CN219677929U - Forced circulation heat dissipation type closed switch cabinet - Google Patents
Forced circulation heat dissipation type closed switch cabinet Download PDFInfo
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- CN219677929U CN219677929U CN202321164686.9U CN202321164686U CN219677929U CN 219677929 U CN219677929 U CN 219677929U CN 202321164686 U CN202321164686 U CN 202321164686U CN 219677929 U CN219677929 U CN 219677929U
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- air chamber
- fan
- heat dissipation
- closed switch
- forced circulation
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Abstract
The utility model relates to a forced circulation heat dissipation type closed switch cabinet, belonging to the technical field of power transmission and distribution metal closed switch equipment; the device comprises a device frame, wherein an operating mechanism is arranged in the device frame and is connected with a switch component through a sealed insulating pull rod, the sealed insulating pull rod and the switch component are arranged in a fully-sealed air chamber, one side of the fully-sealed air chamber, which is far away from the operating mechanism, is provided with two flange type ball valves, one side of the two flange type ball valves, which is far away from the fully-sealed air chamber, is provided with a fan seal box, one side of the two fan seal boxes, which is far away from the flange type ball valves, is provided with a radiator main pipeline, a grid type radiating fin is arranged between the two radiator main pipelines, and the interior of the grid type radiating fin is hollow and is communicated with the two radiator main pipelines; an internal fan is arranged in the fan sealing box; the bottom end of the equipment frame is provided with a ventilation shutter, and the top end of the equipment frame is provided with an external fan. The utility model can effectively reduce the indoor temperature of the switch air chamber.
Description
Technical Field
The utility model belongs to the technical field of power transmission and distribution metal closed switch equipment, and particularly relates to a forced circulation heat dissipation type closed switch cabinet.
Background
The metal-enclosed switchgear can be classified into 2 kinds according to capacity, namely: a large capacity power transmission type and a small capacity power distribution type.
The high-capacity power transmission type electric switch is generally in a metal armor mode, rated current is larger than or equal to 630A, the external protection level of the switch compartment is generally IP2X, IP3X, IP X, the ventilation and heat dissipation effects are good, dust is easy to accumulate on the surface of a conductor, condensation is easy to occur in an environment with large day-night temperature difference and high humidity, high-voltage insulation surface discharge is serious, insulation aging is accelerated, insulation damage is caused under serious conditions, and an internal arcing fault of the switch occurs. In order to ensure the stable operation of the equipment, a purified operation room is generally required to be built, and equipment such as dehumidification, dust removal, air conditioning and the like is added.
The switch compartment is generally a stainless steel welded full-sealed air chamber or an epoxy resin poured full-sealed sealing body, the external protection level can reach IP65, IP66, IP67 and IP68, the switch device has the advantages of compact structure, dust prevention, condensation prevention, water prevention and the like, the operating environment is flexible, the switch device can be placed in a building and other rooms, and also can be placed in an outdoor switching station, the product is widely accepted and recommended, but the main surface of the switch device is naturally radiating, the radiating performance is poor, and the general rated current is less than or equal to 630A.
The fully-sealed structure has the advantages of resisting pollution environment and the like through comprehensive analysis of the situation, but has poor heat dissipation, and when the high capacity or rated current is more than or equal to 630A, the temperature rising effect of the fully-sealed structure cannot meet the use requirement, and the switch and the conductor can be overheated, and the insulating part is aged or melted.
Disclosure of Invention
The utility model aims to provide a forced circulation heat dissipation type closed switch cabinet so as to solve the technical problem of poor heat dissipation of a fully-sealed air chamber welded by stainless steel.
In order to achieve the above purpose, the specific technical scheme of the forced circulation heat dissipation type closed switch cabinet is as follows:
the utility model provides a forced circulation heat dissipation type closed switch cabinet, including equipment frame, set up operating device in the equipment frame, operating device is connected with the switch part through sealed insulating pull rod, sealed insulating pull rod and switch part all set up in the totally enclosed air chamber, totally enclosed air chamber keeps away from operating device and sets up two flange type ball valves with it relative one side, two flange type ball valves keep away from the totally enclosed air chamber one side all sets up the fan seal box, two fan seal boxes keep away from one side of flange type ball valve all is provided with the radiator trunk line, set up the grid type fin between two radiator trunk lines, the inside cavity of grid type fin is and communicate two radiator trunk lines; an internal fan is arranged in the fan sealing box;
the bottom end of the equipment frame is provided with a ventilation shutter, and the top end of the equipment frame is provided with an external fan; under the condition that the flange type ball valve is opened, an air circulation system surrounding the full-sealed air chamber, the fan sealing box, the radiator main pipeline and the grid type radiating fins is formed by taking the internal fan as a driving force, so that heat exchange between hot air and external cold air in the full-sealed air chamber is realized.
Further, a fully sealed air chamber is mounted in the middle of the equipment frame.
Further, a plurality of grid-type cooling fins are arranged in parallel between the main pipelines of the two radiators, and reinforcing ribs are welded between the grid-type cooling fins.
Further, a bracket is arranged at the bottom of the main pipeline of the radiator, and the bracket is fixed in the equipment frame.
Further, a three-phase bus sleeve is arranged at the top end of the switch component, and a three-phase outgoing cable is arranged at the bottom end of the switch component.
The forced circulation heat dissipation type closed switch cabinet has the following advantages: the utility model absorbs the structural advantages of the fully-sealed stainless steel welded air chamber, adds a grid-type radiator, utilizes the aerodynamic principle to drain the air in the air chamber into the grid-type radiator, and forms heat exchange by means of air flow so as to achieve the purpose of reducing the temperature in the air chamber.
Drawings
Fig. 1 is a schematic diagram of an internal structure of a forced circulation heat dissipation type closed switch cabinet according to the present utility model.
Fig. 2 is a partial cross-sectional view of fig. 1 at B.
Fig. 3 is a schematic view of the internal structure of fig. 1 seen from the direction a.
Fig. 4 is an internal top view of a forced circulation heat dissipation type closed switch cabinet of the present utility model.
The figure indicates: 1. an operating mechanism; 2. a sealed insulating pull rod; 3. a switching part; 4. a bus sleeve; 5. a fully sealed air chamber; 6. flange type ball valve; 7. an internal blower; 8. a fan seal box; 9. an external fan; 10. a main radiator pipe; 11. grid type cooling fin; 12. reinforcing ribs; 13. a bracket; 14. an outgoing cable; 15. an equipment frame; 16. a ventilation louver; C. cooling air; D. and (5) heating the air.
Detailed Description
For better understanding of the purpose, structure and function of the present utility model, a forced circulation heat dissipation type closed switch cabinet of the present utility model is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1-4, a forced circulation heat dissipation type closed switch cabinet comprises an operating mechanism 1, wherein the operating mechanism 1 is connected with a switch component 3 through a sealed insulation pull rod 2 and controls opening and closing of the switch component, a bus sleeve 4 can be connected with other cabinet bodies in parallel to realize power grid connection, and an outgoing cable 14 is connected with a next-stage power grid in series to realize power control and protection.
Wherein, flange ball valve 6 is fixed with totally enclosed air chamber 5 and fan seal box 8 through the flange, install inside fan 7 in the fan seal box 8, wherein top inside fan 7 is close to flange ball valve 6 and installs near radiator trunk line 10, the inside fan 7 of bottom is close to the installation of radiator trunk line 10, the direction of drawing "→" is the flow direction of gas in the totally enclosed air chamber 5 after starting inside fan 7, leave the space at the air outlet of inside fan 7 for inside gas flow is more smooth and easy, fan seal box 8 adopts welding process to be connected with radiator trunk line 10, radiator trunk line 10 adopts welding process to be connected with grid type fin 11, grid type fin 11 is inside "cavity" structure, structural schematic view after the welding is seen in "figure 2".
In summary, when the flange ball valve 6 is opened, the internal fan 7 is used as driving force to form a fully-sealed forced gas acceleration circulation system in which the fully-sealed air chamber 5, the fan seal box 8, the radiator main pipe 10 and the grid type cooling fins 11 are communicated, and the heat exchange between the gas in the fully-sealed air chamber 5 and the external air is realized by utilizing the 'chimney effect' formed by the gaps of the grid type cooling fins 11, and the external protection level of the 'circulation system' can reach IP65 or above.
In addition, the bracket 13 is connected with the main radiator pipe 10 by bolts, and plays a supporting role. The equipment frame 15 is a shell part of the switching equipment, supports the switching equipment, protects surrounding people and equipment, is connected with a foundation in a positioning way, is provided with a ventilation shutter at the lower part of front and rear door plates of the equipment frame 15, is provided with an external fan 9 at the top of a grid-type cooling fin 11, and can be selectively started according to the load operation condition, so that the air flow and heat exchange can be accelerated, the temperature in a switching air chamber can be reduced, and the load capacity of the switching equipment can be improved.
In the utility model, the internal fan 7 is used as driving force to accelerate the gas in the fully-sealed air chamber 5 to finish heat exchange on the surface of the grid-type radiating fins 11, thereby realizing the purpose of forced circulation and heat dissipation.
It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. The utility model provides a forced circulation heat dissipation type closed switch cabinet, including equipment frame (15), set up operating device (1) in equipment frame (15), operating device (1) are connected with switch part (3) through sealed insulating pull rod (2), sealed insulating pull rod (2) and switch part (3) all set up in totally enclosed air chamber (5), a serial communication port, totally enclosed air chamber (5) keep away from operating device (1) and with it one side that is opposite sets up two flange ball valves (6), one side that totally enclosed air chamber (5) were kept away from to two flange ball valves (6) all sets up fan seal box (8), one side that flange ball valve (6) were kept away from to two fan seal boxes (8) all is provided with radiator trunk line (10), set up grid fin (11) between two radiator trunk lines (10), grid fin (11) inside cavity and communicate two radiator trunk lines (10); an internal fan (7) is arranged in the fan sealing box (8);
a ventilation louver (16) is arranged at the bottom end of the equipment frame (15), and an external fan (9) is arranged at the top end of the equipment frame (15); under the condition that the flange type ball valve (6) is opened, an air circulation system surrounding the full-sealed air chamber (5), the fan sealing box (8), the radiator main pipeline (10) and the grid type radiating fins (11) is formed by taking the internal fan (7) as a driving force, so that heat exchange between hot air and external cold air in the full-sealed air chamber (5) is realized.
2. The forced circulation heat dissipation type closed switch cabinet according to claim 1, wherein the totally enclosed air chamber (5) is installed in the middle of the equipment frame (15).
3. The forced circulation heat dissipation type closed switch cabinet according to claim 1, wherein a plurality of grid type heat dissipation plates (11) are arranged in parallel between two radiator main pipes (10), and reinforcing ribs (12) are welded between the plurality of grid type heat dissipation plates (11).
4. The forced circulation heat dissipation type closed switch cabinet according to claim 1, wherein a bracket (13) is arranged at the bottom of the main radiator pipe (10), and the bracket (13) is fixed in the equipment frame (15).
5. The forced circulation heat dissipation type closed switch cabinet according to claim 1, wherein the top end of the switch component (3) is provided with a three-phase bus sleeve (4), and the bottom end is provided with a three-phase outgoing cable (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321164686.9U CN219677929U (en) | 2023-05-15 | 2023-05-15 | Forced circulation heat dissipation type closed switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321164686.9U CN219677929U (en) | 2023-05-15 | 2023-05-15 | Forced circulation heat dissipation type closed switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219677929U true CN219677929U (en) | 2023-09-12 |
Family
ID=87928330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321164686.9U Active CN219677929U (en) | 2023-05-15 | 2023-05-15 | Forced circulation heat dissipation type closed switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219677929U (en) |
-
2023
- 2023-05-15 CN CN202321164686.9U patent/CN219677929U/en active Active
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