CN203521954U

CN203521954U - Control distribution box

Info

Publication number: CN203521954U
Application number: CN201320587541.XU
Authority: CN
Inventors: 沈锝桓
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-09-23
Filing date: 2013-09-23
Publication date: 2014-04-02
Anticipated expiration: 2023-09-23

Abstract

The utility model provides a control distribution box. The control distribution box includes a box body, the bottom of which is provided with an air draft mechanism connected with an external part and at least one air vent; a heat dissipation plate body erected above the bottom of the box body, with a chamber being formed between the top of the heat dissipation plate body and the box body, a circulating heat dissipation space being formed between the bottom of the heat dissipation plate body and the box body, and an air passage being formed between the heat dissipation plate body and the air draft mechanism; and a control component group disposed above the top of the heat dissipation plate body. The air draft mechanism is used for allowing the air in the circulating heat dissipation space between the box body and the heat dissipation plate body to flow circularly with the air outside the box body, enabling sufficient heat dissipation of the heat dissipation body, and thus the purpose of sufficient heat dissipation of the box body is achieved.

Description

Control distribution box

Technical field

The utility model relates to a kind of control distribution box, and refer to especially a kind of the heat radiation plate body that is provided with control element group to be located in casing, and utilize the air draft mechanism plate body that makes to dispel the heat fully to dispel the heat, and then the control distribution box that can make casing fully dispel the heat.

Background technology

The action of advanced control electrodynamic induction motor and function be more and more digitlization and computerization, to meet consumer or manufacturer's market demand, such as for controlling the thermostatic control of air conditioning pump or for constant voltage control of hydraulic press etc., and wherein must have a set of distribution box that control element installing is provided, for example frequency-variable controller or other relevant control elements, and these control element major parts all belong to the crystal module of high pyrotoxin, can make the inner intensification situation that produces of distribution box, if without suitably heat radiation, to cause control element to damage, therefore the problem that whether pump and distribution box can fully dispel the heat has become one of main goal in research of industry.

The conventional distribution box of industry is roughly divided into three kinds: the first is traditional wall-hanging distribution box, and AD is laterally opened, and the second is back-frame type distribution box, and the third is backpack distribution box.

Tradition wall-hanging distribution box hang on wall or is for example fixed on the isostructural pedestal of pump, periphery installing small fan, in order to the hot-air of distribution box inside is discharged, wherein because hot-air can rise, so common small fan is generally all installed in distribution box sidepiece or top, but this traditional wall-hanging distribution box is only applicable to indoor, if be loaded on outdoor, the problem of meeting rain infringement control element, for example, when typhoon or storm, if the strength of the large passing through fan of the strength of wind, to make rainwater invade in casing, cause control element to damage, moreover, be difficult for the running life of small fan controlling, if fault and while not having instantaneously changing, rainwater is easily invaded in casing and is caused control element to damage.

Back-frame type distribution box is directly to bear on the isostructural housing of for example pump, its size is less, and will directly be installed in casing such as control elements such as frequency converters, general employing is square, and wherein having five faces is sealed type, only the position, some holes by lower surface is vented to outside, so water proofing property is splendid, but because hot gas can be toward rising, cause the upper strata accumulated heat of box house not loose, so though the electronic motor radiating fan of favourable use blows distribution box base plane indirectly, but this back-frame type distribution box still has the problem that is difficult for heat radiation, not only affect the life-span of control element, and often there is excess Temperature and produce when the problem of machine.

The structure of backpack distribution box is roughly identical with back-frame type distribution box, difference is that the bottom of its casing is a thermal conductive metal plate, and control element is assembled on thermal conductive metal plate, outside utilize the wind that the radiator fan of electro-motor blows out to help thermal conductive metal plate heat radiation, overheated so as to avoiding control element, but radiator fan is the comprehensive motor framework that blows to, and only has the wind of little part can affect thermal conductive metal plate, so radiating effect is limited.

In view of this designer, thinks hard funiculus, and active research is engaged in for many years the experience of Related product research, and through constantly test and improvement, is finally designed the utility model.

Utility model content

The purpose of this utility model is to provide a kind of the heat radiation plate body that is provided with control element group is located in casing, and utilizes the air draft mechanism plate body that makes to dispel the heat fully to dispel the heat, and then the control distribution box that can make casing fully dispel the heat.

The structure that the utility model achieves the above object comprises: a casing, and bottom is provided with air draft mechanism and at least one ventilating opening of a connection outside; One heat radiation plate body, is set up on this bottom half, between this heat radiation plate body top and this casing, has formed chamber, between this heat radiation plate body bottom and this casing, forms a circulation cooling space, between this heat radiation plate body and this air draft mechanism, forms an air duct; One control element group, is located on this heat radiation plate body top; Borrow the air circulation of air in the circulation cooling space that this air draft mechanism makes this heat radiation plate body and casing outside mobile, can make this heat radiation plate body fully dispel the heat, and then reach the object that this casing is fully dispelled the heat.

Preferably, this heat radiation plate body rear side is provided with one first dividing plate, this first dividing plate is connected with the end, a left side and the right part of this casing, forms one first space between this first membrane backside portion and this casing, and this first dividing plate has the perforation of this sky chamber between this casing of at least one connection and this heat radiation plate body; This bottom half has first opening in this first space between this casing of at least one connection and this first dividing plate, so as to facilitating the electric wire of this control element group to link for example pump structure of outside.

Preferably, this casing top has second opening in this first space between this casing of at least one connection and this first dividing plate, and form a gap between this first dividing plate top and this casing top, this gap is communicated with this first space between this casing and this first dividing plate and this sky chamber between this casing and this heat radiation plate body, so as to preventing box house dewfall.

Preferably, a waterproof bulkhead can be further established at this casing top, and this waterproof bulkhead is between the second opening of the gap between this casing and this first dividing plate and this casing, so as to preventing water enchroachment (invasion) evil control element group.

Preferably, at least has a space between this heat radiation plate body and the sidepiece of this casing, so as to making the part air that this air draft mechanism drives can pass through the second opening of this casing, and then the overhead of this box house can fully be dispelled the heat.

Preferably, this heat radiation plate body front side is provided with a second partition, this second partition is connected with the end, a left side and the right part of this casing, and top at least extends to this heat radiation plate body bottom, forms a second space that is communicated with the empty chamber between this casing and this heat radiation plate body between this second partition front side portion and this casing; This bottom half has the 3rd opening of this second space between this casing of at least one connection and this second partition, so as to facilitating the electric wire of this control element group to connect for example pump structure of outside.

The utility model is for reaching above-mentioned and other object, and its technological means of taking, element and effect thereof, now adopt a preferred embodiment cooperation to illustrate as follows.

Accompanying drawing explanation

Fig. 1 is cutaway view of the present utility model.

Fig. 2 is perspective exploded view of the present utility model.

Fig. 3 is the schematic diagram that the utility model is removed casing right side.

Symbol description

100 control distribution boxs

1 casing 1a base

1b top cover 11 ventilating openings

12 first opening 13 second openings

14 the 3rd opening 2 air draft mechanisms

The 3 heat radiation empty chambers of plate body 31

32 circulation cooling spaces

33 air duct 4 control element groups

5 first dividing plate 51 first spaces

52 perforation 53 gaps

54 waterproof bulkhead 6 second partitions

61 second spaces

Embodiment

For technical characterictic of the present utility model, object and effect being had more clearly, understand, now contrast accompanying drawing embodiment of the present utility model is described.

As shown in Fig. 1～Fig. 2, the utility model is controlled and is comprised with distribution box 100: a casing 1, and bottom is provided with air draft mechanism 2 and at least one ventilating opening 11 of a connection outside; One heat radiation plate body 3, is set up on this casing 1 bottom, between top and this casing 1, has formed chamber 31, forms a circulation cooling space 32 between bottom and this casing 1, forms an air duct 33 between this heat radiation plate body 3 and this air draft mechanism 2; One control element group 4, is located on these heat radiation plate body 3 tops; Air in the circulation cooling space 32 of borrowing this air draft mechanism 2 to make this casing and dispelling the heat between plate body and the air circulation of casing outside flow, and can make this heat radiation plate body 3 fully dispel the heat, and then reach the object that this casing 1 is fully dispelled the heat.Below will be explained in detail.

Casing 1 can adopt various shapes to be arranged on such as in the structures such as pump (not shown), the square casing that is comprised of a base 1a and a top cover 1b of now take illustrates as example, casing 1 can supply control element group 4 to be set to control element group 4 is located at such as structure peripheries such as pumps, and can avoid control element group 4 to damage, be subject to exposure in sunshine or get wet.

Casing 1 bottom is provided with air draft mechanism 2 and at least one ventilating opening 11 of a connection outside, when the air in the circulation cooling space 32 of borrowing air draft mechanism 2 to make casing and dispelling the heat between plate body and the air circulation of casing outside flow, can make air Continuous-flow through the lower surface of heat radiation plate body 3, this heat radiation plate body 3 is fully dispelled the heat.Because thermal source main in casing is control element group 4, control element group 4 can by be located at heat radiation plate body 3 on and by heat conduct to heat radiation plate body 3, therefore in the situation that making to dispel the heat plate body 3 abundant heat radiation, in casing 1, with regard to not having the problem of accumulated heat, produce, can reach and make the fully object of heat radiation of casing 1.

Air draft mechanism 2 and control element group 4 are prior art, thus no longer narrate its structure herein, and with square body, represent in figure.

Heat radiation plate body 3 can adopt for example high plate body of heat conduction efficiency of aluminium sheet, the heat producing so as to conduction control element group 4, and the circulating air in the circulation cooling space 32 between casing and heat radiation plate body is taken away.

Shown in Fig. 3, be to remove casing right side with signal box inner structure.As shown in Figure 3, heat radiation plate body 3 rear sides can be provided with one first dividing plate 5, this first dividing plate 5 is connected with the end, a left side and the right part of this casing 1, between these the first dividing plate 5 rear lateral portion and this casing 1, form first space 51 that is communicated with the empty chamber 31 between this casing and heat radiation plate body, and this first dividing plate 5 has the perforation 52 of this casing of at least one connection and the empty chamber 31 between plate body of dispelling the heat; This casing 1 bottom has first opening 12 in the first space 51 between this casing of at least one connection and the first dividing plate; The electric wire (not shown) of control element group 4 can pass the perforation 52 of the first dividing plate and the first opening 12 of casing, then connects for example pump structure of outside; Borrow the first dividing plate 5 to isolate the first space 51, can be in the situation that to avoid the air in the circulation cooling space 32 between casing and heat radiation plate body to be emitted to other positions in casing, confession control element group 4 sets electric wire.In addition, the perforation of the first dividing plate 5 can the section of being located thereon position, so as to facilitating distribution, for example, Electric wire support height can be avoided to electric wire touching control element group 4.

Casing 1 top has second opening 13 in the first space 51 between this casing of at least one connection and the first dividing plate, and form a gap 53 between the first dividing plate 5 tops and casing 1 top, borrow the second opening 13 of casing to coordinate the gap 53 between casing and the first dividing plate can make the air communication casing in the empty chamber 31 between casing and heat radiation plate body outside, and then can prevent the inner dewfall situation that produces of casing 1.A waterproof bulkhead 54 can be further established at casing top, waterproof bulkhead 54 is between the second opening 13 of the gap 53 between casing and the first dividing plate and casing, its bottom can slightly surpass the gap 53 between casing and the first dividing plate, thus, if having water invades from the second opening 13 of casing, will be discharged by the first opening 12 of casing, and not have the problem generation of encroaching on control element group 4.

In addition, for example, in the situation that long-term use or the structure of control element group 4 are special, the problem that empty chamber 31 top layers between casing and heat radiation plate body may still have accumulated heat produces, in the case, between heat radiation plate body 3 and the sidepiece of this casing 1, at least can there is a space (not shown), so as to the part air that this air draft mechanism 2 is driven, can pass through the second opening 13 of this casing, and then the overhead of this box house can fully be dispelled the heat.

Except aforesaid the first dividing plate 5 can set electric wire for control element group 4, heat radiation plate body 3 front sides also can be provided with a second partition 6, this second partition 6 is connected with the end, a left side and the right part of this casing 1, and top at least extends to this heat radiation plate body 3 bottoms, between these second partition 6 front side portions and this casing 1, form a second space 61 that is communicated with the empty chamber 31 between this casing and heat radiation plate body; This casing 1 bottom has the 3rd opening 14 of the second space 61 between this casing of at least one connection and second partition; The electric wire (not shown) of control element group 4 can, through the 3rd opening 14 of casing, then link for example pump structure of outside; Borrow second partition 6 to isolate second space 61, can be in the situation that to avoid the air in the circulation cooling space 32 between casing and heat radiation plate body to be emitted to other positions in casing, confession control element group 4 sets electric wire.Certainly, these second partition 6 tops also can surpass heat radiation plate body 3, but connect box 1 top not.

Second partition 6, compared to the first dividing plate 5, although do not isolate the empty chamber 31 between casing and heat radiation plate body, has advantages of the material of saving, and therefore, in use, the first dividing plate 5 and second partition 6 can be selected a use.

In addition, in casing, also can consider the first dividing plate 5 and second partition 6 are not set, and directly make the book office of casing there is wiring hole, and carry out water-proofing treatment (not shown) after distribution.

The foregoing is only the schematic embodiment of the utility model, not in order to limit scope of the present utility model.Any those skilled in the art, is not departing from equivalent variations and the modification of doing under the prerequisite of design of the present utility model and principle, all should belong to the scope of the utility model protection.And it should be noted that, each part of the present utility model is not limited in above-mentioned overall applicability, each technical characterictic of describing in specification of the present utility model can select one to adopt separately or select the multinomial use that combines according to actual needs, therefore, the utility model has naturally been contained other combinations relevant with this case innovative point and specifically application.

Claims

1. a distribution box for control (100), is characterized in that, this for control distribution box (100) comprising:

One casing (1), bottom is provided with air draft mechanism (2) and at least one ventilating opening (11) of a connection outside;

One heat radiation plate body (3), be set up on this casing (1) bottom, between this heat radiation plate body (3) top and this casing (1), formed chamber (31), between this heat radiation plate body (3) bottom and this casing (1), form a circulation cooling space (32), between this heat radiation plate body (3) and this air draft mechanism (2), form an air duct (33);

One control element group (4), is located on this heat radiation plate body (3) top.

2. control distribution box as claimed in claim 1, it is characterized in that, this heat radiation plate body (3) rear side is provided with one first dividing plate (5), this the first dividing plate (5) is connected with the end, a left side and the right part of this casing (1), between this first dividing plate (5) rear lateral portion and this casing (1), form one first space (51), and this first dividing plate (5) has the perforation (52) of this sky chamber (31) between this casing of at least one connection and this heat radiation plate body; This casing (1) bottom has first opening (12) in this first space (51) between this casing of at least one connection and this first dividing plate.

3. control distribution box as claimed in claim 2, it is characterized in that, this casing (1) top has second opening (13) in this first space (51) between this casing of at least one connection and this first dividing plate, and between this first dividing plate (5) top and this casing (1) top, form a gap (53), this gap (53) are communicated with this first space (51) between this casing and this first dividing plate and this sky chamber (31) between this casing and this heat radiation plate body.

4. control distribution box as claimed in claim 3, it is characterized in that, a waterproof bulkhead (54) can be further established at this casing top, and this waterproof bulkhead (54) is to be positioned between second opening (13) of gap (53) between this casing and this first dividing plate and this casing.

5. control distribution box as claimed in claim 3, is characterized in that, between this heat radiation plate body (3) and the sidepiece of this casing (1), at least has a space.

6. control distribution box as claimed in claim 1, it is characterized in that, this heat radiation plate body (3) front side is provided with a second partition (6), this second partition (6) is connected with the end, a left side and the right part of this casing (1), and top at least extends to this heat radiation plate body (3) bottom, between this second partition (6) front side portion and this casing (1), form a second space (61) that is communicated with this sky chamber (31) between this casing and this heat radiation plate body; This casing (1) bottom has the 3rd opening (14) of this second space (61) between this casing of at least one connection and this second partition.