CN210608517U - Neutral point grounding resistor cabinet of transformer - Google Patents

Neutral point grounding resistor cabinet of transformer Download PDF

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Publication number
CN210608517U
CN210608517U CN201922131028.XU CN201922131028U CN210608517U CN 210608517 U CN210608517 U CN 210608517U CN 201922131028 U CN201922131028 U CN 201922131028U CN 210608517 U CN210608517 U CN 210608517U
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CN
China
Prior art keywords
cabinet
cabinet body
fan
mounting box
neutral point
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Application number
CN201922131028.XU
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Chinese (zh)
Inventor
佟晓亮
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Baoding Shangwei Electricity Technology Co ltd
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Baoding Shangwei Electricity Technology Co ltd
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Priority to CN201922131028.XU priority Critical patent/CN210608517U/en
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Publication of CN210608517U publication Critical patent/CN210608517U/en
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Abstract

The utility model belongs to the technical field of the resistance cabinet technique and specifically relates to a resistance cabinet is grounded to transformer neutral point, the intelligent cabinet temperature adjusting device comprises a cabinet body, the bottom bolted connection base of the cabinet body, the top welding rain-proof lid of the cabinet body, one side hinged joint cabinet door of the cabinet body, the cabinet door is equipped with the observation window, the top of the cabinet body is equipped with solar panel, the fixed storage battery that is equipped with in internal wall top of cabinet body and pass through line connection with solar panel, cabinet body intracavity bottom is equipped with first fan, cabinet body intracavity top is equipped with the second fan, the air exit has been seted up to one side of the cabinet body, and the advantage that this resistance cabinet is grounded to transformer neutral point contrasts current resistance cabinet lies in simple structure, convenient to use, and the radiating efficiency is high, and the effectual internal portion of cabinet that.

Description

Neutral point grounding resistor cabinet of transformer
Technical Field
The utility model relates to a resistance cabinet technical field especially relates to a transformer neutral point grounding resistance cabinet.
Background
With the development of urban power networks, the structure of the power network is changed greatly, the proportion of cable lines is increased year by year, power distribution networks mainly based on cables appear, and the capacitance to ground current is increased sharply (the capacitance to ground of many urban power distribution networks exceeds 200A). Meanwhile, totally-enclosed GIS electrical appliances and zinc oxide arresters are widely used, and the number of such imported devices is gradually increased. Under the condition, a neutral point ungrounded mode or a mode of grounding through an arc suppression coil is adopted, very high overvoltage can be generated when a single-phase grounding fault occurs, various resonance overvoltage can not be recovered automatically, the fault can not be cut off in time, the fault is easy to expand, the resistance value of the resistor can be influenced by the temperature, and therefore the temperature control of the grounding resistor cabinet per se is important.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the existing resistor cabinet cannot avoid the influence of overhigh temperature on the resistance value and cannot avoid the defect of the influence of over humidity on the circuit and the electronic element in the prior art, and providing the transformer neutral point grounding resistor cabinet.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a transformer neutral point grounding resistance cabinet is designed, comprising a cabinet body, wherein the bottom of the cabinet body is bolted with a base, the top of the cabinet body is welded with a rain-proof cover, one side of the cabinet body is hinged with a cabinet door, the cabinet door is provided with an observation window, the top of the cabinet body is provided with a solar panel, the top of the inner wall of the cabinet body is fixedly provided with a storage battery and is connected with the solar panel through a circuit, the bottom of the inner cavity of the cabinet body is provided with a first fan, the top of the inner cavity of the cabinet body is provided with a second fan, one side of the cabinet body is provided with an air outlet, the outer surface of the cabinet body is fixedly provided with an exhaust fan at one side of the air outlet, the top of the exhaust fan is provided with a rain-proof plate, the cabinet door is provided with a mounting groove, one side that the mounting box intracavity is located the shutter is equipped with the fly net, one side that the mounting box intracavity is located the fly net is equipped with the drier, one side that the mounting box intracavity is located the drier is equipped with the filter screen, the air inlet has been seted up to one side that the mounting box is located the filter screen, cabinet door inner wall, the fixed limiting plate that is equipped with in bottom that is located the mounting box, the fixed shell that keeps off the rain that is equipped with in top and the adjacent both sides that external surface of cabinet is located the mounting box.
Preferably, the first fan and the second fan are perpendicular to each other, and the output ends of the first fan and the second fan are arranged oppositely.
Preferably, the top in the cabinet body cavity is provided with a temperature sensor and is connected with the first fan, the second fan and the exhaust fan through lines.
Preferably, one side of the mounting box, which is far away from the handle, is provided with a positive magnet, and one side of the limiting plate, which is located on the positive magnet, is provided with a negative magnet.
The utility model provides a pair of transformer neutral point resistance cabinet that connects to ground, beneficial effect lies in: monitor the temperature of the internal portion of cabinet through being equipped with temperature-sensing ware, temperature-sensing ware control exhaust fan and first fan when the temperature is too high, the convection current structure of second fan carries out the efficient heat dissipation to the internal portion of cabinet, take a breath through the shutter, it is internal that the air filters the back through the drier during taking a breath, it causes the damage to internal element to prevent the internal portion of cabinet moist, pull out removable drier through the handle with the mounting box, this transformer neutral point grounding resistance cabinet simple structure, high durability and convenient use, the radiating efficiency is high, the effectual internal portion of cabinet that prevents is moist, the life of the internal portion electrical apparatus of reinforcing cabinet.
Drawings
Fig. 1 is a schematic structural diagram of a transformer neutral point grounding resistor cabinet provided by the present invention;
fig. 2 is a schematic side view of the neutral point grounding resistor cabinet of the transformer according to the present invention;
fig. 3 is a schematic diagram of an area a structure of a transformer neutral point grounding resistor cabinet provided by the present invention;
fig. 4 is the utility model provides a B district structural diagram of transformer neutral point ground resistance cabinet.
In the figure: the solar energy storage cabinet comprises a cabinet body 1, a base 2, a rain cover 3, a cabinet door 4, an observation window 5, a solar panel 6, a storage battery 7, a first fan 8, a second fan 9, an air outlet 10, an exhaust fan 11, a rain baffle 12, a mounting groove 13, a mounting box 14, a handle 15, a shutter 16, an insect-proof net 17, a drying agent 18, a filter screen 19, an air inlet 20, a limiting plate 21 and a rain baffle shell 22.
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. 1-4, a transformer neutral point grounding resistance cabinet comprises a cabinet body 1, a base 2 bolted to the bottom of the cabinet body 1, a rain cover 3 welded to the top of the cabinet body 1, a cabinet door 4 hinged to one side of the cabinet body 1, an observation window 5 arranged on the cabinet door 4, a solar panel 6 arranged on the top of the cabinet body 1, a storage battery 7 fixedly arranged on the top of the wall of the cabinet body 1 and connected with the solar panel 6 through a circuit, a first fan 8 arranged on the bottom of the cavity of the cabinet body 1, a second fan 9 arranged on the top of the cavity of the cabinet body 1, an air outlet 10 arranged on one side of the cabinet body 1, an exhaust fan 11 fixedly arranged on one side of the air outlet 10 on the outer surface of the cabinet body 1, a rain baffle 12 arranged on the top of the exhaust fan 11, a mounting groove 13 arranged on the cabinet door 4, a matched mounting box 14 arranged in the mounting groove, one side that is located shutter 16 in the 14 intracavity of mounting box is equipped with fly net 17, one side that is located fly net 17 in the 14 intracavity of mounting box is equipped with drier 18, one side that is located drier 18 in the 14 intracavity of mounting box is equipped with filter screen 19, air inlet 20 has been seted up to one side that mounting box 14 is located filter screen 19, the fixed limiting plate 21 that is equipped with in bottom that is located mounting box 14 to cabinet door 4 inner wall, the fixed shell 22 that keeps off the rain that is equipped with in top and the adjacent both sides that cabinet body 1 surface is located mounting box 14.
The first fan 8 and the second fan 9 are perpendicular to each other, the output ends are oppositely arranged, air convection is achieved, the heat dissipation effect is enhanced, a temperature sensor is arranged at the top in the cavity of the cabinet body 1 and is connected with the first fan 8, the second fan 9 and the exhaust fan 11 through a circuit, automatic cooling is achieved without manual operation, a positive magnet is arranged on one side, away from the handle 15, of the mounting box 14, a negative magnet is arranged on one side, located on the positive magnet, of the limiting plate 21, the mounting box 14 is convenient to fix, the temperature sensor is arranged to monitor the temperature inside the cabinet body 1, when the temperature is too high, the temperature sensor controls the convection structure of the exhaust fan 11, the first fan 8 and the second fan 9 to efficiently dissipate heat inside the cabinet body 1, ventilation is achieved through the louver 16, air enters the cabinet body 1 after being filtered by the drying agent 18, and damage to internal elements due to humidity inside the cabinet body 1 is prevented, through handle 15 with mounting box 14 pull out removable drier 18, this transformer neutral ground resistance cabinet simple structure, convenient to use, the radiating efficiency is high, the effectual cabinet body 1 that prevents is inside moist, strengthens the life of the inside electrical apparatus of the cabinet body 1.
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 (4)

1. A transformer neutral point grounding resistance cabinet comprises a cabinet body (1) and is characterized in that a base (2) is bolted at the bottom of the cabinet body (1), a rain cover (3) is welded at the top of the cabinet body (1), one side of the cabinet body (1) is hinged with a cabinet door (4), the cabinet door (4) is provided with an observation window (5), a solar panel (6) is arranged at the top of the cabinet body (1), a battery (7) is fixedly arranged at the top in the wall of the cabinet body (1) and is connected with the solar panel (6) through a circuit, a first fan (8) is arranged at the bottom in the cavity of the cabinet body (1), a second fan (9) is arranged at the top in the cavity of the cabinet body (1), an air outlet (10) is formed at one side of the cabinet body (1), a fan (11) is fixedly arranged at one side, which is positioned at the air outlet (, the top of exhaust fan (11) is equipped with weather shield (12), mounting groove (13) have been seted up in cabinet door (4), be equipped with assorted mounting box (14) in mounting groove (13), mounting box (14) surface both sides screw connection handle (15) relative, mounting box (14) surface is equipped with shutter (16), one side that is located shutter (16) in mounting box (14) chamber is equipped with fly net (17), one side that is located fly net (17) in mounting box (14) chamber is equipped with drier (18), one side that is located drier (18) in mounting box (14) chamber is equipped with filter screen (19), air inlet (20) have been seted up to one side that mounting box (14) is located filter screen (19), cabinet door (4) inner wall is located the fixed limiting plate (21) that is equipped with in bottom of mounting box (14), the top that the cabinet body (1) surface is located mounting box (14) and the fixed rain shell(s) that is equipped with in adjacent both sides 22).
2. The transformer neutral point grounding resistor cabinet according to claim 1, characterized in that the first fan (8) and the second fan (9) are perpendicular to each other and the output ends are arranged oppositely.
3. The transformer neutral point grounding resistance cabinet according to claim 1, characterized in that a temperature sensor is arranged at the top of the cavity of the cabinet body (1), and is connected with the first fan (8), the second fan (9) and the exhaust fan (11) through a line.
4. The transformer neutral point grounding resistor cabinet as claimed in claim 1, wherein a positive magnet is disposed on a side of the mounting box (14) away from the handle (15), and a negative magnet is disposed on a side of the limiting plate (21) located on the positive magnet.
CN201922131028.XU 2019-12-03 2019-12-03 Neutral point grounding resistor cabinet of transformer Active CN210608517U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922131028.XU CN210608517U (en) 2019-12-03 2019-12-03 Neutral point grounding resistor cabinet of transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922131028.XU CN210608517U (en) 2019-12-03 2019-12-03 Neutral point grounding resistor cabinet of transformer

Publications (1)

Publication Number Publication Date
CN210608517U true CN210608517U (en) 2020-05-22

Family

ID=70692109

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922131028.XU Active CN210608517U (en) 2019-12-03 2019-12-03 Neutral point grounding resistor cabinet of transformer

Country Status (1)

Country Link
CN (1) CN210608517U (en)

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