CN217469236U

CN217469236U - Be applied to ventilation, heat radiation structure of looped netowrk cabinet

Info

Publication number: CN217469236U
Application number: CN202220996739.2U
Authority: CN
Inventors: 肖波; 何祖谦; 杨平; 杨运富
Original assignee: Guizhou Changtong Electric Co ltd
Current assignee: Guizhou Changtong Electric Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-09-20
Anticipated expiration: 2032-04-26

Abstract

The application relates to the field of distribution equipment, and particularly discloses a ventilation and heat dissipation structure applied to a ring main unit, which comprises the ring main unit and a fan, wherein a ventilation opening is formed in the top end of the side wall of the ring main unit, and the fan is arranged on a top plate of the ring main unit; the vent department sets up netted board, and the extension direction of the looped netowrk cabinet body is vertical direction, and netted board axis direction is horizontal, and vertical slip can be followed to netted board. Has the advantages that: the problem that a fan is installed in a narrow space and the problem of slow heat dissipation is solved; prevent debris from blowing into the ring main unit.

Description

Be applied to ventilation, heat radiation structure of looped netowrk cabinet

Technical Field

The utility model relates to a distribution equipment field, concretely relates to be applied to ventilation, heat radiation structure of looped netowrk cabinet.

Background

The ring network is a ring distribution network, namely a power supply main line forms a closed ring, a power supply supplies power to the ring main line, and the power is distributed outwards from the main line through a high-voltage switch all the way. This has the advantage that each power distribution branch can be supplied with power from both its left and right side rails. When the left main line fails, the left main line is continuously supplied with power from the right main line, and when the right main line fails, the right main line is continuously supplied with power from the left main line, so that the utility of the total power supply is similar to that of the two-way power supply, although the total power supply is one-way power supply, and the reliability of the power supply is improved.

The ring main unit is a switch cabinet (outlet switch cabinet) arranged on each power distribution branch, and a bus of the switch cabinet is a part of a ring main line at the same time. That is, the ring trunk is formed by connecting the buses of each outlet cabinet. Every outgoing line cabinet is called as a ring main unit. Actually, the meaning of the ring network cannot be seen when one ring main unit is taken out independently.

The rated current of the ring main units is not large, so that the high-voltage switch of the ring main unit generally adopts a high-voltage load switch with a high-voltage fuse, which has a simple structure, instead of a breaker with a complex structure. That is, the high voltage switch in the ring main unit is generally a load switch. The ring main unit uses the load switch to operate normal current, and uses the fuse to cut off short-circuit current, and the combination of the two can replace the circuit breaker. This is of course limited to a certain capacity.

The switch cabinet can be completely used in a distribution system with a non-ring network structure, so that with the wide application of the switch cabinet, the ring network cabinet breaks out of the ring network distribution category and generally refers to a high-voltage switch cabinet taking a load switch as a main switch. The ventilation and heat dissipation structure for the ring main unit in the scheme can be applied to the switch cabinet.

The looped netowrk cabinet can produce the heat in normal work, if not in time dispel the heat can lead to components and parts overheated burnout, ventilation, heat radiation structure among the prior art set up the fan at the internal setting of cabinet usually, set up cooling grid on the cabinet body and dispel the heat, but looped netowrk cabinet space is narrow and small, the installation fan difficulty, cooling grid's air volume is limited, dispels the heat slow etc. all are the problems that need solve. This scheme designs a ventilation, heat radiation structure for looped netowrk cabinet, has overcome installation fan in the narrow and small space and has dispelled the heat slower problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applied to ventilation, heat radiation structure of looped netowrk cabinet to install the fan in overcoming narrow and small space and solve the slow problem of heat dissipation and can prevent that debris from blowing in.

The basic scheme is as follows: a ventilation, heat radiation structure who is applied to looped netowrk cabinet: the ring main unit comprises a ring main unit and a fan, wherein a vent is arranged at the top end of the side wall of the ring main unit, and the fan is arranged on a top plate of the ring main unit; the vent department sets up netted board, and the extension direction of the looped netowrk cabinet body is vertical direction, and netted board axis direction is horizontal, and vertical slip can be followed to netted board.

Has the advantages that: the problem that a fan is installed in a narrow space and the problem of slow heat dissipation is solved; prevent debris from blowing into the ring main unit.

The first preferred scheme is as follows: as the further optimization to the basic scheme, the vent setting position on the ring main unit is provided with a sliding groove, two ends of the reticular plate are provided with sliding balls capable of transversely stretching, and the reticular plate vertically slides in the sliding groove. The mesh plate is slidably disposed to cover and uncover the vent.

The preferred scheme II comprises the following steps: as a further optimization of the first preferred embodiment, concave slots 220 are arranged at the top end and the bottom end of the sliding chute, and the sliding balls transversely extend out and are clamped in the concave slots 220 to fix the mesh plate. The engagement of the female slots 220 and the sliding balls allows the web to be secured at the top and bottom.

The preferable scheme is three: as a further optimization of the second preferred scheme, a front door top door and a rear door top door which can be opened and closed are arranged at two ends of the ventilation opening of the ring main unit body. The ventilation can be increased after the front door top door and the rear door top door are opened.

The preferable scheme is four: as a further optimization to the preferred scheme three, an accommodating cavity with an upward opening is arranged on the side wall of the ring main unit. The accommodation cavity is used for accommodating the reticular plate.

The preferable scheme is five: as a further optimization of the preferable scheme four, the ring main unit comprises a control chamber and a high-pressure chamber, the control chamber is located above the high-pressure chamber, the top end of the control chamber is open, the width of a bottom plate of the control chamber is smaller than that of the ring main unit, and the bottom plate of the control chamber is used as a top plate of the high-pressure chamber. The high pressure chamber and the control chamber are both provided with open parts, and ventilation can be performed.

Drawings

Fig. 1 is a left side view of embodiment 1 of the present invention;

FIG. 2 is an enlarged view of the indicated portion of FIG. 1 in accordance with the present invention;

fig. 3 is a left side view of embodiment 2 of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the ring main unit 10, the control room 101, the high-pressure chamber 102, the front door top door 11, the rear door top door 12, the top plate 14, the ventilation opening 20, the side wall 13, the side wall frame 130, the accommodating cavity 131, the mesh plate 21, the stretching handle 210, the sliding groove 22, the concave clamping groove 220 and the fan 30.

Example 1:

the embodiment is basically as shown in the attached figures 1-2: the ring main unit comprises a ring main unit 10 and a fan 30, wherein ventilation openings 20 are arranged above side walls 13 at the left end and the right end of the ring main unit 10, ventilation openings are not arranged at the front surface and the rear surface of the ring main unit, and the side walls are the left side wall and the right side wall; the side wall frames 130 at the left and right sides of the ventilation opening 20 are provided with chutes 22 which are vertically arranged; the fan 30 is arranged on the top plate 14 of the ring main unit 10; the vent 20 department sets up netted board 21, and the left and right sides and the spout sliding connection of netted board, netted board 21 can slide along vertical direction.

An opening is formed in the upper portion of a side wall 13 of the ring main unit 10 to serve as a ventilation opening 20, a rear door and a front door of the ring main unit 10 are respectively arranged at the left end and the right end of the opening, an openable front door top door 11 and an openable rear door top door 12 are arranged at positions above the front door and the rear door and corresponding to the ventilation opening 20, and the front door top door 11 and the rear door top door 12 can be connected with the cabinet body through hinge hinges to be opened and closed; the front and rear door

top doors

11 and 12 of fig. 1 are slightly opened and closed, and are conveniently referred to the side wall frame 130. When the temperature in the cabinet body is high and a large amount of ventilation is needed for heat dissipation, the front door top door 11 and the rear door top door 12 can be opened to enhance ventilation.

An accommodating cavity 131 with an upward opening is formed in the side wall 13 of the ring main unit 10, the upper portion of the side wall is hollow, and the accommodating cavity 131 is used for accommodating the reticular plate 21; the vertical spout 22 of side wall frame 130 top vent 20 department installation, the bottom and the top of spout 22 all set up concave draw-in groove 220, and the gliding pearl is installed to the left and right sides of reticular lamina 21, and the gliding pearl passes through the spring to be connected with reticular lamina 21, and the structure of being connected similar steel ball spring of traveller and spring can stretch out and draw back. When the ventilation opening 20 is not shielded by the mesh plate 21, the sliding balls on the mesh plate 21 extend out to be clamped in the concave clamping grooves 220 at the bottom end of the sliding groove 22, and the mesh plate 21 is positioned in the accommodating cavity 131; when the vent 20 needs the mesh plate 21 to shield, the mesh plate is stretched upwards to stretch the handle 210, the sliding balls are stressed to shrink and can be smoothly separated from the concave clamping groove 220 at the bottom end, the mesh plate 21 is pulled to the concave clamping groove 220 at the top end of the sliding groove 22, and the sliding columns are clamped in the concave clamping grooves 220. The mesh plate 21 is used for preventing sundries such as leaves from blowing into the ring main unit 10 in windy weather.

Example 2:

the ring main unit 10 is generally provided with a plurality of boxes according to different functions, for example, the upper part is provided with a control room 101, the lower part is provided with a high-pressure chamber 102, and instruments in the control room 101 are electrically connected with equipment in the lower high-pressure chamber 102.

As shown in fig. 3, the difference between the embodiment 2 and the embodiment 1 is that the ring main unit 10 is not of a single-chamber design, and includes a control chamber 101 and a high-pressure chamber 102, and the top end of the control chamber 101 is not sealed and is in an open state. The bottom plate of the control chamber 101 and the top plate 14 of the high pressure chamber 102 are the same plate, the bottom plate of the control chamber 101 does not extend to the rear side plate, the upper part of the high pressure chamber 102 is open, and the rear part of the high pressure chamber penetrates through the whole cabinet body.

The fan 30 can dissipate heat from the control chamber 101 and the high-pressure chamber 102.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a be applied to ventilation, heat radiation structure of looped netowrk cabinet which characterized in that: the ring main unit comprises a ring main unit and a fan, wherein a vent is arranged at the top end of the side wall of the ring main unit, and the fan is arranged on a top plate of the ring main unit; the vent department sets up netted board, and the extension direction of the looped netowrk cabinet body is vertical direction, and netted board axis direction is horizontal, and vertical slip can be followed to netted board.

2. The ventilation and heat dissipation structure applied to the ring main unit according to claim 1, wherein: the vent sets up the spout on the looped netowrk cabinet, netted board both ends set up the smooth ball that can transversely stretch out and draw back, and netted board is vertical in the spout and slides.

3. The ventilation and heat dissipation structure applied to the ring main unit according to claim 2, wherein: concave clamping grooves are formed in the top end and the bottom end of the sliding groove, and the sliding balls transversely extend out to be clamped in the concave clamping grooves to fix the meshed plates.

4. The ventilation and heat dissipation structure applied to the ring main unit according to claim 2, wherein: two ends of the ventilation opening of the ring main unit body are provided with a front door top door and a rear door top door which can be opened and closed.

5. The ventilation and heat dissipation structure applied to the ring main unit according to claim 3, wherein: an accommodating cavity with an upward opening is formed in the side wall of the ring main unit.

6. The ventilation and heat dissipation structure applied to the ring main unit according to claim 1, wherein: the ring main unit comprises a control chamber and a high-pressure chamber, the control chamber is positioned above the high-pressure chamber, the top end of the control chamber is open, the width of a bottom plate of the control chamber is smaller than that of the ring main unit, and the bottom plate of the control chamber is used as a top plate of the high-pressure chamber.