CN203813655U - Topological structure of power supply - Google Patents
Topological structure of power supply Download PDFInfo
- Publication number
- CN203813655U CN203813655U CN201420067191.9U CN201420067191U CN203813655U CN 203813655 U CN203813655 U CN 203813655U CN 201420067191 U CN201420067191 U CN 201420067191U CN 203813655 U CN203813655 U CN 203813655U
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- circuit
- voltage signal
- current converter
- discharge
- power supply
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
A topological structure of a power supply comprises a first current conversion circuit, a second current conversion circuit, a third current conversion circuit and a first discharge circuit. The second current conversion circuit is electrically connected to the first and the third current conversion circuits; the first current conversion circuit receives an input voltage and converts the input voltage to a first voltage signal, which is converted into a second voltage signal by the second current conversion circuit; the second voltage signal is converted into a third voltage signal by the third current conversion circuit; and the first discharge circuit is electrically connected to the third current conversion circuit and receives and processes the third voltage signal. The topological structure provided by the utility model uses the discharge circuit to quickly release the remaining power of the power supply and solves the problem that an electronic product cannot be started immediately after being powered off in a standby state.
Description
Technical field
The utility model relates to electricity field, relates in particular to a kind of power supply topologies.
Background technology
The world today, energy consumption consumption is huge, and global resources are also day by day deficient, and energy-conserving and environment-protective become the focus of people's research.Increasing country clearly adds electronic product energy-saving grade in the authentication of this state, and this just requires electronic product scheme producer, integrated producer to be optimized in the standby problem of power supply topologies, low-power consumption object when reaching standby.Prior art is mainly micro-control unit (the Micro Control Unit by electronic product, MCU) switching circuit of this electronic product is controlled, such as Closing Switch circuit makes the normal operation of electronic product or cut off switching circuit to make electronic product enter holding state.
Yet, at electronic product during in holding state, due to the circuit having cut off after switching circuit, cause lacking good discharge path, thereby easily cause following two problems: 1, if turn off complete machine power supply when standby, every several seconds, open again complete machine power supply, this electronic product cannot normal boot-strap, this is due in the situation that switching circuit is opened a way, dump energy in power supply topologies slowly cannot discharge, MCU is also in running order, the level state of being exported by MCU there is no change, making this electronic product is still holding state, and now after opening power, the MCU power supply of getting back, therefore in shutdown and start process, the level state of MCU output remains constant, cause switching circuit to keep open-circuit condition, electronic product cannot be started shooting, 2, after standby, shut down, owing to there is no good discharge path, the pressure decay rate of supply voltage is slower, and it is longer that the indicator light of indication standby extinguishes the time needing, and makes user think that electronic product exists quality problems, affects the degree of recognition of client to product.
Utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of power supply topologies, its can be effectively by after electronic product shutdown in power supply topologies remaining electric weight discharge fast, solved the problem that electronic product cannot normal boot-strap, thereby improved the degree of recognition of electronic product.
In order to solve the problems of the technologies described above, the utility model provides a kind of power supply topologies, comprise the first current converter circuit, the second current converter circuit, the 3rd current converter circuit and the first discharge circuit, described the second current converter circuit and described the first current converter circuit and the 3rd current converter circuit are electrically connected, described the first current converter circuit receives an input voltage and it is converted to the first voltage signal by this input voltage, described the first voltage signal is converted to second voltage signal through described the second current converter circuit, described second voltage signal is converted to tertiary voltage signal through described the 3rd current converter circuit, described the first discharge circuit and described the 3rd current converter circuit are electrically connected, and receive described tertiary voltage signal and process this tertiary voltage signal, this first discharge circuit comprises path and two kinds of patterns of electric discharge, the default first threshold voltage of described the first discharge circuit also detects described tertiary voltage signal, when described tertiary voltage signal is greater than described first threshold voltage, described the first discharge circuit is set to channel status, described tertiary voltage signal is by described the first discharge circuit, when described tertiary voltage signal is less than or equal to described first threshold voltage, described the first discharge circuit is set to discharge condition, and the tertiary voltage signal receiving is discharged.
Wherein, described the first current converter circuit is DC-DC converter.
Wherein, described the first current converter circuit is AC/DC converter.
Wherein, described the second current converter circuit is DC-DC converter.
Wherein, described the 3rd current converter circuit is DC-DC converter.
Wherein, described power supply topologies also comprises the second discharge circuit, described the second discharge circuit and described the first current converter circuit and the second current converter circuit are electrically connected, and control described the first current converter circuit is discharged, described the second discharge circuit comprises path and two kinds of patterns of electric discharge, its default Second Threshold voltage also detects described the first voltage signal, when described the first voltage signal is greater than described Second Threshold voltage, described the second discharge circuit is set to channel status, and described the first voltage signal is by described the first discharge circuit; When described the first voltage signal is less than or equal to described Second Threshold voltage, described the first discharge circuit is set to discharge condition, and it discharges the first voltage signal receiving.
Wherein, described power supply topologies also comprises the 3rd discharge circuit, described the 3rd discharge circuit and described the second current converter circuit and the 3rd current converter circuit are electrically connected, and control described the second current converter circuit is discharged, described the 3rd discharge circuit comprises path and two kinds of patterns of electric discharge, its default one the 3rd threshold voltage also detects described second voltage signal, when described second voltage signal is greater than described the 3rd threshold voltage, described the 3rd discharge circuit is set to channel status, and described second voltage signal is by described the second discharge circuit; When described second voltage signal is less than or equal to described the 3rd threshold voltage, described the 3rd discharge circuit is set to discharge condition, and it discharges the second voltage signal receiving.
Wherein, described power supply topologies also comprises switching circuit and power module, described switch module and described the second current converter circuit and power module are electrically connected, described switching circuit comprises closed and open circuit two states, when described switching circuit is in closure state, described second voltage signal transfers to described power module by described switching circuit; When described switching circuit is in open-circuit condition, described second voltage signal cannot pass through described switching circuit.
Wherein, described power supply topologies also comprises control module, described control module and described switching circuit and described the first discharge circuit are electrically connected, described control module has input/output interface, described control module is sent one first control signal or one second by described input/output interface and is controlled signal to described switching circuit, when described switching circuit receives this first control signal, this switching circuit is set to closed mode; When described switching circuit receives described the second control signal, this switching circuit is set to open circuit mode.
Wherein, described control module is micro-control unit.
Embodiment of the present utility model provides a kind of power supply topologies, described power supply topologies by being electrically connected described the second discharge circuit between described the first current converter circuit and the second current converter circuit, between described the second current converter circuit and the 3rd current converter circuit, be electrically connected between described the 3rd discharge circuit and described the 3rd current converter circuit and described control module and be electrically connected the first discharge circuit, make described electronic product when directly being shut down by holding state, in described power supply topologies, remaining electric weight is discharged fast by described these discharge circuits, avoided causing electronic product at postboost normal boot-strap immediately because these remaining electric weight cannot discharge in time, and the problem such as standby indicating lamp instruction time is long under off-mode, improved the degree of recognition of product.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical solution of the utility model, to the accompanying drawing of required use in execution mode be briefly described below, apparently, accompanying drawing in the following describes is only execution modes more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the module diagram of the power supply topologies that provides of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model embodiment provides a kind of power supply topologies 100, for to electronic product, as notebook computer, panel computer etc. carries out power supply management.Described power supply topologies 100 comprises the first current converter circuit 10, the first discharge circuit 80, the second discharge circuit 20, the second current converter circuit 30, switching circuit 40, power module 50, the 3rd discharge circuit 60, the 3rd current converter circuit 70 and control module 90.
In embodiment of the present utility model, described the first current converter circuit 10 can be DC-DC converter or AC/DC converter.Described the first current converter circuit 10 is electrically connected with described the second discharge circuit 20, this first current converter circuit 10 is also electrically connected with an external power source (as the civil power of 110 volts or 220 volts), with after receiving the voltage signal of this external power source and being converted into the first voltage signal, transfers to described the second discharge circuit 20.Wherein, described the first voltage signal is direct voltage.
In embodiment of the present utility model, described the second discharge circuit 20 is also electrically connected with described the second current converter circuit 30, and controls described the first current converter circuit 10 is discharged.Be specially, described the second discharge circuit 20 comprises path and two kinds of patterns of electric discharge, the default Second Threshold voltage of this second discharge circuit 20 also detects described the first voltage signal, when described the first voltage signal is greater than described Second Threshold voltage, described the second discharge circuit 20 is set to flow pattern, and described the first voltage signal is by described the second discharge circuit 20 and transfer to described the second current converter circuit 30; When described the first voltage signal is less than or equal to described Second Threshold voltage, described the second discharge circuit 20 is set to discharge mode, and the first voltage signal that this second discharge circuit 20 is received fast discharges.
In embodiment of the present utility model, described the second current converter circuit 30 can be DC-DC converter, and itself and described the second discharge circuit 20, described switching circuit 40 and described the 3rd discharge circuit 60 are electrically connected.Described the second current converter circuit 30 is converted to a second voltage signal by the first voltage signal receiving, and this second voltage signal is transferred to described switching circuit 40 and the 3rd discharge circuit 60.
In embodiment of the present utility model, described switching circuit 40 is electrically connected with described the second current converter circuit 30, described power module 50 and described control module 90.Described switching circuit 40 comprises closed and two kinds of patterns of open circuit, be specially, described control module 90 is for controlling the closed or open circuit of described switching circuit 40, when this control module 90 is controlled described switching circuit 40 in closure, described second voltage signal can transfer to described power module 50 by described switching circuit 40; When this control module 90 is controlled described switching circuit 40 in open circuit, described second voltage signal can not pass through described switching circuit 40.
In embodiment of the present utility model, described power module 50 is electrically connected with described switching circuit 40.When described switching circuit 40 is during in closure, described power module 50 receives described second voltage signal and produces each element of described electronic product, power supply as required in mainboard, processor, memory etc. is also these elements power supplies, thus the operation of described electronic product normal boot-strap.When described switching circuit 40 is in open circuit and when described the first current converter circuit 10, the second current converter circuit 30 and the 3rd current converter circuit 70 normal operation, described electronic product is in holding state; When cutting off described the first current converter circuit 10, described electronic product is in off-mode.
In embodiment of the present utility model, described the 3rd discharge circuit 60 is electrically connected with described the 3rd current converter circuit 70, and controls described the second current converter circuit 30 is discharged.Be specially, described the 3rd discharge circuit 60 comprises path and two kinds of patterns of electric discharge, its default one the 3rd threshold voltage also detects described second voltage signal, when described second voltage signal is greater than described the 3rd threshold voltage, described the 3rd discharge circuit 60 is set to flow pattern, and described second voltage signal is by described the 3rd discharge circuit 60 and transfer to described the 3rd current converter circuit 70; When described second voltage signal is less than or equal to described the 3rd threshold voltage, described the 3rd discharge circuit 60 is set to discharge mode, and the second voltage signal that the 3rd discharge circuit 60 is received fast discharges.
In embodiment of the present utility model, described the 3rd current converter circuit 70 can be DC-DC converter, and itself and described the 3rd discharge circuit 60 and the first discharge circuit 80 are electrically connected.The second voltage signal that described the 3rd current converter circuit 70 is received is converted to tertiary voltage signal and transfers to described the first discharge circuit 80.
In embodiment of the present utility model, described the first discharge circuit 80 is electrically connected with described control module 90, and controls described the 3rd current converter circuit 70 is discharged.Be specially, described the first discharge circuit 80 comprises path and two kinds of patterns of electric discharge, its default first threshold voltage also detects described tertiary voltage signal, when described tertiary voltage signal is greater than described first threshold voltage, described the first discharge circuit 80 is set to flow pattern, and described tertiary voltage signal is by described the first discharge circuit 80 and transfer to described control module 90; When described tertiary voltage signal is less than or equal to described first threshold voltage, described the first discharge circuit 80 is set to discharge mode, and this first discharge circuit 80 discharges tertiary voltage signal fast.
In embodiment of the present utility model, described control module 90 can be micro-control unit (Micro control unit, MCU), and itself and described the first discharge circuit 80 and switching circuit 40 are electrically connected.Described control module 90 can be integrated in central processing unit (Central Processing Unit, CPU) or single-chip microcomputer, and this control module 90 has I/O (Input/output, I/O) interface 91.Described control module 90 is sent control command to described switching circuit 40 by I/O interface 91.Be specially, described control module 90 can be sent the first control signal (as high level) or the second control signal (as low level) by I/O interface 91, when described switching circuit 40 receives described the first control signal, described switching circuit 40 is arranged at closed mode; When described switching circuit receives described the second control signal, described switching circuit 40 is arranged at open circuit mode.
In embodiment of the present utility model, when described electronic product is when shutting down, by described the first current converter circuit 10 access external power sources (as the civil power of 110 volts or 220 volts), and press starting key, now, described control module 90 is in power-up state not, and sends described the first control signal (as high level) after receiving tertiary voltage signal, to control described switching circuit 40 in closed mode; Described power module 50 receives second voltage signals and for each element of electronic product provides required power supply, thereby described electronic product starts operation.When needs make described electronic product standby, at electronic product, press standby button, described control module 90 send the second control signal (as low level) to as described in switching circuit 40, described switching circuit 40 is arranged at open circuit mode, described second voltage signal cannot pass through switching circuit, described electronic product enters holding state, thereby has reduced the power loss of electronic product.Now, only need by press related key (as key or treat switch) can make as described in control module 90 send as described in the first control signal, i.e. described electronic product capable of fast starting.As directly cut off being connected of described the first current converter circuit 10 and external power source under at holding state, electronic product shuts down.Now in described power supply topologies 100, still have part electric weight residue, these remaining electric weight can make the still state in normal operation of described control module 90 within a certain period of time, thereby this control module 90 can continue to send described the second control signal, if start shooting operation in the situation that dump energy exists, possibly cannot normal boot-strap.Therefore, in embodiment of the present utility model, described the second discharge circuit 20, the 3rd discharge circuit 60 and described the first discharge circuit 80 can discharge these remaining electric weight fast, thereby make described control module 90 enter in a short period of time not power-up state, avoided not having to discharge and cause described electronic product in the situation of postboost normal boot-strap immediately in time because of these remaining electric weight.
In sum, the utility model embodiment provides a kind of power supply topologies 100, described power supply topologies 100 is by arranging in position described the first discharge circuit 80, the second discharge circuit 20 and described the 3rd discharge circuit 60, make described electronic product when directly being shut down by holding state, fast the interior remaining electric weight of described power supply topologies 100 is discharged, avoided because of these remaining electric weight cannot discharge in time cause electronic product postboost cannot normal boot-strap, and the problem such as standby indicating lamp instruction time is long under off-mode, improved the degree of recognition of electronic product.
The above is preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection range of the present utility model.
Claims (10)
1. a power supply topologies, it is characterized in that, comprise the first current converter circuit, the second current converter circuit, the 3rd current converter circuit and the first discharge circuit, described the second current converter circuit and described the first current converter circuit and the 3rd current converter circuit are electrically connected, described the first current converter circuit receives an input voltage and it is converted to the first voltage signal by this input voltage, described the first voltage signal is converted to second voltage signal through described the second current converter circuit, described second voltage signal is converted to tertiary voltage signal through described the 3rd current converter circuit, described the first discharge circuit and described the 3rd current converter circuit are electrically connected, and receive described tertiary voltage signal and process this tertiary voltage signal, this first discharge circuit comprises path and two kinds of patterns of electric discharge, the default first threshold voltage of described the first discharge circuit also detects described tertiary voltage signal, when described tertiary voltage signal is greater than described first threshold voltage, described the first discharge circuit is set to channel status, described tertiary voltage signal is by described the first discharge circuit, when described tertiary voltage signal is less than or equal to described first threshold voltage, described the first discharge circuit is set to discharge condition, and the tertiary voltage signal receiving is discharged.
2. power supply topologies according to claim 1, is characterized in that, described the first current converter circuit is DC-DC converter.
3. power supply topologies according to claim 1, is characterized in that, described the first current converter circuit is AC/DC converter.
4. power supply topologies according to claim 1, is characterized in that, described the second current converter circuit is DC-DC converter.
5. power supply topologies according to claim 1, is characterized in that, described the 3rd current converter circuit is DC-DC converter.
6. power supply topologies according to claim 1, it is characterized in that, described power supply topologies also comprises the second discharge circuit, described the second discharge circuit and described the first current converter circuit and the second current converter circuit are electrically connected, and control described the first current converter circuit is discharged, described the second discharge circuit comprises path and two kinds of patterns of electric discharge, its default Second Threshold voltage also detects described the first voltage signal, when described the first voltage signal is greater than described Second Threshold voltage, described the second discharge circuit is set to channel status, described the first voltage signal is by described the first discharge circuit, when described the first voltage signal is less than or equal to described Second Threshold voltage, described the first discharge circuit is set to discharge condition, and it discharges the first voltage signal receiving.
7. power supply topologies according to claim 1, it is characterized in that, described power supply topologies also comprises the 3rd discharge circuit, described the 3rd discharge circuit and described the second current converter circuit and the 3rd current converter circuit are electrically connected, and control described the second current converter circuit is discharged, described the 3rd discharge circuit comprises path and two kinds of patterns of electric discharge, its default one the 3rd threshold voltage also detects described second voltage signal, when described second voltage signal is greater than described the 3rd threshold voltage, described the 3rd discharge circuit is set to channel status, described second voltage signal is by described the second discharge circuit, when described second voltage signal is less than or equal to described the 3rd threshold voltage, described the 3rd discharge circuit is set to discharge condition, and it discharges the second voltage signal receiving.
8. power supply topologies according to claim 1, it is characterized in that, described power supply topologies also comprises switching circuit and power module, described switch module and described the second current converter circuit and power module are electrically connected, described switching circuit comprises closed and open circuit two states, when described switching circuit is in closure state, described second voltage signal transfers to described power module by described switching circuit; When described switching circuit is in open-circuit condition, described second voltage signal cannot pass through described switching circuit.
9. power supply topologies according to claim 8, it is characterized in that, described power supply topologies also comprises control module, described control module and described switching circuit and described the first discharge circuit are electrically connected, described control module has input/output interface, described control module is sent one first control signal or one second by described input/output interface and is controlled signal to described switching circuit, when described switching circuit receives this first control signal, this switching circuit is set to closed mode; When described switching circuit receives described the second control signal, this switching circuit is set to open circuit mode.
10. power supply topologies according to claim 9, is characterized in that, described control module is micro-control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420067191.9U CN203813655U (en) | 2014-02-14 | 2014-02-14 | Topological structure of power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420067191.9U CN203813655U (en) | 2014-02-14 | 2014-02-14 | Topological structure of power supply |
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| Publication Number | Publication Date |
|---|---|
| CN203813655U true CN203813655U (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420067191.9U Expired - Fee Related CN203813655U (en) | 2014-02-14 | 2014-02-14 | Topological structure of power supply |
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| Country | Link |
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| CN (1) | CN203813655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111813037A (en) * | 2020-06-11 | 2020-10-23 | 中国长城科技集团股份有限公司 | Starting-up control method, starting-up control device and electronic equipment |
-
2014
- 2014-02-14 CN CN201420067191.9U patent/CN203813655U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111813037A (en) * | 2020-06-11 | 2020-10-23 | 中国长城科技集团股份有限公司 | Starting-up control method, starting-up control device and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN SKYWORTH DIGITAL TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SKY-WORTH DIGITAL TECHNOLOGY CO., LTD.;SHENZHEN CITY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Guangdong city of Shenzhen province Nanshan District Gao Xin Road Building A14, SKYWORTH Patentee after: Shenzhen Skyworth Digital Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Gao Xin Road Building A14, SKYWORTH Patentee before: Shenzhen Skyworth Digital Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20180214 |