CN219041394U

CN219041394U - Surge protection cabinet

Info

Publication number: CN219041394U
Application number: CN202223110719.XU
Authority: CN
Inventors: 谢备; 夏泉康; 陈绍伟; 魏德旭
Original assignee: Camda New Energy Equipment Co ltd
Current assignee: Camda New Energy Equipment Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-05-16
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a surge protection cabinet, which comprises a cabinet body and copper bars, wherein the front end of the cabinet body is hinged with a panel, the back of the cabinet body is fixedly connected with a back plate, a first installation area and a second installation area are arranged in the cabinet body, the bottom of the first installation area is fixedly connected with a base, the upper end of the base is fixedly connected with a surge protector, the side wall of the first installation area is fixedly connected with a plurality of first installation seats, the side wall of the second installation area is fixedly connected with a plurality of second installation seats, a plurality of copper bars are connected between the surge protector and the plurality of second installation seats, and the copper bars pass through the plurality of first installation seats.

Description

Surge protection cabinet

Technical Field

The utility model relates to a surge protection cabinet, and belongs to the technical field of surge protection cabinets.

Background

High voltage transient surges caused by vacuum breaker switching operations or lightning strikes on the power lines can damage the insulation of the generator windings and the measurement equipment. Therefore, it is absolutely necessary to provide generator overvoltage protection.

The existing generator outlet protection cabinet generally adopts an XGN15-12 cabinet type, and a metal oxide lightning arrester is installed in the generator outlet protection cabinet. While lightning arresters limit voltage peaks, they have no effect on the rise time of voltage transients and therefore do not protect inter-turn insulation. The standard XGN15-12 cabinet is large in size and is not space enough if the genset is installed in a container.

Disclosure of Invention

The utility model aims to provide a surge protection cabinet so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the surge protection cabinet comprises a cabinet body and copper bars, wherein the front end of the cabinet body is hinged with a panel, the back of the cabinet body is fixedly connected with a back plate, a first installation area and a second installation area are arranged in the cabinet body, the bottom of the first installation area is fixedly connected with a base, the upper end of the base is fixedly connected with a surge protector, a plurality of first installation seats are fixedly connected to the side wall of the first installation area, a plurality of second installation seats are fixedly connected to the side wall of the second installation area, a plurality of copper bars are connected between the surge protector and the plurality of second installation seats, and a plurality of copper bars pass through the plurality of first installation seats;

the surge protector is internally provided with a resistor, a capacitor and a piezoresistor, the resistor, the capacitor and the piezoresistor are fixedly connected in the surge protector, the resistor is connected with the piezoresistor in parallel, and the resistor and the piezoresistor are connected with the capacitor in series.

Preferably, the plurality of first installation seats respectively correspond to the plurality of second installation seats, and the plurality of first installation seats and the corresponding second installation seats are all located on the same vertical plane.

Preferably, the panel is provided with a plurality of vent holes.

Compared with the prior art, the utility model has the beneficial effects that: the capacitor and the piezoresistor are combined in the same element, so that the installation position is reduced, the installation is simplified, the work is reliable, the capacitor prolongs the rising time of the voltage pulse, the pulse voltage is spread on a larger part of the winding, the inter-turn voltage is reduced, and the inter-turn insulation of the winding is protected.

Drawings

FIG. 1 is a schematic diagram of the front structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

FIG. 3 is a schematic view of the B-B surface structure of the present utility model;

FIG. 4 is a schematic view of the back structure of the present utility model;

FIG. 5 is a schematic view of the A-A plane structure of the present utility model;

fig. 6 is a circuit schematic of the present utility model.

In the figure: 1. a cabinet body; 2. a panel; 3. a first mounting region; 4. a second mounting region; 5. a surge protector; 51. a resistor; 52. a capacitor; 53. a piezoresistor; 6. a copper bar; 7. a first mount; 8. a second mounting base; 9. a base; 10. a back plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the surge protection cabinet comprises a cabinet body 1 and copper bars 6, wherein the front end of the cabinet body 1 is hinged with a panel 2, the back of the cabinet body 1 is fixedly connected with a backboard 10, a first installation area 3 and a second installation area 4 are arranged in the cabinet body 1, the bottom of the first installation area 3 is fixedly connected with a base 9, the upper end of the base 9 is fixedly connected with a surge protector 5, the side wall of the first installation area 3 is fixedly connected with a plurality of first installation seats 7, the side wall of the second installation area 4 is fixedly connected with a plurality of second installation seats 8, a plurality of copper bars 6 are connected between the surge protector 5 and the plurality of second installation seats 8, the copper bars 6 pass through the plurality of first installation seats 7, the combination of a capacitor 52 device and a piezoresistor 53 is used, the rising time of voltage pulses is prolonged by the capacitor 52 device, so that pulse voltage is spread on a larger part of windings, each turn-to-turn voltage is reduced, the turn insulation of windings is protected, the protection is more comprehensive, and the volume is reduced;

the resistor 51, the capacitor 52 and the piezoresistor 53 are arranged in the surge protector 5, the resistor 51, the capacitor 52 and the piezoresistor 53 are fixedly connected in the surge protector 5, the resistor 51 is connected with the piezoresistor 53 in parallel, the resistor 51 and the piezoresistor 53 are connected with the capacitor 52 in series, and the capacitor 52 and the piezoresistor 53 are combined in the same element, so that the installation position is reduced, the installation is simplified, and the work is reliable.

The plurality of first installation seats 7 respectively correspond to the plurality of second installation seats 8, and the plurality of first installation seats 7 and the corresponding second installation seats 8 are positioned on the same vertical plane, so that the installation uniformity of the copper bars 6 is ensured; a plurality of vent holes are arranged on the panel 2, so that ventilation inside the cabinet body 1 is facilitated.

Specifically, when the utility model is used, the capacitor 52 protector is connected between the motor and the generator grid-connected cabinet to protect the generator, the capacitor 52 protector and the piezoresistor 53 are combined in the same element, the installation position is reduced, the installation is simplified, the work is reliable, the capacitor 52 protector and the piezoresistor 53 are combined, the rising time of voltage pulse is prolonged by the capacitor 52 protector, the pulse voltage is spread on a larger part of the winding, the inter-turn voltage is reduced, the inter-turn insulation of the winding is protected, the protection is more comprehensive, and the volume is reduced.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Surge protection cabinet, including the cabinet body (1) and copper bar (6), its characterized in that: the novel intelligent multifunctional electric cabinet is characterized in that a panel (2) is hinged to the front end of the cabinet body (1), a back plate (10) is fixedly connected to the back of the cabinet body (1), a first installation area (3) and a second installation area (4) are arranged in the cabinet body (1), a base (9) is fixedly connected to the bottom of the first installation area (3), a surge protector (5) is fixedly connected to the upper end of the base (9), a plurality of first installation seats (7) are fixedly connected to the side wall of the first installation area (3), a plurality of second installation seats (8) are fixedly connected to the side wall of the second installation area (4), a plurality of copper bars (6) are connected between the surge protector (5) and the plurality of second installation seats (8), and a plurality of copper bars (6) pass through the plurality of first installation seats (7);

the surge protector is characterized in that a resistor (51), a capacitor (52) and a piezoresistor (53) are arranged in the surge protector (5), the resistor (51), the capacitor (52) and the piezoresistor (53) are fixedly connected in the surge protector (5), the resistor (51) is connected with the piezoresistor (53) in parallel, and the resistor (51) and the piezoresistor (53) are connected with the capacitor (52) in series.

2. The surge protection cabinet of claim 1, wherein: the first installation seats (7) are respectively corresponding to the second installation seats (8), and the first installation seats (7) and the corresponding second installation seats (8) are located on the same vertical plane.

3. The surge protection cabinet of claim 1, wherein: a plurality of vent holes are arranged on the panel (2).