CN205356123U - Synchronous Rectifier high frequency switching power supply - Google Patents
Synchronous Rectifier high frequency switching power supply Download PDFInfo
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- CN205356123U CN205356123U CN201620028753.8U CN201620028753U CN205356123U CN 205356123 U CN205356123 U CN 205356123U CN 201620028753 U CN201620028753 U CN 201620028753U CN 205356123 U CN205356123 U CN 205356123U
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Abstract
The utility model discloses synchronous Rectifier high frequency switching power supply includes the operating circuit of installing on aluminium base board, the operating circuit includes consecutive rectifier circuit, high frequency filter anti -jamming circuit, switching power supply circuit and rectifying and wave -filtering regulation circuit, the transformer that inserts the rectifier circuit input includes transformer body (4), transformer body (4) include primary winding assembly (1), secondary assembly (2) and iron core (3), primary winding assembly (1) and secondary assembly (2) is formed by stacking by the copper sheet, it is downthehole that the iron core of the copper sheet that constitutes primary winding assembly (1) and secondary assembly (2) is inserted in iron core (3). The utility model discloses synchronous Rectifier high frequency switching power supply small and dispel the heat.
Description
Technical field
This utility model relates to a kind of synchronous rectification high frequency switch power, belongs to electric and electronic technical field.
Background technology
At present, power supply is the power set of various electrical equipment, is the basic product of electronics industry.Switch power technology is then most widely used in power supply is also have development potentiality most.Along with the development of Power Electronic Technique, the efficiency of Switching Power Supply also increasingly comes into one's own.Synchronous rectification is to adopt the extremely low power MOSFET of on state resistance to replace traditional diode, under low-voltage and high-current environment, can greatly reduce the loss of commutator, raising efficiency.
But, for synchronous rectification high frequency switch power, and there are two big insoluble problems, one, for the transformator used by rectification circuit, in particular for the transformator on high frequency switch power, what overwhelming majority producer was conventional is all coil winding arrangement, namely at the two ends of annular core, coiling constitutes armature winding and secondary windings respectively, but, this kind of transformer core leakage field is big, and structure is complicated, produce installation convenient not, and winding space demand is big, causes that whole volume of transformer is huge, and the occasion less for installing space cannot be suitable for；Two, heat dissipation problem, while power supply process, can produce substantial amounts of heat, and for individual devices such as transformators, after being installed in casing, narrow space, it is impossible to the heat dissipation wind channel of design specialized, thus causing that heat dispersion is poor.
Summary of the invention
The purpose of this utility model is in that to overcome above-mentioned deficiency, it is provided that a kind of volume is little and the synchronous rectification high frequency switch power of good heat dissipation.
The purpose of this utility model is achieved in that
A kind of synchronous rectification high frequency switch power, described power supply includes the operating circuit being installed on aluminium base, described operating circuit includes rectification circuit, High frequency filter anti-jamming circuit, switching power circuit and rectification filtering voltage stabilizing circuit, the outfan of described rectification circuit is connected with the input of High frequency filter anti-jamming circuit, the outfan of High frequency filter anti-jamming circuit is connected with the input of switching power circuit, and the outfan of switching power circuit is connected with the input of rectification filtering voltage stabilizing circuit；The transformator accessing rectification circuit input end includes transformer body, and described transformer body includes armature winding assembly, secondary windings assembly and iron core；Described armature winding assembly and secondary windings assembly are formed by stacking by copper sheet, and described iron core inserts in the iron core hole of the copper sheet constituting armature winding assembly and secondary windings assembly；
This utility model one synchronous rectification high frequency switch power, described aluminium base is vertically provided with multiple vertical through holes, described aluminium base is horizontally arranged with multiple cross through hole, and does not mutually connect between vertical through holes and cross through hole.
This utility model one synchronous rectification high frequency switch power, described armature winding assembly is overrided to form up and down by the single winding of multiple primary, the single winding of described primary includes primary copper sheet, described primary copper sheet is provided centrally with primary iron core hole, so that primary copper sheet is a circulus, and this circulus has a primary slot segmentation, making primary copper sheet is an inc circulus, described primary copper sheet is provided with conductive electrode after primary preceding electrode and primary, and after primary preceding electrode and primary, conductive electrode is positioned at the both sides of primary slot segmentation；The single winding of described primary is coated with insulating barrier；
The single winding of multiple primary constituting armature winding assembly is sequentially overlapped from lower to upper, and conductive electrode moves the width of an electrode successively from left to right after the primary preceding electrode of the neighbouring single winding of primary and primary, so that conductive electrode is superimposed with the primary preceding electrode of the single winding of primary above after the primary of the single winding of primary being positioned below, and it is weldingly connected；What the single winding of multiple primary was constituted after being sequentially overlapped from lower to upper constitutes the primary preceding electrode of the single winding of primary of bottom in armature winding assembly is that after the primary of single winding, conductive electrode constitutes input/output terminal with the primary of the top.
This utility model one synchronous rectification high frequency switch power, described secondary windings assembly is overrided to form up and down by two single windings of secondary, the single winding of described secondary includes secondary copper sheet, described secondary copper sheet is provided centrally with secondary iron core hole, so that secondary copper sheet is a circulus, and this circulus has once level slot segmentation, making secondary copper sheet is an inc circulus, described secondary copper sheet is provided with conductive electrode after secondary preceding electrode and secondary, and after secondary preceding electrode and secondary, conductive electrode is positioned at the both sides of secondary slot segmentation；The single winding of described secondary is coated with insulating barrier；
Two the single windings of secondary constituting secondary windings assembly are formed by stacking up and down, and the secondary preceding electrode of conductive electrode and the single winding of secondary above presses together the centre tap constituting secondary windings assembly after the secondary of the single winding of secondary being positioned below, after the secondary preceding electrode of the single winding of secondary being positioned below and the secondary of the single winding of secondary above, conductive electrode constitutes the input/output terminal of secondary windings assembly.
This utility model one synchronous rectification high frequency switch power, described aluminium base is provided with temperature sensor and wireless transmitter module, and described wireless transmitter module is connected with temperature sensor.
Compared with prior art, the beneficial effects of the utility model are:
This utility model is by a vertically arranged iron core conduction magnetic force, and iron core is completely in iron core through hole, and almost without exposed in extraneous part, therefore leakage field is little；And substitute the primary of routine, secondary windings by copper sheet, simple in construction, and whole volume of transformer that the copper sheet of flattening makes is less, it is more convenient for being installed on some miniaturized application occasions, and for the customer demand that different size requires, it is possible to arbitrarily the quantity of armature winding assembly and secondary windings assembly is modified, change thus realizing achieving the turn ratio to transformator easily, be conducive to improving the suitability of product, improve its market competitiveness；And by after transformator flattening, Miniaturization Design, it is possible to it is installed on aluminium base, even if so that it installs in little space-bin has higher heat conduction, heat-sinking capability too.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rectification circuit house transformer on this utility model synchronous rectification high frequency switch power.
Fig. 2 is the structural representation at another visual angle of the rectification circuit house transformer on this utility model synchronous rectification high frequency switch power.
Fig. 3 is the schematic diagram of the single winding construction constituting armature winding assembly of the rectification circuit house transformer on this utility model synchronous rectification high frequency switch power.
Fig. 4 is the schematic diagram of the single winding construction constituting secondary windings assembly of the rectification circuit house transformer on this utility model synchronous rectification high frequency switch power.
Fig. 5 is the assembling process schematic diagram of the armature winding assembly of the rectification circuit house transformer on this utility model synchronous rectification high frequency switch power.
Fig. 6 is the assembling process schematic diagram of the secondary windings assembly of the rectification circuit house transformer on this utility model synchronous rectification high frequency switch power.
Fig. 7 is the assembling process schematic diagram of the rectification circuit house transformer on this utility model synchronous rectification high frequency switch power.
Fig. 8 is the circuit block diagram of this utility model synchronous rectification high frequency switch power.
Wherein:
Armature winding assembly 1, secondary windings assembly 2, iron core 3, transformer body 4, housing 5, press-fit part 6；
Primary copper sheet 1.1, conductive electrode 1.5 after primary iron core hole 1.2, primary slot segmentation 1.3, primary preceding electrode 1.4, primary；
Secondary copper sheet 2.1, conductive electrode 2.5 after secondary iron core hole 2.2, secondary slot segmentation 2.3, secondary preceding electrode 2.4, secondary；
Lower box body 5.1, upper box cover 5.2；
Bottom plate 6.1, upper mounted plate 6.2, fixing bolt 6.3.
Detailed description of the invention
Referring to Fig. 1 ~ 8, a kind of synchronous rectification high frequency switch power that this utility model relates to, described power supply includes the operating circuit being installed on aluminium base, described operating circuit includes rectification circuit, High frequency filter anti-jamming circuit, switching power circuit and rectification filtering voltage stabilizing circuit, the outfan of described rectification circuit is connected with the input of High frequency filter anti-jamming circuit, the outfan of High frequency filter anti-jamming circuit is connected with the input of switching power circuit, and the outfan of switching power circuit is connected with the input of rectification filtering voltage stabilizing circuit；
Preferably, described aluminium base is vertically provided with multiple vertical through holes, described aluminium base is horizontally arranged with multiple cross through hole, and does not mutually connect between vertical through holes and cross through hole, thus being used for increasing its heat-sinking capability；
Further, the transformator of described access rectification circuit input end is installed on aluminium base equally, and this transformator includes transformer body 4, and described transformer body 4 includes armature winding assembly 1, secondary windings assembly 2 and iron core 3；
Referring to Fig. 3 and Fig. 5, described armature winding assembly 1 is overrided to form up and down by the single winding of multiple primary, the single winding of described primary includes primary copper sheet 1.1, described primary copper sheet 1.1 is provided centrally with primary iron core hole 1.2, so that primary copper sheet 1.1 is in a circulus, and this circulus has a primary slot segmentation 1.3, make primary copper sheet 1.1 in an inc circulus, described primary copper sheet 1.1 is provided with conductive electrode 1.5 after primary preceding electrode 1.4 and primary, and conductive electrode 1.5 is positioned at the both sides of primary slot segmentation 1.3 after primary preceding electrode 1.4 and primary；The single winding of described primary is coated with insulating barrier；
Referring to Fig. 5, the single winding of multiple primary constituting armature winding assembly 1 is sequentially overlapped from lower to upper, the primary iron core hole 1.2 of the single winding of multiple primary is respectively positioned on same position, primary iron core hole 1.2 will not be blocked, so that the later stage assembles inserts ferrum core, and conductive electrode 1.5 moves the width of an electrode successively from left to right after the primary preceding electrode 1.4 of the neighbouring single winding of primary and primary, after the primary preceding electrode 1.4 of the single winding of primary namely above and primary, after the primary preceding electrode 1.4 of the single winding of primary that conductive electrode 1.5 is more adjacent than being positioned below and primary, conductive electrode 1.5 offsets to the right the width of an electrode, so that conductive electrode 1.5 is superimposed with the primary preceding electrode 1.4 of the single winding of primary above after the primary of the single winding of primary being positioned below, and it is weldingly connected；What the single winding of multiple primary was constituted after being sequentially overlapped from lower to upper constituted the primary preceding electrode 1.4 of the single winding of primary of bottom in armature winding assembly 1 be with the primary of the single winding of primary of the top after conductive electrode 1.5 constitute input/output terminal, each primary single winding can be similar to and be interpreted as being equivalent to a turn coil, the single winding of multiple primary is organizes coil more, conduct current is as shown in Figure 5, after input, after by the primary of the single winding of the primary of lower section, conductive electrode 1.5 flows into the primary preceding electrode 1.4 being positioned at adjacent and above, successively through being exported by input after flowing；
Referring to Fig. 4 and Fig. 6, described secondary windings assembly 2 is overrided to form up and down by two single windings of secondary, the single winding of described secondary includes secondary copper sheet 2.1, described secondary copper sheet 2.1 is provided centrally with secondary iron core hole 2.2, so that secondary copper sheet 2.1 is in a circulus, and this circulus has once level slot segmentation 2.3, make secondary copper sheet 2.1 in an inc circulus, described secondary copper sheet 2.1 is provided with conductive electrode 2.5 after secondary preceding electrode 2.4 and secondary, and conductive electrode 2.5 is positioned at the both sides of secondary slot segmentation 2.3 after secondary preceding electrode 2.4 and secondary；The single winding of described secondary is coated with insulating barrier；
Referring to Fig. 6, two the single windings of secondary constituting secondary windings assembly 2 are formed by stacking that (its secondary preceding electrode 2.4 and the position of conductive electrode after secondary 2.5 are regular consistent with arranging in armature winding assembly 1 up and down, it is and offsets to the right an electrode width successively, to realize being crisscross arranged up and down), and conductive electrode 2.5 presses together, with the secondary preceding electrode 2.4 of the single winding of secondary above, the centre tap constituting secondary windings assembly 1 after the secondary of the single winding of secondary being positioned below, after the secondary preceding electrode 2.4 of the single winding of secondary being positioned below and the secondary of the single winding of secondary above, conductive electrode 2.5 constitutes the input/output terminal of secondary windings assembly 2；
Referring to Fig. 7, armature winding assembly 1 and secondary windings assembly 2 are respectively by superposition upper and lower after wrapped with insulation, and one iron core 3 insert in primary iron core hole 1.2 and secondary iron core hole 2.2, thus the quantity constituting a complete transformer body 4(armature winding assembly 1 and secondary windings assembly 2 can select according to the demand of client, to realize the transformator of different size)；
During work, the electric current passed in armature winding assembly 1 flows through (being equivalent to multiple coil) in multiple primary copper sheets 1.1, and two secondary copper sheets 2.1 that the electromagnetic induction of generation passes in secondary windings assembly 2 through iron core 3, thus realizing transformator function；
Meanwhile, in order to increase overall portability and the mounting stability of transformator, described transformer body 4 is arranged in housing 5, concretely, described housing 5 includes lower box body 5.1, and above-mentioned transformer body 4 is positioned in this lower box body 5.1, and upper box cover 5.2 is pressed on lower box body 5.1；
And in order to increase the fastness of connection, the bottom of described lower box body 5.1 is provided with bottom plate 6.1, and the top of described upper box cover 5.2 is provided with upper mounted plate 6.2, it is connected by bolt between described bottom plate 6.1 and upper mounted plate 6.2.
Preferably, described aluminium base is provided with temperature sensor, for its temperature is carried out monitor in real time；Further, described aluminium base being also equipped with wireless transmitter module, described wireless transmitter module is connected with temperature sensor, for sending temperature to background server.
Additionally: it should be noted that above-mentioned detailed description of the invention is only a prioritization scheme of this patent, any change that those skilled in the art does according to above-mentioned design or improvement, all within the protection domain of this patent.
Claims (5)
1. a synchronous rectification high frequency switch power, it is characterized in that: described power supply includes the operating circuit being installed on aluminium base, described operating circuit includes rectification circuit, High frequency filter anti-jamming circuit, switching power circuit and rectification filtering voltage stabilizing circuit, the outfan of described rectification circuit is connected with the input of High frequency filter anti-jamming circuit, the outfan of High frequency filter anti-jamming circuit is connected with the input of switching power circuit, and the outfan of switching power circuit is connected with the input of rectification filtering voltage stabilizing circuit；The transformator accessing rectification circuit input end includes transformer body (4), and described transformer body (4) includes armature winding assembly (1), secondary windings assembly (2) and iron core (3)；Described armature winding assembly (1) and secondary windings assembly (2) are formed by stacking by copper sheet, and described iron core (3) inserts in the iron core hole of the copper sheet constituting armature winding assembly (1) and secondary windings assembly (2).
2. a kind of synchronous rectification high frequency switch power as claimed in claim 1, it is characterised in that: described aluminium base is vertically provided with multiple vertical through holes, described aluminium base is horizontally arranged with multiple cross through hole, and does not mutually connect between vertical through holes and cross through hole.
3. a kind of synchronous rectification high frequency switch power as claimed in claim 1 or 2, it is characterized in that: described armature winding assembly (1) is overrided to form up and down by the single winding of multiple primary, the single winding of described primary includes primary copper sheet (1.1), described primary copper sheet (1.1) is provided centrally with primary iron core hole (1.2), so that primary copper sheet (1.1) is in a circulus, and this circulus has a primary slot segmentation (1.3), make primary copper sheet (1.1) in an inc circulus, described primary copper sheet (1.1) is provided with conductive electrode (1.5) after primary preceding electrode (1.4) and primary, and conductive electrode (1.5) is positioned at the both sides of primary slot segmentation (1.3) after primary preceding electrode (1.4) and primary；The single winding of described primary is coated with insulating barrier；
The single winding of multiple primary constituting armature winding assembly (1) is sequentially overlapped from lower to upper, and conductive electrode (1.5) moves the width of an electrode successively from left to right after the primary preceding electrode (1.4) of the neighbouring single winding of primary and primary, so that conductive electrode (1.5) is superimposed with the primary preceding electrode (1.4) of the single winding of primary above after the primary of the single winding of primary being positioned below, and it is weldingly connected；In composition armature winding assembly (1) that the single winding of multiple primary is constituted after being sequentially overlapped from lower to upper the primary preceding electrode (1.4) of the single winding of primary of bottom be and the top the single winding of primary primary after conductive electrode (1.5) composition input/output terminal.
4. a kind of synchronous rectification high frequency switch power as claimed in claim 3, it is characterized in that: described secondary windings assembly (2) is overrided to form up and down by two single windings of secondary, the single winding of described secondary includes secondary copper sheet (2.1), described secondary copper sheet (2.1) is provided centrally with secondary iron core hole (2.2), so that secondary copper sheet (2.1) is in a circulus, and this circulus has once level slot segmentation (2.3), make secondary copper sheet (2.1) in an inc circulus, described secondary copper sheet (2.1) is provided with conductive electrode (2.5) after secondary preceding electrode (2.4) and secondary, and conductive electrode (2.5) is positioned at the both sides of secondary slot segmentation (2.3) after secondary preceding electrode (2.4) and secondary；The single winding of described secondary is coated with insulating barrier；
Two the single windings of secondary constituting secondary windings assembly (2) are overrided to form up and down, and the secondary preceding electrode (2.4) of conductive electrode (2.5) and the single winding of secondary above presses together the centre tap constituting secondary windings assembly (1) after the secondary of the single winding of secondary being positioned below, after the secondary preceding electrode (2.4) of the single winding of secondary being positioned below and the secondary of the single winding of secondary above, conductive electrode (2.5) constitutes the input/output terminal of secondary windings assembly (2).
5. a kind of synchronous rectification high frequency switch power as claimed in claim 1, it is characterised in that: being provided with temperature sensor and wireless transmitter module on described aluminium base, described wireless transmitter module is connected with temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620028753.8U CN205356123U (en) | 2016-01-13 | 2016-01-13 | Synchronous Rectifier high frequency switching power supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620028753.8U CN205356123U (en) | 2016-01-13 | 2016-01-13 | Synchronous Rectifier high frequency switching power supply |
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| CN205356123U true CN205356123U (en) | 2016-06-29 |
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| CN201620028753.8U Active CN205356123U (en) | 2016-01-13 | 2016-01-13 | Synchronous Rectifier high frequency switching power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114300240A (en) * | 2022-01-14 | 2022-04-08 | 深圳市康硕科技有限公司 | High-density high-power flat transformer and assembling method thereof |
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2016
- 2016-01-13 CN CN201620028753.8U patent/CN205356123U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114300240A (en) * | 2022-01-14 | 2022-04-08 | 深圳市康硕科技有限公司 | High-density high-power flat transformer and assembling method thereof |
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