CN202167998U - AC/DC tablet power supply with ultra-low height - Google Patents
AC/DC tablet power supply with ultra-low height Download PDFInfo
- Publication number
- CN202167998U CN202167998U CN2011202170117U CN201120217011U CN202167998U CN 202167998 U CN202167998 U CN 202167998U CN 2011202170117 U CN2011202170117 U CN 2011202170117U CN 201120217011 U CN201120217011 U CN 201120217011U CN 202167998 U CN202167998 U CN 202167998U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- power supply
- pcb circuit
- lower cover
- millimeters
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Rectifiers (AREA)
Abstract
The utility model discloses an AC/DC tablet power supply with ultra-low height, wherein the power module consists of a shell, an EMI filter circuit, a surge protective circuit, an AC/DC converter power circuit, and the like. The AC/DC tablet power supply with ultra-low height adopts the design way of low-high power element, filter element and embedded high-insulating design and adopts the terminal lead-out mode. The AC/DC tablet power supply realizes the aim that the module has the height not more than 12.7mm and the power density of 10W/in3 under the requirements of the power of 30 to 150W and the performance level, and can be used without peripheric elements, thus meeting the occasions having higher requirement on the height of the AC/DC power supply. The AC/DC tablet power supply with ultra-low height has small thickness and high power density, has good radiating effect by adopting the embedded metal shell, is designed in a standardized and serialized way, and has wide application.
Description
Technical field
The utility model relates to the dull and stereotyped power supply of a kind of AC/DC, specifically, relates to the dull and stereotyped power supply of a kind of Very Low Clearance AC/DC.
Background technology
At present, generally, the volume of importing high pressure, insulation and industrial frequency rectifying filter capacitor because of the AC/DC power supply is bigger; The height of standard separate AC/DC power supply is more than 35 millimeters, and the height of part A C/DC power supply can hang down to 15.4 millimeters in recent years, but only belongs to auxiliary products; Power is little; Parameter is fixed, and is the other products annex, no applicability.
The utility model content
The utility model technical issues that need to address just are to overcome the existing technical barrier that height insulate in order to satisfy, the filter capacitor volume can't reduce AC/DC power supply height greatly; A kind of dull and stereotyped power supply of separate AC/DC that can reduce height is provided, and it has realized the standardization of products, seriation.
The utility model solves the technical scheme that its technical problem adopted:
The dull and stereotyped power supply of a kind of Very Low Clearance AC/DC comprises PCB circuit board, transformer, upper and lower plates electric capacity, lead terminal, power component and upper and lower cover plate.Upper cover plate is fixed on the lower cover through screw, and its total height is 17.5 millimeters, and the PCB circuit board is fixed between the upper and lower cover plate, apart from 7 millimeters of lower covers; Lead terminal is fixed on the lower cover, highly is not more than 15 millimeters; The power component pin is welded on the PCB circuit board; But its top sticks on the lower cover through insulating ceramic film; The transformer pin is welded on the PCB circuit board but its shell near lower cover sticks on the lower cover through insulating ceramic film; In perforate on the PCB circuit board of position resolver, transformer passes the PCB circuit board; Upper and lower plates electric capacity pin is welded on PCB circuit board tow sides, and high-voltage filtering capacitor passes the perforate of PCB circuit board, and is welded on the PCB circuit board.
The dull and stereotyped power supply of said Very Low Clearance AC/DC, its high-voltage filtering capacitor is 10 millimeters of diameters, the 400V18UF electric capacity that length is 20 millimeters carries out industrial frequency rectifying filtering by two or 12 parallel connections.
The dull and stereotyped power supply of said Very Low Clearance AC/DC, its transformer adopting low clearance crystallite magnet ring coiling can be satisfied high efficiency, high coupling and the high needs that insulate.
The needs and the reduction no-load loss that adopt the frame-skipping circuit to reduce industrial frequency rectifying filter capacitor capacity satisfy AC/DC product no-load loss standard;
Adopt the master control power chip of ESIP-7C encapsulation to come reduced volume;
Adopt the embedded metal shell mechanism to guarantee integral heat dissipation and stability;
Adopt ceramic substrate to guarantee insulation and heat radiation;
Adopting compact package safety standard electric capacity to carry out safety standard sets;
Built-in input, output filter and input anti-surge circuit.
The utlity model has advantage:
1, highly is 17.5 millimeters, satisfies low back of the bodyization trend;
2, power density can reach 10W/in3, satisfies trend toward miniaturization with power level;
3, plane radiating mode, natural cooling effect is better, and need not to add cooling measure can use;
4, standardization, tandem product design can adapt to parameter requests such as global general-use input voltage, output voltage and power, and adaptability is wider;
5, no-load loss, insulation, Electro Magnetic Compatibility etc. satisfy CCC, CE and EN standard.
The beneficial effect of the utility model is: the dull and stereotyped power supply thinner thickness of Very Low Clearance AC/DC, and power density is high; Adopt embedded metal shell good heat dissipation effect; Standardization, seriation design, wide adaptability.
Description of drawings
Fig. 1 is the dull and stereotyped power supply architecture sketch map of the utility model Very Low Clearance AC/DC.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
As shown in Figure 1, the dull and stereotyped power supply of the utility model Very Low Clearance AC/DC comprises PCB circuit board 1, transformer 2, upper and lower plates electric capacity 3, lead terminal 4, power component 5 and upper and lower cover plate 76; Upper cover plate 7 is fixed on the lower cover 6 through screw, and its total height is 17.5 millimeters, and PCB circuit board 1 is fixed between the upper and lower cover plate 76, apart from 7 millimeters of lower covers; Lead terminal 4 is fixed on the lower cover 6, highly is not more than 15 millimeters; Power component 5 pins are welded on PCB circuit board 1; But its top sticks on the lower cover 6 through insulating ceramic film; Transformer 2 pins are welded on PCB circuit board 1; But its shell near lower cover 6 sticks on the lower cover 6 through insulating ceramic film, and in perforate on the PCB circuit board 1 of transformer 2 positions, transformer 2 passes PCB circuit board 1; Upper and lower plates electric capacity 3 pins are welded on PCB circuit board 1 tow sides, and high-voltage filtering capacitor passes the perforate of PCB circuit board 1, and are welded on the PCB circuit board 1.
The dull and stereotyped power supply of said Very Low Clearance AC/DC, its high-voltage filtering capacitor is 10 millimeters of diameters, the 400V18UF electric capacity that length is 20 millimeters carries out industrial frequency rectifying filtering by two or 12 parallel connections.
The dull and stereotyped power supply of said Very Low Clearance AC/DC, its transformer 2 adopts the coiling of low clearance crystallite magnet ring.
These series of products adopt integrated control and power circuit chip TOP261LN to carry out master control and master power switch; Daily use chemicals KXJ series microminiature high pressure high power capacity filter capacitor is done power frequency filtering; The iron-based crystallite magnet ring coiling transformer of customization profile, VAC ultracrystallite power filter inductance, T3IE type microminiature splicing ear; The shell of customization carries out integrated fixing and heat radiation, and the ceramic substrate of customization carries out the insulation and the heat radiation of power component and shell.Table 1 and table 2 are comparisons of domestic typical products and the utility model characteristic and height dimension.
The characteristic of domestic certain typical products of table 1 and height dimension
| Manufacturer | Model | Long * wide * high (mm) | Power density (W/in 3) | Efficient % |
| The space flight power supply | Q144 | 180*120*35 | 3.2 | 80 |
Table 2 is the characteristic and the size of the utility model Very Low Clearance AC/DC power module representative products
| Divide series | Rated power | Long * wide * high (mm) | Power density (W/in 3) | Efficient % |
| IQZMA | 150W | 140×100×17.5 | 10 | 87 |
The utility model is not limited to above-mentioned preferred forms, and other any identical with the utility model or akin products that anyone draws under the enlightenment of the utility model all drop within the protection range of the utility model.
Claims (3)
1. the dull and stereotyped power supply of Very Low Clearance AC/DC comprises PCB circuit board (1), transformer (2), upper and lower plates electric capacity (3), lead terminal (4), power component (5) and upper and lower cover plate (7) (6); It is characterized in that: upper cover plate (7) is fixed on the lower cover (6) through screw, and its total height is 17.5 millimeters, and PCB circuit board (1) is fixed between the upper and lower cover plate (7) (6), apart from (6) 7 millimeters of lower covers; Lead terminal (4) is fixed on the lower cover (6), highly is not more than 15 millimeters; Power component (5) pin is welded on PCB circuit board (1); But its top sticks on the lower cover (6) through insulating ceramic film; Transformer (2) pin is welded on PCB circuit board (1) but its shell near lower cover (6) sticks on the lower cover (6) through insulating ceramic film; PCB circuit board (1) over against transformer (2) position is gone up perforate, and transformer (2) passes PCB circuit board (1); Upper and lower plates electric capacity (3) pin is welded on PCB circuit board (1) tow sides, and high-voltage filtering capacitor passes the perforate of PCB circuit board (1), and is welded on the PCB circuit board (1).
2. the dull and stereotyped power supply of Very Low Clearance AC/DC according to claim 1, it is characterized in that: high-voltage filtering capacitor is 10 millimeters of diameters, the 400V18UF electric capacity that length is 20 millimeters carries out industrial frequency rectifying filtering by two or 12 parallel connections.
3. the dull and stereotyped power supply of Very Low Clearance AC/DC according to claim 1 is characterized in that: transformer (2) adopts the coiling of low clearance crystallite magnet ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202170117U CN202167998U (en) | 2011-06-24 | 2011-06-24 | AC/DC tablet power supply with ultra-low height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202170117U CN202167998U (en) | 2011-06-24 | 2011-06-24 | AC/DC tablet power supply with ultra-low height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202167998U true CN202167998U (en) | 2012-03-14 |
Family
ID=45803800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202170117U Expired - Fee Related CN202167998U (en) | 2011-06-24 | 2011-06-24 | AC/DC tablet power supply with ultra-low height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202167998U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374477A (en) * | 2015-07-23 | 2017-02-01 | 利思电气（上海）有限公司 | Miniature high-voltage active power filtering device |
| CN110417252A (en) * | 2019-07-17 | 2019-11-05 | 陕西千山航空电子有限责任公司 | A kind of power filter box |
-
2011
- 2011-06-24 CN CN2011202170117U patent/CN202167998U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374477A (en) * | 2015-07-23 | 2017-02-01 | 利思电气（上海）有限公司 | Miniature high-voltage active power filtering device |
| CN110417252A (en) * | 2019-07-17 | 2019-11-05 | 陕西千山航空电子有限责任公司 | A kind of power filter box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202167998U (en) | AC/DC tablet power supply with ultra-low height | |
| CN206294066U (en) | A kind of filtering system for suppressing power module common-mode noise | |
| CN103151170A (en) | Thin film capacitor for high power three-phase alternating-current filtering occasion | |
| CN202918207U (en) | Ultrathin AC/DC sound power supply | |
| CN201332023Y (en) | Combined capacitor for filtering and resonant vibration | |
| CN202260446U (en) | PCB mounting DC power-supply filter | |
| CN204066973U (en) | Flat surface transformer | |
| CN204157216U (en) | Electromagnetic interference filter | |
| CN202197104U (en) | Power unit of active power filter | |
| CN205912379U (en) | Electric cabinet with high integration | |
| CN202167991U (en) | DC/DC power module with ultra-low height | |
| CN203552859U (en) | Inductor | |
| CN208836465U (en) | A kind of high-power low pressure inverter structure | |
| CN203761682U (en) | Magnetic cell with winding being integrated on printed circuit board, and heat dissipation structure for winding | |
| CN201717090U (en) | Small oil tank of magnetic control reactor | |
| CN201514835U (en) | Choke coil | |
| CN204696927U (en) | Very Low Clearance DC/DC dual-output power supply module | |
| CN204669240U (en) | Integrated AC/DC tri-road out-put supply module | |
| CN218648726U (en) | Low-voltage square wave input switching power supply | |
| CN205178897U (en) | Dc -to -ac converter and power mainboard thereof | |
| CN218941593U (en) | Novel power supply of device stacking structure | |
| CN205792232U (en) | Power-supply filter module | |
| CN204244058U (en) | A kind of high power UPS | |
| CN208738019U (en) | Thunder-lightning over-voltage toroidal transformer | |
| CN204102695U (en) | Current transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20170624 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |