CN210669223U - Fixed switch board - Google Patents
Fixed switch board Download PDFInfo
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- CN210669223U CN210669223U CN201921990292.2U CN201921990292U CN210669223U CN 210669223 U CN210669223 U CN 210669223U CN 201921990292 U CN201921990292 U CN 201921990292U CN 210669223 U CN210669223 U CN 210669223U
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- pressure collecting
- switch board
- collecting bin
- cabinet body
- jet
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Abstract
The utility model discloses a fixed power distribution cabinet, which comprises a cabinet body, a heating component and a cooling device, wherein the cabinet body is internally provided with a holding space, the heating component and the cooling device are arranged in the holding space, and the heating component is arranged on the wall surface of the cabinet body; the cooling device comprises a pressure collecting bin and a plurality of jet impact pipes, the pressure collecting bin is wedge-shaped, a pressure collecting cavity is formed inside the pressure collecting bin, the jet impact pipes are installed on the pressure collecting bin, and the inside of the jet impact pipes is communicated with the pressure collecting cavity. The utility model discloses to the distribution condition of the inside heating element of switch board, it is internal in the cabinet of switch board directly to strike a plurality of efflux pipe row cloth to the efflux strikes the heating element side that the pipe just right offers a plurality of jet orifices, and cooling air presses storehouse collection pressure through the collection in proper order, and through the high-speed efflux of jet orifice to the surface of heating element, a plurality of jet orifices form a efflux impact matrix, and the direct effectual effect of air current is on heating element, thereby realizes the cooling to heating element.
Description
Technical Field
The utility model relates to a switch board technical field, concretely relates to fixed switch board.
Background
The power distribution cabinet comprises switch equipment, a measuring instrument, a protective electric appliance and auxiliary equipment which are assembled in a closed or semi-closed metal cabinet or on a screen. As is well known, one of the core technologies of power distribution cabinets is that when the power distribution cabinet is in operation, due to the generation of electric heat, the internal temperature of the high-low voltage power distribution cabinet rises, referred to as temperature rise, and the temperature rise seriously affects the service performance of the power distribution cabinet, even generates an electrical short-circuit accident, reduces the temperature in the high-low voltage power distribution cabinet, and is also a technical target pursued jointly by the power distribution industry. The past industry practice is: the air holes are formed in the door plate of the power distribution cabinet, the cooling effect is not obvious in the form, and natural heat dissipation is lack of convection conditions; meanwhile, the heat dissipation conditions required by the power distribution cabinet equipped with the current mechanical equipment are different, so that different mechanical equipment needs to be equipped with a special power distribution cabinet; at present, a power distribution cabinet suitable for various mechanical devices is not available.
The traditional closed switch cabinet has good closure, small animals are prevented from intruding, the safety of electric shock prevention is high, but the heat dissipation performance is greatly reduced due to good closure, particularly in hot summer, the outside temperature is high, heat generated by each element in the closed switch cabinet cannot be dissipated, the element is easily damaged due to high temperature, and the normal use is influenced. In order to solve radiating problem, partial switch board has set up the fan in and has cooled down, but the air current that the fan drove is difficult to reach near each component, and the in-process that the hot gas flow was forced to flow can be to electric elements reheating along the way moreover, and the radiating effect is poor. And in the process of wind dispersion and ventilation, the air flow organization can not directly impact heating elements and parts effectively, so the heat exchange efficiency of directly blowing air to the power distribution cabinet by adopting a single fan is lower in the traditional method.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a fixed switch board to improve switch board heat transfer effect.
A fixed power distribution cabinet comprises a cabinet body, a heating component and a cooling device, wherein an accommodating space is formed in the cabinet body, the heating component and the cooling device are arranged in the accommodating space, and the heating component is mounted on the wall surface of the cabinet body; the cooling device comprises a pressure collecting bin and a plurality of jet impact pipes, the pressure collecting bin is wedge-shaped, a pressure collecting cavity is formed in the pressure collecting bin, the jet impact pipes are arranged on the pressure collecting bin, and the insides of the jet impact pipes are communicated with the pressure collecting cavity; the jet impact pipe is provided with a plurality of jet holes, and the jet holes are arranged in a direction opposite to the heating component.
Preferably, an air inlet pipe is arranged on the pressure collecting bin.
Preferably, the air inlet pipe comprises a free end and a fixed end, and the fixed end is fixedly arranged on the pressure collecting bin; and the free end is provided with a plug, and the plug is detachably and fixedly connected with the air inlet pipe in a closed manner.
Preferably, the cabinet body is provided with a mounting hole, and the air inlet pipe penetrates through the mounting hole and is matched and fixed with the cabinet body; and a sealing ring is connected between the air inlet pipe and the mounting hole for sealing, and the containing space is isolated from the external space of the cabinet body.
Preferably, an axial flow fan is installed at the end part of the air inlet pipe of the pressure collecting bin.
Preferably, a centrifugal fan is installed at the end of the air inlet pipe of the pressure collecting bin.
Preferably, the cabinet body is provided with an exhaust hole, an exhaust pipe is installed at the exhaust hole, and a sealing ring is connected between the exhaust pipe and the exhaust hole and used for isolating the accommodating space from the external space of the cabinet body.
Preferably, the jet holes are arranged in a radial direction of the jet impact tube.
Preferably, the jet impact tube is a straight tube of equal diameter.
The beneficial effects of the utility model are embodied in: aiming at the distribution condition of heating components in a power distribution cabinet, a plurality of jet impact pipes are directly distributed in the cabinet body of the power distribution cabinet, a plurality of jet holes are formed in the side face, opposite to the jet impact pipes, of the heating components, cooling air is subjected to pressure collection through a pressure collection bin in sequence and is jetted to the surfaces of the heating components at high speed through the jet holes, the jet impact matrixes are formed by the plurality of jet holes, and airflow directly and effectively acts on the heating components, so that the heating components are cooled; compare with heat transfer radiating mode, the utility model provides a cooling device can reach the purpose to switch board rapid cooling, and the process of just cooling is high-efficient, has effectively ensured the safe effectual operation of switch board.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic view of an internal structure of a power distribution cabinet according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a cooling device according to an embodiment of the present invention.
In the attached figure, 10-cabinet body, 20-heating component, 30-pressure collecting bin, 101-exhaust hole, 102-mounting hole, 301-jet impact pipe, 302-air inlet pipe, 303-fan, 40-exhaust pipe, 3011-jet hole, 3012-free end, 3013-fixed end and 3014-plug.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
With reference to fig. 1 and 2, the present invention provides a fixed power distribution cabinet, which includes a cabinet body 10, a heating component 20 and a cooling device, wherein the cabinet body has an accommodating space therein, the heating component 20 and the cooling device are disposed in the accommodating space, and the heating component 20 is mounted on a wall surface of the cabinet body 10; the cooling device comprises a pressure collecting bin 30 and a plurality of jet flow impact pipes 301, wherein the pressure collecting bin 30 is wedge-shaped, a pressure collecting cavity is formed inside the pressure collecting bin 30, the jet flow impact pipes 301 are installed on the pressure collecting bin 30, and the insides of the jet flow impact pipes 301 are communicated with the pressure collecting cavity; the jet impact pipe 301 is provided with a plurality of jet holes 3011, and the jet holes 3011 are arranged in a direction opposite to the heating component 20.
It should be noted that the pressure collecting bin 30 is designed to collect pressure of air blown by the fan 303, so that the pressure of the air flow in the pressure collecting cavity inside the pressure collecting bin 30 tends to be stable, and the air flow is transmitted to the jet impact tube 301 through the pressure collecting bin 30 and then is jetted to the surface of the heating component 20 through the plurality of jet holes 3011, so that the air flow uniformly acts on the surface of the heating component 20, thereby improving the heat exchange efficiency.
Further, an air inlet pipe 302 is disposed on the pressure collecting bin 30.
Further, the air inlet pipe 302 comprises a free end 3012 and a fixed end 3013, and the fixed end 3013 is fixedly mounted on the pressure collecting bin 30; a plug 3014 is installed at the free end 3012, and the plug 3014 is detachably and fixedly connected with the air inlet pipe 302 in a closed manner.
The purpose of the plug 3014 is to make all the cooling air directly act on the heat generating component 20; on the other hand, the plug 3014 is detachably and fixedly connected with the air inlet pipe 302, and when the air inlet pipe 302 is abnormally blocked, the plug 3014 can be detached to perform blockage clearing treatment.
Further, a mounting hole 102 is formed in the cabinet 10, and the air inlet pipe 302 penetrates through the mounting hole 102 and is fixed to the cabinet 10 in a matching manner; a sealing ring is connected between the air inlet pipe 302 and the mounting hole 102 for sealing, so as to isolate the accommodating space from the external space of the cabinet 10.
In order to provide two different fan types, an axial flow fan 303 is arranged at the end part of the air inlet pipe 302 of the pressure collecting bin 30. In addition, the utility model can also adopt a centrifugal fan which can provide higher pressure head, namely, the end part of the air inlet pipe 302 of the pressure collecting bin 30 is provided with the centrifugal fan; centrifugal fan has higher pressure head, can make the air velocity of efflux hole 3011 efflux stronger to it is better to strengthen the heat transfer effect.
Further, a vent hole 101 is formed in the cabinet body 10, a vent pipe 40 is installed at the vent hole 101, and a seal ring is connected between the vent pipe 40 and the vent hole 101, so that the accommodating space is isolated from the external space of the cabinet body 10.
Further, the jet holes 3011 are arranged along the radial direction of the jet impact tube 301.
Further, the jet impact pipe 301 is a straight pipe with equal pipe diameter.
The beneficial effects of the utility model are embodied in: aiming at the distribution condition of heating components in a power distribution cabinet, a plurality of jet impact pipes are directly distributed in the cabinet body of the power distribution cabinet, a plurality of jet holes are formed in the side face, opposite to the jet impact pipes, of the heating components, cooling air is subjected to pressure collection through a pressure collection bin in sequence and is jetted to the surfaces of the heating components at high speed through the jet holes, the jet impact matrixes are formed by the plurality of jet holes, and airflow directly and effectively acts on the heating components, so that the heating components are cooled; compare with heat transfer radiating mode, the utility model provides a cooling device can reach the purpose to switch board rapid cooling, and the process of just cooling is high-efficient, has effectively ensured the safe effectual operation of switch board.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (9)
1. The utility model provides a fixed switch board which characterized in that: the cabinet comprises a cabinet body, a heating component and a cooling device, wherein an accommodating space is formed in the cabinet body, the heating component and the cooling device are arranged in the accommodating space, and the heating component is mounted on the wall surface of the cabinet body; the cooling device comprises a pressure collecting bin and a plurality of jet impact pipes, the pressure collecting bin is wedge-shaped, a pressure collecting cavity is formed in the pressure collecting bin, the jet impact pipes are arranged on the pressure collecting bin, and the insides of the jet impact pipes are communicated with the pressure collecting cavity; the jet impact pipe is provided with a plurality of jet holes, and the jet holes are arranged in a direction opposite to the heating component.
2. A stationary switch board according to claim 1, characterized in that: an air inlet pipe is arranged on the pressure collecting bin.
3. A fixed switch board according to claim 2, characterized in that: the air inlet pipe comprises a free end and a fixed end, and the fixed end is fixedly arranged on the pressure collecting bin; and the free end is provided with a plug, and the plug is detachably and fixedly connected with the air inlet pipe in a closed manner.
4. A fixed switch board according to claim 2, characterized in that: the cabinet body is provided with a mounting hole, and the air inlet pipe penetrates through the mounting hole and is matched and fixed with the cabinet body; and a sealing ring is connected between the air inlet pipe and the mounting hole for sealing, and the containing space is isolated from the external space of the cabinet body.
5. A fixed switch board according to claim 2, characterized in that: an axial flow fan is installed at the end part of the air inlet pipe of the pressure collecting bin.
6. A fixed switch board according to claim 2, characterized in that: and a centrifugal fan is arranged at the end part of the air inlet pipe of the pressure collecting bin.
7. A stationary switch board according to claim 1, characterized in that: the cabinet body is provided with an exhaust hole, an exhaust pipe is arranged at the exhaust hole, and a sealing ring is connected between the exhaust pipe and the exhaust hole and used for isolating the accommodating space from the external space of the cabinet body.
8. A stationary switch board according to claim 1, characterized in that: the jet hole is arranged along the radial direction of the jet impact pipe.
9. A stationary switch board according to claim 1, characterized in that: the jet impact pipe is a straight pipe with equal pipe diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990292.2U CN210669223U (en) | 2019-11-18 | 2019-11-18 | Fixed switch board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990292.2U CN210669223U (en) | 2019-11-18 | 2019-11-18 | Fixed switch board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210669223U true CN210669223U (en) | 2020-06-02 |
Family
ID=70822163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921990292.2U Active CN210669223U (en) | 2019-11-18 | 2019-11-18 | Fixed switch board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210669223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112928654A (en) * | 2021-01-27 | 2021-06-08 | 徐云霞 | Automatically controlled switch board with heat dissipation function |
-
2019
- 2019-11-18 CN CN201921990292.2U patent/CN210669223U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112928654A (en) * | 2021-01-27 | 2021-06-08 | 徐云霞 | Automatically controlled switch board with heat dissipation function |
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