CN210514466U - Electrified nuclear phase device of overhead line - Google Patents

Abstract

The utility model discloses an overhead line electrified nuclear phase device, including the insulating cabinet body, install three mutual interval distribution's high-pressure pile head on the insulating cabinet body, the internal voltage sensor who installs three mutual interval distribution of insulating cabinet, it is three high-pressure pile head respectively one-to-one ground and three voltage sensor's a binding post connects, the insulating cabinet is internal still to install the three-phase terminal box, and is three voltage sensor's secondary binding post respectively one-to-one ground with the three-phase incoming wire terminal of three-phase terminal box connects. The utility model is used for the circuit is first power transmission checked and the switching operation shifts the load before nuclear looks work, does not need the outage operation, improves operation security and work efficiency greatly, has increased the charges of electricity income.

Description

Electrified nuclear phase device of overhead line

Technical Field

The utility model relates to a transmission line field, specifically speaking relate to an overhead line electrified nuclear phase device.

Background

In order to improve the satisfaction degree of customer electricity utilization and reduce the times and time of power failure, the most effective measure is that the strengthened load can be converted into necessary load. At present, most overhead lines of a distribution network are erected on the same pole in multiple loops, and as a power supply is led out from a 10-kilovolt outgoing line switch cabinet of a transformer substation to a No. 1 pole of a newly-built line trunk, most of the overhead lines are laid from the underground by using cables, and which line is accessed to the next line cannot be visually judged; similarly, after the cable is used for passing through the circuit, whether the phase sequence of the overhead line is correct or not cannot be intuitively judged, and hidden danger is buried for power transmission work. Meanwhile, before switching operation is carried out to transfer load, phase checking needs to be carried out on lines on two sides of the connecting switch, and at present, personnel who are common methods for phase checking of overhead lines climb a pole and use a high-voltage phase checking instrument for direct measurement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a can be used to the circuit first power transmission check and check looks work before switching operation shifts load, improve operation security and work efficiency greatly, increase the electrified nuclear looks device of overhead line of charges of electricity income is provided.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides an overhead line electrified nuclear phase device, includes the insulating cabinet body, install three mutual interval distribution's high-pressure pile head on the insulating cabinet body, the internal three mutual interval distribution's of installing of insulating cabinet, it is three high-pressure pile head respectively one-to-one ground and three voltage sensor's primary connection terminal is connected, the insulating cabinet is internal still to install the three-phase terminal box, and is three voltage sensor's secondary connection terminal respectively one-to-one ground with the three-phase incoming wire terminal of three-phase terminal box is connected.

Furthermore, the three high-voltage pile heads are all installed at the top of the insulation cabinet body and exposed outside the insulation cabinet body.

Further, the front side of the insulating cabinet body is provided with a first cabinet door, and safety warning is written on the first cabinet door.

Furthermore, more than one first hoop beam with a C-shaped cross section is fixed on the outer wall of the rear side of the insulating cabinet body.

Furthermore, the left side and the right side of the insulating cabinet body are respectively provided with more than one first heat dissipation hole.

Furthermore, the bottom of the insulating cabinet body is provided with more than one first wiring hole.

Furthermore, the three-phase junction box also comprises a phase checking instrument, and three-phase outlet terminals of the three-phase junction box are respectively connected with the phase checking instrument.

Further, still include the protection cabinet body, nuclear phase appearance is installed in the protection cabinet body.

Further, the front side of the protection cabinet body is provided with a second cabinet door, safety warning is written on the second cabinet door, and more than one second hoop beam with the cross section in a C shape is fixed on the outer wall of the rear side of the protection cabinet body.

Further, more than one second heat dissipation hole is respectively opened to the left and right sides of the protection cabinet body, more than one second wire hole is opened to the bottom of the protection cabinet body.

The beneficial effects of the utility model are embodied in:

the utility model is used for the circuit is first power transmission checked and the switching operation shifts the load before nuclear looks work, does not need the outage operation, improves operation security and work efficiency greatly, has increased the charges of electricity income.

Drawings

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

Fig. 2 is a front view of an insulating cabinet according to an embodiment of the present invention.

Fig. 3 is a left side view of fig. 2.

Fig. 4 is a top view of fig. 2.

Fig. 5 is a bottom view of fig. 2.

Fig. 6 is a front view of the protection cabinet in an embodiment of the present invention.

Fig. 7 is a left side view of fig. 6.

Fig. 8 is a bottom view of fig. 6.

The components in the drawings are labeled as follows: 1 insulating cabinet body, 11 first cabinet door, 12 first hooping beam, 13 first louvre, 14 first wiring hole, 15 jacks, 16 mounting holes, 2 protective cabinet body, 21 second cabinet door, 22 second hooping beam, 23 second louvre, 24 second wiring hole, 3 high-voltage pile head, 4 voltage sensor, 41 voltage sensor's primary binding post, 42 voltage sensor's secondary binding post, 5 three-phase terminal box, 51 three-phase terminal box's three-phase incoming wire terminal, 52 three-phase terminal box's three-phase outgoing line terminal, 6 nuclear phase appearance, 7 copper bar, 8V-4 1.5 wire.

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 efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

See fig. 1.

The utility model discloses electrified nuclear phase device of overhead line, including the insulating cabinet body 1, install three mutual interval distribution's high-pressure pile head 3 on the insulating cabinet body 1, install three mutual interval distribution's voltage sensor 4 in the insulating cabinet body 1, it is three high-pressure pile head 3 respectively one-to-one ground and three voltage sensor 4's primary binding post 41 is connected, still install three-phase terminal box 5 in the insulating cabinet body 1, it is three voltage sensor 4's secondary binding post 42 respectively one-to-one ground with three-phase incoming wire terminal 51 of three-phase terminal box 5 is connected.

The primary connecting terminal and the secondary connecting terminal of the voltage sensor, namely the incoming line terminal and the outgoing line terminal of the voltage sensor, are commonly known in the field.

The utility model discloses connect in advance in transmission line, three high-voltage pile head corresponds with high-tension line's three-phase respectively and is connected, and like this, voltage sensor converts high-tension line voltage into induced voltage, transmits the three-phase terminal box then, when needs nuclear phase, as long as be connected the corresponding test interface of nuclear phase appearance and the three-phase leading-out terminal of three-phase terminal box, just can carry out nuclear phase, and need not measure after the outage is connected.

Or, preferably, the utility model discloses directly add nuclear phase appearance 6, the three-phase outgoing lines terminal 52 of three-phase terminal box 5 respectively with nuclear phase appearance 6 is connected. Therefore, the nuclear phase result can be read at any time, and the method is more convenient.

Furthermore, a secondary phase checking instrument or a universal meter can be used, a meter pen is inserted into a phase checking hole of the phase checking instrument, and whether the phase sequences of the lines on the two sides are the same or not can be judged according to the result of the secondary phase checking instrument or the phase angle and amplitude difference of the universal meter.

Preferably, referring to fig. 1, the three-phase outlet terminals 52 of the three-phase junction box 5 are connected to the nuclear phase meter 6 by RVV-4 x 1.5 wires 8.

In one embodiment, referring to fig. 1, three high-voltage pile heads 3 are mounted on the top of the insulating cabinet 1 and exposed outside the insulating cabinet 1. Design like this, it is rational in infrastructure, conveniently be connected with transmission line.

Preferably, the top of the insulating cabinet 1 is provided with three insertion holes 15, the top of the insulating cabinet 1 is further provided with three mounting holes 16 around each insertion hole 15, and the three high-voltage pile heads 3 are respectively inserted into the three insertion holes 15 and fastened to the insulating cabinet 1 through three bolts respectively penetrating through the three mounting holes 16. The high-pressure pile head is installed, the dismounting is convenient, and the practicability is better.

Preferably, referring to fig. 1, three high-voltage pile heads 3 are connected with primary connecting terminals 41 of three voltage sensors 4 through copper bars 7, and are sleeved with yellow-green-red three-color insulating sheaths. To ensure high voltage transmission requirements and to allow three phases to be distinguished.

In an embodiment, referring to fig. 2, a first cabinet door 11 is disposed on a front side of the insulating cabinet 1, and a safety warning is written on the first cabinet door 11. First cabinet door is used for the insulating cabinet body that opens and shuts, convenient to use, and safety warning is used for warning near personnel and notices the electric safety.

In an embodiment, referring to fig. 3, more than one first hoop beam 12 with a C-shaped cross section is fixed on the outer wall of the rear side of the insulated cabinet 1. Design like this, first staple bolt roof beam is equivalent to the slot, can peg graft on other facilities through first staple bolt roof beam, realizes the installation of the insulated cabinet body.

In an embodiment, referring to fig. 3, the left and right sides of the insulated cabinet 1 are respectively provided with more than one first heat dissipation holes 13. The first heat dissipation hole is used for dissipating heat, and the potential safety hazard of overheating of the device is solved. Preferably, the first heat dissipation hole 13 is a convex square heat dissipation hole, so that the heat dissipation effect is better.

In one embodiment, referring to fig. 5, the bottom of the insulated cabinet 1 is provided with more than one first wire hole 14. The first wiring hole is used for passing through an insulation cabinet body of a connecting line between a three-phase wire outlet terminal of the three-phase wiring box and the phase checking instrument, and is convenient to install.

In an embodiment, referring to fig. 1, the apparatus further comprises a protective cabinet 2, and the nuclear phase instrument 6 is mounted in the protective cabinet 2. By the design, the nuclear phase instrument can be protected and prevented from being damaged by external factors.

In an embodiment, referring to fig. 6 and 7, a second cabinet door 21 is disposed on the front side of the protection cabinet 2, a safety warning is written on the second cabinet door 21, and more than one second hoop beam 22 with a C-shaped cross section is fixed on the outer wall of the rear side of the protection cabinet 2. Similarly, the second cabinet door is used for opening and closing the protection cabinet body, so that the use is convenient, and the safety warning is used for warning approaching personnel to pay attention to the electrical safety; the second hoop beam is equivalent to a slot and can be inserted into other facilities through the second hoop beam, so that the installation of the protection cabinet body is realized.

In an embodiment, referring to fig. 7 and 8, the left side and the right side of the protection cabinet 2 are respectively provided with more than one second heat dissipation hole 23, and the bottom of the protection cabinet 2 is provided with more than one second wire passing hole 24. Similarly, the second louvre is used for the heat dissipation, solves the overheated potential safety hazard of device, and the second is walked line hole and is used for the three-phase terminal outgoing lines of three-phase terminal box and the protection cabinet body that passes through of interconnecting link between the nuclear phase appearance, easy to assemble. Preferably, the second heat dissipation holes 23 are convex square heat dissipation holes, so that the heat dissipation effect is better.

In one specific example, the size of the insulating cabinet is 700mm x 500mm x 350mm, the size of the protective cabinet is 300mm x 250mm x 120mm, the diameter of the first wire routing hole and the diameter of the second wire routing hole are 40mm, the length of the first hoop beam is 690mm, and the length of the second hoop beam is 250 mm.

It should be understood that the examples and embodiments described herein are for illustrative purposes only and are not intended to limit the present invention, and that various modifications or changes in light thereof will be suggested to persons skilled in the art and are to be included within the spirit and purview of this application.

Claims (10)

1. The utility model provides an overhead line electrification nuclear phase device which characterized in that: the insulation cabinet is characterized by comprising an insulation cabinet body, three high-voltage pile heads which are distributed at intervals are installed on the insulation cabinet body, three voltage sensors which are distributed at intervals are installed in the insulation cabinet body, the three high-voltage pile heads are respectively connected with three primary wiring terminals of the voltage sensors in a one-to-one mode, a three-phase wiring box is further installed in the insulation cabinet body, and the three secondary wiring terminals of the voltage sensors are respectively connected with three-phase wiring terminals of the three-phase wiring box in a one-to-one mode.

2. The overhead line electrified nuclear phase apparatus of claim 1, wherein: the three high-voltage pile heads are all installed at the top of the insulation cabinet body and exposed outside the insulation cabinet body.

3. The overhead line electrified nuclear phase apparatus of claim 1 or 2, characterized in that: the front side of the insulating cabinet body is provided with a first cabinet door, and safety warning is written on the first cabinet door.

4. The overhead line electrified nuclear phase apparatus of claim 1 or 2, characterized in that: more than one first hoop beam with the C-shaped cross section is fixed on the outer wall of the rear side of the insulating cabinet body.

5. The overhead line electrified nuclear phase apparatus of claim 1 or 2, characterized in that: the left side and the right side of the insulating cabinet body are respectively provided with more than one first heat dissipation hole.

6. The overhead line electrified nuclear phase apparatus of claim 1 or 2, characterized in that: the bottom of the insulating cabinet body is provided with more than one first wiring hole.

7. The overhead line electrified nuclear phase apparatus of claim 1 or 2, characterized in that: the three-phase junction box is characterized by further comprising a phase checking instrument, and three-phase outlet terminals of the three-phase junction box are connected with the phase checking instrument respectively.

8. The overhead line electrified nuclear phase apparatus of claim 7, wherein: still include the protection cabinet body, nuclear phase appearance is installed in the protection cabinet body.

9. The overhead line electrified nuclear phase apparatus of claim 8, wherein: the front side of the protection cabinet body is provided with a second cabinet door, safety warning is written on the second cabinet door, and more than one second hoop beam with a C-shaped cross section is fixed on the outer wall of the rear side of the protection cabinet body.

10. The overhead line electrified nuclear phase apparatus of claim 8, wherein: more than one second heat dissipation hole is respectively opened to the left and right sides of the protection cabinet body, more than one second wiring hole is opened to the bottom of the protection cabinet body.

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