CN218603179U - Three-phase combined overvoltage protector device - Google Patents
Three-phase combined overvoltage protector device Download PDFInfo
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- CN218603179U CN218603179U CN202222812292.1U CN202222812292U CN218603179U CN 218603179 U CN218603179 U CN 218603179U CN 202222812292 U CN202222812292 U CN 202222812292U CN 218603179 U CN218603179 U CN 218603179U
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Abstract
The utility model belongs to the technical field of voltage protection, especially, a three-phase combination formula overvoltage protector device, to among the existing equipment after three spliced pole installation power cord, because of the nearer electric arc that can produce of distance, lead to the problem of circuit short circuit, the scheme as follows now is proposed, it includes a three-phase combination formula overvoltage protector device, including the arc, three equipment post is installed to the top equidistance of arc, and resistance is all installed to the inside of three equipment post, and the outside top of three equipment post all is connected with the spliced pole, and a plurality of insulating rings have been cup jointed to the outside impartial distance of three equipment post, and the ground connection spliced pole is installed to the bottom of arc. The utility model discloses a three equipment post of top equidistance installation at convex arc for the power cord distance of connecting is not at same water flat line, avoids producing electric arc, produces the condition of short circuit under the large voltage.
Description
Technical Field
The utility model relates to a voltage protection technical field especially relates to a three-phase combination formula overvoltage protector device.
Background
The three-phase combined overvoltage protector is a new type overvoltage protector, mainly used in the power network of power generation, power supply and power utilization enterprises, and is used for protecting electric equipment such as transformers, switches, buses and motors, etc., and can limit atmospheric overvoltage and operation overvoltage caused by various switches, and can play a reliable role in limiting interphase and relatively ground overvoltage.
After power lines are installed on three connecting columns in the existing equipment, electric arcs can be generated due to the fact that the three connecting columns are close to each other, and the problem of short circuit of the lines is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defect of low safety, and providing a three-phase combined overvoltage protector device.
In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a three-phase combination formula overvoltage protector device, includes the arc, three equipment post, three are installed to the top equidistance of arc resistance, three are all installed to the inside of equipment post resistance, three the outside top of equipment post all is connected with the spliced pole, and is three a plurality of insulating rings have been cup jointed to the outside equidistance of equipment post, the ground connection spliced pole is installed to the bottom of arc.
Preferably, the mounting plates are welded at two ends of the arc-shaped plate.
Preferably, the two mounting plates are internally provided with connecting screw holes, and the bottom ends of the two mounting plates are provided with anti-skid grains.
Preferably, the three resistors are all current-limiting thermistors, and the same ends of the three resistors are correspondingly connected with the connecting column through leads.
Preferably, the other ends of the three resistors are connected to the grounding connection column through wires.
Preferably, the outer parts of the three connecting columns are provided with connecting holes, and the outer part of the grounding connecting column is provided with connecting holes.
Preferably, the cross section of the arc-shaped plate is arc-shaped, and two of the three equipment columns at two ends are obliquely arranged.
Preferably, the arc-shaped plate, the three equipment columns, the plurality of insulating rings and the two mounting plates are all made of ceramics.
The utility model discloses in, a three-phase combination formula overvoltage protection device:
1. the utility model has the advantages that the three equipment columns are equidistantly arranged on the top of the arc-shaped arc plate, so that the distances between the connected power lines are not on the same horizontal line, and the electric arc and short circuit are avoided under large voltage;
2. the utility model discloses an install two ann's commentaries on classics boards of seting up the connection screw at the both ends of arc, conveniently install the device at operating position, it is convenient to install stably, install and remove.
Drawings
Fig. 1 is a schematic structural diagram of a three-phase combined overvoltage protector device according to the present invention;
fig. 2 is a schematic structural view of a three-phase combined overvoltage protection device according to the present invention in a front sectional view;
fig. 3 is a schematic structural diagram of a circuit principle of a three-phase combined overvoltage protector device according to the present invention.
In the figure: 1. an arc-shaped plate; 2. an equipment column; 3. a resistance; 4. connecting columns; 5. an insulating ring; 6. a ground connection post; 7. and (7) mounting the plate.
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. 1-3, a three-phase combination formula overvoltage protector device, including arc 1, three equipment post 2 is installed to the top equidistance of arc 1, conveniently install three electric wire respectively on three equipment post 2, avoid the condition of short circuit appearing, resistance 3 is all installed to the inside of three equipment post 2, the outside top of three equipment post 2 all is connected with spliced pole 4, conveniently install the wire, a plurality of insulating rings 5 have been cup jointed to the outside impartial distance of three equipment post 2, the problem of short circuit is avoided appearing, play protection user's safety in utilization, ground connection post 6 is installed to the bottom of arc 1, the installation is stable, be convenient for realize that the device connects the earth connection, pour voltage into ground, play protection circuit's effect.
In this embodiment, the mounting plates 7 are welded at both ends of the arc-shaped plate 1.
By adopting the scheme, the mounting plates 7 are welded at the two ends of the arc plate 1, so that the arc plate 1 and the mounting plates 7 are connected stably and are simple in structure, the later-stage stable installation is convenient to realize, and the disassembly is convenient.
In this embodiment, the connection screw has all been seted up to the inside of two mounting panels 7, and anti-skidding line has all been seted up to the bottom of two mounting panels 7.
By adopting the scheme, the connecting screw holes are formed in the two mounting plates 7, so that the connecting screw holes are penetrated through the two bolts to be quickly mounted, the anti-skidding lines are formed in the bottom ends of the two mounting plates 7, the friction force between the mounting plates and the mounting plane is increased, the situation of dislocation and slipping is avoided, the mounting stability of the device is improved, and the stable operation of the device is ensured.
In this embodiment, the three resistors 3 are current-limiting thermistors, and the same ends of the three resistors 3 are correspondingly connected to the connecting column 4 through leads.
By adopting the scheme, the three resistors 3 are all current-limiting thermistors, so that when the voltage is overloaded, large heat is generated to obviously increase the resistance values of the three resistors 3, and the purpose of protecting the device is achieved.
In this embodiment, the other ends of the three resistors 3 are connected to the ground connection column 6 through wires.
By adopting the scheme, the other ends of the three resistors 3 are connected to the grounding connection column 6 through the conducting wires, so that the three resistors 3 guide the voltage to the grounding connection column 6 and finally pour the voltage to the ground through the grounding wire.
In this embodiment, the connecting holes are formed in the outer portions of the three connecting columns 4, and the connecting holes are formed in the outer portions of the grounding connecting columns 6.
By adopting the scheme, the connecting holes are formed in the outer parts of the three connecting columns 4 and the grounding connecting column 6, so that the connecting wires are fast, the condition that the wires fall off cannot occur, and the stable operation of the device is ensured.
In this embodiment, the cross section of the arc plate 1 is arc-shaped, and the two equipment columns 2 at the two ends of the three equipment columns 2 are both obliquely arranged.
Adopt above-mentioned scheme, at the top equidistance installation three equipment post 2 of arc 1 for the power cord distance of connecting is not at same water flat line, avoids producing electric arc under the high voltage, produces the condition of short circuit.
In this embodiment, the arc plate 1, the three equipment columns 2, the plurality of insulating rings 5 and the two mounting plates 7 are all made of ceramics.
Adopt above-mentioned scheme, all adopt ceramic manufacture with arc 1, three equipment post 2, a plurality of insulating circle 5, two mounting panels 7 for the device insulates and plays protection user's purpose.
The utility model discloses in, when using, pass mounting panel 7 through the spliced pole and install the device at operating position, connect three live wires respectively on three spliced pole 4, pass through the earth connection that 3 direction of resistance and earth connection spliced pole 6 are connected with the power for the leading-in ground of unnecessary voltage plays the purpose of protection device and circuit.
Claims (8)
1. The utility model provides a three-phase combination formula overvoltage protector device, includes arc (1), its characterized in that, three equipment post (2), three are installed to the top equidistance of arc (1) resistance (3), three are all installed to the inside of equipment post (2) the outside top of equipment post (2) all is connected with spliced pole (4), and is three a plurality of insulating rings (5) have been cup jointed to the equal equidistance in outside of equipment post (2), ground connection spliced pole (6) are installed to the bottom of arc (1).
2. The overvoltage protection device of claim 1, characterized in that mounting plates (7) are welded to both ends of said arc (1).
3. The three-phase combined overvoltage protector device according to claim 2, wherein the two mounting plates (7) are both provided with connecting screw holes inside, and the bottom ends of the two mounting plates (7) are both provided with anti-skid threads.
4. The overvoltage protector device of claim 1, wherein said three resistors (3) are current limiting thermistors, and the same end of said three resistors (3) is connected to said connecting post (4) by a wire.
5. A three-phase combined overvoltage protector device according to claim 1, characterized in that the other ends of three of said resistors (3) are connected to said ground connection column (6) by means of wires.
6. The overvoltage protection device of claim 1, wherein three of said connecting posts (4) are provided with holes on the outside and the grounding connecting post (6) is provided with holes on the outside.
7. The three-phase combined overvoltage protector device according to claim 1, wherein the cross section of the arc plate (1) is arc-shaped, and two of the three equipment columns (2) at two ends are all obliquely arranged.
8. The three-phase combined overvoltage protector device according to claim 1, wherein the arc-shaped plate (1), the three equipment posts (2), the plurality of insulating rings (5) and the two mounting plates (7) are made of ceramics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222812292.1U CN218603179U (en) | 2022-10-25 | 2022-10-25 | Three-phase combined overvoltage protector device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222812292.1U CN218603179U (en) | 2022-10-25 | 2022-10-25 | Three-phase combined overvoltage protector device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218603179U true CN218603179U (en) | 2023-03-10 |
Family
ID=85404719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222812292.1U Active CN218603179U (en) | 2022-10-25 | 2022-10-25 | Three-phase combined overvoltage protector device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218603179U (en) |
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2022
- 2022-10-25 CN CN202222812292.1U patent/CN218603179U/en active Active
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