CN210328403U

CN210328403U - Waterproof self-circulation heat dissipation control box

Info

Publication number: CN210328403U
Application number: CN201921135523.1U
Authority: CN
Inventors: 龙新良
Original assignee: Guangzhou Wellthinker Automation Technology Co ltd
Current assignee: Guangzhou Wellthinker Automation Technology Co ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-04-14
Anticipated expiration: 2029-07-18

Abstract

The utility model relates to a control box technical field, concretely relates to waterproof type self-loopa heat dissipation control box, include: a control box main body; the closed cover is arranged at the top end of the control box main body, the closed cover extends outwards relative to the control box main body to form a fixed block with a cavity, and a cooling fan is arranged at the bottom of the fixed block; and the radiator is communicated with the control box main body and the fixed block, and a radiating air channel is formed between the radiator and the fixed block. The utility model discloses a waterproof type self-loopa heat dissipation control box installs radiator fan additional in the radiator top, adopts the extrinsic cycle radiating mode, and the box is inside not to have fan cooling, avoids the control box to receive the influence of dust and humid environment, also is convenient for wash simultaneously and maintains.

Description

Waterproof self-circulation heat dissipation control box

Technical Field

The utility model relates to a control box technical field, concretely relates to waterproof type self-loopa heat dissipation control box.

Background

The key of whether the frequency conversion driving module can work normally lies in heat dissipation, if the heat dissipation is not good, the power can be reduced sharply, and even the frequency conversion driving module cannot work normally. The mounting means utilizes air conditioning unit's condensation fan heat dissipation in present conventional control box, just needs to install the air outlet at the condensation fan with frequency conversion drive module, and this needs to be in the same place frequency conversion drive module and condensation fan installation, and this brings inconvenience to modular production and installation, and the installation degree of difficulty is great moreover, because the wind flow that will ensure the condensation fan can maximize through frequency conversion module's radiator, especially later maintenance change is inconvenient.

Therefore, aiming at the defects of the prior art, the utility model mainly solves one or two of the following problems, firstly, the modular production is realized, and the air conditioner does not need to be installed together with a condensing fan of the air conditioner; secondly, ensure that frequency conversion drive module can enough dispel the heat, can high-efficient operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof type self-loopa heat dissipation control box to solve one or several in the above-mentioned problem.

According to the utility model discloses an aspect provides a waterproof type self-loopa heat dissipation control box, include: a control box main body; the closed cover is arranged at the top end of the control box main body, one end of the closed cover extends outwards relative to the control box main body to form a fixed block with a cavity, and a cooling fan is arranged at the bottom of the fixed block; and the radiator is communicated with the control box main body and the fixing block, and a radiating channel is formed between the radiator and the fixing block.

Therefore, the utility model discloses a design heat dissipation channel, adopt the radiator, and the radiator adopts multilayer heat dissipation aluminum sheet, installs the radiator in heat dissipation channel the inside, because other places are whole to be sealed in the control box main part, consequently whole wind flow can only be followed the wind channel and walked, just so can ensure that frequency conversion drive module cooling effect is best.

Furthermore, the utility model discloses a waterproof type self-loopa heat dissipation control box installs radiator fan additional in the radiator top, adopts the extrinsic cycle radiating mode, and the box is inside not to have fan cooling, avoids the control box to receive the influence of dust and humid environment, also is convenient for wash simultaneously and maintains.

In some embodiments, the control box main body comprises a front baffle, a left baffle, a rear baffle, a right baffle and a bottom plate which are fixedly connected in sequence, and a rectangular cabinet body is formed. From this, the control box owner forms the hollow rectangle cabinet body, is convenient for hold frequency conversion drive module and relevant subassembly, can place the box alone as frequency conversion drive module.

In some embodiments, the front baffle is provided with an opening that communicates the radiator with the control box body. Therefore, the radiator is communicated with the control box body in the whole area, and the maximum circulation flux is obtained for the circulation of the air flow.

In some embodiments, the left baffle and/or the right baffle are provided with an air inlet channel and a water baffle fixed on the left baffle and/or the right baffle for shielding the air inlet channel. Therefore, after entering the box body through the air inlet channel, the airflow flows out of the box body through the heat dissipation channel and takes away heat in the box body, and a good cooling effect is achieved for the inside of the box body; meanwhile, in order to prevent water from flowing into the box along the air inlet channel, a water baffle is arranged outside the air inlet channel, the water baffle, the left baffle and the right baffle can be respectively and fixedly connected through screws, and a groove is formed between the water baffle and the box body, so that air flow can enter the box body from the groove along the air inlet channel; in addition, the arrangement of the groove is convenient for the lifting vehicle to lift the whole control box, and the factory operation is convenient.

In some embodiments, the lower end of the left baffle and/or the right baffle is further provided with a line through hole, and a lug which is used for blocking the line through hole and is fixed on the left baffle and/or the right baffle. Therefore, the wiring harnesses of the power line, the control line, the connecting line and the like can penetrate into the box body through the lines, and are conveniently connected with the variable-frequency driving module in the box body and the heat dissipation fan of the variable-frequency driving module; meanwhile, in order to prevent water from flowing into the box body along the wire harness, the lug is arranged to help the line through hole to shield wind and rain, and the line through hole and the wire harness are protected; in addition, the air flow can enter the bottom of the box body through the circuit through holes, and the heat at the lower part of the box body is favorably driven to dissipate in the air flow discharging process.

In some embodiments, an accommodating space is formed between the lug and the left baffle and/or the right baffle; therefore, the space can accommodate wire harnesses such as power lines, control lines, connecting lines and the like, and plays a role in waterproof protection for the wire harnesses; meanwhile, the wire harness is stored, so that the wire harness is hidden.

In some embodiments, the heat sink is a multi-layer aluminum heat sink sheet. Therefore, on one hand, the heat dissipation aluminum sheet is used as a good heat conduction medium to dissipate heat into the air, so that heat dissipation is facilitated; on the other hand, the gaps among the radiating aluminum sheets become the components of the radiating air duct, so that heat is pumped out of the box body along with air from the gaps.

When the frequency conversion driving module circuit board is installed, the frequency conversion driving module circuit board can be fixed in the box body through screws so as to stably fix the circuit board.

The utility model designs a waterproof self-circulation heat dissipation control box into an independent cabinet, and the frequency conversion driving module and the heat dissipation fan of the frequency conversion driving module are arranged in the independent cabinet and can be independently produced in batches; the product of the utility model reduces the volume of the conventional box, reduces the material cost, increases the stability of the product, and improves the performance and the competitiveness of the product; compared with the installation outside the box, the structure is reasonable, and the application range of the product is enlarged.

Drawings

Fig. 1 is a schematic structural view of a waterproof self-circulation heat dissipation control box according to an embodiment of the present invention;

FIG. 2 is a bottom view of the control box of FIG. 1;

FIG. 3 is a left side view of the control box of FIG. 1;

FIG. 4 is a schematic structural view of a control box main body of the control box shown in FIG. 1;

FIG. 5 is a schematic view of the closure and heat sink attachment of the control box of FIG. 1;

fig. 6 is a schematic view of a heat dissipation channel of a waterproof self-circulation heat dissipation control box according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1-5 schematically show a waterproof type self-circulation heat dissipation control box according to an embodiment of the present invention.

As shown in the figure, the device comprises a control box main body 1 and a closed cover 2 arranged at the top end of the control box main body 1, wherein one end of the closed cover 2 extends outwards relative to the control box main body 1 to form a fixed block 21 with a cavity, and a cooling fan 3 is arranged at the bottom of the fixed block 21; and a radiator 4 communicated with the control box main body 1 and the fixed block 21, wherein a radiating channel is formed between the radiator 4 and the fixed block 21, and the radiator 4 is a plurality of layers of radiating aluminum sheets 41.

Specifically, the control box main body 1 comprises a front baffle 11, a left baffle 12, a rear baffle 13, a right baffle 14 and a bottom plate 15 which are fixedly connected in sequence, wherein the front baffle 11, the left baffle 12, the rear baffle 13 and the right baffle 14 form a hollow rectangular cabinet body through screws (or integral plate bending can be adopted), and a variable frequency driving module and a heat radiation fan of the variable frequency driving module can be placed in the hollow rectangular cabinet body; further, screws (not shown) for fixing the circuit board are also welded in the hollow rectangular cabinet.

The upper end of the front baffle 11 is provided with four openings 111 for communicating the radiator 4 with the control box main body 1, the openings 111 are rectangular, the size of the openings 111 is the same as that of the radiator 4, and a certain distance d is reserved between the upper edge of the openings 111 and the upper edge of the front baffle 11.

The rear baffle 13 is formed by fixing two plate bodies through screws to form a whole, the two plate bodies are connected through the connecting block 131, the expansion waterproof glue is arranged at the joint of the plate bodies, the connecting block 131 can not only respectively fix the two plate bodies to enable the two plate bodies to be a whole, but also can effectively prevent rainwater from permeating.

In addition, the upper ends of the left baffle 12 and the right baffle 14 are respectively provided with an air inlet channel 16, and a left water baffle 121 and a right water baffle 141 which are used for shielding wind and rain and are respectively fixed on the left baffle 12 and the right baffle 14, and the areas of the left water baffle 121 and the right water baffle 141 are larger than the area of the air inlet channel; and grooves 17 for facilitating air flow circulation and lifting clamping are formed between the left water baffle 121 and the left baffle 12 and between the right water baffle 141 and the left baffle 14.

Specifically, as shown in fig. 1 to 3, the left water baffle 121 and the right water baffle 141 have the same shape, size and structure, the two side surfaces are right trapezoid, the upper and lower bottom surfaces are parallel rectangles, and the bottom surfaces of the right trapezoid of the left water baffle 121 and the right water baffle 141 are fixedly connected with the left baffle 12 and the right baffle 14 respectively. At the moment, the inclined plane of the right trapezoid is used as a direct contact surface with rainwater, and the inclined plane and the vertical direction form a certain angle, so that the rainwater can slide down conveniently.

As shown in fig. 3, the lower ends of the left and

right baffles

12 and 14 are further provided with a line through hole 123, and a left protrusion 122 and a right protrusion 142 fixed on the left and

right baffles

12 and 14 for shielding the line through hole 123, obviously, the left protrusion 122 and the right protrusion 142 are the same in size, and a space 18 for accommodating the wiring harness exists between the left protrusion 122 and the left baffle 12, and between the right protrusion 142 and the right baffle 14.

Specifically, as shown in fig. 1 to 3, the left protrusion 122 and the right protrusion 142 have the same shape, size, and structure, the two side surfaces are right trapezoid, the upper and lower bottom surfaces are parallel rectangles, and the bottom surfaces of the right trapezoid of the left protrusion 122 and the right protrusion 142 are respectively fixedly connected to the left baffle 12 and the right baffle 14. At the moment, the inclined plane of the right trapezoid is used as a direct contact surface with rainwater, and the inclined plane and the vertical direction form a certain angle, so that the rainwater can slide down conveniently.

The closed part of the closed cover 2 and the top end of the hollow rectangular cabinet body is a plate-shaped body, and the plate-shaped body, the front baffle 11, the left baffle 12, the rear baffle 13, the right baffle 14 and the bottom plate are fixed into a closed box body structure through screws; one end of the closing cover 2 extends outwards relative to the control box body 1 to form a fixing block 21 with a cavity, the fixing block 21 is in a right trapezoid shape, the height of the right trapezoid is higher than the distance d between the upper edge of the opening 111 and the upper edge of the front baffle 11, and the surface where the height is and the surface where the distance d is can be fixed through screws; the bottom of the fixing block 21 is provided with four heat dissipation fans 3 for helping the box body to perform self-circulation heat dissipation.

The radiator 4 is a plurality of layers of radiating aluminum sheets 41, four of which are rectangular, the area of the rectangle is equal to the area of the opening 111 on the front baffle plate 11, and the rectangular shape is equal to the opening, and the radiator 4 is fixedly connected with the opening 111 of the front baffle plate 11 and protrudes out of the front baffle plate 11 to be positioned outside the box body.

A gap is formed between every two adjacent heat dissipation aluminum sheets 41, and the gap is communicated with the cavity of the fixed block 21, so that a heat dissipation channel is formed between the heat sink 4 and the fixed block 21, and the heat dissipation aluminum sheets 41 are positioned in the heat dissipation channel. After the heat radiation fan 3 is started, the inside of the box body is sealed at other places, so that all the air flow can only flow from the box body to the cavity of the fixed block 21 through the heat radiation aluminum sheets and the gaps of the heat radiation aluminum sheets, and finally is discharged out of the box body with heat under the action of the heat radiation fan 3.

As shown in fig. 6, the heat dissipation channel plays a role in guiding the flow after the heat dissipation fan 3 is started, and the airflow enters the box body through the air inlet channel 16 and then flows out of the box body through the heat dissipation channel; the heat in the box is directly blown outside the box along the clearance between the radiating aluminum sheets 41 and the cavity of the fixed block 21 along with the air flow, and the air flow has only one flow direction, so that the air flow in the box is very smooth, and the whole temperature in the box is effectively reduced.

In addition, in order to further enhance the protection level, a place where water leakage occurs needs to be protected by a rubber ring, and the connection between the panels needs to be covered with an expanding waterproof adhesive, such as between the left water blocking plate 121 and the left baffle 12, between the right water blocking plate 141 and the right baffle 14, between the left protrusion 122 and the left baffle 12, between the right protrusion 142 and the right baffle 14, and so on.

In other embodiments, the fixing block 21 may also be a right triangle, a short right-angle side of the right triangle has a length equal to a distance d between an upper edge of the opening and an upper edge of the front baffle 11, and a surface where the short right-angle side is located and a surface where the distance d is located are fixed by screws; in this case, the heat dissipation fan 3 is attached to the surface on which the long rectangular side is located.

In other embodiments, the opening 111 and the heat sink 4 may be provided in one, two, three, or more.

In other embodiments, the air intake channel 16 and the water baffle may be provided only on the left baffle 12 or the right baffle 14; the line through-holes 123 and the bumps may be provided only in the left bezel 12 or the right bezel 14.

The above description is only some embodiments of the present invention, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the inventive concept, and these modifications and improvements all belong to the protection scope of the present invention.

Claims

1. Waterproof type self-loopa heat dissipation control box, its characterized in that includes:

a control box main body (1);

the closed cover (2) is arranged at the top end of the control box main body (1), one end of the closed cover (2) extends outwards relative to the control box main body (1) to form a fixed block (21) with a cavity, and the bottom of the fixed block (21) is provided with a cooling fan (3);

and the radiator (4) is communicated with the control box main body (1) and the fixed block (21), and a radiating channel is formed between the radiator (4) and the fixed block (21).

2. The waterproof type self-circulation heat dissipation control box of claim 1, characterized in that the control box main body (1) comprises a front baffle (11), a left baffle (12), a rear baffle (13), a right baffle (14) and a bottom plate (15) which are fixedly connected in sequence, and forms a rectangular cabinet body.

3. The waterproof self-circulation heat dissipation control box according to claim 2, wherein the front baffle (11) is provided with an opening (111) for communicating the radiator (4) with the control box body (1).

4. The waterproof self-circulation heat dissipation control box of claim 2, wherein the left baffle (12) and/or the right baffle (14) are provided with an air inlet channel (16) and a water baffle for shielding the air inlet channel (16) and fixed on the left baffle (12) and/or the right baffle (14).

5. The waterproof self-circulation heat dissipation control box of claim 2, wherein the lower end of the left baffle (12) and/or the right baffle (14) is further provided with a line through hole (123), and a lug which is used for blocking the line through hole (123) and is fixed on the left baffle (12) and/or the right baffle (14).

6. The self-circulating radiator control box of claim 5, wherein a receiving space (18) is formed between the projection and the left baffle (12) and/or the right baffle (14).

7. The self-circulation thermal dissipation control box of the waterproof type according to any one of claims 1 to 6, characterized in that the radiator (4) is a multi-layer radiating aluminum sheet (41).