CN211017989U - Low-voltage switch cabinet body - Google Patents

Low-voltage switch cabinet body Download PDF

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Publication number
CN211017989U
CN211017989U CN202020091996.2U CN202020091996U CN211017989U CN 211017989 U CN211017989 U CN 211017989U CN 202020091996 U CN202020091996 U CN 202020091996U CN 211017989 U CN211017989 U CN 211017989U
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CN
China
Prior art keywords
cabinet
door
rain
low
proof
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Active
Application number
CN202020091996.2U
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Chinese (zh)
Inventor
李勇
胡超
肖勇
施光军
张洁
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Tonghao Changsha Rail Traffic Control Technology Co ltd
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Tonghao Changsha Rail Traffic Control Technology Co ltd
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Publication date
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Priority to CN202020091996.2U priority Critical patent/CN211017989U/en
Application granted granted Critical
Publication of CN211017989U publication Critical patent/CN211017989U/en
Active legal-status Critical Current
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Abstract

The utility model discloses a low-voltage switch cabinet body, include the cabinet body and set up the cabinet door on the cabinet body, the top of cabinet body is equipped with rain-proof overhead guard, rain-proof overhead guard pass through the sealing member with the sealed butt joint of cabinet body, the lateral part of rain-proof overhead guard is equipped with the ventilation hole that has the filter screen, the top and the bottom of cabinet body are equipped with air outlet and air intake respectively, be equipped with ventilative filtration cotton on air intake and the air outlet, the air outlet with rain-proof overhead guard intercommunication and be equipped with the exhaust fan on it. The utility model discloses be equipped with rain-proof overhead guard at cabinet body top, all install ventilative filter pulp at air intake and air outlet department and prevent the dust to get into, the outside gas is pull down at the negative pressure of exhaust fan, and it is internal to get into the cabinet from cabinet body bottom, takes away the heat in the cabinet and constantly rises after, through the exhaust fan from the ventilation hole on the overhead guard outside the cabinet of finally discharging, not only can play the effect of heat dissipation cooling, it is internal that rainwater and dust are difficult for getting into the cabinet simultaneously, cabinet body protection level is high.

Description

Low-voltage switch cabinet body
Technical Field
The utility model relates to a cabinet body especially relates to a low-voltage switchgear body.
Background
The low-voltage complete switch cabinet has the functions of opening, closing, controlling and protecting a power supply loop in the power distribution process of a power system, and is mainly applied to various occasions such as power plants, transformer substations, municipal pipe galleries, industrial and mining enterprises, high-rise residential districts and the like. The low-voltage switch cabinet body is an important component of a low-voltage complete switch cabinet, and provides supporting, isolating and protecting functions for installation of electrical elements.
The existing low-voltage switch cabinet bodies disclosed in patents CN 201721682197.7, CN201520138364.6 and the like are mainly assembled by section bars, main frames, top covers, door panels, side panels, bases and cross beams. Four rings of section bar main frame top design for satisfy the transportation work demand of manufacturing plant and job site, nevertheless the transportation of cubical switchboard will cause certain trouble when the job site can't hoist. The cabinet body can set up many ventilation holes on the curb plate and the door plant of cubical switchboard in order to satisfy components and parts ventilation cooling requirement, and the setting up of ventilation hole can strengthen the circulation of the interior air of cabinet and the outside air of cabinet and play the effect of heat dissipation cooling, but also can reduce the protection level of the cabinet body simultaneously. The creepage distance and the insulating property of the elements in the cabinet can be reduced due to the entry of rainwater and dust, and discharge and short circuit faults are caused.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. Therefore, an object of the present invention is to provide a low-voltage switch cabinet with high heat dissipation performance and high protection level.
In order to solve the technical problem, the following technical scheme is adopted in the application:
the utility model provides a low-voltage switchgear body, includes the cabinet body and sets up the cabinet door on the cabinet body, the top of cabinet body is equipped with rain-proof overhead guard, rain-proof overhead guard pass through the sealing member with the sealed butt joint of cabinet body, the lateral part of rain-proof overhead guard is equipped with the ventilation hole that has the filter screen, the top and the bottom of cabinet body are equipped with air outlet and air intake respectively, be equipped with ventilative filtration cotton on air intake and the air outlet, the air outlet with rain-proof overhead guard intercommunication and be equipped with the exhaust fan on it.
Furthermore, a suction fan is arranged on the air inlet.
Furthermore, the top of the cabinet body is also provided with a hanging ring.
Furthermore, four vertex angles of the bottom of the cabinet body are provided with supporting seats.
Furthermore, the bottom of the cabinet body is provided with an inlet and outlet wire hole, and an elastic sheath is arranged on the inlet and outlet wire hole.
Furthermore, the cabinet door comprises an outer door which is installed on the cabinet body through a door hinge, a circle of flanges are arranged on a door frame of the cabinet body, the flanges face the outer door, extend outwards and are folded to form rain-sheltering folded edges, and a cavity which is used for avoiding the rain-sheltering folded edges is arranged on the inner side of the outer door.
Furthermore, the outer door and the door frame are sealed through adhesive tapes.
Further, the cabinet door further comprises an inner door mounted on the cabinet body through a door hinge.
Furthermore, a transparent observation window is arranged on the outer door, and a component mounting hole is arranged on the inner door.
Compared with the prior art, the utility model discloses the beneficial effect who has lies in:
the utility model discloses be equipped with the waterproof rain cover at cabinet body top, cabinet body bottom is equipped with the air intake, waterproof rain cover internally mounted exhaust fan, the ventilative filter pulp of the exhaust vent department installation of air intake and exhaust fan prevents the dust to get into, the outside gas is under the negative pressure traction of exhaust fan, it is internal to get into the cabinet from cabinet body bottom, it constantly rises after taking away the heat in the cabinet, through the exhaust fan from the ventilation hole on the overhead guard finally outside discharging the cabinet, not only can play the effect of heat dissipation cooling, it is internal that rainwater and dust are difficult for getting into the cabinet simultaneously, cabinet body protection level is high.
Drawings
Fig. 1 is a schematic structural view of a cabinet body;
FIG. 2 is a side sectional view of the cabinet;
FIG. 3 is a schematic sectional view taken along line A-A in FIG. 1;
FIG. 4 is a schematic sectional view taken along line B-B in FIG. 1;
fig. 5 is a partially enlarged view of the point I in fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, a low-voltage switch cabinet body comprises a cabinet body 1 and a cabinet door 2 arranged on the cabinet body 1, wherein a rain-proof top cover 3 is arranged above the cabinet body 1, the rain-proof top cover 3 is in sealed butt joint with the cabinet body 1 through sealing elements 4 such as sealing rings, an air outlet 5 and an air inlet 6 are respectively arranged at the top and the bottom of the cabinet body 1, air-permeable filter cotton 7 is arranged on the air outlet 5 and the air inlet 6, the air outlet 5 is communicated with the rain-proof top cover 3, an exhaust fan 8 is arranged on the air outlet 5 and the rain-proof top cover, and a ventilation hole 10 with a filter.
The rain-proof top cover 3 of this embodiment passes through bolt-up with cabinet body 1 and pastes the sealing member on the faying face and ensure that the cabinet physical stamina reaches higher protection level, has seted up ventilation hole 10 on the top cover, and ventilation hole 10 department installs the dustproof protection of first layer as ventilation channel of filter screen 9. The exhaust fan 8 is installed in rain-proof top cover 3, and air intake 6 sets up in cabinet body bottom, and air intake 6 and exhaust 8's air outlet department installation is ventilative to be crossed filter pulp 7, guarantees radiating in-process and can prevent that the outer dust of cabinet from getting into. Air intake 6, cabinet body inner chamber, exhaust fan 8, air outlet 5, ventilation hole 10 has constituted the radiating passage of the cubical switchboard body, the outside gas is under the negative pressure traction of exhaust fan 8, it is internal to get into the cabinet from cabinet body bottom, take away the heat in the cabinet and constantly rise, through exhaust fan 8 outside the final discharge cabinet of ventilation hole 10 on the rain-proof overhead guard 3, not only can play the effect of heat dissipation cooling, it is internal that rainwater and dust are difficult for getting into the cabinet simultaneously, cabinet body protection level is high.
Specifically, the top of the rain-proof top cover 3 can be designed to be tapered, which is similar to a rain-proof eave structure, and the slope design of the rain-proof top cover 3 can enable the switch cabinet to be applied to outdoor occasions.
Referring to fig. 1 and 2, in some embodiments, the cabinet door 2 may include an outer door 201 and an inner door 202 respectively mounted on the cabinet body 1 through door hinges, the outer door 201 is provided with a transparent viewing window 11, the inner door 202 is provided with component mounting holes, and components such as display instruments are mounted on the inner door 202, so that whether the instrument displays normally can be conveniently observed through the transparent viewing window 11 on the outer door 201. In addition, the structural design of the inner and outer double-layer doors can enable the cabinet body to be applied to the environment with higher pollution level.
Referring to fig. 5, it can be understood that, in practical applications, a circle of flanges may be disposed on a door frame of the cabinet body 1, the flanges extend towards the outer door 201 and then are folded outwards to form the rain shielding folded edge 12, and a cavity for avoiding the rain shielding folded edge 12 is disposed on an inner side of the outer door 201. This embodiment accessible transparent observation window 11 looks over components and parts state on the cabinet inner panel when outer door 201 closes, and sealing rubber strip 13 that outer door 201 inboard was pasting can guarantee between outer door 201 and the cabinet body seamless laminating, prevents that the dust from getting into the cabinet body, and the hem 12 that keeps off the rain on the cabinet body 1 can prevent that the rainwater from soaking the cabinet body along the frame.
It should be explained that, in order to increase the heat exchange speed in the cabinet, the air inlet 6 may be further provided with a suction fan 14, and the problem of large load and high heat generation in the low-voltage switch cabinet can be effectively solved by the way of the fan sucking down and sucking up for circulating strong cooling.
For the removal and the installation of the convenient cabinet body, can set up rings 15 at the top of cabinet body 1, in addition, four apex angle departments in the bottom of cabinet body 1 can set up supporting seat 16, and this embodiment cabinet physical stamina satisfies the requirement of going to hang and two kinds of different instruments of fork truck are transported.
Referring to fig. 4, in addition, in the practical design, an elastic sheath 17 can be installed on the wire inlet and outlet hole at the bottom of the cabinet body 1, the elastic sheath 17 is different from the traditional pagoda-shaped sheath, has high elasticity and aperture selectivity for nylon materials, and can be effectively sealed with the cable after being perforated according to the diameter of the cable without being plugged by using fireproof mud. And the vertical mounting beam 18 and the horizontal mounting beam 19 for mounting the electric elements in the cabinet body 1 are adjustable in the vertical and horizontal positions in the cabinet body 1, so that the electric elements can be flexibly mounted.
The above examples are merely illustrative of the present invention clearly and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Nor is it intended to be exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.

Claims (10)

1. The utility model provides a low-voltage switch cabinet body, includes cabinet body (1) and sets up cabinet door (2) on cabinet body (1), its characterized in that: the top of cabinet body (1) is equipped with rain-proof top cap (3), rain-proof top cap (3) through sealing member (4) with cabinet body (1) sealed butt joint, the top and the bottom of cabinet body (1) are equipped with air outlet (5) and air intake (6) respectively, be equipped with ventilative filtration cotton (7) on air intake (6) and air outlet (5), air outlet (5) with rain-proof top cap (3) intercommunication just is equipped with exhaust fan (8) on it, the lateral part of rain-proof top cap (3) is equipped with ventilation hole (10) that have filter screen (9).
2. The low-voltage switchgear body according to claim 1, characterized in that: and a suction fan (14) is arranged on the air inlet (6).
3. The low-voltage switchgear body according to claim 1, characterized in that: the top of the cabinet body (1) is also provided with a hanging ring (15).
4. The low-voltage switchgear body according to claim 1, characterized in that: four top corners at the bottom of the cabinet body (1) are provided with supporting seats (16).
5. The low-voltage switchgear body according to claim 1, characterized in that: the bottom of the cabinet body (1) is provided with an inlet and outlet wire hole, and an elastic sheath (17) is arranged on the inlet and outlet wire hole.
6. The low-voltage switchgear body according to claim 1, characterized in that: the top of the rain-proof top cover (3) is conical.
7. The low-voltage switchgear body according to any one of claims 1 to 6, characterized in that: the cabinet door (2) comprises an outer door (201) installed on the cabinet body (1) through a door hinge, a circle of blocking edge is arranged on a door frame of the cabinet body (1) and faces towards the outer door (201) after extending, the outer door is turned outwards to form a rain shielding folding edge (12), and the inner side of the outer door (201) is provided with a cavity which is used for avoiding the rain shielding folding edge (12).
8. The low-voltage switchgear body according to claim 7, characterized in that: the outer door (201) and the door frame are sealed through adhesive tapes.
9. The low-voltage switchgear body according to claim 7, characterized in that: the cabinet door (2) further comprises an inner door (202) mounted on the cabinet body (1) through a door hinge.
10. The low-voltage switchgear body according to claim 9, characterized in that: the outer door (201) is provided with a transparent observation window (11), and the inner door (202) is provided with a component mounting hole.
CN202020091996.2U 2020-01-16 2020-01-16 Low-voltage switch cabinet body Active CN211017989U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020091996.2U CN211017989U (en) 2020-01-16 2020-01-16 Low-voltage switch cabinet body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020091996.2U CN211017989U (en) 2020-01-16 2020-01-16 Low-voltage switch cabinet body

Publications (1)

Publication Number Publication Date
CN211017989U true CN211017989U (en) 2020-07-14

Family

ID=71476352

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020091996.2U Active CN211017989U (en) 2020-01-16 2020-01-16 Low-voltage switch cabinet body

Country Status (1)

Country Link
CN (1) CN211017989U (en)

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