CN211629869U - Grounding resistance cabinet of box-type power station - Google Patents
Grounding resistance cabinet of box-type power station Download PDFInfo
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- CN211629869U CN211629869U CN202020574176.9U CN202020574176U CN211629869U CN 211629869 U CN211629869 U CN 211629869U CN 202020574176 U CN202020574176 U CN 202020574176U CN 211629869 U CN211629869 U CN 211629869U
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Abstract
The utility model discloses a ground resistance cabinet of box-type power station, the ground resistance cabinet is embedded in the box body of the box-type power station, the ground resistance cabinet comprises a shell, and a heater, a vacuum contactor, a wiring bank group, a current transformer and a resistor which are arranged in the shell, wherein the front end of the shell is provided with a front panel, and the rear end of the shell is provided with a rear sealing plate; the front panel is provided with an outer door of the resistor cabinet; the heater and the vacuum contactor are respectively arranged on the bottom plate of the shell; the wiring bank group and the current transformer are respectively arranged on the side wall of the shell; the resistor is disposed between insulators on left and right side walls of the housing. The utility model discloses a ground resistance cabinet of box power station combines the shell of ground resistance cabinet and power station box to design together, makes the whole more pleasing to the eye compactness of power station, has realized the nimble design of ground resistance cabinet shell, avoids influencing unit air inlet and resistance cabinet and intakes and damage.
Description
Technical Field
The utility model relates to a ground resistance cabinet of box power station belongs to diesel generator power station technical field.
Background
The neutral point is grounded through a resistor, namely, a certain resistor is connected between the neutral point of the power grid and the ground in series, and the resistance value of the connected resistor is properly selected, so that the energy of the half-wave behind a single-phase grounding arc can be discharged, the possibility of reignition of the arc is reduced, the amplitude of overvoltage of the power grid is restrained, the sensitivity of the relay protection device can be improved to act on tripping operation, and the normal operation of a system is effectively protected.
The design needs to consider the heat dissipation and the water resistance of the grounding resistor cabinet, but the grounding resistor cabinet is generally installed at the air inlet end of the box-type power station after being purchased integrally; the following problems may occur: 1. the size of the grounding resistance cabinet is fixed, and the larger size can block a plurality of air inlets of the unit. 2. The water inlet end is easy to feed water in rainy days, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's defect, providing a ground resistance cabinet of box power station, combine the shell of ground resistance cabinet and power station box to be in the same place the design, make the whole more pleasing to the eye compactness of power station, realized the nimble design of ground resistance cabinet shell, avoid influencing unit air inlet and resistance cabinet and intake and damage.
The technical scheme for realizing the purpose is as follows: the utility model provides a ground resistance cabinet of box power station, ground resistance cabinet embedding is in the box of box power station, ground resistance cabinet includes the shell and installs heater, vacuum contactor, wiring bank group, current transformer and the resistor in the shell, wherein:
the front end of the shell is provided with a front panel, and the rear end of the shell is provided with a rear sealing plate; the front panel is flush with one side wall of a box body of the box type power station;
the front panel is provided with an outer door of the resistor cabinet, the periphery of the outer door of the resistor cabinet is provided with an outer door frame seal, and the inner side of the outer door of the resistor cabinet is provided with an operating panel;
the heater and the vacuum contactor are respectively arranged on the bottom plate of the shell;
the wiring bank group and the current transformer are respectively arranged on the side wall of the shell;
insulators are respectively arranged on the left side wall and the right side wall of the shell;
the resistor is disposed between insulators on left and right side walls of the housing.
The grounding resistance cabinet of the box type power station is characterized in that resistance cabinet welding pieces are respectively arranged at the upper end and the lower end of the front panel.
In the above ground resistance cabinet of the box-type power station, the insulator is fixed on the left and right side walls of the housing by bolts;
the left end and the right end of the resistor are connected with the corresponding insulators in a one-to-one correspondence mode through nuts.
The grounding resistance cabinet of the box type power station is characterized in that the wiring row group is fixed on the side wall of the shell through screws.
The grounding resistance cabinet of the box type power station is characterized in that the vacuum contactor is fixed on a bottom plate of the shell through a bolt.
In the above ground resistance cabinet of the box-type power station, the rear sealing plate is fixed at the rear end of the outer shell by screws; and the rear sealing plate is provided with a plurality of ventilation holes.
The utility model discloses a ground resistance cabinet of box power station combines the shell of ground resistance cabinet and power station box to design together, makes the whole more pleasing to the eye compactness of power station, has realized the nimble design of ground resistance cabinet shell, avoids influencing unit air inlet and resistance cabinet and intakes and damage.
Drawings
Fig. 1 is an installation schematic diagram of a ground resistance cabinet of a box-type power station of the present invention;
fig. 2 is a three-dimensional structure diagram of the grounding resistance cabinet of the box-type power station of the utility model;
fig. 3 is a rear view of the ground resistance cabinet of the box-type power station of the present invention;
fig. 4 is a side view of the ground resistance cabinet of the box-type power station of the present invention;
FIG. 5 is a sectional view taken along line A-A of FIG. 4;
fig. 6 is a front view of the ground resistance cabinet of the box-type power station of the present invention;
fig. 7 is a sectional view taken along line B-B of fig. 6.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following detailed description is provided with reference to the accompanying drawings:
referring to fig. 1 to 7, in a preferred embodiment of the present invention, a ground resistance cabinet 20 of a box-type power station is embedded in a box body of a box-type power station 10, and includes a housing 21, and a heater 1, a vacuum contactor 6, a wiring bank 2, a current transformer 3 and a resistor 4 installed in the housing 21.
A front panel 22 is arranged at the front end of the shell 21, a rear sealing plate 16 is arranged at the rear end of the shell 21, and the rear sealing plate 16 is fixed at the rear end of the shell 21 through a screw 11; the rear closing plate 16 is provided with a plurality of vent holes; the front panel 22 is flush with one side wall of the box body of the box type power station 10, and the upper and lower ends of the front panel 22 are respectively provided with a resistance cabinet welding part 13. The front panel 22 is provided with an outer door 14 of the resistor cabinet, the periphery of the outer door 14 of the resistor cabinet is provided with an outer door frame seal 5, and the inner side of the outer door 14 of the resistor cabinet is provided with an operating panel 15; the heater 1 and the vacuum contactor 6 are respectively disposed on the bottom plate of the housing 21; the wiring bank group 2 and the current transformer 3 are respectively arranged on the side wall of the shell 21; insulators 7 are respectively arranged on the left side wall and the right side wall of the shell 21; the resistor 4 is disposed between the insulators 7 on the left and right side walls of the housing 21. The insulators 7 are fixed on the left and right side walls of the housing 21 by bolts 9; the left and right ends of the resistor 4 are connected to the respective insulators 7 through nuts 12 in one-to-one correspondence. The terminal row group 2 is fixed to the side wall of the housing 21 by screws 10. The vacuum contactor 6 is fixed to the bottom plate of the housing 21 by bolts 8.
The grounding resistance cabinet 20 of the grounding resistance cabinet of the box-type power station of the utility model does not buy the whole, only inner accessories are bought; the shell of the grounding resistance cabinet 20 is designed together with the box type power station, the size is flexible, and the design of wind shielding and water prevention is avoided.
To sum up, the utility model discloses a ground resistance cabinet of box power station combines the shell of ground resistance cabinet and power station box to design together, makes the whole more pleasing to the eye compactness of power station, has realized the nimble design of ground resistance cabinet shell, avoids influencing unit air inlet and resistance cabinet and intakes and damage.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a ground resistance cabinet of box power station, its characterized in that, ground resistance cabinet embedding is in the box of box power station, ground resistance cabinet includes the shell and installs heater, vacuum contactor, wiring bank group, current transformer and the resistor in the shell, wherein:
the front end of the shell is provided with a front panel, and the rear end of the shell is provided with a rear sealing plate; the front panel is flush with one side wall of a box body of the box type power station;
the front panel is provided with an outer door of the resistor cabinet, the periphery of the outer door of the resistor cabinet is provided with an outer door frame seal, and the inner side of the outer door of the resistor cabinet is provided with an operating panel;
the heater and the vacuum contactor are respectively arranged on the bottom plate of the shell;
the wiring bank group and the current transformer are respectively arranged on the side wall of the shell;
insulators are respectively arranged on the left side wall and the right side wall of the shell;
the resistor is disposed between insulators on left and right side walls of the housing.
2. The grounding resistor cabinet of a box-type power station as claimed in claim 1, wherein the upper and lower ends of the front panel are respectively provided with a resistor cabinet welding part.
3. The grounding resistor cabinet of a box-type power station as claimed in claim 1, wherein the insulator is fixed on the left and right side walls of the housing by bolts;
the left end and the right end of the resistor are connected with the corresponding insulators in a one-to-one correspondence mode through nuts.
4. The grounding resistor cabinet of a box-type power station as claimed in claim 1, wherein the wiring row set is fixed on the side wall of the housing by screws.
5. The ground resistance cabinet of a box-type power station as claimed in claim 1, wherein the vacuum contactor is fixed on the bottom plate of the housing by bolts.
6. The grounding resistor cabinet of a box-type power station as claimed in claim 1, wherein the rear closing plate is fixed at the rear end of the outer shell by screws; and the rear sealing plate is provided with a plurality of ventilation holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020574176.9U CN211629869U (en) | 2020-04-17 | 2020-04-17 | Grounding resistance cabinet of box-type power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020574176.9U CN211629869U (en) | 2020-04-17 | 2020-04-17 | Grounding resistance cabinet of box-type power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211629869U true CN211629869U (en) | 2020-10-02 |
Family
ID=72622307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020574176.9U Active CN211629869U (en) | 2020-04-17 | 2020-04-17 | Grounding resistance cabinet of box-type power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211629869U (en) |
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2020
- 2020-04-17 CN CN202020574176.9U patent/CN211629869U/en active Active
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