CN206164344U - Naturally, cool fan -less housing of ACDC converter - Google Patents

Abstract

The utility model discloses a naturally, cool fan -less housing of ACDC converter, including heat radiation cavity and apron, heat radiation cavity be hollow structure and electron device is placed to heat radiation cavity's inside, electron device hugs closely heat radiation cavity's inner wall, heat radiation cavity includes the relative owner in position dispel the heat terminal surface and opening end surface, the outer wall of the main terminal surface that dispels the heat is equipped with a plurality of fin, is used for the increase heat radiation cavity's heat radiating area, heat radiation cavity's opening end surface is including the intercommunication inside with the external opening of heat radiation cavity for take out or put into electron device arrives among the heat radiation cavity, the apron is fixed in through a plurality of fasteners opening end surface and with heat radiation cavity constitutes inclosed cavity. The utility model discloses the radiating effect is good, be fit for compact structure small -size cool ACDC converter equipment naturally to use cost is low.

Description

The heat-dissipating casing of naturally cold AC/DC transducers

Technical field

This utility model is related to supply unit field, more particularly, to a kind of heat-dissipating casing of naturally cold AC/DC transducers.

Background technology

Naturally cold AC/DC transducers are that alternating current (Alternating current, AC) is converted to into unidirectional current The device of (Direct current, DC).With the application demand to high-power naturally cold AC/DC Changer Devices it is more and more wider General, in order to adapt to a variety of working environments, the requirement to the size of the heat-dissipating casing of naturally cold AC/DC transducers is also more next It is stricter, but in the case where undersized requirement is subtracted, equipment must assure that enough heat-sinking capabilities can be such that equipment normally runs, Therefore to the cooling requirements of equipment also more and more higher.How small size, the naturally cold AC/DC transducers of high power density solve Heat dissipation problem and efficient work is more and more paid attention to.

In prior art, undersized naturally cold AC/DC Changer Devices are radiated by the way of fan cooling, the method The power consumption of whole machine can be increased, causing the efficiency of whole machine reduces, and fan noise is larger, easily the work of interference user, radiating effect Fruit is also not ideal enough, while fan has certain service life, damaging if there is fan can cause complete machine temperature to rise, property Energy index declines, for a long time using the life-span that can badly influence equipment, or even damage equipment；Naturally cold AC/DC transducers set Standby using water-cooled, then use cost is very high, and maintenance difficulties and cost are higher, are not preferable heat dissipating methods.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of heat-dissipating casing of naturally cold AC/DC transducers, to Solve prior art small-medium size, the naturally cold AC/DC transducers of high power density radiating effect it is undesirable or use, safeguard The problem of high cost.

To solve above-mentioned technical problem, this utility model provides a kind of heat-dissipating casing of naturally cold AC/DC transducers, including Heat-dissipating cavity and cover plate, the heat-dissipating cavity is hollow structure and places electronic device in the inside of the heat-dissipating cavity, described Electronic device is close to the inwall of the heat-dissipating cavity, and the heat-dissipating cavity includes the relative main radiating end face in position and opening Face, the outer wall of the main radiating end face is provided with multiple fin, for increasing the area of dissipation of the heat-dissipating cavity, the radiating The open end of cavity includes the connection heat-dissipating cavity inside and extraneous opening, for being removed or placed into the electronic device To in the heat-dissipating cavity, the cover plate is fixed on the open end and constitutes with the heat-dissipating cavity by multiple securing members Closed cavity.

Further, the heat-dissipating cavity include the first side wall of connection main radiating end face and the open end, the Two side walls, the 3rd side wall and the 4th side wall, the first side wall, the second sidewall, the 3rd side wall and the 4th side Wall is sequentially connected, and the first side wall is relative with the 3rd sidewall locations and by the second sidewall and the 4th side wall It is connected, the second sidewall is relative with the 4th sidewall locations and is connected by the first side wall and the 3rd side wall, The first side wall, the second sidewall, the 3rd side wall and the 4th side wall are equipped with the reinforcement rib of projection, are used for Strengthen the intensity and increasing heat radiation area of the heat-dissipating cavity.

Further, the first side wall is provided with ventilative valve opening, for keeping the inside and outside air pressure balance of the heat-dissipating cavity.

Further, the 3rd side wall is provided with alternating current input terminal, and the alternating current input terminal electrical connection power supply sets It is standby with the heat-dissipating cavity inside the electronic device.

Further, the first side wall is provided with DC output end, and the DC output end electrical connection is described to be dissipated The electronic device of hot inside cavity and load equipment.

Further, the heat-dissipating casing of the naturally cold AC/DC transducers also includes fixed support and is fixed on the fixation Signal control terminal on support, the fixed support is fixed on the first side wall by securing member, the signal terminal Communication Control is reached with the load equipment.

Further, the first side wall is provided with signal control line material delivery outlet, the signal control line material delivery outlet connection Stretched by the signal control line material delivery outlet with the external world, the wire being connected with the electronic device inside of the heat-dissipating cavity Go out the heat-dissipating cavity and be connected with the signal control terminal.

Further, the first side wall is equipped with mounting bracket with the 3rd side wall, and the mounting bracket is provided with multiple Fixing hole, the mounting bracket is fixed on the power supply unit using securing member by the fixing hole.

Further, the mounting bracket is integrally formed with the heat-dissipating cavity.

Further, the mounting bracket surface relative with the power supply unit is provided with multiple reinforcements, for improving State the intensity of mounting bracket.

The beneficial effects of the utility model are as follows：The larger electronic device of caloric value is close to the inwall of heat-dissipating cavity, The heat of electronic device is derived by the outer wall of heat-dissipating cavity, while increasing heat-dissipating cavity using the fin of heat-dissipating cavity outer wall Area of dissipation, the air of flowing takes away the heat of fin surface and realizes radiating, and radiating effect is good, is adapted to compact conformation Undersized naturally cold AC/DC Changer Devices；The surface radiating that the heat-dissipating casing of naturally cold AC/DC transducers passes through itself, Be not in that extraneous heat dissipation equipment damages the heat-dissipating casing for causing the cold AC/DC transducers of nature without the help of extraneous heat dissipation equipment The abnormal situation of radiating, and use cost is low.

Description of the drawings

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work Under, can be with according to the other substantially modes of texturing of these accompanying drawings acquisitions.

The schematic diagram of the heat-dissipating casing of the naturally cold AC/DC transducers that Fig. 1 is provided for this utility model embodiment.

Illustrate at another visual angle of the heat-dissipating casing of the naturally cold AC/DC transducers that Fig. 2 is provided for this utility model embodiment Figure.

Illustrate at another visual angle of the heat-dissipating casing of the naturally cold AC/DC transducers that Fig. 3 is provided for this utility model embodiment Figure.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of this utility model protection.

Fig. 1 to Fig. 3 is referred to, the heat-dissipating casing of the naturally cold AC/DC transducers that the present embodiment is provided includes heat-dissipating cavity With cover plate 22, heat-dissipating cavity is hollow structure and places electronic device in the inside of heat-dissipating cavity, and electronic device includes PCB, work( The alternating current that power supply unit is input to the cold AC/DC transducers of nature is converted to direct current by rate device, magnetic device etc., electronic device Electricity output is to load equipment.Heat-dissipating cavity has an open end, and open end includes inside connection heat-dissipating cavity and extraneous Opening, for being removed or placed into electronic device in heat-dissipating cavity, cover plate 22 is fixed on open end by multiple securing members Upper and closed with heat-dissipating cavity composition cavity.In a kind of embodiment, the edge of cover plate 22 has 14 through holes, correspondence radiating The edge of the open end of cavity has 14 screw fixed holes, and cover plate 22 is connected by 14 screws with heat-dissipating cavity using screw thread The mode for connecing interfixes.Electronic device inside heat-dissipating cavity is close to the inwall of heat-dissipating cavity, what electronic device was produced Partial heat is delivered in thermo-conducting manner on the wall of heat-dissipating cavity, heat-dissipating cavity outer wall and contacting external air, and The mode of convection heat transfer' heat-transfer by convection is taken away heat by the air for flowing, and reaches radiating effect.

Heat-dissipating cavity has a main radiating end face relative with open end position, and the outer wall of main radiating end face is provided with many Individual fin 20, in a kind of embodiment, fin 20 is the rectangular flat of lamellar, and the root of fin 20 is fixed on main radiating On the outer wall wall of end face, perpendicular to main radiating end face, fin 20 has two heat-delivery surfaces to fin 20, for increasing State the area of dissipation of heat-dissipating cavity.The heat of main radiating end face is delivered in thermo-conducting manner the company of contacting of fin 20 The root for connecing, heat is thermally conducted to the entirety of fin 20 from the root of fin 20, and the air flowed around equipment is with convection current The mode of heat exchange takes away heat from heat-delivery surface.Gained knowledge according to heat transfer it is recognised that increasing area of dissipation and be conducive to strengthening right The efficiency of heat is spread, that is, strengthens radiating effect.Radiating groove 202 is formed between two adjacent fin 20, air can dissipate The intermediate flow of heat channel 202, the both sides of radiating groove 202 are the heat-delivery surface of adjacent two fin 20, are flowed in radiating groove 202 Air takes away the heat of heat-delivery surface, and the air that heat-delivery surface absorbs heat is taken away in time, it is to avoid cause accumulation of heat. Part heat sink 20 designs jagged 204, avoids interfering with the protruding part of other equipment during for installing with other equipment.

In the present embodiment, heat-dissipating cavity includes the first side wall 12, second sidewall of the main radiating end face of connection and open end 14th, the 3rd side wall 16 and the 4th side wall 18, the first side wall 12, second sidewall 14, the 3rd side wall 16 and the 4th side wall 18 phase successively Even, the first side wall 12 is relative with the position of the 3rd side wall 16 and is connected by the side wall 18 of second sidewall 14 and the 4th, second sidewall 14 It is relative with the position of the 4th side wall 18 and connected by the side wall 16 of the first side wall 12 and the 3rd.The first side wall 12, second sidewall 14, Three side walls 16 and the 4th side wall 18 are equipped with the reinforcement rib 10 of projection, strengthen pattern of the rib 10 in decussation and are distributed in respectively In the outer wall surface of side wall, the intensity of heat-dissipating cavity is on the one hand strengthened, prevent inside cavity from installing and become after electronic device Shape, on the other hand raised reinforcement rib 10 increases the area of dissipation of heat-dissipating cavity wall, is conducive to strengthening radiating effect.

In a kind of embodiment, the first side wall 12 is provided with a ventilative valve opening 50, the connection heat-dissipating cavity of valve opening 50 of breathing freely It is internal and extraneous, inside cavity is exchanged with the gaseous exchange in the external world, holding chamber body is interior, outer air pressure balance, while can also add The derivation of heat in fast cavity.Certainly, in other embodiments, the quantity of ventilative valve opening 50 can also be multiple, it is impossible to this To limit the interest field of this utility model.

3rd side wall 16 is provided with alternating current input terminal 32, the electrical connection power supply unit of alternating current input terminal 32 and heat dissipation cavity The electronic device in internal portion, the first side wall 12 is provided with DC output end 34, and DC output end 34 electrically connects heat dissipation cavity The electronic device and load equipment in internal portion.Electronic device is electrically connected to alternating current input terminal 32 and DC output end 34 Between, alternating current is conveyed to alternating current input terminal 32 by power supply unit, and alternating current input terminal 32 passes to electronic device, Jing After crossing the conversion of electronic device, unidirectional current is passed to DC output end 34 by electronic device, and DC output end 34 is again Unidirectional current is conveyed to into load equipment, for load equipment power supply is provided.By alternating current input terminal 32, electronic device, direct current Being sequentially connected for electricity output terminal 34 completes alternating current to galvanic conversion.

In a kind of embodiment, the first side wall 12 is additionally provided with signal control line material delivery outlet 36, the output of signal control line material Mouth 36 connects the inside and the external world of heat-dissipating cavities, the wire being connected with electronic device inside heat-dissipating cavity can be passed through into signal Control wire rod delivery outlet 36 reaches outside chamber and connects signal control terminal 38.Signal control terminal 38 reaches logical with load equipment News control, signal control terminal 38 is fixed on the first side wall 12 by fixed support 30, and wherein one end of fixed support 30 is provided with Two fixing holes, are fixed on fixed support 30 on the first side wall 12 by two screws, and the other end of fixed support 30 passes through spiral shell Nail fixed signal control terminal 38.Electronic device inside signal control terminal 38 and heat-dissipating cavity is by through signal control line The wire electrical connection of material delivery outlet 36, signal control terminal 38 carries out communication and is connected with load equipment, makes the cold AC/DC conversions of nature The heat-dissipating casing of device and load equipment co-ordination.Signal control terminal 38 is fixed on that to reduce nature on the 3rd side wall 16 cold The volume of the heat-dissipating casing of AC/DC transducers, each device install compact saves space, is adapted to various working environments and uses.This reality In applying example, the heat-dissipating casing of naturally cold AC/DC transducers is adapted to the working environment high to dimensional requirement and uses, certainly, naturally cold The heat-dissipating casing of AC/DC transducers is readily adaptable for use in other various working environments, it is impossible to limited with this this utility model it Interest field.

In the present embodiment, the heat-dissipating casing of naturally cold AC/DC transducers also includes two mounting brackets 40, mounting bracket 40 On the side wall 16 of the first side wall 12 and the 3rd, and mounting bracket 40 is integrally formed with heat-dissipating cavity.Mounting bracket 40 is provided with Multiple fixing holes, multiple securing members are fixed on mounting bracket 40 on the equipment of being powered by fixing hole, will naturally cold AC/DC The heat-dissipating casing of transducer is fixed on the equipment of being powered.Further, securing member is generally hex screw, and fixing hole is hexagonal Screw fixed hole 404, the screwed hole on trip bolt correspondence power supply unit is by mounting bracket 40 and naturally cold AC/DC transducers Heat-dissipating casing is fixed on the equipment of being powered.Naturally cold AC/DC Changer Devices are installed on the equipment of being powered, and save space, Adapt to various working environments.

In a kind of embodiment, the section of mounting bracket 40 is trapezoidal, and mounting bracket 40 is relative with power supply unit Surface is provided with multiple reinforcements 402, for improving the intensity of the mounting bracket 40, strengthens the fastness installed.Further, Reinforcement 402 is the linear rib dissipated from fixing hole to the edge of mounting bracket 40.

In the present embodiment, the material of the heat-dissipating casing of naturally cold AC/DC transducers is aluminum, and aluminium has good heat conduction Property, be conducive to improving radiating efficiency, and the density of aluminum compares that other metals are relatively low, and the equipment of aluminum is meeting intensity requirement Under the conditions of also have light weight the characteristics of.Simultaneously aluminum surface easily forms alumina protective layer, and aluminium is separated with air, prevents Only equipment is further aoxidized, therefore long service life.

The larger electronic device of caloric value is close to the inwall of heat-dissipating cavity, and the heat of electronic device is passed through heat-dissipating cavity Outer wall derive, while using heat-dissipating cavity outer wall fin 20 increase heat-dissipating cavity area of dissipation, the air band of flowing The heat for walking the surface of fin 20 realizes radiating, and radiating effect is good, and the undersized naturally cold AC/DC for being adapted to compact conformation turns Converter device；The surface radiating that the heat-dissipating casing of naturally cold AC/DC transducers passes through itself, without the help of extraneous heat dissipation equipment, Be not in that extraneous heat dissipation equipment damages the situation for causing the heat-dissipating casing radiating of the cold AC/DC transducers of nature abnormal, and make Use low cost.

Above disclosed is only several preferred embodiments of this utility model, can not limit this practicality with this certainly New interest field, one of ordinary skill in the art will appreciate that all or part of flow process of above-described embodiment is realized, and according to The equivalent variations that this utility model claim is made, still fall within the scope that utility model is covered.

Claims (10)

1. a kind of heat-dissipating casing of naturally cold AC/DC transducers, it is characterised in that including heat-dissipating cavity and cover plate, the radiating Cavity is hollow structure and places electronic device in the inside of the heat-dissipating cavity, and the electronic device is close to the heat-dissipating cavity Inwall, the heat-dissipating cavity includes the relative main radiating end face in position and open end, and the outer wall of the main radiating end face sets There are multiple fin, for increasing the area of dissipation of the heat-dissipating cavity, the open end of the heat-dissipating cavity includes connection institute Heat-dissipating cavity inside and extraneous opening are stated, for being removed or placed into the electronic device in the heat-dissipating cavity, the lid Plate is fixed on the open end and constitutes closed cavity with the heat-dissipating cavity by multiple securing members.

2. the heat-dissipating casing of naturally cold AC/DC transducers according to claim 1, it is characterised in that the heat-dissipating cavity Including the first side wall, second sidewall, the 3rd side wall and the 4th side wall that connect main radiating end face and the open end, institute State the first side wall, the second sidewall, the 3rd side wall and the 4th side wall to be sequentially connected, the first side wall with it is described 3rd sidewall locations are relative and are connected with the 4th side wall by the second sidewall, the second sidewall and the 4th side Wall position is relative and is connected with the 3rd side wall by the first side wall, the first side wall, the second sidewall, described 3rd side wall and the 4th side wall are equipped with the reinforcement rib of projection, and the intensity for strengthening the heat-dissipating cavity dissipates with increase Hot area.

3. the heat-dissipating casing of naturally cold AC/DC transducers according to claim 2, it is characterised in that the first side wall Ventilative valve opening is provided with, for keeping the inside and outside air pressure balance of the heat-dissipating cavity.

4. the heat-dissipating casing of naturally cold AC/DC transducers according to claim 2, it is characterised in that the 3rd side wall It is provided with alternating current input terminal, the electricity inside the alternating current input terminal electrical connection power supply unit and the heat-dissipating cavity Sub- device.

5. the heat-dissipating casing of naturally cold AC/DC transducers according to claim 4, it is characterised in that the first side wall Be provided with DC output end, the electronic device inside the DC output end electrical connection heat-dissipating cavity with it is negative Load equipment.

6. the heat-dissipating casing of naturally cold AC/DC transducers according to claim 5, it is characterised in that the naturally cold AC/ The heat-dissipating casing of DC transducers also includes fixed support and the signal control terminal being fixed on the fixed support, the fixation Support is fixed on the first side wall by securing member, and the signal control terminal reaches communication control with the load equipment System.

7. the heat-dissipating casing of naturally cold AC/DC transducers according to claim 6, it is characterised in that the first side wall Signal control line material delivery outlet is provided with, the signal control line material delivery outlet connects the inside and the external world of the heat-dissipating cavity, with The connected wire of the electronic device by the signal control line material delivery outlet stretch out the heat-dissipating cavity and with the signal Control terminal connects.

8. the heat-dissipating casing of naturally cold AC/DC transducers according to claim 4, it is characterised in that the first side wall Mounting bracket is equipped with the 3rd side wall, the mounting bracket is provided with multiple fixing holes, and the mounting bracket uses fastening Part is fixed on the power supply unit by the fixing hole.

9. the heat-dissipating casing of naturally cold AC/DC transducers according to claim 8, it is characterised in that the mounting bracket It is integrally formed with the heat-dissipating cavity.

10. the heat-dissipating casing of naturally cold AC/DC transducers according to claim 9, it is characterised in that the mounting bracket The surface relative with the power supply unit is provided with multiple reinforcements, for improving the intensity of the mounting bracket.