CN105514927A - Anti-short circuit chip power supply management module, electronic device power supply management system, and electronic device power supply management method - Google Patents
Anti-short circuit chip power supply management module, electronic device power supply management system, and electronic device power supply management method Download PDFInfo
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- CN105514927A CN105514927A CN201410521946.2A CN201410521946A CN105514927A CN 105514927 A CN105514927 A CN 105514927A CN 201410521946 A CN201410521946 A CN 201410521946A CN 105514927 A CN105514927 A CN 105514927A
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Abstract
The invention discloses an anti-short circuit chip power supply management module, an electronic device power supply management system, and an electronic device power supply management method. The anti-short circuit chip power supply management module is used for an electronic device control unit, which comprises a DC power supply subunit and a working circuit subunit. The working circuit subunit can be used to control the working states of the function unit circuits of the electronic device. The chip power supply management module comprises a sensing part, a short circuit prediction unit, a substitute unit, an emergency braking unit, and an alarming unit, and the DC power supply subunit is used for the power supply of the above mentioned parts and units. The short circuit prediction unit can be used to predict whether the short circuits of the function unit circuits are about to occur, and can be used to control and start the emergency braking unit. The emergency braking unit can be used to control and start the substitute unit. When the substitute unit is started, the function unit circuit, the short circuit of which is about to occur, can be replaced, and then the non-short circuit circuit loop can be formed, or the function unit circuits are in the open circuit state, and therefore the electronic device is in the non-short circuit state, and the power off of the whole power supply caused by the trip-out can be prevented, and great convenience can be provided for the living or the production of the people.
Description
Technical field
The present invention relates to technical field of semiconductors, be specifically related to a kind of chip power administration module of against short-circuit, electronic equipment power source management system and management method.
Background technology
Along with the development of technical field of semiconductors, the chip of types of functionality starts to be applied in the control unit of electronic equipment, this electronic equipment people are referred to as controlling intelligent household appliances, such as, all there is Intellectualized Tendency in TV, air-conditioning, washing machine, microwave oven, electromagnetic oven, electric cooker etc., controlling intelligent household appliances obtains the favor of people.
Controlling intelligent household appliances is usually powered by alternating current unit and/or direct current component is powered, the each functional unit of controlling intelligent household appliances can be powered and/or direct current component by described alternating current unit, but the chip in controlling intelligent household appliances control unit adopts DC-voltage supply usually, controlling intelligent household appliances control unit generally comprises direct current supply subelement and operating circuit subelement, and operating circuit subelement controls the operating state of each functional unit in controlling intelligent household appliances.Along with the reduction of the critical size of integrated circuit fields, the integrated level of the chip in controlling intelligent household appliances is also more and more higher, different chip often required voltage is different, therefore, has to adopt chip power management system to carry out voltage management to each circuit in chip or each chip.
But in the use procedure of controlling intelligent household appliances, particularly powerful controlling intelligent household appliances, often excessive the and problem of short circuit of emergent power, when there being a controlling intelligent household appliances to occur short circuit, can cause electric brake to takeoff.And electric brake takeoffs, general supply can be caused to close, thus have influence on life or the production of people.And when electric brake takeoffs, people often do not know it where is out of jointly, also need a large amount of diagnosis and search, improve circuit and repair difficulty.
Therefore, if chip power administration module before short circuit appears in controlling intelligent household appliances, can find as early as possible, and take precautions against in time, electric brake particularly can not be caused to takeoff, the work of other electrical equipment can not be had influence on, and avoid the puzzlement because tripping operation brings to people's life or production; Meanwhile, controlling intelligent household appliances, when there is short circuit, attracts much attention if can also give the alarm, being then convenient to that people carry out keeping in repair etc. to it is in time current industry urgent problem.
Summary of the invention
In order to overcome above problem, the present invention aims to provide a kind of chip power administration module of against short-circuit, electronic equipment power source management system and method for managing power supply, in order to when short circuit appears in electronic equipment, automatically processes as early as possible, avoids electric brake to takeoff.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of chip power administration module of against short-circuit, be applied to and powered by alternating current unit and/or in electronic equipment control unit that direct current component is powered, the each functional unit of described electronic equipment is powered and/or direct current component by described alternating current unit, described control unit comprises direct current supply subelement and operating circuit subelement, and described operating circuit subelement controls the operating state of each functional unit of described electronic equipment; Described chip power administration module comprises: the inductive means of being powered by described direct current supply subelement, short circuit predicting unit, substitute unit, brake hard unit and alarm unit; Wherein, short circuit predicting unit for predicting that whether each functional unit circuit of described electronic equipment is by short circuit, and controls the keying of described brake hard unit; Brake hard unit receives the information of described short circuit predicting unit, controls the keying of described substitute unit; Substitute unit forms non-shorting current circuit for the functional unit of the described electronic equipment replacing described short circuit; Alarm unit is connected, for the signal that gives the alarm with described substitute unit; And, described short circuit predicting unit is connected with described inductive means, induction result for the temperature of the moisture or circuit lines insulation sheath of responding to each functional unit circuit surface of described electronic equipment or melting state, and is sent to described short circuit predicting unit by described inductive means; Described short circuit predicting unit judges to draw each functional unit circuit of described electronic equipment whether by the information of short circuit according to described induction result, if so, triggers described brake hard unit, substitute unit and alarm unit and enters emergency treatment state.
Preferably, described substitute unit is the equivalent resistance of each functional unit circuit of described electronic equipment, and after described substitute unit is opened, described equivalent resistance and described alternating current unit are powered or direct current component forms non-shorting current circuit.
Preferably, described alarm unit comprises LED display unit and/or buzzer, for the signal that gives the alarm.
Preferably, described substitute unit is open circuit control circuit, after unlatching, the described operating circuit subelement triggered in described control unit sends clearance order to each functional unit of described electronic equipment, makes each functional unit circuit of described electronic equipment be in off state.
Preferably, also comprise recovery unit, be connected between described substitute circuit and described control unit, when described substitute circuit is in opening, described recovery unit controls the operating circuit subelement in described control unit, makes each functional unit of described electronic equipment be in normal operating conditions.
Present invention also offers a kind of power-supply management system of electronic equipment, described electronic equipment includes above-mentioned chip power administration module.
Present invention also offers a kind of method for managing power supply, adopt above-mentioned chip power administration module, specifically comprise the following steps:
Step 01: predict that whether each functional unit circuit of described electronic equipment is by short circuit by described short circuit predicting unit;
Step 02: when short circuit appears in each functional unit circuit of described electronic equipment, described short circuit predicting unit controls to open brake hard unit;
Step 03: open described substitute unit by described brake hard unit controls;
Step 04: described substitute unit forms non-shorting current circuit; Or the described operating circuit subelement triggered in described control unit sends clearance order to each functional unit of described electronic equipment, each functional unit circuit of described electronic equipment is made to be in off state;
Step 05: described alarm unit conducting, and send alarm signal.
Preferably, in step 01, described short circuit predicting unit is connected with inductive means, and induction result for the temperature of the moisture or circuit lines insulation sheath of responding to each functional unit circuit surface of described electronic equipment or melting state, and is sent to described short circuit predicting unit by described inductive means; Described short circuit predicting unit judges to draw each functional unit circuit of described electronic equipment whether by the information of short circuit according to described induction result, if so, triggers described brake hard unit, substitute unit and alarm unit and enters emergency treatment state.
Preferably, also comprise step 06: when described substitute unit is in opening, described recovery unit controls the described operating circuit subelement in described control unit, makes each functional unit circuit of described electronic equipment be in normal operating conditions.
Preferably, in described step 04, non-shorting current circuit is powered by described equivalent resistance and described alternating current unit or direct current component is formed.
The chip power administration module of against short-circuit of the present invention, the power-supply management system of electronic equipment and method for managing power supply, by the induction result adopting short circuit predicting unit to obtain according to inductive means, whether carry out each functional unit circuit of predict electronic equipment by short circuit, and control to open brake hard unit; After then brake hard unit controls mains switch is closed, control to open substitute unit; Substitute unit after opening can replace the functional unit circuit of the electronic equipment of short circuit to form non-shorting current circuit.The non-shorting current circuit formed can make electronic equipment be in non-shorting state, thus avoids electric brake and cause the closedown of whole general supply, for the life of people or production bring conveniently; And to give the alarm signal further by arranging alarm unit, people can be reminded to note, electronic equipment can be keeped in repair in time.
Accompanying drawing explanation
Fig. 1 is the calcspar of the electronic equipment of a preferred embodiment of the present invention
Fig. 2 a-2b is the schematic diagram of the substitute circuit of a preferred embodiment of the present invention and the functional unit circuit of electronic equipment
Fig. 3 is the schematic flow sheet of the method for managing power supply of a preferred embodiment of the present invention
Embodiment
For making content of the present invention clearly understandable, below in conjunction with Figure of description 1-3, content of the present invention is described further.Certain the present invention is not limited to this specific embodiment, and the general replacement known by those skilled in the art is also encompassed in protection scope of the present invention.
It should be noted that, the chip power administration module of against short-circuit of the present invention, the power-supply management system of electronic equipment and method for managing power supply, when there is short circuit in electronic equipment, make chip better can process short circuit problem by this power management module: to adopt a substitute unit to produce non-shorting current circuit, or each functional unit circuit of electronic equipment is closed, thus avoid tripping and cause the closedown of general supply.
The chip power administration module of against short-circuit of the present invention, be applied to and powered by alternating current unit and/or in electronic equipment control unit that direct current component is powered, control unit comprises direct current supply subelement and operating circuit subelement, and operating circuit subelement controls the operating state of each functional unit circuit of electronic equipment; Chip power administration module comprises: the inductive means of being powered by direct current supply subelement, short circuit predicting unit, substitute unit, brake hard unit and alarm unit; Wherein, whether short circuit predicting unit is used for each functional unit circuit of predict electronic equipment by short circuit, and controls the keying of brake hard unit; Brake hard unit receives the information of short circuit predicting unit, controls the keying of substitute unit; Substitute unit forms non-shorting current circuit for replacing the functional unit of short circuit; Alarm unit is connected, for the signal that gives the alarm with substitute unit; And short circuit predicting unit is connected with inductive means, inductive means is used for the moisture of each functional unit circuit surface of induced electricity subset or the temperature of circuit lines insulation sheath or melting state, and induction result is sent to short circuit predicting unit; Short circuit predicting unit judges each functional unit circuit of electronic equipment that draws whether by the information of short circuit according to induction result, if judged result is, trigger emergency brake unit, substitute unit and alarm unit enter emergency treatment state.
Below with reference to accompanying drawing 1 to accompanying drawing 2a-2b and specific embodiment, power management module of the present invention is further described.It should be noted that, accompanying drawing all adopt simplify very much form, use non-ratio accurately, and only in order to object that is convenient, that clearly reach aid illustration the present embodiment.
Referring to Fig. 1, is the calcspar of the electronic equipment of a preferred embodiment of the present invention.As shown in the figure, the chip power administration module of against short-circuit of the present invention only show in an electronic equipment, in direct current in the present invention or the power supply circuits of interchange, can also comprise other electronic equipment 2, electronic equipment 3... electronic equipment n etc.Just be described in detail for electronic equipment 1 below.
In the present embodiment, the electronic equipment 1 in the present embodiment can be existing intelligent home electrical appliance, can have functional unit and mains switch, and it is such as motor, heater block, refrigeration part and display unit etc. that functional circuit can comprise.The each functional unit of controlling intelligent household appliances can be powered by alternating current unit as required, also can adopt DC-voltage supply, but the chip in controlling intelligent household appliances control unit adopts DC-voltage supply usually.Controlling intelligent household appliances control unit generally comprises direct current supply subelement and operating circuit subelement, and operating circuit subelement controls the operating state of each functional unit in controlling intelligent household appliances.
As shown in Figure 1, the chip power administrative unit in electronic equipment 1 comprises: the inductive means of being powered by direct current supply subelement, short circuit predicting unit, substitute unit, brake hard unit and alarm unit.
Whether short circuit predicting unit is used for each functional unit circuit of predict electronic equipment by short circuit, and controls the keying of brake hard unit; Brake hard unit for controlling powered-down switch, and controls to open substitute unit; Substitute unit forms non-shorting current circuit for replacing the operating circuit of short circuit; Alarm unit is connected, for the signal that gives the alarm with substitute unit.
When short circuit does not appear in operating circuit, when that is to say that electronic equipment uses normal, brake hard unit and substitute unit are idle; When the functional unit circuit of electronic equipment is about to occur short circuit, short circuit predicting unit can be predicted immediately and judge that functional unit circuit is about to occur short circuit.
The means of short circuit prediction can adopt multiple method; Reason due to household electrical appliance generation short circuit comprises the insulation sheath thawing etc. of the electric wire of operating circuit water inlet or operating circuit, so short circuit predicting unit can be connected with an inductive means, the position of inductive means can be arranged at each functional unit near circuitry, induction result for responding to each moisture of functional unit circuit surface, the temperature of the insulation sheath of circuit lines or melting state, and is sent to short circuit predicting unit by inductive means; Short circuit predicting unit just can draw operating circuit predicting the outcome by short circuit according to induction result.
Such as, inductive means can be one or more thermocouple, an electrode position of thermocouple can be arranged at shell place, with electric appliance casing temperature close seemingly, the other end can be placed on each functional unit circuit easily because heating causes short circuit place, when two ends have the temperature difference to reach certain threshold value, just start short circuit predicting unit.
Short circuit predicting unit can be electrically connected mutually with brake hard unit, for when judging to be about to be short-circuited, controls the unlatching of brake hard unit; Brake hard unit can be electrically connected mutually with substitute unit, thus controls the unlatching of substitute unit; Substitute unit then forms effective non-shorting current circuit; So then keep controlling intelligent household appliances to be in non-shorting state, avoid causing tripping operation and general supply being closed, thus cause the inconvenience because power-off brings to the life of people or work.
Substitute unit is the equivalent resistance of each functional unit circuit of electronic equipment, and after substitute unit is opened, equivalent resistance and alternating current unit are powered or direct current component forms non-shorting current circuit.
For example, referring to Fig. 2 a-2b, is the schematic diagram of the substitute circuit of a preferred embodiment of the present invention and the functional unit circuit of electronic equipment; Substitute unit comprises substitute circuit T1, and after substitute unit is opened, substitute circuit T1 forms non-shorting current circuit.In the present embodiment, substitute circuit T1 comprises the first control unit T2 and the second control unit T3, and substitute circuit T1 is connected with each functional unit circuit of electronic equipment; Second control unit T3 is used for opening when each functional unit circuit of electronic equipment is in non-shorting state, makes substitute circuit T1 present closed condition; First control unit T2 is used for opening when the functional unit circuit of electronic equipment is short-circuited, and makes substitute circuit T1 be non-shorting current circuit;
First control unit T2 is contrary with the open/close states of the second control unit T3; Second control unit 33 is identical with the open/close states of switch T5.
Please continue to refer to Fig. 2 a-2b; In Fig. 2 a and 2b, be substitute circuit T1 in dotted line frame, circuit L1 is a certain functional unit circuit of electronic equipment, it has a switch T5, is in series with resistance R in substitute circuit T1; As shown in Figure 2 a, when a certain functional unit circuit of electronic equipment normally works, switch T5 is in conducting state, and the second control unit T3 is also in conducting state, and the first control unit T2 is in off-state, and now, substitute circuit T1 is in nonconducting state; As shown in Figure 2 b, when a certain functional unit circuit of electronic equipment is short-circuited, operating circuit subelement control switch T5 is in off-state, first control unit T2 is in conducting state, second control unit T3 is in off-state, and now, substitute circuit T1 is in conducting state, visible, the operating state of whole controlling intelligent household appliances is still in non-shorting state.
In the present embodiment, the form of the alarm signal of alarm unit has a variety of, such as, and sound, image, word, light etc.; LED chip is owing to can have these forms concurrently, therefore, alarm unit can comprise LED display unit, and for sending the signals such as image, word, light and sound, the operating circuit surface of these household electrical appliance of prompting people has the insulated hull of moisture or operating circuit to melt.Here, the circuit on LED chip can be integrated in electronic equipment.Alarm signal can attract much attention, and makes people find early and keep in repair household electrical appliance.In other embodiments of the invention, alarm unit can also be buzzer, or has LED display unit and buzzer concurrently.
In other embodiments of the invention, substitute unit is open circuit control circuit, and after unlatching, the operating circuit subelement in trigger control unit sends clearance order to each functional unit of electronic equipment, makes each functional unit circuit of electronic equipment be in off state.
After considering the signal that gives the alarm, manually can occur that the functional unit circuit of short circuit is repaired or detected to this electronic equipment; If occur that the functional unit circuit of short circuit can recover normal work after repairing, then each functional unit circuit being in off state of electronic equipment can be made to recover normal work; Or, occur that the functional unit circuit of short circuit does not temporarily work when unit of substituting is opened, and other functional circuits need normal work; Therefore, this chip power administration module can also comprise recovery unit, is connected between substitute unit and control unit, when unit of substituting is in opening, recovery unit controls the operating circuit subelement in control unit, makes each functional unit of electronic equipment be in normal operating conditions.
Present invention also offers a kind of power-supply management system of electronic equipment, this electronic equipment includes above-mentioned chip power administration module.
Below referring to Fig. 3, is the schematic flow sheet of the method for managing power supply of a preferred embodiment of the present invention; The method for managing power supply of the present embodiment adopts chip power administration module of the present invention, comprises the following steps:
Step 01: by each functional unit circuit of short circuit predicting unit predict electronic equipment whether by short circuit;
Concrete, the identification of short circuit predicting unit judges that electronic equipment each functional unit circuit can adopt existing method by the method for short circuit, and the present invention is not restricted this.In the present embodiment, the mode adopted is as follows: short circuit predicting unit can be connected with an inductive means, the position of inductive means can be arranged at each functional unit near circuitry of electronic equipment, inductive means is used for temperature or the melting state of each moisture of functional unit circuit surface of induced electricity subset or the insulation sheath of circuit lines, and induction result is sent to short circuit predicting unit; Short circuit predicting unit just can draw operating circuit predicting the outcome by short circuit according to induction result.If so, trigger emergency brake unit, substitute unit and alarm unit enter emergency treatment state
Step 02: when short circuit appears in each functional unit circuit of electronic equipment, short circuit predicting unit controls to open brake hard unit;
Concrete, short circuit predicting unit is electrically connected mutually with brake hard unit, can control the unlatching of brake hard unit, and such as, send start signal to brake hard unit, brake hard unit is opened after receiving signal.
Step 03: open substitute unit by brake hard unit controls;
Concrete, the method controlling to open substitute unit can comprise: brake hard unit can also send signal to substitute unit, opens after substitute unit receives signal.
Step 04: substitute unit forms non-shorting current circuit.
Concrete, substitute unit is the equivalent resistance of each functional unit circuit of an electronic equipment, and non-shorting current circuit is powered by equivalent resistance and alternating current unit or direct current component is formed.Here, substitute unit comprises substitute circuit, and after substitute unit is opened, circuit of substituting is opened, and circuit of namely substituting can form non-shorting current circuit, thus the functional unit circuit substituting the appearance short circuit of electronic equipment makes electronic equipment keep non-shorting state.
Substitute unit in the present embodiment can comprise the first control unit and the second control unit, and substitute circuit is connected with each functional unit circuit of electronic equipment; Then when each functional unit circuit of electronic equipment normally works, the first control unit is closed, and the second control unit is opened, and circuit of now substituting is closed condition;
When operating circuit is by short circuit, this step 04 specifically comprises: the first control unit is opened, and the second control unit is closed, and thus, substitute circuit is non-shorting current circuit.
Step 05: alarm unit conducting, and send alarm signal.
Here, alarm unit comprises LED display unit and/or buzzer, thus the signal that gives the alarm.
In other embodiments of the invention, substitute unit is open circuit control circuit, above-mentioned steps 04 can replace with: after substitute unit is opened, operating circuit subelement in its trigger control unit sends clearance order to each functional unit of electronic equipment, makes each functional unit circuit of electronic equipment be in off state.
In other embodiments of the invention, chip power administration module also comprises recovery unit, therefore, after step 05, also there is step 06: when unit of substituting is in opening, recovery unit controls the operating circuit subelement in control unit, makes each functional unit circuit of electronic equipment be in normal operating conditions.
In sum, pass through the present invention, can when each functional unit circuit of electronic equipment be about to be short-circuited, formed non-shorting current circuit or make each functional unit circuit be in off state, thus make electronic equipment be in non-shorting state, avoid electric brake to takeoff and cause the closedown of whole general supply, for the life of people or production bring conveniently; And to give the alarm signal further by arranging alarm unit, people can be reminded to note, electronic equipment can be keeped in repair in time.
Although the present invention discloses as above with preferred embodiment; right described embodiment is citing for convenience of explanation only; and be not used to limit the present invention; those skilled in the art can do some changes and retouching without departing from the spirit and scope of the present invention, and the protection range that the present invention advocates should be as the criterion with described in claims.
Claims (10)
1. an against short-circuit chip power administration module, be applied to be powered by alternating current unit and/or electronic equipment that direct current component is powered control unit in, the each functional unit of described electronic equipment is powered and/or direct current component by described alternating current unit, described control unit comprises direct current supply subelement and operating circuit subelement, described operating circuit subelement controls the operating state of each functional unit of described electronic equipment, it is characterized in that, described chip power administrative unit comprises: the inductive means of being powered by described direct current supply subelement, short circuit predicting unit, substitute unit, brake hard unit and alarm unit, wherein,
Short circuit predicting unit, for predicting that whether described operating circuit is by short circuit, and controls the keying of described brake hard unit;
Brake hard unit, receives described short circuit predicting unit information, controls the keying of described substitute unit;
Substitute unit, forms non-shorting current circuit for replacing the operating circuit of described short circuit;
Alarm unit, is connected, for the signal that gives the alarm with described substitute unit; And,
Described short circuit predicting unit is connected with described inductive means, induction result for responding to the moisture of each functional unit circuit surface of described electronic equipment, the temperature of circuit lines insulation sheath or melting state, and is sent to described short circuit predicting unit by described inductive means; Described short circuit predicting unit judges to draw each functional unit of described electronic equipment whether by the information of short circuit according to described induction result, if so, triggers described brake hard unit, substitute unit and substitute unit and enters emergency treatment state.
2. chip power administration module according to claim 1, it is characterized in that, described substitute unit is the equivalent resistance of each functional unit circuit of described electronic equipment, after described substitute unit is opened, described equivalent resistance and described alternating current unit are powered or direct current component forms non-shorting current circuit.
3. chip power administration module according to claim 1, is characterized in that, described alarm unit comprises LED display unit and/or buzzer, for the signal that gives the alarm.
4. chip power administration module according to claim 1, it is characterized in that, described substitute unit is open circuit control circuit, after unlatching, the described operating circuit subelement triggered in described control unit sends clearance order to each functional unit of described electronic equipment, makes each functional unit circuit of described electronic equipment be in off state.
5. the chip power administration module according to claim 1-4, it is characterized in that, also comprise recovery unit, be connected between described substitute circuit and described control unit, when described substitute circuit is in opening, described recovery unit controls the operating circuit subelement in described control unit, makes each functional unit of described electronic equipment be in normal operating conditions.
6. a power-supply management system for electronic equipment, is characterized in that, described electronic equipment includes chip power administration module according to claim 1.
7. a method for managing power supply, is characterized in that, adopts chip power administration module according to claim 1, specifically comprises the following steps:
Step 01: predict that whether each functional unit circuit of described electronic equipment is by short circuit by described short circuit predicting unit;
Step 02: when short circuit appears in each functional unit circuit of described electronic equipment, described short circuit predicting unit controls to open brake hard unit;
Step 03: open described substitute unit by described brake hard unit controls;
Step 04: described substitute unit forms non-shorting current circuit; Or the described operating circuit subelement triggered in described control unit sends clearance order to each functional unit of described electronic equipment, each functional unit circuit of described electronic equipment is made to be in off state;
Step 05: described alarm unit conducting, and send alarm signal.
8. method for managing power supply according to claim 7, it is characterized in that, in described step 01, described short circuit predicting unit is connected with described inductive means, induction result for responding to the moisture of each functional unit circuit surface of described electronic equipment, the temperature of circuit lines insulation sheath or melting state, and is sent to described short circuit predicting unit by described inductive means; Described short circuit predicting unit judges to draw each functional unit circuit of described electronic equipment whether by the information of short circuit according to described induction result, if so, triggers described brake hard unit, substitute unit and alarm unit and enters emergency treatment state.
9. method for managing power supply according to claim 7, it is characterized in that, also comprise step 06: when described substitute unit is in opening, described recovery unit controls the described operating circuit subelement in described control unit, makes each functional unit circuit of described electronic equipment be in normal operating conditions.
10. method for managing power supply according to claim 7, is characterized in that, in described step 04, non-shorting current circuit is powered by described equivalent resistance and described alternating current unit or direct current component is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410521946.2A CN105514927A (en) | 2014-09-30 | 2014-09-30 | Anti-short circuit chip power supply management module, electronic device power supply management system, and electronic device power supply management method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410521946.2A CN105514927A (en) | 2014-09-30 | 2014-09-30 | Anti-short circuit chip power supply management module, electronic device power supply management system, and electronic device power supply management method |
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| CN105514927A true CN105514927A (en) | 2016-04-20 |
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| CN201410521946.2A Pending CN105514927A (en) | 2014-09-30 | 2014-09-30 | Anti-short circuit chip power supply management module, electronic device power supply management system, and electronic device power supply management method |
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