CN103683906A - Electronic device - Google Patents
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- CN103683906A CN103683906A CN201210360215.5A CN201210360215A CN103683906A CN 103683906 A CN103683906 A CN 103683906A CN 201210360215 A CN201210360215 A CN 201210360215A CN 103683906 A CN103683906 A CN 103683906A
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- connector
- socket connector
- electric pressure
- electronic installation
- circuit board
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Abstract
This invention discloses an electronic device, comprising a first circuit board, a plurality of loads, a second circuit board and a plurality of DC/DC voltage converters which are welded on the second circuit board. The plurality of loads are welded on the first circuit board; the plurality of DC/DC voltage converters are used for receiving the inputted direct current voltage and are used for converting the inputted direct current voltage in order to produce various output direct current voltages which are respectively provided to the plurality of loads and supply power to the plurality of loads.
Description
Technical field
The present invention relates to a kind of electronic installation.
Background technology
Conventionally, electronic installation (such as television set, notebook computer etc.) generally includes power conversion chip and a plurality of load, and a plurality of loads can be CPU, loud speaker, a plurality of interface circuit (such as usb circuit), display etc.The effect of power conversion chip is for example, by input ac power (220V AC power) or converts input DC power to output dc voltage, to give a plurality of load supplyings.
Yet power conversion chip can produce stronger electromagnetic interference in the process of carrying out voltage transitions, because power conversion chip is to be jointly welded on same circuit board with a plurality of load, so a plurality of load meetings are subject to the impact of above-mentioned stronger electromagnetic interference.
Summary of the invention
Given this, be necessary to provide a kind of electronic installation that reduces electromagnetic interference.
An electronic installation, it comprises first circuit board, a plurality of load, second circuit board and is welded in a plurality of DC/DC electric pressure converters on second circuit board.The plurality of load is welded on first circuit board, and a plurality of DC/DC electric pressure converters are for receiving input direct voltage and for described input direct voltage being changed to produce respectively a plurality of different output dc voltages.A plurality of different output dc voltages are supplied to described a plurality of load, to give a plurality of load supplyings.
Above-mentioned electronic installation is because a plurality of loads are welded on first circuit board, a plurality of DC/DC electric pressure converters are welded on second circuit board, also be that a plurality of loads and a plurality of DC/DC electric pressure converter are not welded on same circuit board, reduced to a certain extent the impact on a plurality of loads of electromagnetic interference that a plurality of DC/DC electric pressure converters produce in carrying out voltage transitions process.
Accompanying drawing explanation
Fig. 1 is the exploded view of the electronic installation of a better embodiment.
Fig. 2 is the combination stereogram of electronic installation shown in Fig. 1.
Fig. 3 is the functional block diagram of electronic installation shown in Fig. 1.
Main element symbol description
| Electronic installation | 100 |
| |
10 |
| Load | 11、13、15、17、12、14、16、18 |
| The |
110 |
| The |
120 |
| Groove | 122 |
| |
20 |
| DC/DC |
22、24、26、28 |
| The |
210 |
| The |
220 |
| |
30 |
| AC/DC |
32 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1 and Fig. 2, the electronic installation 100 of a better embodiment comprises first circuit board 10, a plurality of load 11,13,15,17,12,14,16,18, the first pin connector 110, the second socket connector 120, second circuit board 20, a plurality of DC/DC electric pressure converter 22,24,26,28, the first socket connector 210, the second pin connector 220, tertiary circuit plate 30 and AC/DC electric pressure converter 32.
A plurality of loads 11,13,15,17,12,14,16,18 are welded on first circuit board 10, in the present embodiment, electronic installation 100 be take television set and is described as example, accordingly, a plurality of loads 11,13,15,17,12,14,16,18 be take respectively HDMI interface, VGA interface, USB interface, earphone interface, cpu chip, rectification chip, decoding chip, tuner and are described as example; Be understandable that, a plurality of loads can also comprise prerequisite other electronic units of television set.The first pin connector 110 and the second socket connector 120 are installed on first circuit board 10.
A plurality of DC/DC electric pressure converters 22,24,26,28 are welded on second circuit board 20, and the first socket connector 210 and the second pin connector 220 are installed on second circuit board 20.The first pin connector 110 on first circuit board 10 is plugged in the first socket connector 210 on second circuit board 20, the second pin connector 220 on second circuit board 20 is plugged in the second socket connector 120 on first circuit board 10, first circuit board 10 and second circuit board 20 are electrically connected, to realize the signal transmission between first circuit board 10 and second circuit board 20.
The second socket connector 120 offers groove 122, the first socket connectors 210 and offers groove (not shown), and the groove that the first socket connector 210 is offered is identical with the groove 122 that the second socket connector 120 is offered.As shown in Figure 2, particularly, the first pin connector 110 is for being plugged in the groove of the first socket connector 210, to be electrically connected with the first socket connector 210; The second pin connector 220 is for being plugged in the groove 122 of the second socket connector 120, to be electrically connected with the second socket connector 120.In the present embodiment, the first pin connector 110 and the second socket connector 122 be arranged in parallel, and the first socket connector 210 and the second pin connector 220 be arranged in parallel.In other embodiments, the first pin connector 110 and the vertical setting of the second socket connector 122, the first socket connector 210 and the vertical setting of the second pin connector 220.In addition, the pin total quantity of the first pin connector 110 can also be unequal with the pin total quantity of the second pin connector 220.The object of above-mentioned multiple setting is: prevent that the first pin connector 110 from mispluging into the second socket connector 120, prevent that the second pin connector 220 from mispluging into the first socket connector 210, guaranteed that the first pin connector 110 is accurately plugged in the first socket connector 210 and the second pin connector 220 is accurately plugged in the second socket connector 120.
In other embodiments, the first pin connector 110 is only installed on first circuit board 10 and the second socket connector 120 is not installed; Similarly, the first socket connector 210 is only installed on second circuit board 20 and the second pin connector 220, the first pin connectors 110 are not installed and be plugged in the first socket connector 210, can realize above-mentioned purpose equally.
AC/DC electric pressure converter 32 is welded on tertiary circuit plate 30.
As shown in Figure 3, function and the matching relationship of the included above-mentioned various electronic units of electronic installation 100 are described below:
AC/DC electric pressure converter 32 on tertiary circuit plate 30 for example, for example, for receiving the alternating voltage (, the alternating voltage of 220V) of outside input and converting above-mentioned alternating voltage to input direct voltage (5V or 12V or 5V and 12V).
A plurality of DC/DC electric pressure converters 22,24,26,28 on second circuit board 20 and AC/DC electric pressure converter 32 are electrically connected, and the mode of for example pegging graft by connector (not shown) or the mode connecting by conductor cable (not shown) are electrically connected.A plurality of DC/DC electric pressure converters 22,24,26,28 are for receiving input direct voltage and for above-mentioned input direct voltage being changed to produce respectively a plurality of different output dc voltages, above-mentioned conversion can comprise carries out step-down or the processing of boosting to input direct voltage.Above-mentioned a plurality of different output dc voltage is by the first pin connector 110 and the first socket connector 120 and transfer to respectively a plurality of loads 11,13,15,17,12,14,16,18 by the second pin connector 220 and the second socket connector 122, to give a plurality of load 11,13,15,17,12,14,16,18 power supplies, can meet the demand of 11,13,15,17,12,14,16,18 pairs of different power voltage of a plurality of loads.In other embodiments, above-mentioned a plurality of different output dc voltages also can transfer to respectively a plurality of loads 11,13,15,17,12,14,16,18 by conductor cable, to give a plurality of load 11,13,15,17,12,14,16,18 power supplies.
In the present embodiment, a plurality of DC/DC electric pressure converters 22,24,26,28 comprise a DC/DC electric pressure converter 22,24 and the 2nd DC/DC electric pressure converter 26,28, the one DC/DC electric pressure converter 22,24 is vibration pressurizer (English name is switching power IC), and it produces different output dc voltages by the mode of vibrating.The 2nd DC/DC electric pressure converter is linear voltage regulator [English name is LDO(linear regulator) power IC], and it produces different output dc voltages by linear mode.
Yet a DC/DC electric pressure converter the 22, the 24th, produces different output dc voltages by the mode of vibrating, it can produce stronger electromagnetic interference in voltage transitions process.Therefore, the present invention's electronic installation 100 is by being welded in second circuit board 20 by a DC/DC electric pressure converter 22,24, realize the isolation with first circuit board 10, therefore can reduce to a certain extent the impact on a plurality of loads 11,13,15,17,12,14,16,18 on first circuit board 10 of electromagnetic interference that a DC/DC electric pressure converter 22,24 produces.Thereby, with respect to voltage transitions chip in prior art (English name is power IC), be welded on first circuit board 10, can reduce to a certain extent the impact on the electronic devices and components of installing on first circuit board 10 of electromagnetic interference that voltage transitions chip produces.
In addition, the electronic installation 100 of present embodiment is owing to being welded with the second circuit board 20 and the separated setting of first circuit board 10 that is welded with a plurality of loads 11,13,15,17,12,14,16,18 of a plurality of DC/DC electric pressure converters 22,24,26,28, therefore can be in the time need to designing different loads in the face of different clients, can realize the sharing of second circuit board 20 that is welded with a plurality of DC/DC electric pressure converters 22,24,26,28, do not need again a plurality of DC/DC electric pressure converters 22,24,26,28 of design iterations, reduce design complexities yet.
Those skilled in the art will be appreciated that; above execution mode is only for the present invention is described; and be not used as limitation of the invention; as long as within connotation scope of the present invention, within the appropriate change that above embodiment is done and variation all drop on the scope of protection of present invention.
Claims (9)
1. an electronic installation, it comprises first circuit board and a plurality of load, the plurality of load is welded on first circuit board, it is characterized in that: this electronic installation also comprises second circuit board and be welded in a plurality of DC/DC electric pressure converters on second circuit board, the plurality of DC/DC electric pressure converter is for receiving input direct voltage and for described input direct voltage being changed to produce respectively a plurality of different output dc voltages; Described a plurality of different output dc voltage is supplied to described a plurality of load, to give a plurality of load supplyings.
2. electronic installation as claimed in claim 1, it is characterized in that: this electronic installation also comprises the first pin connector, the first socket connector, the second pin connector and the second socket connector, this first pin connector and the second socket connector are installed on first circuit board, and this first socket connector and the second pin connector are installed on second circuit board; This first pin connector is plugged in the first socket connector, this second pin connector is plugged in the second socket connector, makes a plurality of different output dc voltage that a plurality of DC/DC electric pressure converters produce by the first pin connector and the first socket connector and transfers to respectively described a plurality of load by the second pin connector and the second socket connector.
3. electronic installation claimed in claim 2, it is characterized in that: this first socket connector and the second socket connector all offer groove, this first pin connector is for being plugged in the groove of the first socket connector, to be electrically connected with the first socket connector; This second pin connector is for being plugged in the groove of the second socket connector, to be electrically connected with the second socket connector.
4. electronic installation as claimed in claim 1, it is characterized in that: the plurality of DC/DC electric pressure converter comprises a DC/DC electric pressure converter and the 2nd DC/DC electric pressure converter, the one DC/DC electric pressure converter produces different output dc voltages by the mode of vibration, and the 2nd DC/DC electric pressure converter produces different output dc voltages by linear mode.
5. electronic installation as claimed in claim 1, it is characterized in that: this electronic installation also comprises tertiary circuit plate and is welded in the AC/DC electric pressure converter on tertiary circuit plate, this AC/DC electric pressure converter and described a plurality of DC/DC electric pressure converter are electrically connected, and this AC/DC electric pressure converter is for receiving the alternating voltage of outside input and converting described alternating voltage to described input direct voltage.
6. electronic installation as claimed in claim 1, is characterized in that: this electronic installation is television set, and the plurality of load comprises cpu chip, tuner, rectification chip, decoding chip, HDMI interface, VGA interface, earphone interface, USB interface.
7. electronic installation as claimed in claim 3, is characterized in that: this first pin connector and the second socket connector be arranged in parallel, and this first socket connector and the second pin connector be arranged in parallel.
8. electronic installation as claimed in claim 3, is characterized in that: this first pin connector arranges with the second socket connector is vertical, and this first socket connector arranges with the second pin connector is vertical.
9. electronic installation as claimed in claim 2, is characterized in that: the pin total quantity of this first pin connector and the pin total quantity of the second pin connector are unequal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210360215.5A CN103683906A (en) | 2012-09-25 | 2012-09-25 | Electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210360215.5A CN103683906A (en) | 2012-09-25 | 2012-09-25 | Electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103683906A true CN103683906A (en) | 2014-03-26 |
Family
ID=50320486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210360215.5A Pending CN103683906A (en) | 2012-09-25 | 2012-09-25 | Electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103683906A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113068305A (en) * | 2019-12-31 | 2021-07-02 | 技嘉科技股份有限公司 | Power supply device |
-
2012
- 2012-09-25 CN CN201210360215.5A patent/CN103683906A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113068305A (en) * | 2019-12-31 | 2021-07-02 | 技嘉科技股份有限公司 | Power supply device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140326 |