CN2359726Y - Non-induction type low-voltage steady D. C. power supply module - Google Patents
Non-induction type low-voltage steady D. C. power supply module Download PDFInfo
- Publication number
- CN2359726Y CN2359726Y CN 98226614 CN98226614U CN2359726Y CN 2359726 Y CN2359726 Y CN 2359726Y CN 98226614 CN98226614 CN 98226614 CN 98226614 U CN98226614 U CN 98226614U CN 2359726 Y CN2359726 Y CN 2359726Y
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- CN
- China
- Prior art keywords
- supply module
- direct current
- low pressure
- voltage
- type low
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- Expired - Fee Related
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Abstract
The utility model relates to a non-induction type low-voltage steady DC power supply module, particularly a DC power supply module which is widely used in electronic electric appliance products and changes high voltage into low voltage, AC into DC, and fluctuation voltage into steady voltage. The DC power supply module has a plastic package casing and a down-lead pin. The utility model is characterized in that the DC power supply module also has an insulating medium, a polar board A, a polar board B, a printed circuit board and chip type electronic elements, wherein, a circuit connecting wire is printed on the printed circuit board; the chip type electronic elements: a resistor R1, diodes D1 to D4 and a voltage regulator diode D5 are welded on the printed circuit board; the polar boards A and B of C1 and C2 are respectively fabricated on the same insulating medium. The printed circuit board is surrounded and enswathed by capacitors which take the medium as base and have double structure; the periphery of the printed circuit board has the casing which is packed by injection molding.
Description
What the permanent steady direct current supply module of the non-inductance type low pressure of the utility model related to is a kind of being widely used in the electric equipment products, and high voltage variable low pressure, AC-DC, fluctuation voltage become the direct current supply module of permanent steady voltage.
At present, in electric equipment products, low-voltage DC supply all adopts inductance type appendiron core transformer transformation.The rectification circuit of forming by full-wave bridge rectifier heap (or piled by the full-wave bridge rectifier that four unilateal conduction diodes are formed) after the transformation carries out rectification.Finish the constant voltage of power pulse part stable by filter capacitor and stabilivolt at last.The permanent steady direct current supply mode of this traditional low pressure uses element many, and volume is big, complex structure, and the manufacturing cost height, assembling test link is many, and the cycle is long, and easily causes the fault of assembling and welding.The permanent steady direct current supply of particularly traditional low pressure, employing be iron core formula inductive transformer transformation, easily heating, Heavy Weight, power consumption is many, is that electric equipment products is to microminiature, the developing a great problem of pocketization.
The purpose of this utility model is the weak point that exists at the permanent steady direct current supply mode of present electric equipment products mesolow, a kind of microminiature, the permanent steady direct current supply module of non-inductance type low pressure are provided, adopting disposable chip electronic element with resistance-capacitance depressurization, rectification, filtering, voltage stabilizing is the basis by printed wiring board, and welding is wrapped up in around together regularly.Its advanced design is arranged compactness, and firm in structure, thermal value is low, and shock resistance is strong.And the outward appearance novelty, in light weight, volume is little, and weldability is good, and is easy to operate, safe and reliable.
The permanent steady direct current supply module of non-inductance type low pressure realizes in the following ways: primary structure is made up of plastic packaging shell, insulating medium, pole plate A, pole plate B, printed wiring board, terminal pin, chip electronic element.Terminal pin A and D connect power input, and the permanent steady direct current of low pressure is by lead-in wire B and C output.The end face of plastic packaging shell indicates and exchanges input marking and indicate direct current output identification anodal and negative pole.On printed wiring board, the chip electronic element resistance R that is printed on the connecting line of transformation, rectification, filtering, mu balanced circuit and is welded with transformation, rectification, filtering, voltage stabilizing function
1, diode D
1～D
4, voltage stabilizing diode D
5, on same insulating medium, be manufactured with C respectively
1And C
2Pole plate A and B, printed wiring board based on the double structure electric capacity of medium around and wrap, injection moulding package shell is arranged all around.Itself and air are completely cut off, with external insulation.Also reinforced simultaneously metal lead wire pin twisting strength in use.This multi-functional supply module adopts the vertical pancake of single row.On the end face of its plastic packaging shell, be printed on the sign such as model, specification, factory's name of product.Do not need to carry out secondary behind this module insertion wiring board and cut pin.
Permanent steady another characteristics of direct current supply module of non-inductance type low pressure are to adopt all-sealed plastics package shell.Chip electronic element and capacitor dielectric are thorough and air is isolated.Avoided not sealing leaky after the medium that causes makes moist and chip electronic element thereof because of contact the oxidation that causes over a long time with air because of medium.The product quality and the serviceable life of this module have been improved greatly.The shock strength of this module and the dirigibility of use have been strengthened.Its advanced and reasonable design, compact conformation, firm, thermal value is low, and shock resistance is strong, and is in light weight, volume is little, weldability good, and is easy to operate, safe and reliable, long service life.
The permanent steady direct current supply module of non-inductance type low pressure eliminated complex structure and heavy, and easily produce the appendiron core transformer of circuit magnetic interference.Save a large amount of silicon steel sheet metal materials and valuable copper metal material, reduced production cost.This technical products is easily gone into operation, and the production efficiency height is applicable to automated production, and economic benefit is considerable.
The utility model is described in further detail below with reference to accompanying drawing.
Fig. 1 is the front view of the permanent steady direct current supply module of non-inductance type low pressure.
Fig. 2 is the upward view of the permanent steady direct current supply module of non-inductance type low pressure.
Fig. 3 is the right view of the permanent steady direct current supply module of non-inductance type low pressure.
Fig. 4 is the permanent steady direct current supply module electronic schematic circuit of non-inductance type low pressure.
With reference to accompanying drawing, the permanent steady direct current supply module of non-inductance type low pressure is by plastic packaging shell (1), insulating medium (2), pole plate A (3), pole plate B (4), printed wiring board (5), and metal lead wire pin A, B, C, D (6), chip electronic element (7) are formed.Terminal pin A and D connect the ac high-voltage input, and C and B are the permanent steady direct current output of low pressure.Be printed on the circuit connecting wire of this module on the printed wiring board (5) and be welded with chip electronic element (7) resistance R
1, diode D
1～D
4, voltage stabilizing diode D
5And four of terminal pin (6) A, B, C, D.And firm welding, conducting is good, working stability.Insulating medium is manufactured with C respectively on (2)
1And C
2Pole plate A and pole plate B.Printed wiring board (5) by with medium double structure formula capacitor institute around and wrap.Be welded with the connection lead on several transverse planes of chip electronic element.To link up the galvanic circle.The plastic packaging shell has been intensity effect, the insulating effect of firm module and the effect that prevents medium electric leakage and chip electronic element oxygen.And the presentation quality and the serviceable life of improving this module.Lead-foot-line has four for not need to carry out the metal lead wire pin that secondary is cut pin, and wherein two are the interchange input, and two is the permanent steady direct current output of low pressure.Terminal pin is the metal stamping pancake, its top pointed shape.The permanent steady direct current supply module of non-inductance type low pressure is single row directly welded pancake, is provided with polarity mark and product type, specification, name of manufacturing factory sign at the end face of module plastic packaging shell.
With reference to accompanying drawing 4, diode D in the permanent steady direct current supply module electronic circuit of non-inductance type low pressure
1～D
4Connect into rectifier, capacitor C
2, voltage stabilizing diode D
5Parallel connection, two ends respectively with D
1～D
4Both positive and negative polarity is connected, capacitor C
1Resistance R
1Parallel connection, another termination of termination power D
1～D
4Ac power input end, D
1～D
4Another power input directly and AC power join.
Claims (3)
1, the permanent steady direct current supply module of a kind of non-inductance type low pressure, have plastic packaging shell, terminal pin, it is characterized in that also having insulating medium, pole plate A, pole plate B, printed wiring board, chip electronic element, on printed wiring board, be printed on the connecting line of transformation, rectification, filtering, mu balanced circuit and be welded with the chip electronic element resistance R
1, diode D
1～D
4, voltage stabilizing diode D
5, on same insulating medium, be manufactured with C respectively
1And C
2Pole plate A and B, printed wiring board by based on the double structure electric capacity of medium around and wrap, injection moulding package shell is arranged all around.
2, the permanent steady direct current supply module of non-inductance type low pressure according to claim 1 is characterized in that module is single row directly welded pancake.
3, the permanent steady direct current supply module of non-inductance type low pressure according to claim 1, it is characterized in that terminal pin is not need to carry out the metal lead wire pin that secondary is cut pin, wherein two are the interchange input, and two is the permanent steady direct current output of low pressure, terminal pin is a metallic flat shape, its top pointed shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98226614 CN2359726Y (en) | 1998-04-28 | 1998-04-28 | Non-induction type low-voltage steady D. C. power supply module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98226614 CN2359726Y (en) | 1998-04-28 | 1998-04-28 | Non-induction type low-voltage steady D. C. power supply module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2359726Y true CN2359726Y (en) | 2000-01-19 |
Family
ID=33977091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98226614 Expired - Fee Related CN2359726Y (en) | 1998-04-28 | 1998-04-28 | Non-induction type low-voltage steady D. C. power supply module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2359726Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104780277A (en) * | 2015-04-15 | 2015-07-15 | 成都杰迈科技有限责任公司 | Intelligent power management mobile phone system |
| CN105034249A (en) * | 2015-07-08 | 2015-11-11 | 中国海洋石油总公司 | Packaging method for while-drilling acoustic wave transducer |
-
1998
- 1998-04-28 CN CN 98226614 patent/CN2359726Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104780277A (en) * | 2015-04-15 | 2015-07-15 | 成都杰迈科技有限责任公司 | Intelligent power management mobile phone system |
| CN105034249A (en) * | 2015-07-08 | 2015-11-11 | 中国海洋石油总公司 | Packaging method for while-drilling acoustic wave transducer |
| CN105034249B (en) * | 2015-07-08 | 2017-12-15 | 中国海洋石油总公司 | A kind of method for packing with brill acoustic wave transducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |