CN212648174U - Intelligent line protection device for high-voltage switch cabinet - Google Patents
Intelligent line protection device for high-voltage switch cabinet Download PDFInfo
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- CN212648174U CN212648174U CN202021677013.XU CN202021677013U CN212648174U CN 212648174 U CN212648174 U CN 212648174U CN 202021677013 U CN202021677013 U CN 202021677013U CN 212648174 U CN212648174 U CN 212648174U
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Abstract
The utility model discloses a circuit intelligence protection device for high tension switchgear, including rectangle shell, fixed foot, entrance hole, first fixed screw, first insulation screw, wire hole, second fastening screw, second insulation screw, guard plate, fixed chamber, electrode cardboard, fuse and connecting rod. The utility model has the advantages that: the rectangle shell passes fixed foot through the bolt, revolve wrong locking with external fixed screw, can firmly fix the inside at high tension switchgear with the rectangle shell, entrance hole and wire hole are respectively through the wire locking of first insulating screw and second insulating screw with high tension switchgear in first fixed screw, in the second fastening screw, can be quick the fixing in entrance hole and wire hole respectively of the link of wire, prevent the electric leakage, the guard plate is glued has one deck sealing rubber pad, and be detachable and revolve wrong locking with the rectangle shell through the screw, it is sealed to fix the chamber, and then protect the fuse.
Description
Technical Field
The utility model relates to a circuit intelligent protection device specifically is a circuit intelligent protection device for high tension switchgear, belongs to circuit intelligent protection technical field.
Background
The high-voltage switch cabinet is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system and plays roles of on-off, control or protection and the like, the high-voltage switch cabinet is an electric appliance product with the working voltage grade of 3.6-550 kV, a high-voltage isolating switch, a grounding switch, a high-voltage load switch, a high-voltage automatic coincidence and sectionalizer, a high-voltage operating mechanism, a high-voltage explosion-proof power distribution device, a high-voltage switch cabinet and the like, the switch cabinet has the functions of overhead incoming and outgoing lines, cable incoming and outgoing lines, bus connection and the like, and the high-voltage switch cabinet is mainly suitable for various different places such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light-.
The circuit in the high-voltage switch cabinet needs to be protected to prevent short circuit caused by overload operation of the circuit due to overlarge current, so that a circuit intelligent protection device for the high-voltage switch cabinet is needed to meet the current market demand, although various circuit intelligent protection devices are produced on the current market, in general, a lot of common defects still exist, and firstly, a protection plate is not arranged on the existing circuit intelligent protection device, so that a fuse cannot be protected; secondly, the fuse of the existing intelligent circuit protection device cannot be quickly disassembled, so that the fuse cannot be quickly replaced after being fused; thirdly, the existing intelligent line protection device is not provided with a fixed pin, so that the device cannot be fixed inside a high-voltage switch cabinet.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is just to provide a circuit intelligence protection device for high tension switchgear in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose: an intelligent line protection device for a high-voltage switch cabinet comprises a rectangular shell, fixing pins, a line inlet hole, a first fixing screw hole, a first insulating screw, a line outlet hole, a second fastening screw hole, a second insulating screw, a protection plate, a fixing cavity, an electrode clamping plate, a fuse and a connecting rod; the rectangular shell forms a main body structure of the intelligent line protection device, the fixing pins are welded and fixed at four corners of the bottom of the rectangular shell, the wire inlet hole is arranged at the center of the left side of the rectangular shell in an inwards concave manner, the first fixing screw hole is arranged at the left end of the upper surface of the rectangular shell and is communicated and connected with the wire inlet hole, the first insulating screw is screwed and locked in the first fixing screw hole, the wire outlet hole is arranged at the center of the right side of the rectangular shell in an inwards concave manner, the second fastening screw hole is arranged at the right end of the upper surface of the rectangular shell and is communicated and connected with the wire outlet hole, the second insulating screw is screwed and locked in the second fastening screw hole, the protection plate is connected and fixed at the center of the upper surface of the rectangular shell, the fixing cavity is arranged at the center of the top of the rectangular shell in an inwards concave manner, and the electrode, the fuse is connected to the electrode clamping plate in a clamping mode through a connecting rod, and the connecting rod is arranged at the left end and the right end of the fuse.
Preferably, in order to firmly fix the rectangular shell inside the high-voltage switch cabinet, the rectangular shell is screwed and locked with the external fixing screw hole by a bolt passing through the fixing foot.
Preferably, in order to be able to fix the connecting end of the wire in the wire inlet hole and the wire outlet hole respectively and quickly and prevent electric leakage, the wire inlet hole and the wire outlet hole are respectively locked in the first fixing screw hole and the second fastening screw hole through the first insulating screw and the second insulating screw.
Preferably, in order to seal the fixing cavity and further protect the fuse, the protection plate is glued with a layer of sealing rubber gasket and detachably screwed and locked with the rectangular shell through screws.
Preferably, in order to carry out quick change to it after the fuse fuses, the electrode cardboard is the disconnect-type setting, and the fuse is quick detach formula and electrode cardboard buckle through the connecting rod and fixes.
The utility model has the advantages that: this circuit intelligence protection device reasonable in design, the rectangle shell passes fixed foot through the bolt, twist the locking soon with external fixed screw, can firmly fix the inside at high tension switchgear with the rectangle shell, entrance hole and wire hole are respectively through the wire locking of first insulating screw and second insulating screw with high tension switchgear in first fixed screw, in the second fastening screw, can be quick the fixing in entrance hole and wire hole respectively with the link of wire, prevent the electric leakage, the guard plate is glued has one deck sealing rubber pad, and be detachable and twist soon the locking with the rectangle shell through the screw, it is sealed to fix the chamber, and then protect the fuse, the electrode cardboard is the disconnect-type setting, the fuse is quick detach formula through the connecting rod and fixes with the electrode cardboard buckle, can carry out quick change to it after the fuse fuses.
Drawings
FIG. 1 is a schematic view of the external structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the fixing cavity of the present invention;
fig. 3 is a schematic view of the split structure of the present invention.
In the figure: 1. rectangle shell, 2, fixed foot, 3, entrance hole, 4, first fixed screw, 5, first insulating screw, 6, wire hole, 7, second fastening screw, 8, second insulating screw, 9, guard plate, 10, fixed chamber, 11, electrode cardboard, 12, fuse and 13, connecting rod.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, an intelligent circuit protection device for a high-voltage switch cabinet includes a rectangular housing 1, a fixing pin 2, a wire inlet hole 3, a first fixing screw hole 4, a first insulating screw 5, a wire outlet hole 6, a second fastening screw hole 7, a second insulating screw 8, a protection plate 9, a fixing cavity 10, an electrode clamping plate 11, a fuse 12 and a connecting rod 13; the rectangular shell 1 forms a main body structure of the intelligent line protection device, the fixing pins 2 are welded and fixed at four corners of the bottom of the rectangular shell 1, the wire inlet hole 3 is arranged at the center of the left side of the rectangular shell 1 in an inwards concave manner, the first fixing screw hole 4 is arranged at the left end of the upper surface of the rectangular shell 1 and is communicated with the wire inlet hole 3, the first insulating screw 5 is screwed and locked in the first fixing screw hole 4, the wire outlet hole 6 is arranged at the center of the right side of the rectangular shell 1 in an inwards concave manner, the second fastening screw hole 7 is arranged at the right end of the upper surface of the rectangular shell 1 and is communicated with the wire outlet hole 6, the second insulating screw 8 is screwed and locked in the second fastening screw hole 7, the protection plate 9 is connected and fixed at the center of the upper surface of the rectangular shell 1, the fixing cavity 10 is arranged at the center of the top of the rectangular shell 1, the electrode clamping plates 11 are vertically fixed on the left side and the right side of the bottom of the fixed cavity 10, the fuse 12 is clamped on the electrode clamping plates 11 through connecting rods 13, and the connecting rods 13 are arranged at the left end and the right end of the fuse 12.
The rectangular shell 1 passes through the fixing feet 2 through bolts and is screwed and locked with the external fixing screw holes, so that the rectangular shell 1 can be firmly fixed in the high-voltage switch cabinet, the wire inlet hole 3 and the wire outlet hole 6 lock the wires of the high-voltage switch cabinet in the first fixing screw hole 4 and the second fastening screw hole 7 through the first insulating screw 5 and the second insulating screw 8 respectively, the connecting ends of the wires can be quickly fixed in the wire inlet hole 3 and the wire outlet hole 6 respectively to prevent electric leakage, the protection plate 9 is glued with a layer of sealing rubber gasket, and is detachably screwed and locked with the rectangular shell 1 through screws to seal the fixed cavity 10, and then protect fuse 12, electrode cardboard 11 is the disconnect-type setting, and fuse 12 is quick detach formula through connecting rod 13 and is fixed with electrode cardboard 11 buckle, can carry out quick change to it after fuse 12 fuses.
The working principle is as follows: when the intelligent line protection device is used, the rectangular shell 1 penetrates through the fixing pin 2 through a bolt, and is screwed and locked with a fixing screw hole in the high-voltage switch cabinet, the rectangular shell 1 is firmly fixed in the high-voltage switch cabinet, then two ends of an input lead and an output lead in the high-voltage switch cabinet are fixed in the wire inlet hole 3 and the wire outlet hole 6 through the first insulating screw 5 and the second insulating screw 8 respectively, when the intelligent line protection device works, current passes through the fuse 12 to form a closed loop, when the current is too large, the fuse 12 is automatically fused, and intelligent protection is achieved.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a circuit intelligence protection device for high tension switchgear which characterized in that: the wire-fixing device comprises a rectangular shell (1), fixing pins (2), a wire inlet hole (3), a first fixing screw hole (4), a first insulating screw (5), a wire outlet hole (6), a second fastening screw hole (7), a second insulating screw (8), a protection plate (9), a fixing cavity (10), an electrode clamping plate (11), a fuse (12) and a connecting rod (13); the rectangular shell (1) forms a main body structure of the intelligent line protection device, the fixing pins (2) are welded and fixed at four corners of the bottom of the rectangular shell (1), the wire inlet hole (3) is arranged at the left center of the rectangular shell (1) in an inwards concave manner, the first fixing screw hole (4) is arranged at the left end of the upper surface of the rectangular shell (1) and is communicated with the wire inlet hole (3), the first insulating screw (5) is screwed and locked in the first fixing screw hole (4), the wire outlet hole (6) is arranged at the right center of the rectangular shell (1) in an inwards concave manner, the second fastening screw hole (7) is arranged at the right end of the upper surface of the rectangular shell (1) and is communicated with the wire outlet hole (6), the second insulating screw (8) is locked in the second fastening screw hole (7), and the protection plate (9) is connected and fixed at the center of the upper surface of the rectangular shell (1), the fixed cavity (10) is arranged at the center of the top of the rectangular shell (1) in an inwards concave mode, the electrode clamping plates (11) are vertically fixed at the left side and the right side of the bottom of the fixed cavity (10), the fuse (12) is connected to the electrode clamping plates (11) in a clamping mode through the connecting rods (13), and the connecting rods (13) are arranged at the left end and the right end of the fuse (12).
2. The intelligent line protection device for the high-voltage switch cabinet as claimed in claim 1, wherein: the rectangular shell (1) penetrates through the fixing foot (2) through a bolt and is screwed and locked with an external fixing screw hole.
3. The intelligent line protection device for the high-voltage switch cabinet as claimed in claim 1, wherein: and the wire inlet hole (3) and the wire outlet hole (6) lock the wire of the high-voltage switch cabinet in the first fixing screw hole (4) and the second fastening screw hole (7) through the first insulating screw (5) and the second insulating screw (8) respectively.
4. The intelligent line protection device for the high-voltage switch cabinet as claimed in claim 1, wherein: the protective plate (9) is glued with a layer of sealing rubber pad and detachably screwed and locked with the rectangular shell (1) through screws.
5. The intelligent line protection device for the high-voltage switch cabinet as claimed in claim 1, wherein: the electrode clamping plate (11) is arranged in a separated mode, and the fuse (12) is fixed with the electrode clamping plate (11) in a quick-release mode in a buckling mode through a connecting rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021677013.XU CN212648174U (en) | 2020-08-13 | 2020-08-13 | Intelligent line protection device for high-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021677013.XU CN212648174U (en) | 2020-08-13 | 2020-08-13 | Intelligent line protection device for high-voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212648174U true CN212648174U (en) | 2021-03-02 |
Family
ID=74786124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021677013.XU Active CN212648174U (en) | 2020-08-13 | 2020-08-13 | Intelligent line protection device for high-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212648174U (en) |
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2020
- 2020-08-13 CN CN202021677013.XU patent/CN212648174U/en active Active
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