CN211208980U

CN211208980U - Electric structure with high-efficient heat dissipation function

Info

Publication number: CN211208980U
Application number: CN202020181441.7U
Authority: CN
Inventors: 黄伟宏; 黄陈庭; 许健辉
Original assignee: Guangdong Bai Lin Electrical Equipment Factory Co ltd
Current assignee: Guangdong Bai Lin Electrical Equipment Factory Co ltd
Priority date: 2020-02-18
Filing date: 2020-02-18
Publication date: 2020-08-07
Anticipated expiration: 2030-02-18

Abstract

The utility model discloses an electric structure with high-efficient heat dissipation function sets up the heat dissipation department at the source that generates heat of cubical switchboard, including the framework, the outer terminal surface of framework can dismantle outward and be connected with the shield, the outer terminal surface interpolation of framework is provided with a plurality of rows of medium heat transfer passageways, the joint is provided with water conservancy diversion heat dissipation baffle between the medium heat transfer passageway, water conservancy diversion heat dissipation baffle is the wave form heating panel; the utility model discloses an increase medium heat transfer passageway in heat sink department and dispel the heat to the heat sink, still be provided with water conservancy diversion heat dissipation baffle between medium heat transfer passageway, further strengthen water conservancy diversion heat exchange efficiency, be provided with the shield simultaneously and correspond the passageway that is provided with the air vent of intercommunication on the shield, can not influence radiating going on when preventing that outside impurity from getting into box inside, improved the heat dissipation rate, alleviated the radiating pressure of heat sink.

Description

Electric structure with high-efficient heat dissipation function

Technical Field

The utility model relates to a block terminal technical field, in particular to electric structure with high-efficient heat dissipation function.

Background

The distribution box is a low-voltage distribution box formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement. In normal operation, the circuit can be switched on or off by means of a manual or automatic switch. When the fault or abnormal operation occurs, the circuit is cut off or an alarm is given by the aid of the protective electric appliance. The measuring instrument can display various parameters in operation, and can also adjust some electrical parameters to prompt or send out signals for deviation from normal working state. The low-voltage electrical apparatus in the distribution box, by fuse, ac contactor, residual current action protector, condenser and strapping table, etc. The upper limit of the ambient air temperature does not exceed 40 ℃; the average value of the ambient air temperature for 24h does not exceed 35 ℃; the lower limit of the ambient air temperature is not lower than-5 ℃ or-25 ℃. The distribution box modified by the rural power grid operates outdoors, not only can be directly irradiated by sunlight to generate high temperature, but also can generate heat during operation, so that the temperature in the box body can reach more than 60 ℃ in high-temperature seasons in summer, the temperature at the moment greatly exceeds the environmental temperature specified by the electric appliances, and the service life of each circuit component in the distribution box is influenced.

Some equipment have adopted equipment that can dispel the heat such as heat dissipation fan to carry out forced convection heat dissipation, fin radiation heat dissipation, cooling tube heat dissipation and water-cooling heat dissipation etc. among the prior art, if lack relevant device at the thermovent and carry out the water conservancy diversion heat dissipation, firstly make impurity etc. get into the cabinet internal through the thermovent easily, secondly if do not carry out the water conservancy diversion at thermovent, produce the thermal-arrest effect easily, further damage the circuit components and parts in the box.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that exists among the above-mentioned prior art, provide an electric structure with high-efficient heat dissipation function, improve the rate of heat dissipation when preventing that impurity from getting into box inside, alleviate the radiating pressure of thermovent.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an electric structure with high-efficient heat dissipation function, sets up in the heat dissipation department in the source that generates heat of cubical switchboard, includes:

the heat exchanger comprises a frame body, wherein the inner end surface of the frame body extends outwards to form a hem, the hem is provided with a mounting hole and is detachably connected with a heat dissipation port through the mounting hole, the outer end surface of the frame body is detachably connected with a dust cover, a plurality of rows of medium heat exchange channels are inserted in the outer end surface of the frame body, two ends of each medium heat exchange channel are inserted in the side wall of the frame body, the head parts of the medium heat exchange channels are communicated with the head parts of the front row of medium heat exchange channels, the tail parts of the medium heat exchange channels are communicated with the tail parts of the rear row of medium heat exchange channels, the tail parts of the first row of medium heat exchange channels are connected with a cooling medium inlet, the tail parts of the last row of medium heat exchange channels are connected with a cooling medium outlet, the cooling medium inlet and the cooling medium outlet, the diversion heat dissipation partition plate is a wave-shaped heat dissipation plate; and

and the end face of the dustproof cover is provided with a ventilation channel communicated with the space of the frame body.

Furthermore, the flow guide heat dissipation partition plate is a corrugated plate structure with a plurality of wave crests and wave troughs which are sequentially connected.

Furthermore, the wave crests and the wave troughs are in arc transition connection.

Further, the ventilation channel is a plurality of strip-shaped long holes.

Furthermore, the dustproof cover is provided with a connecting boss protruding inwards, a plurality of vent holes are formed in the connecting boss, a plurality of rows of strip-shaped check blocks are formed on the outer end face of the dustproof cover outwards, the cross sections of the strip-shaped check blocks are triangular, and the upper end faces of the strip-shaped check blocks incline downwards so that the vent holes are communicated with the outside and the inner space of the frame body to form a vent channel.

Furthermore, an empty groove body is arranged in the strip-shaped check block and communicated with the vent hole to form a vent channel.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an increase medium heat transfer passageway in heat sink department and dispel the heat to the heat sink, still be provided with water conservancy diversion heat dissipation baffle between medium heat transfer passageway, further strengthen water conservancy diversion heat exchange efficiency, be provided with the shield simultaneously and correspond the passageway that is provided with the air vent of intercommunication on the shield, can not influence radiating going on when preventing that outside impurity from getting into box inside, improved the heat dissipation rate, alleviated the radiating pressure of heat sink.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a schematic perspective view of an embodiment of the present invention with the dust cap 00 removed;

FIG. 3 is a schematic view of the rear view of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3A;

FIG. 5 is an enlarged view of a portion of FIG. 4 at B;

FIG. 6 is a schematic view of the forward structure of FIG. 2;

fig. 7 is a schematic structural diagram of the dust cap 00 according to an embodiment of the present invention;

fig. 8 is a schematic structural view of another dust cap 00 according to an embodiment of the present invention;

FIG. 9 is a schematic perspective view of the other side of FIG. 8;

FIG. 10 is a side sectional schematic view of FIG. 8;

FIG. 11 is a side sectional schematic view in further side section on the basis of FIG. 10;

fig. 12 is a sectional view of the bottom side of fig. 8.

Description of reference numerals:

00. the dustproof cover comprises a 001, a strip-shaped long hole, 01, a connecting boss, 011, a vent hole, 021, a strip-shaped stop block, 0211, a hollow groove body, 10, a frame body, 20, a cooling medium inlet, 30, a cooling medium outlet, 40, a medium heat exchange channel, 50, a flow guide heat dissipation partition plate, 501, wave crests, 502 and wave troughs.

Detailed Description

In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.

As shown in fig. 1 to 3, the embodiment of the utility model provides an electric structure with high-efficient heat dissipation function sets up in the heat dissipation department in the source that generates heat of cubical switchboard, include:

a frame body 10, an inner end surface of the frame body 10 extends outward to form a folded edge, the folded edge is provided with a mounting hole and is detachably connected with a heat sink through the mounting hole, an outer end surface of the frame body 10 is detachably connected with a dust cap 00, a plurality of rows of medium heat exchange channels 40 are inserted into the outer end surface of the frame body 10, as shown in fig. 6 (for conveniently displaying structural content, a schematic diagram is shown by breaking), two ends of the medium heat exchange channels 40 are inserted into a side wall of the frame body 10, the head of each medium heat exchange channel 40 is communicated with the head of the preceding row of medium heat exchange channels 40, the tail of each medium heat exchange channel 40 is communicated with the tail of the following row of medium heat exchange channels 40, the tail of the first row of medium heat exchange channels 40 is connected with a cooling medium inlet 20, the tail of the last row of medium heat exchange channels 40 is connected with a cooling medium outlet 30, the cooling medium inlet 20 and the cooling medium outlet, flow guide heat dissipation partition plates 50 are clamped between the medium heat exchange channels 40, and the flow guide heat dissipation partition plates 50 are wave-shaped heat dissipation plates; and

the dustproof cover 00 is characterized in that the end face of the dustproof cover 00 is provided with a ventilation channel which is communicated with the space of the frame body 10.

In the above technical scheme, the cooling medium inlet 20 and the cooling medium outlet 30 are arranged at the same side, so that the time that the cooling medium stays on the medium heat exchange pipeline is prolonged, the utilization rate of the cooling medium is improved, the time of contact with heat is prolonged, meanwhile, the mutual interference of hot air flow is reduced by the flow guide heat dissipation partition plate 50, the hot air flow distributed in the box body is distributed and dissipated uniformly as much as possible, the heat is combined with the cooling medium at the same time, the efficient heat dissipation is realized, and the cooling medium can be a medium which can perform cooling heat exchange, such as water and the like.

In specific implementation, in order to further perform flow guiding and heat dissipating, as shown in fig. 4, the flow guiding and heat dissipating partition plate 50 is a corrugated plate structure in which a plurality of wave crests 501 and wave troughs 502 are sequentially connected.

In specific implementation, as shown in fig. 5, in order to prevent the heat collection effect at the corner, the peak 501 and the valley 502 are connected by an arc transition.

In specific implementation, as shown in fig. 7, the ventilation channels are a plurality of long bar-shaped holes 001, and are communicated with the inside of the frame body 10, so as to facilitate heat dissipation.

In specific implementation, on the basis of the above embodiment, the dust cap 00 is further improved, as shown in fig. 8 and 9, the dust cap 00 has a connecting boss 01 formed to protrude inward, a plurality of vent holes 011 are provided in the connecting boss 01, a plurality of rows of bar-shaped stoppers 021 are formed on the outer end surface of the dust cap 00 outward, as shown in fig. 10, the cross section of each bar-shaped stopper 021 is triangular, and the upper end surface of each bar-shaped stopper 021 is inclined downward, so that the vent holes 011 communicate with the outside and the inner space of the frame 10 to form a vent channel. Simultaneously, the bar dog 021 of slope can form to a certain extent and shelter from, prevents that impurity from falling into inside the box. The dust cover 00 is provided with a mounting hole so as to be conveniently mounted on the electric structure in a detachable mode such as a screw.

In specific implementation, in order to further improve the heat dissipation efficiency, as shown in fig. 11 and 12, an empty slot 0211 is disposed in the bar-shaped stopper 021, and the empty slot 0211 is communicated with the vent 011 to form a vent channel.

The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the embodiments, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.

Claims

1. The utility model provides an electric structure with high-efficient heat dissipation function, sets up the heat dissipation department in the source that generates heat of cubical switchboard, its characterized in that includes:

the heat exchanger comprises a frame body (10), wherein an inner end face of the frame body (10) extends outwards to form a folded edge, a mounting hole is formed in the folded edge and is detachably connected with a heat dissipation opening through the mounting hole, a dust cover (00) is detachably connected to the outer end face of the frame body (10), a plurality of rows of medium heat exchange channels (40) are inserted into the outer end face of the frame body (10), two ends of each medium heat exchange channel (40) are inserted into the side wall of the frame body (10), the head of each medium heat exchange channel (40) is communicated with the head of the front row of medium heat exchange channels (40), the tail of each medium heat exchange channel (40) is communicated with the tail of the rear row of medium heat exchange channels (40), the tail of the first row of medium heat exchange channels (40) is connected with a cooling medium inlet (20), and the tail of the last row of medium heat exchange channels (40), the cooling medium inlet (20) and the cooling medium outlet (30) are respectively inserted and arranged on the side wall of the frame body (10) at the same side, a flow guide heat dissipation partition plate (50) is clamped between the medium heat exchange channels (40), and the flow guide heat dissipation partition plate (50) is a wave-shaped heat dissipation plate; and

the dustproof cover (00), the dust cover (00) terminal surface has the ventilation channel who communicates with frame (10) space.

2. An electrical structure with high efficiency heat dissipation function as set forth in claim 1, wherein: the flow-guiding heat-dissipation partition plate (50) is of a corrugated plate structure formed by sequentially connecting a plurality of wave crests (501) and wave troughs (502).

3. An electrical structure with high efficiency heat dissipation function as set forth in claim 2, wherein: the wave crest (501) and the wave trough (502) are in arc transition connection.

4. An electrical structure with high efficiency heat dissipation function as set forth in claim 1, wherein: the ventilation channel is a plurality of strip-shaped long holes (001).

5. An electrical structure with high efficiency heat dissipation function as set forth in claim 1, wherein: the dustproof cover (00) is provided with a connecting boss (01) which is formed by inward protrusion, a plurality of vent holes (011) are arranged in the connecting boss (01), a plurality of rows of strip-shaped check blocks (021) are formed outside the outer end face of the dustproof cover (00), the cross sections of the strip-shaped check blocks (021) are triangular, and the upper end faces of the strip-shaped check blocks (021) are inclined downwards so that the vent holes (011) are communicated with the outside and the inner space of the frame body (10) to form a vent channel.

6. An electrical structure with high heat dissipation function as set forth in claim 5, wherein: an empty groove body (0211) is arranged in the strip-shaped stop block (021), and the empty groove body (0211) is communicated with the vent hole (011) to form a vent channel.