CN218123294U - Low-voltage power transmission vacuum switch tube - Google Patents
Low-voltage power transmission vacuum switch tube Download PDFInfo
- Publication number
- CN218123294U CN218123294U CN202222163145.6U CN202222163145U CN218123294U CN 218123294 U CN218123294 U CN 218123294U CN 202222163145 U CN202222163145 U CN 202222163145U CN 218123294 U CN218123294 U CN 218123294U
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- conducting rod
- end cover
- insulating sleeve
- low
- switch tube
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model discloses a low pressure transmission of electricity vacuum switch tube, including insulating sleeve and first end cover, the second end cover of setting at the insulating sleeve both ends, insulating sleeve's inboard is provided with the protection casing through first coupling mechanism, the middle part of first end cover, second end cover is provided with movable conducting rod, fixed conducting rod respectively, the end department of activity conducting rod, fixed conducting rod runs through the protection casing respectively, and all is provided with the mounting panel, two in the inboard of protection casing the inboard surface of mounting panel all is provided with the contact, the middle part outside of activity conducting rod is provided with the bellows, the utility model discloses the beneficial effect who reaches is: the mounting plates at the ends of the movable conducting rod and the fixed conducting rod are sleeved outside the conducting rod by the through holes, namely when the movable conducting rod and the fixed conducting rod are used, the mounting plates at the ends of the movable conducting rod and the fixed conducting rod are coaxial all the time, and the stable contact of the two contacts is ensured.
Description
Technical Field
The utility model relates to an electric vacuum tube especially relates to a low-voltage transmission vacuum switch pipe, belongs to the relevant technical field of vacuum tube.
Background
A vacuum switch tube, also known as a vacuum arc extinguish chamber, is a core component of a medium-high voltage power switch, has the main functions of rapidly extinguishing an arc and inhibiting current after a medium-high voltage circuit is cut off a power supply through excellent insulating property of vacuum in the tube, avoids accidents and accidents, is mainly applied to a power transmission and distribution control system of electric power, and is also applied to power distribution systems of metallurgy, mines, petroleum, chemical industry, railways, broadcasting, communication, industrial high-frequency heating and the like. The device has the characteristics of energy conservation, material conservation, fire prevention, explosion prevention, small volume, long service life, low maintenance cost, reliable operation, no pollution and the like.
The existing vacuum switch tube has the following defects: because the contact of end department can not lead to the contact of static conducting rod end department to stabilize with the contact of end department when moving conducting rod moves for holistic work is unstable, has the great problem of calorific capacity, the slow problem of heat dissipation when the divide-shut brake simultaneously, and then has increaseed the degree of difficulty of arc extinguishing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a low-voltage power transmission vacuum switch tube.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the design provides a low pressure transmission of electricity vacuum switch tube, including insulating sleeve and first end cover, the second end cover of setting at the insulating sleeve both ends, insulating sleeve's inboard is provided with the protection casing through first coupling mechanism, the middle part of first end cover, second end cover is provided with movable conducting rod, fixed conducting rod respectively, the protection casing is run through respectively to the end department of activity conducting rod, fixed conducting rod, and all is provided with the mounting panel, two in the inboard of protection casing the inboard surface of mounting panel all is provided with the contact, the middle part outside of activity conducting rod is provided with the bellows, first end cover with the outside surface of second end cover all is provided with the fin through seting up the mounting groove, first end cover with connect through second coupling mechanism between the second end cover, second coupling mechanism's both ends and two the fin is connected.
Preferably, the first connecting mechanism comprises an installation sleeve and limiting bolts, a plurality of sliding rails are uniformly distributed on the inner wall of the installation sleeve, the sliding rails are in sliding connection with sliding grooves formed in the outer side of the protective cover, the limiting bolts are divided into two groups, and the two groups of limiting bolts are respectively arranged on the middle upper portion and the middle lower portion of the insulating sleeve.
Preferably, the end of the limit bolt penetrates through the insulating sleeve, and the end of the limit bolt abuts against the end face of the protective cover.
Preferably, the second connecting mechanism is composed of a plurality of heat conducting rods, the heat conducting rods are distributed by taking the axis of the insulating sleeve as the center, and the ends of the heat conducting rods sequentially penetrate through the mounting plate, the protective cover, the first end cover and the second end cover and are connected with the radiating fins.
Preferably, the whole heat conducting rod is made of an insulating material.
Preferably, the end of the heat conducting rod penetrates through the radiating fin, and the center of the heat conducting rod is provided with radiating holes with openings at two ends.
The utility model provides a pair of low pressure transmission of electricity vacuum switch tube, beneficial effect lies in: the heat conducting rod is arranged on the inner side of the insulating sleeve, the two ends of the heat conducting rod penetrate through the protective cover on the inner side of the insulating sleeve, and the movable conducting rod and the mounting plate at the end of the fixed conducting rod are sleeved on the outer side of the heat conducting rod through the through holes, so that the mounting plate at the end of the movable conducting rod is always coaxial with the mounting plate at the end of the fixed conducting rod when the contact device is used, and the contact stability of the two contacts is ensured; further, the heat dissipation holes are formed in the center of the heat conduction rod, the two ends of the heat conduction rod are connected with the two heat dissipation fins, so that the inside of the protective cover can be quickly cooled when the protective cover is used, and the overall sealing performance of the device cannot be influenced.
Drawings
Fig. 1 is a schematic structural diagram of the whole low-voltage power transmission vacuum switch tube provided by the present invention;
fig. 2 is a schematic structural view of an installation sleeve of a low-voltage power transmission vacuum switch tube provided by the present invention;
fig. 3 is a schematic structural diagram of a protective cover of a low-voltage power transmission vacuum switch tube provided by the present invention;
fig. 4 is a schematic structural view of the heat conducting pipe of the low-voltage power transmission vacuum switch tube provided by the present invention.
In the figure: the heat dissipation structure comprises an insulating sleeve 1, a first end cover 2, a second end cover 3, a protective cover 4, a movable conducting rod 5, a fixed conducting rod 6, a mounting plate 7, a contact 8, a corrugated pipe 9, a cooling fin 10, a mounting sleeve 11, a limiting bolt 12, a sliding rail 13, a sliding groove 14, a conducting rod 15 and a heat dissipation hole 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a low-voltage power transmission vacuum switch tube, including insulating sleeve 1 and first end cover 2, the second end cover 3 of setting at insulating sleeve 1 both ends, insulating sleeve 1's inboard is provided with protection casing 4 through first coupling mechanism, the middle part of first end cover 2, second end cover 3 is provided with movable conducting rod 5, fixed conducting rod 6 respectively, the end department of movable conducting rod 5, fixed conducting rod 6 runs through protection casing 4 respectively, and all is provided with mounting panel 7, two in the inboard of protection casing 4 the inboard surface of mounting panel 7 all is provided with contact 8, the middle part outside of movable conducting rod 5 is provided with bellows 9, first end cover 2 with the outside surface of second end cover 3 all is provided with fin 10 through seting up the mounting groove, first end cover 2 with connect through second coupling mechanism between the second end cover 3, the both ends of second coupling mechanism with two fin 10 are connected.
The first connecting mechanism comprises a mounting sleeve 11 and limiting bolts 12, a plurality of sliding rails 13 are uniformly distributed on the inner wall of the mounting sleeve 11, the sliding rails 13 are slidably connected with sliding grooves 14 formed in the outer side of the protective cover 4, the limiting bolts 12 are divided into two groups, and the two groups of limiting bolts 12 are respectively arranged on the middle upper portion and the middle lower portion of the insulating sleeve 1.
The end of the limit bolt 12 penetrates through the insulating sleeve 1, and the end of the limit bolt 12 abuts against the end face of the protective cover 4.
The second connecting mechanism is composed of a plurality of heat conducting rods 15, the heat conducting rods 15 are distributed by taking the axis of the insulating sleeve 1 as the center, and the end of each heat conducting rod 15 sequentially penetrates through the mounting plate 7, the protective cover 4, the first end cover 2 and the second end cover 3 and is connected with the radiating fin 10.
The heat conducting rod 15 is made of an insulating material as a whole.
The end of the heat conducting rod 15 penetrates the heat sink 10, and the heat dissipating hole 16 with two open ends is opened at the center of the heat conducting rod 15.
The working principle is as follows: after finishing the whole installation of the device, in the use, because move conducting rod 5, the outside at conducting rod 15 is all established to the mounting panel 7 of 6 end departments of fixed conducting rod, and then effectually ensured when moving conducting rod 5 and moving, it is coaxial with fixed conducting rod 7 all the time, and then two contacts 9 can contact effectively, simultaneously because conducting rod 15 wholly runs through protection casing 4, and conducting rod 15's both ends run through fin 10, and conducting rod 15's middle part has seted up louvre 16, thereby in the use, outside air can get into after cooling down protection casing 4's inside through the louvre 16 of conducting rod 15 one end, discharge from the louvre 16 of the other end, cool down protection casing 4's inside fast, and can not influence holistic leakproofness.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a low pressure transmission of electricity vacuum switch tube, includes insulating sleeve (1) and sets up first end cover (2), second end cover (3) at insulating sleeve (1) both ends, a serial communication port, the inboard of insulating sleeve (1) is provided with protection casing (4) through first coupling mechanism, the middle part of first end cover (2), second end cover (3) is provided with movable conducting rod (5), fixed conducting rod (6) respectively, the end department of activity conducting rod (5), fixed conducting rod (6) runs through protection casing (4) respectively, and all is provided with mounting panel (7) in the inboard of protection casing (4), two the inboard surface of mounting panel (7) all is provided with contact (8), the middle part outside of activity conducting rod (5) is provided with bellows (9), first end cover (2) with the outside surface of second end cover (3) all is provided with fin (10) through seting up the mounting groove, first end cover (2) with connect through second coupling mechanism between second end cover (3), the both ends and two fin (10) are connected.
2. The vacuum switching tube for low-voltage power transmission according to claim 1, wherein the first connecting mechanism comprises a mounting sleeve (11) and a limiting bolt (12), a plurality of sliding rails (13) are uniformly distributed on the inner wall of the mounting sleeve (11), the sliding rails (13) are slidably connected with a sliding groove (14) formed in the outer side of the protective cover (4), the limiting bolt (12) is divided into two groups, and the two groups of limiting bolts (12) are respectively arranged on the middle upper part and the middle lower part of the insulating sleeve (1).
3. A low voltage transmission vacuum interrupter as claimed in claim 2, characterized in that the end of the limit bolt (12) penetrates the insulating sleeve (1) and the end of the limit bolt (12) abuts the end face of the protective cover (4).
4. A low-voltage transmission vacuum interrupter as claimed in claim 1, wherein said second connecting means comprises a plurality of heat conducting rods (15), said plurality of heat conducting rods (15) are distributed around the axis of said insulating sleeve (1), and the ends of said heat conducting rods (15) are sequentially inserted through said mounting plate (7), said protective cover (4), said first end cap (2), and said second end cap (3) and connected to said heat sink (10).
5. A low-voltage transmission vacuum switch tube according to claim 4, characterized in that the heat conducting rod (15) is made of insulating material.
6. The vacuum switch tube for low voltage power transmission according to claim 4, wherein the heat conducting rod (15) has an end penetrating the heat sink (10), and a heat sink hole (16) with two open ends is formed at the center of the heat conducting rod (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222163145.6U CN218123294U (en) | 2022-08-17 | 2022-08-17 | Low-voltage power transmission vacuum switch tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222163145.6U CN218123294U (en) | 2022-08-17 | 2022-08-17 | Low-voltage power transmission vacuum switch tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218123294U true CN218123294U (en) | 2022-12-23 |
Family
ID=84525070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222163145.6U Active CN218123294U (en) | 2022-08-17 | 2022-08-17 | Low-voltage power transmission vacuum switch tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218123294U (en) |
-
2022
- 2022-08-17 CN CN202222163145.6U patent/CN218123294U/en active Active
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