CN214753530U - Pole-mounted circuit breaker with built-in isolating switch for electric power facilities - Google Patents
Pole-mounted circuit breaker with built-in isolating switch for electric power facilities Download PDFInfo
- Publication number
- CN214753530U CN214753530U CN202121446353.6U CN202121446353U CN214753530U CN 214753530 U CN214753530 U CN 214753530U CN 202121446353 U CN202121446353 U CN 202121446353U CN 214753530 U CN214753530 U CN 214753530U
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- CN
- China
- Prior art keywords
- circuit breaker
- pole
- vacuum chamber
- built
- isolating switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 210000000078 claw Anatomy 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
Images
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Abstract
The utility model discloses a circuit breaker on post is used in electric power facility of built-in isolator in area, including real empty room, overload circuit breaker, still include: fixing a column; one end of the fixed column is fixedly connected with the vacuum chamber, the other end of the fixed column is fixedly connected with the overload circuit breaker, an electromagnet and a short circuit breaker are installed inside the vacuum chamber, and a fuse is installed inside the overload circuit breaker. The utility model discloses in: fix through setting up, realized producing the open circuit between real empty room and the overload circuit breaker, vacate the space for the installation isolator, through the real empty room that sets up, have the effect of arc extinguishing, these effects make the pole-mounted circuit breaker have from taking off isolator's benefit.
Description
Technical Field
The utility model relates to a circuit breaker field on the post especially relates to a circuit breaker on post for electric power facility of built-in isolator in area.
Background
The pole-mounted circuit breaker refers to a circuit breaker installed and operated on a pole, the strength research level and the manufacturing technology of various circuit breakers are greatly developed, and the vacuum circuit breaker is not limited to a medium-voltage power grid but develops towards high voltage and large capacity. The isolating switch provides an electric interval when the electrical equipment is overhauled, and is a clearly visible disconnection point for ensuring the personal safety of maintenance personnel.
General circuit breaker all will collocate isolator, but the independent purchase of two equipment not only the price is high and the installation is more serious consuming time with the installation, if can combine circuit breaker and isolator for the installation is put and is accomplished in inside batch of mill, not only reduces the price of equipment, more can save the time of installation maintenance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems, the pole-mounted circuit breaker with the built-in isolating switch for the electric power equipment is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a circuit breaker on post is used in electric power facility of built-in isolator in area, includes vacuum chamber, overload circuit breaker, still includes: fixing a column; one end of the fixed column is fixedly connected with the vacuum chamber, the other end of the fixed column is fixedly connected with the overload circuit breaker, an electromagnet and a short circuit breaker are installed inside the vacuum chamber, and a fuse is installed inside the circuit breaker.
As a further description of the above technical solution:
the vacuum chamber bottom corresponds to the top of the overload circuit breaker, a certain distance is directly reserved between the vacuum chamber bottom and the overload circuit breaker, the vacuum chamber bottom is provided with a conductive column two, and the top of the overload circuit breaker is provided with a conductive column one.
As a further description of the above technical solution:
the first conducting post is rotatably provided with an isolating switch through a rotating shaft, one side of the isolating switch is provided with a hook, and the other side of the isolating switch is provided with a male contact claw.
As a further description of the above technical solution:
the short circuit breaker is composed of a steel plate, a spring and a humanoid claw, the humanoid claw is rotatably connected with the steel plate, the spring is transversely sleeved on the humanoid claw, and the humanoid claw is slidably mounted on a slide way.
As a further description of the above technical solution:
the human-shaped claw of the short circuit breaker is movably contacted with two metal contacts.
As a further description of the above technical solution:
the fixed column and the isolating switch are opposite to the cylindrical vacuum chamber.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
fix through setting up, realized producing the open circuit between real empty room and the overload circuit breaker, vacate the space for the installation isolator, through the real empty room that sets up, have the effect of arc extinguishing, these effects make the pole-mounted circuit breaker have from taking off isolator's benefit.
Drawings
Fig. 1 shows a schematic structural diagram of an on-pole circuit breaker for an electric power facility with a built-in isolating switch according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating an internal structure of an on-pole circuit breaker with a built-in isolating switch for electric power facilities according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram illustrating a short circuit breaker of an on-pole circuit breaker for electric power facilities with a built-in isolating switch according to an embodiment of the present invention;
fig. 4 shows a schematic diagram of an electromagnet, a short-circuit breaker and a metal contact connection of an on-pole circuit breaker for electric power facilities with a built-in isolating switch according to an embodiment of the present invention;
illustration of the drawings:
1. a vacuum chamber; 2. an overload circuit breaker; 3. fixing a column; 4. an isolating switch; 5. a first conductive post; 6. a second conductive column; 7. an electromagnet; 8. a short circuit breaker; 9. a metal contact; 101. a slideway; 201. a fuse; 401. hooking; 402. a male contact claw; 501. a rotating shaft; 801. a steel plate; 802. a spring; 803. a human-shaped claw.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a circuit breaker on post is used in electric power facility of built-in isolator, includes vacuum chamber 1, overload circuit breaker 2, still includes: a fixed column 3; one end of a fixed column 3 is fixedly connected with a vacuum chamber 1, the other end of the fixed column 3 is fixedly connected with an overload circuit breaker 2, an electromagnet 7 and a short circuit breaker 8 are arranged in the vacuum chamber 1, a fuse 201 is arranged in the overload circuit breaker 2, the vacuum chamber 1 is used for preventing electric arcs from being generated, and the fuse 201 can be fused when being overloaded.
Specifically, as shown in fig. 1, the bottom of the vacuum chamber 1 corresponds to the top of the overload circuit breaker 2, the bottom of the vacuum chamber 1 is at a certain distance from the overload circuit breaker 2, the distance prevents high voltage from ionizing air to generate electric arc, the bottom of the vacuum chamber 1 is provided with a conductive column two 6, and the top of the overload circuit breaker 2 is provided with a conductive column one 5.
Specifically, as shown in fig. 1 and fig. 2, the isolating switch 4 is rotatably mounted on the first conductive column 5 through a rotating shaft 501, a hook 401 is arranged on one side of the isolating switch 4, the hook 401 is convenient to operate, a male contact claw 402 is arranged on the other side of the isolating switch 4, and the male contact claw 402 and the second conductive column 6 can be clamped together.
Specifically, as shown in fig. 4, the short circuit breaker 8 is composed of a steel plate 801, a spring 802 and a human-shaped claw 803, the human-shaped claw 803 is rotatably connected with the steel plate 801, the spring 802 is transversely sleeved on the human-shaped claw 803, and the human-shaped claw 803 is slidably mounted on the slideway 101.
Specifically, as shown in fig. 4, the human-shaped claw 803 of the short circuit breaker 8 is movable to contact two metal contacts 9.
Specifically, as shown in fig. 2, the fixed column 3 and the disconnecting switch 4 are located at positions opposite to the cylindrical vacuum chamber 1.
The working principle is as follows: when the circuit load is low or the power is cut off, the hook 401 can be pulled by using a dry bamboo pole to clamp the male contact claw 402 on the second conductive column 6, the isolating switch 4 is closed at the moment, when the isolating switch 4 needs to be disconnected, the hook 401 is pulled outwards by using the dry bamboo pole to enable the male contact claw 402 to be separated from the second conductive column 6, when a short circuit exists in a circuit, the current is increased instantly, the electromagnet 7 attracts the steel plate 801 at the moment, the steel plate 801 separates the man-shaped claw 803 from the metal contact 9, and under the continuous high load, the fuse 201 can be fused due to overheating.
The above, only be the concrete implementation of the preferred embodiment 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, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a pole-mounted circuit breaker for power equipment of built-in isolator in area, includes vacuum chamber (1), overload circuit breaker (2), its characterized in that still includes: a fixed column (3); one end of the fixed column (3) is fixedly connected with the vacuum chamber (1), the other end of the fixed column (3) is fixedly connected with the overload circuit breaker (2), the electromagnet (7) and the short circuit breaker (8) are installed inside the vacuum chamber (1), and the fuse (201) is installed inside the overload circuit breaker (2).
2. The pole-mounted circuit breaker with the built-in isolating switch for electric power facilities is characterized in that the bottom of the vacuum chamber (1) corresponds to the top of the overload circuit breaker (2), the bottom of the vacuum chamber (1) is directly at a certain distance from the overload circuit breaker (2), the bottom of the vacuum chamber (1) is provided with a second conductive pole (6), and the top of the overload circuit breaker (2) is provided with a first conductive pole (5).
3. The pole-mounted circuit breaker with the built-in isolating switch for the electric power facility as claimed in claim 2, wherein the isolating switch (4) is rotatably mounted on the first conducting pole (5) through a rotating shaft (501), a hook (401) is arranged on one side of the isolating switch (4), and a male contact claw (402) is arranged on the other side of the isolating switch (4).
4. The pole-mounted circuit breaker with the built-in isolating switch for the electric power facilities is characterized in that the short circuit breaker (8) consists of a steel plate (801), a spring (802) and a humanoid claw (803), wherein the humanoid claw (803) is rotatably connected with the steel plate (801), the humanoid claw (803) is transversely sleeved with the spring (802), and the humanoid claw (803) is slidably mounted on the slideway (101).
5. Pole-top circuit breaker with built-in disconnector according to claim 1, characterized in that the human-shaped claw (803) of the short-circuit breaker (8) is movable in contact with two metal contacts (9).
6. The pole-mounted circuit breaker with built-in disconnector for electric power facilities according to claim 1, characterized in that the fixed pole (3) and the disconnector (4) are in opposite positions with respect to the cylindrical vacuum chamber (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121446353.6U CN214753530U (en) | 2021-06-28 | 2021-06-28 | Pole-mounted circuit breaker with built-in isolating switch for electric power facilities |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121446353.6U CN214753530U (en) | 2021-06-28 | 2021-06-28 | Pole-mounted circuit breaker with built-in isolating switch for electric power facilities |
Publications (1)
Publication Number | Publication Date |
---|---|
CN214753530U true CN214753530U (en) | 2021-11-16 |
Family
ID=78630892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202121446353.6U Expired - Fee Related CN214753530U (en) | 2021-06-28 | 2021-06-28 | Pole-mounted circuit breaker with built-in isolating switch for electric power facilities |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN214753530U (en) |
-
2021
- 2021-06-28 CN CN202121446353.6U patent/CN214753530U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |