CN206302330U

CN206302330U - Switching power supply

Info

Publication number: CN206302330U
Application number: CN201621320557.4U
Authority: CN
Inventors: 谢学灵
Original assignee: Zhejiang Hengwei Technology Co Ltd
Current assignee: Zhejiang Hengwei Technology Co Ltd
Priority date: 2016-12-05
Filing date: 2016-12-05
Publication date: 2017-07-04
Anticipated expiration: 2026-12-05

Abstract

The utility model discloses a kind of Switching Power Supply, its drip irrigation device includes housing, lid and circuit board, the circuit board is fixed on the inside of housing, also include radiator fan, fixing hole is set on the circuit board, the radiator fan is plugged in fixing hole, and the bottom of radiator fan is fitted with the inwall of housing, the lid has outside punch forming to widen groove towards the side of radiator fan, and the utility model has raising enclosure interior heat dispersion, while taking into account the effect of rain-proof ability.

Description

Switching Power Supply

Technical field

The utility model is related to a kind of Switching Power Supply, and more specifically it is related to a kind of for outdoor Switching Power Supply.

Background technology

At present, notification number discloses a kind of switching power unit, including housing, slip lid for the Chinese patent of CN204578339U And top cover；The slip lid is slidably connected with housing on along its length；The top cover and housing one end in the longitudinal direction It is fixedly connected, there is the gap for allowing the slip lid to slip into after connection；Length of the length of the slip lid less than housing.

In the prior art similar to above-mentioned Switching Power Supply, it is accelerated out by opening up multiple louvres on housing Close the radiating of power source internal；And because this Switching Power Supply is arranged at open air, excessive radiating is set, switched when can cause to rain The possibility of water inlet rises in power supply；Therefore it is urgently to be resolved hurrily at present asking to take into account Switching Power Supply heat dispersion and rain-proof ability Topic.

Utility model content

In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of Switching Power Supply, is to carry Enclosure interior heat dispersion high, while taking into account rain-proof ability.

To achieve the above object, the utility model provides following technical scheme：A kind of Switching Power Supply, including housing, lid Body and circuit board, the circuit board are fixed on the inside of housing, also including radiator fan, fixing hole are set on the circuit board, The radiator fan is plugged in fixing hole, and the bottom of radiator fan is fitted with the inwall of housing, and the lid is towards radiating The side of fan has outside punch forming to widen groove.

By using above-mentioned technical proposal, in the prior art, in order to circuit board is stably fixed on housing, circuit Can there is certain gap between plate and housing, for setting support column so that board support is in supporting and by spiral shell Nail is fixed；

The utility model by opening up fixing hole on circuit boards so that the gap between circuit board and housing bottom obtains It is effective to utilize, while the lid being arranged on housing is formed by punch forming widening groove again, radiator fan is installed on Fixing hole and widen groove；In the case where shell dimension is not changed substantially so that the space in housing obtains more effectively Utilize, be easy to the setting of radiator fan；Using such scheme so that radiator fan can be arranged on enclosure interior to improve shell The heat dispersion in internal portion；Simultaneously because the setting of radiator fan, increased the air passage rates inside Switching Power Supply, therefore Can also meet the demand of radiating without setting excessive louvre on housing, take into account the rain-proof ability of Switching Power Supply.

The utility model is further arranged to：The radiator fan is fixed with housing screw.

By using above-mentioned technical proposal, general Switching Power Supply is placement vertically, therefore radiator fan is except circuit board Conflict holding power outside, in addition it is also necessary to other active forces come improve radiator fan fixation stability；Therefore will be radiated by screw Fan is connected to improve the stable degree of radiator fan fixation with housing.

The utility model is further arranged to：Also include upper lid, the upper lid and housing integrally connected, turned on the upper lid Folding has cover rim, and the cover rim has space perpendicular to Shang Gai between housing, and the space constitutes the lid for lid grafting Groove.

By using above-mentioned technical proposal, upper lid and housing are integrally formed, and have saved cost, and facilitate machine to be added Work；The cover rim of upper lid forms cover slot, and lid can be plugged in cover slot, and after lid is plugged in cover slot, cover rim rises to lid To position-limiting action, lid is facilitated to be installed.

The utility model is further arranged to：The inner fovea part for cover slide is provided with the upside of the housing sidewall.

By using above-mentioned technical proposal, lid first can be plugged in cover slot by being slid on inner fovea part, convenient The installation of lid；Inner fovea part increased the conflict area between housing and lid simultaneously so that housing is connected more with lid Plus firmly.

The utility model is further arranged to：It is provided with the upper lid and housing integrally connected and fills up housing and upper lid Between space sealing strip.

By using above-mentioned technical proposal, the space between upper lid and the side wall of housing is filled up, is covered in raising by sealing strip Sealing property between housing.

The utility model is further arranged to：Blinds hole is provided with the lid.

By using above-mentioned technical proposal, radiator fan, will be warmmer in Switching Power Supply inside by the cooperation with blinds hole Air-flow blowout, strengthen Switching Power Supply inside heat dispersion；While the opening in blinds hole is towards downside, rainwater not easily passs through hundred Leaf hole enters into the inside of Switching Power Supply, plays a part of rain-proof.

The utility model is further arranged to：The lid is provided with away from one end of upper lid and renovates, and described renovating is hinged It is fixed on lid, the side covered upwardly of renovating extends internally limited location edge.

By using above-mentioned technical proposal, when the terminal stud on the downside of housing carries out wiring, by the way that opening, energy will be renovated Enough play convenient for wiring effect；Meanwhile, because renovating setting limited location edge, the slewing area renovated is limited along limitation, When Switching Power Supply is vertically-mounted, renovate because gravity effect, and spacing edge limitation, renovate the state that can keep vertical, Play the effect kept off the rain for terminal stud.

The utility model is further arranged to：Power component, the side of the housing are provided with the outer of the circuit board Radiating is inwardly stamped with wall raised, the radiating projection is close to power component.

By using above-mentioned technical proposal, because the copper cash of circuit board can not be arranged on the outermost of circuit board, therefore Can all there is space between housing as power component installation is latter；And it is close to dissipating for radiating element by being set on housing It is hot raised, the partial heat on radiating element is directly outwards distributed by housing, further increase the radiating of Switching Power Supply Ability.

The utility model is further arranged to：The power component is provided with reinforcing away from the raised side of radiating Plate, the securing plate is fixed in radiating projection by screw.

By using above-mentioned technical proposal, by the way that by securing plate and the raised mode connects for screw of radiating, power component is sandwiched in and adds Gu between plate and housing so that power component and radiating projection between fit it is even closer, further fixture block Switching Power Supply dissipate Heat energy power.

The utility model is further arranged to：Also include hanging plate, the hanging plate includes hanging hole, the water being arranged on the downside of hanging hole Flat portion and be arranged at the hook part at horizontal part two ends, the horizontal part is close to the outer wall of lid, and with upper lid mode connects for screw；Institute State the crotch hole being provided with housing for hook part grafting.

By using above-mentioned technical proposal, hanging plate is connect with top cap by horizontal part and is attached with housing with hook part； When Switching Power Supply is articulated in external environment condition, hanging plate can provide housing the pulling force of stabilization.

In sum, the utility model has the following effects that：

1st, the structure of optimization housing and lid, increases available width in Switching Power Supply so that radiating electric fan can In Switching Power Supply, the heat-sinking capability of Switching Power Supply is improve；

2nd, the upper end of lid is plugged in the cover slot between cover rim and housing, improves the firm journey that lid is connected with housing Degree；

3rd, housing is provided with the radiating projection of indent so that the power component of enclosure interior can be brought into close contact with housing, Further increase the heat-sinking capability of Switching Power Supply.

Brief description of the drawings

Fig. 1 is the structural representation of the present embodiment；

Fig. 2 is the exploded perspective view that the present embodiment highlights Facad structure；

Fig. 3 is the exploded perspective view that the present embodiment highlights inverse layer structure；

Fig. 4 is the structural representation after the present embodiment removal lid.

Description of reference numerals：1st, housing；2nd, lid；3rd, circuit board；4th, radiator fan；5th, fixing hole；6th, groove is widened；7th, on Lid；8th, cover rim；9th, cover slot；10th, inner fovea part；11st, sealing strip；12nd, blinds hole；13rd, renovate；14th, spacing edge；15th, radiate raised； 16th, securing plate；18th, hanging plate；19th, horizontal part；20th, hook part；21st, hanging hole；22nd, crotch hole；23rd, terminal stud；24th, connecting hole ；25th, power component；26th, connecting hole.

Specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

Embodiment, a kind of Switching Power Supply, as shown in Figure 1, 2, including housing 1, upper lid 7, lid 2, hanging plate 18 and circuit board 3；The shape of cross section of housing 1 is U-shaped, includes base plate and side wall 24.

As shown in Figure 2,4, circuit board 3 is arranged at the inside of housing 1, and circuit board 3 is parallel with the bottom surface of housing 1, circuit board 3 Middle part be provided with square fixing hole 5, be plugged with radiator fan 4 in fixing hole 5, the bottom of radiator fan 4 passes through fixing hole 5 Inwall with housing 1 is contradicted, and is connected by the way that screw and housing 1 are firm；The both sides of circuit board 3 are provided with power component 25, Power component 25 is semiconductor switch pipe；The inside radiating projection 15 of punching press, power unit are provided with the inner side of side wall 24 Part 25 is provided with securing plate 16 away from the side of radiating raised 15；Securing plate 16 and power component 25 are raised with radiating by screw 15 inwall is connected, and power component 25 is sandwiched between securing plate 16 and housing 1 in this structure so that power component 25 Can closely be fitted with radiating raised 15, and radiating raised 15 is provided with heat-conducting glue, the part heat that power component 25 is produced Amount is dispersed into outside housing 1 by heat-conducting glue from radiating raised 15；The downside of circuit board 3 is provided with terminal stud 23, terminal stud 23 are used to connect outer lead.

As shown in Fig. 2 upper lid 7 be arranged at the upside of housing 1 and with the integrally connected of housing 1, upper lid 7 and both sides side wall 24 Sealing strip 11 is provided between upper end, the sealing property between lid 7 and side wall 24 is improve, the material of sealing strip 11 can be Rubber；Cover rim 8 is turned over downwards on three sides that upper lid 7 is not connected with housing 1, cover rim 8 is vertical with upper lid 7, cover rim 8 and side Certain space is set between the upside of wall 24, and this space constitutes a U-shaped cover slot 9.

As shown in Fig. 2 lid 2 is arranged at the top of housing 1, both sides and the side wall 24 of lid 2 are overlapped, the top of side wall 24 The inner fovea part 10 for caving inward is provided with, lid 2 can be slid by inner fovea part 10 on housing 1；The upside of housing 1 is plugged on In cover slot 9, cover slot 9 is contradicted with the outside of lid 2, increased the firmness that lid 2 is connected with housing 1；The two of the downside of lid 2 Connecting hole 26 is provided with the wall of side side, connecting hole 26 is also correspondingly arranged on housing 1, attachment screw in two connecting holes 26 makes Lid 2 is obtained to be fixed with housing 1.Lid 2 is provided with multiple blinds holes 12 in the lower section of upper lid 7, and blinds hole 12 can arrange hot gas Go out, moreover it is possible to prevent rainwater from entering inside housing 1；Lid 2 widens groove 6 in what the lower section in blinds hole 12 was provided with evagination, widens groove 6 Increased the width between housing 1 and lid 2 so that there are enough space mounting radiator fans 4 in housing 1.

As shown in figure 3, the lower end of lid 2 is provided with and renovates 13, renovate 13 and be hinged fixation with lid 2, and renovate 13 directions The side of upper lid 7 extends limited location along 14；After 13 opening is renovated, terminal stud 23 is convenient to dock end exposed to the external world 23 carry out wiring；When 13 closure is renovated, it is spacing along 14 with the inwall conflict power of lid 2 act under, renovate 13 can stablize Closure prevents rainwater from entering terminal stud 23.

As shown in figure 3, hanging plate 18 is arranged at the upside of lid 7, hanging plate 18 includes hanging hole 21, horizontal part 19 and hook part 20, horizontal part 19 is arranged at the downside of hanging hole 21 and is formed by turning down, and horizontal part 19 is close to the upside outer wall of lid 7, and with The mode connects for screw of upper lid 7；Hook part 20 is arranged at the both sides of horizontal part 19, and the bottom of hook part 20 is hook-shaped by being bent to form, The bottom of housing 1 is provided with two crotch holes 22, and the clasp joint of hook part 20 is in crotch hole 22.

Switching Power Supply installation process as shown in Fig. 2 the both sides of lid 2 are overlapped on inner fovea part 10, then promote lid 2 to The side slip of upper lid 7 one so that the upside of lid 2 is plugged in cover slot 9, connects by the both sides connecting hole 26 of lid 2 afterwards Connect screw so that lid 2 is firm with housing 1 to be fixed.

Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, it is all in this practicality Within new design concept, any modification, equivalent substitution and improvements made etc. should be included in protection of the present utility model Within the scope of.

Claims

1. a kind of Switching Power Supply, including housing (1), lid (2) and circuit board (3), the circuit board (3) are fixed on housing (1) Inside, it is characterised in that：Also include radiator fan (4), fixing hole (5), the radiator fan are set on the circuit board (3) (4) it is plugged in fixing hole (5), and the bottom of radiator fan (4) is fitted with the inwall of housing (1), the lid (2) is towards dissipating The side of Hot-air fan (4) has outside punch forming to widen groove (6).

2. Switching Power Supply according to claim 1, it is characterised in that：The radiator fan (4) is solid with housing (1) screw It is fixed.

3. Switching Power Supply according to claim 1, it is characterised in that：Also include upper lid (7), the upper lid (7) and housing (1) integrally connected, turnover has cover rim (8) on the upper lid (7), and the cover rim (8) is perpendicular to Shang Gai (7), and cover rim (8) and shell There is space between body (1), the space constitutes the cover slot (9) for lid (2) grafting.

4. Switching Power Supply according to claim 3, it is characterised in that：Side wall (24) upside of the housing (1) is provided with For the inner fovea part (10) of lid (2) sliding.

5. Switching Power Supply according to claim 4, it is characterised in that：The side wall (24) of the upper lid (7) and housing (1) it Between be provided with sealing strip (11).

6. Switching Power Supply according to claim 4, it is characterised in that：Some blinds holes are provided with the lid (2) (12)。

7. Switching Power Supply according to claim 6, it is characterised in that：The lid (2) is set away from one end of upper lid (7) Renovate (13), renovate (13) are hingeably secured on lid (2), it is described renovate (13) upwardly cover (7) side it is inside Extend limited location along (14).

8. Switching Power Supply according to claim 1, it is characterised in that：Power is provided with the outer of the circuit board (3) Element (25), it is raised (15) to be inwardly stamped and formed out radiating on the side wall (24) of the housing (1), the radiating raised (15) with Power component (25) is close to.

9. Switching Power Supply according to claim 8, it is characterised in that：The power component (25) is raised (15) away from radiating Side be provided with securing plate (16), the securing plate (16) is fixed in radiating raised (15) by screw.

10. Switching Power Supply according to claim 1, it is characterised in that：Also include hanging plate (18), the hanging plate (18) includes Hanging hole (21), the horizontal part (19) being arranged on the downside of hanging hole (21) and the hook part (20) at horizontal part (19) two ends is arranged at, institute State the outer wall that horizontal part (19) is close to lid (7), and with upper lid (7) mode connects for screw；It is provided with the housing (1) and supplies crotch The crotch hole (22) of portion (20) grafting.