CN107482755A - The electric power switching method and switching circuit of a kind of electronic equipment - Google Patents
The electric power switching method and switching circuit of a kind of electronic equipment Download PDFInfo
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- CN107482755A CN107482755A CN201710680641.XA CN201710680641A CN107482755A CN 107482755 A CN107482755 A CN 107482755A CN 201710680641 A CN201710680641 A CN 201710680641A CN 107482755 A CN107482755 A CN 107482755A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
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Abstract
The invention discloses the electric power switching method and switching circuit of a kind of electronic equipment, electronic equipment has the first power input interface and second source input interface simultaneously, and this method is applied during electronic equipment carries out power input switching, and this method includes：The switching circuit of electronic equipment is connected in the power supply circuit of electronic equipment, wherein, switching circuit includes multiple switching sub-circuits；Switching sub-circuit is connected between the power input end of power supply circuit and power output end；According to the operation that power input switching is carried out to electronic equipment, the electric power of power output end is supplied to using sub-circuit control is switched, to keep stabilization of the power output end as power electronic equipment.This method during the electronic equipments such as notebook computer carry out power supply switching, can keep the stabilization of the power electronic equipments such as notebook computer, avoid that the electronic equipments such as notebook computer shutdown or other anomalies suddenly occur.
Description
Technical field
The present invention relates to the electric power switching method and switching circuit of electronic circuit field, more particularly to a kind of electronic equipment.
Background technology
The electronic equipment such as notebook computer can be powered by multiple power input interfaces for it at present, such as can be passed through
The adapter of electronic equipment is powered for it, can also be powered by type-c interfaces for it, but be powered cutting for circuit
When changing (such as from being to be powered by type-c interfaces by adapter power switching, or cut from by the power supply of type-c interfaces
Be changed to and powered by adapter), the power supply circuit of the electronic equipment such as notebook computer can unexpected power down, cause notebook computer etc.
Phenomena such as electronic equipment abnormal shutdown.
The content of the invention
The purpose of the embodiment of the present invention is electric power switching method and the switching circuit for providing a kind of electronic equipment, this method
The power electronic equipments such as notebook computer can be kept during the electronic equipments such as notebook computer carry out power supply switching
It is stable, avoid that the electronic equipments such as notebook computer shutdown or other anomalies suddenly occur.
In order to solve the above-mentioned technical problem, the embodiment of the present invention employs following technical scheme：The electricity of a kind of electronic equipment
Power switching method, the electronic equipment have the first power input interface and second source input interface simultaneously, and methods described should
During electronic equipment carries out power input switching, methods described includes：
The switching circuit of the electronic equipment is connected in the power supply circuit of the electronic equipment, wherein, the switching
Circuit includes multiple switching sub-circuits；
The switching sub-circuit is connected between the power input end and power output end of the power supply circuit；
According to the operation that power input switching is carried out to the electronic equipment, it is supplied to using the switching sub-circuit control
The electric power of the power output end, to keep stabilization of the power output end as the power electronic equipment.
Preferably, the power supply circuit includes the first power input interface power supply circuit and second source input interface supplies
Circuit, the switching sub-circuit includes the first switching sub-circuit and the second switching sub-circuit, described by the electronic equipment
Switching circuit be connected to the power supply circuit of the electronic equipment and include：
First switching sub-circuit is connected in the first power input interface power supply circuit；
Second switching sub-circuit is connected in the second source input interface power supply circuit.
Preferably, the switching sub-circuit includes the first field effect electric crystal and the second field-effect being connected in parallel with each other
Electric crystal；
The drain electrode of first field effect electric crystal is connected on the power supply circuit, and it is defeated to be supplied to the electric power with influence
Go out the electric power at end；
The grid of second field effect electric crystal is connected on the power input end, thinks that the switching sub-circuit supplies
Electricity.
Preferably, the grid of first field effect electric crystal is connected with the drain electrode of second field effect electric crystal,
The source ground of first field effect electric crystal；
The grid of second field effect electric crystal is connected by resistance with the power input end, second field-effect
The source ground of electric crystal.
Preferably, first power input interface is the adaptor power supplies input interface of the electronic equipment, it is described
Second source input interface is the type-c power input interfaces of the electronic equipment.
The embodiment of the present invention additionally provides the switching circuit of a kind of electronic equipment, and the electronic equipment has the first electricity simultaneously
Source input interface and second source input interface, the switching circuit apply the process that power input switching is carried out in electronic equipment
In, the switching circuit is connected in the power supply circuit of the electronic equipment, and the switching circuit includes multiple switching sub-circuits；
The switching sub-circuit is connected between the power input end and power output end of the power supply circuit；
The switching circuit is configured to, according to the operation for carrying out the electronic equipment power input switching, cut using described
The electric power that sub-circuit control is supplied to the power output end is changed, to keep the power output end as the power electronic equipment
Stabilization.
Preferably, the power supply circuit includes the first power input interface power supply circuit and second source input interface supplies
Circuit, the switching sub-circuit include the first switching sub-circuit and the second switching sub-circuit；
The first switching sub-circuit is connected with the first power input interface power supply circuit；
The second switching sub-circuit is connected with the second source input interface power supply circuit.
Preferably, the switching sub-circuit includes the first field effect electric crystal and the second field-effect being connected in parallel with each other
Electric crystal；
The drain electrode of first field effect electric crystal is connected on the power supply circuit, and it is defeated to be supplied to the electric power with influence
Go out the electric power at end；
The grid of second field effect electric crystal is connected on the power input end, thinks that the switching sub-circuit supplies
Electricity.
Preferably, the grid of first field effect electric crystal is connected with the drain electrode of second field effect electric crystal,
The source ground of first field effect electric crystal；
The grid of second field effect electric crystal is connected by resistance with the power input end, second field-effect
The source ground of electric crystal.
Preferably, first power input interface is the adaptor power supplies input interface of the electronic equipment, it is described
Second source input interface is the type-c power input interfaces of the electronic equipment.
The beneficial effect of the embodiment of the present invention is：This method can carry out power supply in electronic equipments such as notebook computers and cut
During changing, the stabilization of the power electronic equipments such as notebook computer is kept, avoids the electronic equipments such as generation notebook computer from dashing forward
So shutdown or other anomalies.
Brief description of the drawings
Fig. 1 is the flow chart of the electric power switching method of the electronic equipment of the embodiment of the present invention；
Fig. 2 be the embodiment of the present invention Fig. 1 in step S1 flow chart；
Fig. 3 is the circuit diagram of the switching sub-circuit of the embodiment of the present invention；
Fig. 4 is connected in the first power input interface power supply circuit for the first switching sub-circuit of the embodiment of the present invention and formed
Circuit diagram；
Fig. 5 is connected in second source input interface power supply circuit for the second switching sub-circuit of the embodiment of the present invention and formed
Circuit diagram；
Description of reference numerals
1- switches sub-circuit 2- the first field effect electric crystal the second field effect electric crystals of 3-
4- first resistor 5- 3rd resistor 6- second resistances
Embodiment
To make those skilled in the art more fully understand the present invention, embodiments of the invention are carried out with reference to the accompanying drawings detailed
Describe in detail bright but not as a limitation of the invention.
The electric power switching method of a kind of electronic equipment of the embodiment of the present invention, electronic equipment have the first power input simultaneously
Interface and second source input interface, method are applied during electronic equipment carries out power input switching, as shown in figure 1,
With reference to Fig. 3, this method includes：
S1, the switching circuit of electronic equipment is connected in the power supply circuit of electronic equipment, wherein, switching circuit includes more
Individual switching sub-circuit 1.The switching circuit can make the power supply state of power supply circuit keep stable, so that electronic equipment is carrying out electricity
Source input switching when, electronic equipment will not should be power supply instability and cause shutdown etc. anomaly, it is multiple switching sub-circuits 1 it
Between independently of each other, in one embodiment, power supply circuit includes multiple power supply sub-circuits, the first power input interface and second electric
Source input interface is corresponding with respective power supply sub-circuit, and switching circuit is connected in power supply sub-circuit so that power supply sub-circuit
It can ensure (such as from using the first power input interface for power electronic equipment to transfer when electronic equipment is powered switching
It is power electronic equipment to switch to using second source input interface), no matter can keep supplying from which power supply power supply
The stabilization of electricity (as kept the steady of supply voltage).Certain electronic equipment is also provided with other power input interfaces, with
This is similar to will not be described in detail herein.
S2, switching sub-circuit 1 is connected to the power input end (Vsystem in such as Fig. 4 and Fig. 5) and electricity of power supply circuit
Between power output end (Vsystem2 in such as Fig. 4 and Fig. 5).The power input end of the power supply circuit can be the first power input
The power input end (one end of the adapter access notebook computer of such as notebook computer) of power supply circuit corresponding to interface, also may be used
Think the power input end of power supply circuit corresponding to second source input interface (the type-c circuits such as notebook computer access
One end), switching sub-circuit 1 is connected as switching sub-circuit 1 with power input end and powered, to ensure to switch the normal work of sub-circuit 1,
And the power output end of power supply circuit can provide a variety of different types of electric power for electronic equipment, such as providing has different voltages
Electric power, respectively electronic equipment different hardware power supply.
S3, according to the operation that power input switching is carried out to electronic equipment, electric power is supplied to using the control of sub-circuit 1 is switched
The electric power of output end (Vsystem2 in such as Fig. 4 and Fig. 5), to keep stabilization of the power output end as power electronic equipment.
In one embodiment of the present of invention, power input switching is carried out to electronic equipment can trigger the corresponding work of switching sub-circuit 1
Make, as notebook computer from using second source (can be type-c circuits) power switching to use the first power supply (can be
Adapter) power supply, then triggering is connected to the switching sub-circuit 1 of power supply circuit corresponding to the first power input interface and worked, and connects
The switching sub-circuit 1 for being connected on power supply circuit corresponding to second source input interface is stopped.Switching can after sub-circuit 1 works
Control is supplied to the electric power of power output end, such as reduces due to electric power switching and the fluctuation of caused curtage, so that electric power
Output end avoids that the shutdown suddenly of the electronic equipments such as notebook computer occurs or other is different to keep stable during power electronic equipment
Chang Xianxiang.
In one embodiment of the invention, power supply circuit includes the first power input interface power supply circuit and second source
Input interface power supply circuit, the first power input interface power supply circuit can be the corresponding supplied for electronic of the first power input interface
Circuit, such as can be the corresponding power supply circuit of notebook adapter；Similar, second source input interface power supply electricity
Road can be the corresponding power supply sub-circuit of second source input interface, such as can be the type-c circuit phases of notebook computer
Corresponding power supply circuit.Switching sub-circuit 1 includes the first switching switching sub-circuit 1 of sub-circuit 1 and second, as shown in Fig. 2 with reference to
Fig. 4 and Fig. 5, the step switching circuit of electronic equipment being connected in the power supply circuit of electronic equipment include：
S11, as shown in figure 4, the first switching sub-circuit 1 is connected in the first power input interface power supply circuit.When with
Family is switched to when being powered using the first power input interface for electronic equipment, and the switching sub-circuit 1 of triggering first works, and ensures
First power input interface power supply circuit can be electronic equipment stable power-supplying.
S12, as shown in figure 5, the second switching sub-circuit 1 is connected in second source input interface power supply circuit.When with
Family is switched to when being powered using second source input interface for electronic equipment, and the switching sub-circuit 1 of triggering second works, and ensures
Second source input interface power supply circuit can be electronic equipment stable power-supplying.Certain electronic equipment can also have other electricity
Source input interface, and can also to be provided with other switching sub-circuits 1 corresponding for switching circuit.
In one embodiment of the invention, the first field effect electric crystal 2 that sub-circuit 1 includes being connected in parallel with each other is switched
With the second field effect electric crystal 3.In the present embodiment, field effect electric crystal has three poles, is source electrode (Source), grid respectively
Pole (Gate) and drain electrode (Drain).
The drain electrode of first field effect electric crystal 2 is connected on power supply circuit, defeated to influence to be supplied to the electric power of power supply circuit
Go out the electric power at end (Vsystem2 in such as Fig. 4 and Fig. 5).The drain electrode of certain first field effect electric crystal 2 is specifically connected to power supply
Also needed on which position of circuit according to specific power supply (such as the first power input interface power or second source it is defeated
Incoming interface is powered) determined.
The grid of second field effect electric crystal 3 is connected on power input end (Vsystem in such as Fig. 4 and Fig. 5), is thought
Switching sub-circuit 1 is powered.This make it that switching sub-circuit 1 itself has electric power, can effectively influence the electric power output of power supply circuit
The electric power of (Vsystem2 in such as Fig. 4 and Fig. 5) is held, thinks electronic equipment stable power-supplying.
In one embodiment of the invention, the leakage of the grid of the first field effect electric crystal 2 and the second field effect electric crystal 3
Pole connects, the source ground of the first field effect electric crystal 2, the grid of the first field effect electric crystal 2 and the second field effect electric crystal 3
Drain electrode between circuit on be also associated with control circuit, electronic equipment can be entered by the control circuit to switching sub-circuit 1
Row control, control circuit can be connected on the circuit by first resistor 4.
The grid of second field effect electric crystal 3 is by resistance (second resistance 6) and power input end (in Fig. 4 and Fig. 5
Vsystem) connect, the source ground of the second field effect electric crystal 3, the grid of the second field effect electric crystal 3 and the second field-effect
3rd resistor 5 is connected between the source electrode of electric crystal 3.
In one embodiment of the invention, the first power input interface connects for the adaptor power supplies input of electronic equipment
Mouthful, second source input interface is the type-c power input interfaces of electronic equipment.So that electronic equipment meets the use of user.
The embodiment of the present invention additionally provides the switching circuit of a kind of electronic equipment, and electronic equipment has the first power supply defeated simultaneously
Incoming interface and second source input interface, switching circuit are applied during electronic equipment carries out power input switching, switching
It is electrically connected in the power supply circuit of electronic equipment, switching circuit includes multiple switching sub-circuits 1 (as shown in Figure 3).The switching
Circuit can make the power supply state of power supply circuit keep stable, so that electronic equipment, when carrying out power input switching, electronics is set
It is standby to should be power supply instability and cause the anomalies such as shutdown, in a reality between multiple switching sub-circuits 1 independently of each other
Apply in example, power supply circuit includes multiple power supply sub-circuits, and the first power input interface and second source input interface are corresponding with
Respective power supply sub-circuit, switching circuit are connected in power supply sub-circuit so that power supply sub-circuit can ensure in electronic equipment
When being powered switching (such as transfer to switch to using second source for power electronic equipment from using the first power input interface
Input interface is power electronic equipment), no matter the stabilization that can keep powering from which power supply power supply (such as keeps powering
Voltage it is steady).Certain electronic equipment is also provided with other power input interfaces, similar to will not be described in detail herein.
The power input end (Vsystem in such as Fig. 4 and Fig. 5) that switching sub-circuit 1 is connected to power supply circuit is defeated with electric power
Go out between end (Vsystem2 in such as Fig. 4 and Fig. 5).The power input end of the power supply circuit can be the first power input interface
The power input end (one end of the adapter access notebook computer of such as notebook computer) of corresponding power supply circuit, or
Power input end (the one of the type-c circuits access of such as notebook computer of power supply circuit corresponding to second source input interface
End), switching sub-circuit 1 is connected as switching sub-circuit 1 with power input end and powered, to ensure to switch the normal work of sub-circuit 1, and
The power output end of power supply circuit can provide a variety of different types of electric power for electronic equipment, as provided with different voltages
The different hardware power supply of electric power, respectively electronic equipment.
Switching circuit is configured to, according to the operation for carrying out electronic equipment power input switching, control using sub-circuit 1 is switched
System is supplied to the electric power of power output end, to keep stabilization of the power output end as power electronic equipment.At one of the present invention
In embodiment, switching sub-circuit 1 in corresponding switching circuit can be triggered to electronic equipment progress power input switching and worked,
As notebook computer from using second source (can be type-c circuits) power switching arrive using the first power supply (can be adapted to
Device) power supply, then triggering is connected to the switching sub-circuit 1 of power supply circuit corresponding to the first power input interface and worked, and is connected to
The switching sub-circuit 1 of power supply circuit corresponding to second source input interface is stopped.Switching sub-circuit 1 can control after working
The electric power of power output end is supplied to, is such as reduced due to electric power switching and the fluctuation of caused curtage, so that electric power output
End avoids that the shutdown suddenly of the electronic equipments such as notebook computer occurs or other is abnormal existing to keep stable during power electronic equipment
As.
In one embodiment of the invention, power supply circuit includes the first power input interface power supply circuit and second source
Input interface power supply circuit, the first power input interface power supply circuit can be the corresponding supplied for electronic of the first power input interface
Circuit, such as can be the corresponding power supply circuit of notebook adapter；Similar, second source input interface power supply electricity
Road can be the corresponding power supply sub-circuit of second source input interface, such as can be the type-c circuit phases of notebook computer
Corresponding power supply circuit.Switching sub-circuit 1 includes the first switching switching sub-circuit 1 of sub-circuit 1 and second.
As shown in figure 4, the first switching sub-circuit 1 is connected with the first power input interface power supply circuit.When user cuts
Change to when being powered using the first power input interface for electronic equipment, the switching sub-circuit 1 of triggering first works, and ensures first
Power input interface power supply circuit can be electronic equipment stable power-supplying.
As shown in figure 5, the second switching sub-circuit 1 is connected with the second source input interface power supply circuit.When user cuts
Change to when being powered using second source input interface for electronic equipment, the switching sub-circuit 1 of triggering second works, and ensures second
Power input interface power supply circuit can be electronic equipment stable power-supplying.Certain electronic equipment can also have other power supplys defeated
Incoming interface, and can also to be provided with other switching sub-circuits 1 corresponding for switching circuit.
In one embodiment of the invention, the first field effect electric crystal 2 that sub-circuit 1 includes being connected in parallel with each other is switched
With the second field effect electric crystal 3.In the present embodiment, field effect electric crystal has three poles, is source electrode (Source), grid respectively
Pole (Gate) and drain electrode (Drain).
The drain electrode of first field effect electric crystal 2 is connected on power supply circuit, defeated to influence to be supplied to the electric power of power supply circuit
Go out the electric power at end (Vsystem2 in such as Fig. 4 and Fig. 5).The drain electrode of certain first field effect electric crystal 2 is specifically connected to power supply
Also needed on which position of circuit according to specific power supply (such as the first power input interface power or second source it is defeated
Incoming interface is powered) determined.
The grid of second field effect electric crystal 3 is connected on power input end (Vsystem in such as Fig. 4 and Fig. 5), is thought
Switching sub-circuit 1 is powered.This make it that switching sub-circuit 1 itself has electric power, can effectively influence the electric power output of power supply circuit
The electric power of (Vsystem2 in such as Fig. 4 and Fig. 5) is held, thinks electronic equipment stable power-supplying.
In one embodiment of the invention, the leakage of the grid of the first field effect electric crystal 2 and the second field effect electric crystal 3
Pole connects, the source ground of the first field effect electric crystal 2, the grid of the first field effect electric crystal 2 and the second field effect electric crystal 3
Drain electrode between circuit on be also associated with control circuit, electronic equipment can be entered by the control circuit to switching sub-circuit 1
Row control, control circuit can be connected on the circuit by first resistor 4.
The grid of second field effect electric crystal 3 is by resistance (second resistance 6) and power input end (in Fig. 4 and Fig. 5
Vsystem) connect, the source ground of the second field effect electric crystal 3, the grid of the second field effect electric crystal 3 and the second field-effect
3rd resistor 5 is connected between the source electrode of electric crystal 3.
In one embodiment of the invention, the first power input interface connects for the adaptor power supplies input of electronic equipment
Mouthful, second source input interface is the type-c power input interfaces of electronic equipment.So that electronic equipment meets the use of user.
Above example is only the exemplary embodiment of the present invention, is not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can make respectively in the essence and protection domain of the present invention to the present invention
Kind modification or equivalent substitution, this modification or equivalent substitution also should be regarded as being within the scope of the present invention.
Claims (10)
1. the electric power switching method of a kind of electronic equipment, it is characterised in that the electronic equipment has the first power input simultaneously
Interface and second source input interface, methods described are applied during electronic equipment carries out power input switching, the side
Method includes：
The switching circuit of the electronic equipment is connected in the power supply circuit of the electronic equipment, wherein, the switching circuit
Including multiple switching sub-circuits；
The switching sub-circuit is connected between the power input end and power output end of the power supply circuit；
According to the operation that power input switching is carried out to the electronic equipment, it is supplied to using the switching sub-circuit control described
The electric power of power output end, to keep stabilization of the power output end as the power electronic equipment.
2. according to the method for claim 1, it is characterised in that the power supply circuit is powered including the first power input interface
Circuit and second source input interface power supply circuit, the switching sub-circuit include the first switching sub-circuit and the second switching son electricity
Road, the power supply circuit that the switching circuit by the electronic equipment is connected to the electronic equipment include：
First switching sub-circuit is connected in the first power input interface power supply circuit；
Second switching sub-circuit is connected in the second source input interface power supply circuit.
3. according to the method for claim 1, it is characterised in that the switching sub-circuit includes first be connected in parallel with each other
Field effect electric crystal and the second field effect electric crystal；
The drain electrode of first field effect electric crystal is connected on the power supply circuit, to influence to be supplied to the power output end
Electric power；
The grid of second field effect electric crystal is connected on the power input end, thinks the switching sub-circuit power supply.
4. according to the method for claim 3, it is characterised in that the grid of first field effect electric crystal and described second
The drain electrode connection of field effect electric crystal, the source ground of first field effect electric crystal；
The grid of second field effect electric crystal is connected by resistance with the power input end, and the second field-effect electricity is brilliant
The source ground of body.
5. according to the method for claim 1, it is characterised in that first power input interface is the electronic equipment
Adaptor power supplies input interface, the second source input interface are the type-c power input interfaces of the electronic equipment.
6. the switching circuit of a kind of electronic equipment, it is characterised in that the electronic equipment has the first power input interface simultaneously
With second source input interface, the switching circuit is applied during electronic equipment carries out power input switching, described to cut
Change and be electrically connected in the power supply circuit of the electronic equipment, the switching circuit includes multiple switching sub-circuits；
The switching sub-circuit is connected between the power input end and power output end of the power supply circuit；
The switching circuit is configured to according to the operation that power input switching is carried out to the electronic equipment, utilizes switching
Circuit controls the electric power for being supplied to the power output end, to keep the power output end as the steady of the power electronic equipment
It is fixed.
7. switching circuit according to claim 6, it is characterised in that the power supply circuit includes the first power input interface
Power supply circuit and second source input interface power supply circuit, the switching sub-circuit include the first switching sub-circuit and the second switching
Sub-circuit；
The first switching sub-circuit is connected with the first power input interface power supply circuit；
The second switching sub-circuit is connected with the second source input interface power supply circuit.
8. switching circuit according to claim 6, it is characterised in that the switching sub-circuit includes what is be connected in parallel with each other
First field effect electric crystal and the second field effect electric crystal；
The drain electrode of first field effect electric crystal is connected on the power supply circuit, to influence to be supplied to the power output end
Electric power；
The grid of second field effect electric crystal is connected on the power input end, thinks the switching sub-circuit power supply.
9. switching circuit according to claim 8, it is characterised in that the grid of first field effect electric crystal with it is described
The drain electrode connection of second field effect electric crystal, the source ground of first field effect electric crystal；
The grid of second field effect electric crystal is connected by resistance with the power input end, and the second field-effect electricity is brilliant
The source ground of body.
10. switching circuit according to claim 6, it is characterised in that first power input interface is the electronics
The adaptor power supplies input interface of equipment, the second source input interface connect for the type-c power inputs of the electronic equipment
Mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710680641.XA CN107482755B (en) | 2017-08-10 | 2017-08-10 | Power switching method and switching circuit of electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710680641.XA CN107482755B (en) | 2017-08-10 | 2017-08-10 | Power switching method and switching circuit of electronic equipment |
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| CN107482755B CN107482755B (en) | 2020-09-22 |
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| CN109038799A (en) * | 2018-08-02 | 2018-12-18 | 合肥联宝信息技术有限公司 | A kind of circuit and electronic device for preventing dual power supply switching generation from leaking electricity |
| CN112332513A (en) * | 2020-10-12 | 2021-02-05 | 合肥联宝信息技术有限公司 | Electronic equipment and power control method thereof |
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| CN114422869A (en) * | 2021-12-28 | 2022-04-29 | 江苏德联达智能科技有限公司 | Connect formula intelligent gateway soon |
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| CN109038799A (en) * | 2018-08-02 | 2018-12-18 | 合肥联宝信息技术有限公司 | A kind of circuit and electronic device for preventing dual power supply switching generation from leaking electricity |
| CN109038799B (en) * | 2018-08-02 | 2024-05-17 | 合肥联宝信息技术有限公司 | Circuit for preventing double power supply switching from generating electric leakage and electronic device |
| CN112332513A (en) * | 2020-10-12 | 2021-02-05 | 合肥联宝信息技术有限公司 | Electronic equipment and power control method thereof |
| CN112332513B (en) * | 2020-10-12 | 2022-03-29 | 合肥联宝信息技术有限公司 | Electronic equipment and power control method thereof |
| CN114422869A (en) * | 2021-12-28 | 2022-04-29 | 江苏德联达智能科技有限公司 | Connect formula intelligent gateway soon |
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| CN107482755B (en) | 2020-09-22 |
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