CN104052247A - Novel large-power switched-mode power supply - Google Patents

Novel large-power switched-mode power supply Download PDF

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Publication number
CN104052247A
CN104052247A CN201410295703.1A CN201410295703A CN104052247A CN 104052247 A CN104052247 A CN 104052247A CN 201410295703 A CN201410295703 A CN 201410295703A CN 104052247 A CN104052247 A CN 104052247A
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CN
China
Prior art keywords
sleeve
power supply
plate
top cover
novel high
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410295703.1A
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Chinese (zh)
Inventor
唐辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Guan Chao Industrial Automation Co Ltd
Original Assignee
Nanjing Guan Chao Industrial Automation Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Guan Chao Industrial Automation Co Ltd filed Critical Nanjing Guan Chao Industrial Automation Co Ltd
Priority to CN201410295703.1A priority Critical patent/CN104052247A/en
Publication of CN104052247A publication Critical patent/CN104052247A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a switched-mode power supply, in particular to a novel large-power switched-mode power supply. The novel large-power switched-mode power supply is good in cooling effect, capable of effectively improving the supportable maximum rated power, safe to use and high in stability and comprises a shell, a main cooling assembly and an auxiliary cooling assembly. The shell comprises a top cover, an inclined plate, a sleeve and a base plate. An installation base and a fixing base are arranged on the inner sides of the top cover and the sleeve. The main cooling assembly comprises a plug, a supporting plate and a cooling fan. The plug can be detachably connected to the installation base, a large-power electronic element is arranged between the supporting plate and a pressing piece in an abutting and pressing mode, a spring is arranged between the supporting plate and the fixing base, and the cooling fan is detachably connected to the bottom of the sleeve. The auxiliary cooling assembly comprises a connecting plate and a cooling fin, a small-power electronic element is fixed to the inner side face of the connecting plate, and the top and the bottom of the connecting plate are fixed to the top cover and the base plate respectively. First ventilation holes are formed in the inclined plate and the sleeve, and second ventilation holes are formed in an inclined piece and a top piece.

Description

Novel high-power Switching Power Supply
 
Technical field
The present invention relates to switch power technology field, particularly relate to a kind of novel high-power Switching Power Supply.
Background technology
Switching Power Supply generally by pulse width modulation (PWM), controls IC and MOSFET forms, and compares with linear power supply, and the heat radiation of the two all increases along with the increase of power output; Because the thermal diffusivity of Switching Power Supply is to playing vital effect its useful life, in order to improve the thermal diffusivity of Switching Power Supply, the Switching Power Supply of prior art, fin is normally set in power shell, then by power semiconductor part and circuit element on wiring board, by pressing plate, be close on fin, and fin is fixed on the backboard of power shell, when Switching Power Supply is started working, power semiconductor part and circuit element transfer heat to fin, and fin passes heat by backboard; Yet the heat radiation of this Switching Power Supply is only undertaken by a face of power shell, radiating efficiency is not high, when Switching Power Supply is for high-power power supply unit, when the caloric value of circuit element is larger, this radiator structure is just difficult to the safe and stable operation of supporting switch power supply.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of radiating effect better, can effectively improve supported maximum rated power, use the higher novel high-power Switching Power Supply of security and stability.
Novel high-power Switching Power Supply of the present invention, comprise housing, main radiating subassembly and auxiliary heat dissipation assembly, wherein, described housing comprises annular top cover, be arranged on the swash plate of top cover inner side bending downwards, the sleeve of tubulose that is connected to swash plate bottom and the base plate that is vertically connected on the ring-type of sleeve bottom, the inner side of described top cover is provided with mount pad, and the inner side of described sleeve is fixed with the holder of ring-type;
Described main radiating subassembly comprises cock body, supporting bracket and radiator fan, described cock body comprise top flat and the compressing tablet of plate-like and be connected to top flat and compressing tablet between oblique sheet, described top flat, oblique sheet and compressing tablet are connected to reverse frustoconic, described cock body is detachably connected on described mount pad, described supporting bracket in described sleeve holder above slide, between described supporting bracket and compressing tablet, top is pressed with large power, electrically sub-element, between described supporting bracket and holder, be provided with spring, described radiator fan is column the bottom that is detachably connected on described sleeve;
Described auxiliary heat dissipation assembly comprises the connecting plate of tubulose and the fin that is vertically connected on connecting plate lateral surface, and the medial surface of described connecting plate is fixed with small power electric sub-element, and the top of described connecting plate and bottom are separately fixed on described top cover and base plate;
On described swash plate and sleeve, be provided with the first ventilation hole, on described oblique sheet and top flat, be provided with the second ventilation hole, the sidewall of described the first ventilation hole and described swash plate and sleeve is tangent.
Further, the medial surface of described oblique sheet is vertical and be arranged at intervals with a plurality of auxiliary heat dissipation sheets between the second ventilation hole.
Further, the lateral surface that is positioned at described connecting plate between described top cover and base plate is also provided with Chain Link Fence.
Further, the medial surface of described swash plate is also provided with temperature detect switch (TDS), and described temperature detect switch (TDS) is electrically connected to described radiator fan.
Further, described top cover, swash plate, sleeve and base plate are structure as a whole.
Further, described cock body is threaded connection on described mount pad, is provided with circular groove on described top flat, in described groove, is provided with rotary handle.
Further, described radiator fan is arranged on the inner side of described sleeve by screw thread, and the bottom of described radiator fan is provided with lower rotary handle.
Compared with prior art beneficial effect of the present invention is: comprise housing, main radiating subassembly and auxiliary heat dissipation assembly, housing comprises top cover, swash plate, sleeve and base plate, and the inner side of top cover and sleeve is provided with mount pad and holder; Main radiating subassembly comprises cock body, supporting bracket and radiator fan, cock body is detachably connected on mount pad, between supporting bracket and compressing tablet, top is pressed with large power, electrically sub-element, between supporting bracket and holder, is provided with spring, and radiator fan is detachably connected on the bottom of sleeve; Auxiliary heat dissipation assembly comprises connecting plate and fin, and the medial surface of connecting plate is fixed with small power electric sub-element, and the top of connecting plate and bottom are separately fixed on top cover and base plate; On swash plate and sleeve, be provided with the first ventilation hole, tiltedly on sheet and top flat, be provided with the second ventilation hole; Like this, radiating effect is better, can effectively improve supported maximum rated power, uses security and stability higher.
Accompanying drawing explanation
Fig. 1 is cutaway view of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 1, novel high-power Switching Power Supply of the present invention, comprise housing 1, main radiating subassembly 3 and auxiliary heat dissipation assembly 2, wherein, housing 1 comprises annular top cover 11, be arranged on the swash plate 12 of top cover 11 inner sides bending downwards, the sleeve 13 of tubulose that is connected to swash plate 12 bottoms and the base plate 14 that is vertically connected on the ring-type of sleeve 13 bottoms, the inner side of top cover 11 is provided with mount pad 15, and the inner side of sleeve 13 is fixed with the holder 16 of ring-type, main radiating subassembly 3 comprises cock body 31, supporting bracket 32 and radiator fan 33, cock body 31 comprises top flat 311 and the compressing tablet 312 of plate-like, and be connected to the oblique sheet 313 between top flat 311 and compressing tablet 312, top flat 311, tiltedly sheet 313 and compressing tablet 312 are connected to reverse frustoconic, cock body 31 is detachably connected on mount pad 15, supporting bracket 32 is slided above the interior holder 16 of sleeve 13, between supporting bracket 32 and compressing tablet 312, top is pressed with large power, electrically sub-element 4, between supporting bracket 32 and holder 16, be provided with spring 34, radiator fan 33 is column the bottom that is detachably connected on sleeve 13, auxiliary heat dissipation assembly 2 comprises the connecting plate 21 of tubulose and the fin 22 that is vertically connected on connecting plate 21 lateral surfaces, and the medial surface of connecting plate 21 is fixed with small power electric sub-element 5, and the top of connecting plate 21 and bottom are separately fixed on top cover 11 and base plate 14, on swash plate 12 and sleeve 13, be provided with the first ventilation hole 17, tiltedly on sheet 313 and top flat 311, be provided with the second ventilation hole 35, the first ventilation holes 17 tangent with the sidewall of swash plate 12 and sleeve 13.
Novel high-power Switching Power Supply of the present invention, its operation principle is: when radiator fan is not enabled, auxiliary heat dissipation assembly and cock body play main heat sinking function, and the mode of transmitting by surface heat is by dissipation of heat; When radiator fan is enabled, air is imported by bottom, enter to the cavity between swash plate and brace, bring the part heat of small power electric sub-element into gap between oblique sheet and swash plate, the heat of then taking away large power, electrically sub-element enters in cock body, finally by top, is discharged, because the first through hole tangent line is connected on sleeve and swash plate, so just formed eddy flow, and eddy flow can effectively improve heat exchanger effectiveness, heat is taken out of; The connected mode of spring has effectively guaranteed the attaching between large power, electrically sub-element and compressing tablet and supporting bracket, has improved heat exchanger effectiveness; The mode that cock body and radiator fan removably connect, can for convenience detachly install.
In order further to improve the hot driving efficiency in cock body, novel high-power Switching Power Supply of the present invention, tiltedly the medial surface of sheet 313 is vertical and be arranged at intervals with a plurality of auxiliary heat dissipation sheets 36 between the second ventilation hole 35.
In order to protect novel high-power Switching Power Supply of the present invention, the lateral surface that is positioned at connecting plate between top cover 11 and base plate 14 is also provided with Chain Link Fence 18.
In order to facilitate the automatic unlatching of radiator fan, novel high-power Switching Power Supply of the present invention, the medial surface of swash plate 12 is also provided with temperature detect switch (TDS) 19, and temperature detect switch (TDS) is electrically connected to radiator fan 33.
Novel high-power Switching Power Supply of the present invention, top cover 11, swash plate 12, sleeve 13 and base plate 14 are structure as a whole.
In order to facilitate removing and installing of cock body and radiator fan, novel high-power Switching Power Supply of the present invention, cock body 31 is threaded connection on mount pad 15, is provided with circular groove on top flat 311, is provided with rotary handle 314 in groove; Radiator fan 33 is arranged on the inner side of sleeve 13 by screw thread, the bottom of radiator fan 33 is provided with lower rotary handle 37.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.

Claims (7)

1. a novel high-power Switching Power Supply, it is characterized in that, comprise housing, main radiating subassembly and auxiliary heat dissipation assembly, wherein, described housing comprises annular top cover, be arranged on the swash plate of top cover inner side bending downwards, the sleeve of tubulose that is connected to swash plate bottom and the base plate that is vertically connected on the ring-type of sleeve bottom, the inner side of described top cover is provided with mount pad, and the inner side of described sleeve is fixed with the holder of ring-type;
Described main radiating subassembly comprises cock body, supporting bracket and radiator fan, described cock body comprise top flat and the compressing tablet of plate-like and be connected to top flat and compressing tablet between oblique sheet, described top flat, oblique sheet and compressing tablet are connected to reverse frustoconic, described cock body is detachably connected on described mount pad, described supporting bracket in described sleeve holder above slide, between described supporting bracket and compressing tablet, top is pressed with large power, electrically sub-element, between described supporting bracket and holder, be provided with spring, described radiator fan is column the bottom that is detachably connected on described sleeve;
Described auxiliary heat dissipation assembly comprises the connecting plate of tubulose and the fin that is vertically connected on connecting plate lateral surface, and the medial surface of described connecting plate is fixed with small power electric sub-element, and the top of described connecting plate and bottom are separately fixed on described top cover and base plate;
On described swash plate and sleeve, be provided with the first ventilation hole, on described oblique sheet and top flat, be provided with the second ventilation hole, the sidewall of described the first ventilation hole and described swash plate and sleeve is tangent.
2. novel high-power Switching Power Supply as claimed in claim 1, is characterized in that, the medial surface of described oblique sheet is vertical and be arranged at intervals with a plurality of auxiliary heat dissipation sheets between the second ventilation hole.
3. novel high-power Switching Power Supply as claimed in claim 1, is characterized in that, the lateral surface that is positioned at described connecting plate between described top cover and base plate is also provided with Chain Link Fence.
4. novel high-power Switching Power Supply as claimed in claim 1, is characterized in that, the medial surface of described swash plate is also provided with temperature detect switch (TDS), and described temperature detect switch (TDS) is electrically connected to described radiator fan.
5. novel high-power Switching Power Supply as claimed in claim 1, is characterized in that, described top cover, swash plate, sleeve and base plate are structure as a whole.
6. novel high-power Switching Power Supply as claimed in claim 1, is characterized in that, described cock body is threaded connection on described mount pad, is provided with circular groove on described top flat, in described groove, is provided with rotary handle.
7. novel high-power Switching Power Supply as claimed in claim 1, is characterized in that, described radiator fan is arranged on the inner side of described sleeve by screw thread, and the bottom of described radiator fan is provided with lower rotary handle.
CN201410295703.1A 2014-06-26 2014-06-26 Novel large-power switched-mode power supply Pending CN104052247A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410295703.1A CN104052247A (en) 2014-06-26 2014-06-26 Novel large-power switched-mode power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410295703.1A CN104052247A (en) 2014-06-26 2014-06-26 Novel large-power switched-mode power supply

Publications (1)

Publication Number Publication Date
CN104052247A true CN104052247A (en) 2014-09-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410295703.1A Pending CN104052247A (en) 2014-06-26 2014-06-26 Novel large-power switched-mode power supply

Country Status (1)

Country Link
CN (1) CN104052247A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107295791A (en) * 2017-08-21 2017-10-24 重庆路格科技有限公司 Heat dissipating method for Switching Power Supply

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107295791A (en) * 2017-08-21 2017-10-24 重庆路格科技有限公司 Heat dissipating method for Switching Power Supply
CN107295791B (en) * 2017-08-21 2019-02-22 重庆路格科技有限公司 Heat dissipating method for Switching Power Supply

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Application publication date: 20140917

WD01 Invention patent application deemed withdrawn after publication