CN214429304U

CN214429304U - Waterproof electricity taking device for high-voltage distribution line

Info

Publication number: CN214429304U
Application number: CN202120563075.6U
Authority: CN
Inventors: 宋胜辉; 孙学刚; 赵正旺
Original assignee: Huadian Beirui Electric Beijing Co ltd
Current assignee: Huadian Beirui Electric Beijing Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-10-19
Anticipated expiration: 2031-03-19

Abstract

The utility model discloses a waterproof electricity installation of getting of high-voltage distribution lines includes overhead line device, unable adjustment base, sensor unable adjustment base, electric field measurement shell fragment, output terminal, No. two output terminals, gets electric CT, the fixed pivot of opening, the fixed shell fragment of opening, gets the electric CT magnetic core and adopts 1J85 material, and magnetic conductivity is high, gets the electric power reinforce, the stable performance to never rust, prolonged the life of sensor, the utility model discloses can adapt to the wide current change of 1 ~ 1000A of circuit, ensure output voltage invariable. The protection level of the device reaches IP66, the device is completely suitable for outdoor severe environment, the output terminal adopts the 2P Phoenix terminal convenient to operate, the output voltage can be adjusted to DC12V and DC24V according to the requirements of customers, the sensor has the characteristics of high accuracy, good linearity, good shielding performance, drop resistance, tensile strength and water resistance, and workers can install the device in an electrified way by using special installation tools.

Description

Waterproof electricity taking device for high-voltage distribution line

Technical Field

The utility model relates to a high-voltage distribution lines gets electric technical field, specifically is a waterproof electric installation of getting of high-voltage distribution lines.

Background

In the construction of a distribution network automation system, the problem of electricity taking of an automation device is always a bottleneck of upgrading and transforming a distribution network line, some devices utilize an electromagnetic voltage transformer to obtain electricity, some devices utilize a current transformer to obtain electricity, and other devices utilize a solar power generation device to obtain electricity, so that in implementation and application, either the investment is large, wiring is complex and unreliable, and the influence of external factors such as operating environment, climate change, line load and the like is possible, thereby limiting the development of distribution network automation.

Auxiliary equipment for monitoring and detecting the line state is often required to be installed on the high-voltage transmission line, and equipment such as a bird repeller is also required to be installed in the area where the bird crowd is present. These devices consume little power and require a stable low voltage DC power supply, such as DC12V, DC24, etc. Primary high-voltage line power cannot be directly supplied to these devices for use, and therefore installation of such devices first requires a solution to the low-voltage dc supply problem.

The special power taking device for the power transmission line obtains the energy of the high-voltage power transmission line by utilizing the electromagnetic induction principle, and can output stable direct-current voltage required by equipment through processing of an internal circuit of the device. The device adopts contactless installation, does not contact with a high pressure, avoids influencing the safe operation of a circuit because of getting electrical equipment damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof electric installation of getting of high voltage distribution lines to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a waterproof electricity taking device for a high-voltage distribution line comprises an overhead line device, a fixed base, a sensor fixed base, an electric field measuring elastic sheet, a first output terminal, a second output terminal, an electricity taking CT, an opening fixed rotating shaft and an opening fixed elastic sheet, wherein the fixed base is arranged at the bottom of the overhead line device, the sensor fixed base is arranged in the middle of the top of the overhead line device, the electric field measuring elastic sheet is arranged on the sensor fixed base, the electricity taking CT is arranged in the middle of the sensor fixed base, the first output terminal is arranged at one end of the top of the sensor fixed base, the second output terminal is arranged at the other end of the top of the sensor fixed base, the opening fixed rotating shaft is arranged at one end, close to the second output terminal, of the top of the sensor fixed base, one end of the opening fixed elastic sheet is wound on the opening fixed rotating shaft, the other end of the opening fixing elastic sheet is arranged at the top of the electricity taking CT.

Preferably, get electric CT and include that it gets electric CT No. one, get electric CT No. two, the both ends of getting electric CT No. one are connected with output terminal and No. two output terminal respectively, it sets up on sensor unable adjustment base to get electric CT No. two.

Preferably, a sampling CT is arranged in the electricity taking CT, and the maximum wire diameter capable of being accommodated in the electricity taking CT is 32 mm.

Preferably, the electric field measuring elastic sheet consists of a first elastic sheet and a second elastic sheet, and the first elastic sheet and the second elastic sheet are respectively arranged on the front surface and the back surface of the sensor fixing base.

Preferably, the sampling CT is a rogowski coil.

Preferably, the bottom of the fixed base is provided with a fault indicator lamp.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a get electric CT magnetic core adopts 1J85 material, and magnetic permeability is high, gets the electric power reinforce, the stable performance to never rust, prolonged the life of sensor.

(2) The utility model discloses can adapt to the wide current variation of 1 ~ 1000A of circuit, ensure output voltage invariable. The protection level of the device reaches IP66, the device is completely suitable for outdoor severe environment, the output terminal adopts a 2P Phoenix terminal convenient to operate, and the output voltage can be adjusted to DC12V and DC24V according to the requirements of customers.

(3) The utility model discloses an the degree of accuracy is high, and the linearity is good, and shielding performance is good, has anti falling, the tensile, waterproof characteristics, and the staff uses special mounting tool can install with electricity.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the present invention.

In the figure: the device comprises an overhead line device (1), a fixing base (2), a sensor fixing base (3), an electric field measuring elastic sheet (4), a first output terminal (5), a second output terminal (6), a power-taking CT (7), an opening fixing rotating shaft (8), an opening fixing elastic sheet (9), a first power-taking CT (10), a second power-taking CT (11), a first elastic sheet (12) and a second elastic sheet (13).

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships 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 to which the reference is made 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 2, the present invention provides a technical solution: a waterproof electricity taking device for a high-voltage distribution line is characterized in that a fixed base 2 is arranged at the bottom of an overhead line device 1, a fault indicator lamp is arranged at the bottom of the fixed base 2, a sensor fixed base 3 is arranged in the middle of the top of the overhead line device 1, an electric field measuring elastic sheet 4 is arranged on the sensor fixed base 3, the electric field measuring elastic sheet 4 is composed of a first elastic sheet 12 and a second elastic sheet 13, the first elastic sheet 12 and the second elastic sheet 13 are respectively arranged on the front side and the back side of the sensor fixed base 3, an electricity taking CT7 is arranged in the middle of the sensor fixed base 3, a first output terminal 5 is arranged at one end of the top of the sensor fixed base 3, a second output terminal 6 is arranged at the other end of the top of the sensor fixed base 3, an opening fixed rotating shaft 8 is arranged at one end, close to the second output terminal 6, one end of an opening fixed elastic sheet 9 is wound on the opening fixed rotating shaft 8, the other end of the opening fixing elastic sheet 9 is arranged at the top of the electricity taking CT7, the electricity taking CT7 comprises a first electricity taking CT10 and a second electricity taking CT11, two ends of the first electricity taking CT10 are respectively connected with the first output terminal 5 and the second output terminal 6, the second electricity taking CT11 is arranged on the sensor fixing base 3, a sampling CT is arranged in the electricity taking CT7, the sampling CT is a Rogowski coil, and the maximum wire diameter which can be accommodated in the electricity taking CT7 is 32 mm.

The use principle is as follows: firstly, a first output terminal 5 and a second output terminal 6 are opened, a rotating shaft 8 is fixed through a rotating opening, a first component electricity taking CT10 of an electricity taking CT7 is lifted, a power transmission line is placed in an electricity taking CT7, an opening fixing elastic sheet 9 automatically presses down and then closes a first component electricity taking CT10 of the electricity taking CT7, the first output terminal 5 and the second output terminal 6 are 2P Firex terminals, operation of workers is facilitated, a 1J85 material is adopted for an electricity taking CT7 magnetic core, the magnetic conductivity is high, the electricity taking capability is strong, the performance is stable, rust is never generated, the service life of a sensor is prolonged, a Rogowski coil is arranged in the electricity taking CT7, the Rogowski coil is an alternating current sensor, is a hollow annular coil, and is flexible and hard, and can be directly sleeved on a measured conductor to measure alternating current. The utility model discloses a voltage current sensor can adapt to the wide current change of 1 ~ 1000A of circuit, ensures that output voltage is invariable. The device protection level reaches IP66, adapts to outdoor adverse circumstances completely, and output terminal adopts the 2P phoenix terminal of the operation of being convenient for, and output voltage can be adjusted into DC12V and DC24V according to customer's demand, the utility model discloses a voltage current sensor degree of accuracy is high, and the linearity is good, and shielding property is good, has anti falling, and the tensile, waterproof characteristics, the staff uses special mounting tool can install with electricity.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a waterproof electricity device of getting of high voltage distribution line which characterized in that: the sensor fixing device comprises an overhead line device (1), a fixing base (2), a sensor fixing base (3), an electric field measuring elastic sheet (4), an output terminal (5), a second output terminal (6), a power taking CT (7), an opening fixing rotating shaft (8) and an opening fixing elastic sheet (9), wherein the fixing base (2) is arranged at the bottom of the overhead line device (1), the sensor fixing base (3) is arranged in the middle of the top of the overhead line device (1), the electric field measuring elastic sheet (4) is arranged on the sensor fixing base (3), the power taking CT (7) is arranged in the middle of the sensor fixing base (3), one end of the top of the sensor fixing base (3) is provided with the first output terminal (5), the other end of the top of the sensor fixing base (3) is provided with the second output terminal (6), and one end, close to the second output terminal (6), of the top of the sensor fixing base (3) is provided with the opening The fixed rotating shaft (8), the one end winding of opening fixed shell fragment (9) is on opening fixed rotating shaft (8), the other end setting of opening fixed shell fragment (9) is at the top of getting electric CT (7).

2. The waterproof power taking device for the high-voltage distribution line according to claim 1, characterized in that: the electricity taking CT (7) comprises a first electricity taking CT (10) and a second electricity taking CT (11), two ends of the first electricity taking CT (10) are respectively connected with a first output terminal (5) and a second output terminal (6), and the second electricity taking CT (11) is arranged on the sensor fixing base (3).

3. The waterproof power taking device for the high-voltage distribution line according to claim 1, characterized in that: a sampling CT is arranged in the electricity taking CT (7), and the maximum wire diameter which can be accommodated in the electricity taking CT (7) is 32 mm.

4. The waterproof power taking device for the high-voltage distribution line according to claim 1, characterized in that: the electric field measurement elastic sheet (4) is composed of a first elastic sheet (12) and a second elastic sheet (13), and the first elastic sheet (12) and the second elastic sheet (13) are respectively arranged on the front surface and the back surface of the sensor fixing base (3).

5. The waterproof power taking device for the high-voltage distribution line according to claim 3, wherein: the sampling CT is a Rogowski coil.

6. The waterproof power taking device for the high-voltage distribution line according to claim 3, wherein: and a fault indicator lamp is arranged at the bottom of the fixed base (2).