CN109245510A - Starting current suppression circuit, method, control device and equipment - Google Patents
Starting current suppression circuit, method, control device and equipment Download PDFInfo
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- CN109245510A CN109245510A CN201811093970.5A CN201811093970A CN109245510A CN 109245510 A CN109245510 A CN 109245510A CN 201811093970 A CN201811093970 A CN 201811093970A CN 109245510 A CN109245510 A CN 109245510A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
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- Direct Current Feeding And Distribution (AREA)
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Abstract
The present invention provides a kind of starting current suppression circuit, method, control device and equipment, which includes: afterflow module, and passing through continued flow resistance when power supply unit initial power-on in main side is control module power supply；Voltage detection module detects the supply voltage of main side power supply unit；Control module, determines power supply moment delay time relative to initial power-on moment of the main side power supply unit to each circuit module to be powered according to the impedance of supply voltage and each circuit module to be powered, exports control signal to power switch module according to delay time；Power switch module, when receiving control signal, the supply access being closed between main side power supply unit and control module, each circuit module to be powered, and disconnect the supply access between afterflow module and control module.Present invention reduces the complexities that electrifying startup electric current inhibits hardware circuit, save cost, realize the flexible control to power-on time according to the difference of supply voltage.
Description
Technical field
The present invention relates to technical field of circuit design more particularly to a kind of starting current suppression circuits, method, control device
And equipment.
Background technique
Equipment is controlled in mobile communication application, on tower to be frequently necessary to will result in main side in this way by cable multi-stage cascade
Power supply unit needs the load in face of different impedances.When cascade device is excessive, main side power supply unit, which powers on, be will result in from setting
Standby starting current is superimposed according to the quantity of cascade device, makes the power supply circuit of main side power supply unit because of unbearable excessive starting
Electric current and damage, therefore, it is necessary to be that every control equipment increases suppression circuit.
In the prior art, traditional starting suppression circuit is typically all to pass through the realization of hardware timing slow switch circuit, reaches drop
The purpose of low starting current.But this circuit is in width pressure input, circuit realize it is more complicated, it is slow open the time can not be according to voltage
Variation is adjusted, and can not provide maximum starting current adjustable suppression function.
Summary of the invention
In view of the above problems, it proposes on the present invention overcomes the above problem or at least be partially solved in order to provide one kind
State starting current suppression circuit, method, control device and the equipment of problem.
One aspect of the present invention provides a kind of starting current suppression circuit, including afterflow module, voltage detecting mould
Block, control module and power switch module；
The afterflow module, is connected with main side power supply unit and control module, in main side power supply unit initial power-on
When by continued flow resistance be the control module power；
The voltage detection module, for detecting the supply voltage of main side power supply unit；
The control module, for determining the master according to the impedance of the supply voltage and each circuit module to be powered
Delay time of the power supply unit to the power supply moment of each circuit module to be powered relative to the initial power-on moment is held, is prolonged according to described
The slow time exports control signal to the power switch module；
The power switch module is distinguished with the main side power supply unit and control module, each circuit module to be powered
It is connected, for when receiving the control signal, being closed the main side power supply unit and the control module, each electricity to be powered
Supply access between the module of road, and disconnect the supply access between afterflow module and the control module.
Optionally, the power switch module include voltage driver, main power switch and with each circuit mould to be powered
The one-to-one each sub- power switch of block, the voltage driver are connect with the control module and the main power switch, institute
Main power switch is stated to link respectively with the main side power supply unit and each sub- power switch, each sub- power switch respectively with it is described
Control module connection, the voltage driver drive the master when receiving the first control signal of the control module output
Power switch closure, the control module is after exporting first control signal, successively to each sub- the second control of power switch output
Signal processed, each sub- power switch are successively closed according to the second control signal received, realize each circuit module to be powered when
Sequence powers on.
Optionally, the afterflow module, by one-to-one sub- power switch respectively with each circuit module phase to be powered
Even, in main side power supply unit initial power-on by continued flow resistance be corresponding sub- power switch be in closed state to
Power supply circuit module for power supply.
Optionally, the voltage detection module includes resistance and analog-digital converter ADC, the resistance and the afterflow
The input terminal of module is connected with the input terminal of ADC, and the output end of the ADC is connect with the control module.
Optionally, the afterflow module includes continued flow resistance and DC-DC circuit, and the DC-DC circuit connects
The output end of the continued flow resistance and the power supply interface of the control module are connect, the direct current for the continued flow resistance to be exported
Direct current needed for being converted into the control module.
Another aspect of the present invention provides a kind of starting current suppressing method, comprising:
The supply voltage of main side power supply unit is obtained, the supply voltage is to carry out at afterflow by preset afterflow module
Supply voltage after reason；
According to the impedance of the supply voltage and each circuit module to be powered determine the main side power supply unit to respectively to
Delay time of the power supply moment of power supply circuit module relative to the initial power-on moment；
Electrifying startup control is carried out to each circuit module to be powered according to the delay time.
It is optionally, described that electrifying startup control is carried out to each circuit module to be powered according to the delay time, comprising:
Power supply moment of the main side power supply unit to each circuit module to be powered is determined according to the delay time；
When reaching the power supply moment, timing control signal is generated, to control according to the timing control signal respectively wait supply
The electrifying timing sequence of electric circuit module.
Another aspect of the invention provides a kind of control device, comprising:
Acquiring unit, for obtaining the supply voltage of main side power supply unit, the supply voltage is to pass through preset afterflow
Module carries out afterflow treated supply voltage；
Computing unit, for determining that the main side supplies according to the impedance of the supply voltage and each circuit module to be powered
Power supply moment delay time relative to initial power-on moment of the electric equipment to each circuit module to be powered；
Control unit, for carrying out electrifying startup control to each circuit module to be powered according to the delay time.
Optionally, described control unit, specifically for determining the main side power supply unit to each according to the delay time
The power supply moment of circuit module to be powered；When reaching the power supply moment, timing control signal is generated, according to the timing
Control signal controls the electrifying timing sequence of each circuit module to be powered.
In addition, the present invention also provides a kind of equipment, including multistage circuit module to be powered and starting as described above
Current suppressing circuit.
Starting current suppression circuit, method, control device and equipment provided in an embodiment of the present invention, by continuous using powering on
Galvanic electricity stream is powered to control module, is then realized according to the different of supply voltage to the flexible of power-on time by control module resource
Control starts control by power-on delay and realizes the adjustable suppression function of maximum starting current, reduces electrifying startup electric current
Inhibit the complexity of hardware circuit, saves cost.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of starting current suppression circuit provided in an embodiment of the present invention；
Fig. 2 be another embodiment of the present invention provides starting current suppression circuit circuit diagram；
Fig. 3 is the flow chart of the starting current suppressing method of the embodiment of the present invention；
Fig. 4 diagrammatically illustrates the structural schematic diagram of the control device of the embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific term), there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, it should be understood that have in the context of the prior art
The consistent meaning of meaning, and unless otherwise will not be explained in an idealized or overly formal meaning by specific definitions.
The present invention provides a kind of starting current suppression circuit, it can be widely applied to there is what is strictly limited to set to powering on electric current
Standby and field, with reduce it is existing power on it is slow open hardware circuit complexity, reduce cost, realize that starting current presses down more flexiblely
Function processed.
Fig. 1 is the structural schematic diagram of starting current suppression circuit provided in an embodiment of the present invention.Referring to Fig.1, the present invention is real
Apply the starting current suppression circuit of example, including afterflow module 10, voltage detection module 20, control module 30 and power switch mould
Block 40, wherein the realization of low-power consumption MCU controller can be used in control module 30.In a specific embodiment using equipment original
The MCU controller originally having is realized.The present invention removes the hardware timing circuit in the prior art for powering on slow switch circuit, with processing
Device controls, and reduces circuit complexity, reduces circuit cost.
Specifically, afterflow module 10, is connected with current main side power supply unit and control module 30 respectively, for supplying in main side
Passing through continued flow resistance when electric equipment initial power-on is the control module 30 power supply.
Voltage detection module 20, for detecting the supply voltage of main side power supply unit.
Control module 30, supply voltage and each circuit module to be powered for being detected according to voltage detection module 20
Impedance when determining power supply moment delay relative to initial power-on moment of the main side power supply unit to each circuit module to be powered
Between, and control signal is exported to power switch module 40 according to the delay time determined, so that 40 basis of power switch module
It controls signal and carries out corresponding switch control.
Power switch module 40 is respectively connected with main side power supply unit and control module 30, each circuit module to be powered,
For being closed the main side power supply unit and the control module when receiving the control signal that the control module 30 issues
30, the supply access between each circuit module to be powered, and disconnect the supply access between afterflow module 10 and control module 30.
In the embodiment of the present invention, control module 30 can be according to the difference flexibly control delay of main side power supply unit supply voltage
Time further realizes the flexible control to electric current is powered on, and provides the adjustable suppression function of maximum starting current.The present invention
Not only realize it is slow open the time and adjusted according to voltage change, but also the application scenarios of wide pressure input can be suitable for.
Starting current suppression circuit provided in an embodiment of the present invention powers on freewheel current by utilization and supplies to control module
Then electricity passes through power-on delay according to the different flexible controls realized to power-on time of supply voltage by control module resource
The adjustable suppression function of maximum starting current is realized in starting control, reduces the complexity that electrifying startup electric current inhibits hardware circuit
Degree saves cost.
Fig. 2 be another embodiment of the present invention provides starting current suppression circuit circuit diagram.Referring to Fig. 2, this reality
Apply in example power switch module 40 include voltage driver DR1, main power switch SW and with each circuit module to be powered one by one
Corresponding each sub- power switch SW 1 arrives SW n, the voltage driver DR and control module 30 and the main power switch SW connects
It connects, the energization input power input and each sub- power switch of the main power switch SW and the main side power supply unit
SW 1 is linked respectively to SW n, and each sub- power switch SW 1 to SW n is connect with the control module 30 respectively, and the voltage drives
Dynamic device SW drives the main power switch SW closure when receiving the first control signal that the control module 30 exports, described
Control module 30 is after exporting first control signal, and successively to each sub- power switch SW 1 to SW n, the second control of output is believed
Number, each sub- power switch SW 1 to SW n is successively closed according to the second control signal received, realizes each circuit mould to be powered
The timing of block powers on.
Further, the afterflow module 10, by one-to-one sub- power switch SW 1 to SW n respectively with respectively to
Power supply circuit module is connected, and is corresponding sub- power switch for passing through continued flow resistance R1 in main side power supply unit initial power-on
Circuit module to be powered power supply in closed state.
In the present embodiment, afterflow module 10 can by one-to-one sub- power switch SW 1 to SW n respectively with respectively to
Power supply circuit module is connected, and each sub- power switch is in an off state under original state, when control module 30 is MCU processor
It can directly adopt to power by continued flow resistance R1 after the power-up and work normally, at this point, powering on electric current in guarantee will not be to afterflow electricity
Under the premise of resistance R1 causes overcurrent damage, control module 30 can control sub- power switch any one or more, be at closed form
State, so that power supply is first powered in the time by afterflow power R1 circuit module charging to be powered each to rear class defined
Completion powers on.
Further, as shown in Fig. 2, voltage detection module 20 includes resistance R2 and analog-digital converter ADC, the electricity
Resistance R2 is connect with the input terminal of the input terminal of the afterflow module 10 and ADC respectively, the output end of the ADC and the control mould
Block connection.
Further, as shown in Fig. 2, the afterflow module 10 includes continued flow resistance R1 and DC-DC circuit PC1, institute
It states DC-DC circuit DC-DC and connects the output end of the continued flow resistance R1 and the power supply interface VCC_ of the control module 30
MCU, direct current needed for the direct current for the continued flow resistance R1 to be exported is converted into the control module 30.
In the present embodiment, control module 30 is that MCU processor is supplied by resistance R2 and ADC (being not limited to ADC) acquisition main side
The current supply voltage of electric equipment, then calculates the time of the main power switch delayed start-up of SW, and MCU processor passes through DR1 electricity
Die mould driver opens main power switch SW, bypasses R1, so that electric current is directly passed through SW and supplies to each circuit module to be powered of rear class
Electricity, MCU processor control SW1 to SW n to the electrifying timing sequence of each circuit module to be powered of rear class, to complete whole power up.
Starting current suppression circuit provided in an embodiment of the present invention at least has the following beneficial effects:
Remove it is original it is slow open timing circuit, reduce circuit complexity, reduce circuit cost.
By acquiring supply voltage, the suitable power-on delay time is calculated for different supply voltages.
For big load circuit, subsequent electrifying timing sequence control is provided, to reduce starting current to greatest extent.
Fig. 3 is the flow chart of the starting current suppressing method of the embodiment of the present invention.Referring to Fig. 3, the embodiment of the present invention is opened
Streaming current suppressing method specifically includes the following steps:
S11, the supply voltage for obtaining main side power supply unit, the supply voltage are to be continued by preset afterflow module
Supply voltage after stream process.
S12, determined according to the impedance of the supply voltage and each circuit module to be powered the main side power supply unit to
Delay time of the power supply moment of each circuit module to be powered relative to the initial power-on moment.
S13, electrifying startup control is carried out to each circuit module to be powered according to the delay time.
In embodiments of the present invention, described that electrifying startup control is carried out to each circuit module to be powered according to the delay time
System, further includes steps of
Power supply moment of the main side power supply unit to each circuit module to be powered is determined according to the delay time；
When reaching the power supply moment, timing control signal is generated, to control according to the timing control signal respectively wait supply
The electrifying timing sequence of electric circuit module.
Starting current suppressing method provided in an embodiment of the present invention, can be according to the difference spirit of main side power supply unit supply voltage
Control delay time living, the flexible control to electric current is powered on is further realized, the adjustable suppression of maximum starting current is provided
Function.The present invention not only realize it is slow open the time and adjusted according to voltage change, but also the applied field of wide pressure input can be suitable for
Scape.
For embodiment of the method, for simple description, therefore, it is stated as a series of action combinations, but this field
Technical staff should be aware of, and embodiment of that present invention are not limited by the describe sequence of actions, because implementing according to the present invention
Example, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know that, specification
Described in embodiment belong to preferred embodiment, the actions involved are not necessarily necessary for embodiments of the present invention.
Fig. 4 diagrammatically illustrates the structural schematic diagram of the control device of the embodiment of the present invention.The control device can be used
Low-power consumption MCU controller is realized.It is realized in a specific embodiment using the MCU controller that equipment just has originally.Reference
Fig. 4, the control device of the embodiment of the present invention specifically include acquiring unit 301, computing unit 302 and control unit 303,
In:
Acquiring unit 301, for obtaining the supply voltage of main side power supply unit, the supply voltage is by preset continuous
Flow module carries out afterflow treated supply voltage；
Computing unit 302, for determining the master according to the impedance of the supply voltage and each circuit module to be powered
Hold delay time of the power supply unit to the power supply moment of each circuit module to be powered relative to the initial power-on moment；
Control unit 303, for carrying out electrifying startup control to each circuit module to be powered according to the delay time.
Further, described control unit, specifically for according to the delay time determine the main side power supply unit to
The power supply moment of each circuit module to be powered；When reaching the power supply moment, generate timing control signal, with according to it is described when
Sequence control signal controls the electrifying timing sequence of each circuit module to be powered.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple
Place illustrates referring to the part of embodiment of the method.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case where, it can understand and implement.
In addition, the present invention also provides a kind of equipment, including multistage circuit module to be powered and any embodiment as above
The starting current suppression circuit.
Starting current suppression circuit in the present embodiment is as shown in Figure 1 or 2, including afterflow module 10, voltage detecting mould
Block 20, control module 30 and power switch module 40.
Equipment provided in this embodiment can be and control equipment on the tower in mobile communication application comprising it is multistage to
Power supply circuit module is the cascade device that equipment is controlled on tower.
Equipment provided in an embodiment of the present invention powers on freewheel current by utilization and powers to control module, then by controlling
Module resource starts control by power-on delay and realizes most according to the different flexible controls realized to power-on time of supply voltage
The adjustable suppression function of great start-up current reduces the complexity that electrifying startup electric current inhibits hardware circuit, saves cost.
In addition, it is stored thereon with computer program the embodiment of the invention also provides a kind of computer readable storage medium,
The program realizes the step of starting current suppressing method method as described above when being executed by processor.
In the present embodiment, if module/unit that the control device integrates is realized in the form of SFU software functional unit simultaneously
When sold or used as an independent product, it can store in a computer readable storage medium.Based on such reason
Solution, the present invention realize all or part of the process in above-described embodiment method, can also instruct correlation by computer program
Hardware complete, the computer program can be stored in a computer readable storage medium, the computer program is in quilt
When processor executes, it can be achieved that the step of above-mentioned each embodiment of the method.Wherein, the computer program includes computer program
Code, the computer program code can be source code form, object identification code form, executable file or certain intermediate forms
Deng.The computer-readable medium may include: any entity or device, record that can carry the computer program code
Medium, USB flash disk, mobile hard disk, magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only Memory), with
Machine access memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..
It should be noted that the content that the computer-readable medium includes can be according to legislation and patent practice in jurisdiction
It is required that carrying out increase and decrease appropriate, such as in certain jurisdictions, do not wrapped according to legislation and patent practice, computer-readable medium
Include electric carrier signal and telecommunication signal.
It will be appreciated by those of skill in the art that although some embodiments in this include included in other embodiments
Certain features rather than other feature, but the combination of the feature of different embodiments means to be within the scope of the present invention simultaneously
And form different embodiments.For example, in the following claims, the one of any of embodiment claimed all may be used
Come in a manner of in any combination using.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of starting current suppression circuit, which is characterized in that including afterflow module, voltage detection module, control module and
Power switch module；
The afterflow module, is connected with main side power supply unit and the control module, in main side power supply unit initial power-on
When by continued flow resistance be the control module power；
The voltage detection module, for detecting the supply voltage of main side power supply unit；
The control module, for determining that main side power supply is set according to the impedance of the supply voltage and each circuit module to be powered
The standby delay time to the power supply moment of each circuit module to be powered relative to the initial power-on moment, according to the delay time to
The power switch module output control signal；
The power switch module is respectively connected with main side power supply unit and control module, each circuit module to be powered, is used for
When receiving the control signal, be closed the main side power supply unit and the control module, each circuit module to be powered it
Between supply access, and disconnect the supply access between afterflow module and the control module.
2. starting current suppression circuit according to claim 1, which is characterized in that the power switch module includes voltage
Driver, main power switch and with the one-to-one each sub- power switch of each circuit module to be powered, the voltage driver
It is connect with the control module and the main power switch, the main power switch and the main side power supply unit and each sub- confession
Electric switch links respectively, and each sub- power switch is connect with the control module respectively, the voltage driver receive it is described
The main power switch closure is driven when the first control signal of control module output, the control module is controlled in output first
After signal, second control signal successively is exported to each sub- power switch, each sub- power switch is according to the second control received
Signal is successively closed, and realizes that the timing of each circuit module to be powered powers on.
3. starting current suppression circuit according to claim 2, which is characterized in that the afterflow module passes through an a pair
The sub- power switch answered is connected with each circuit module to be powered respectively, for passing through afterflow in main side power supply unit initial power-on
Resistance is the circuit module to be powered power supply that corresponding sub- power switch is in closed state.
4. starting current suppression circuit according to claim 1, which is characterized in that the voltage detection module includes resistance
With analog-digital converter ADC, the resistance is connect with the input terminal of the input terminal of the afterflow module and ADC, the ADC's
Output end is connect with the control module.
5. starting current suppression circuit according to claim 1, which is characterized in that the afterflow module includes continued flow resistance
And DC-DC circuit, the DC-DC circuit connect the output end of the continued flow resistance and the confession of the control module
Electrical interface, direct current needed for the direct current for the continued flow resistance to be exported is converted into the control module.
6. a kind of starting current suppressing method characterized by comprising
The supply voltage of main side power supply unit is obtained, the supply voltage is after carrying out afterflow processing by preset afterflow module
Supply voltage；
Determine the main side power supply unit to each to be powered according to the impedance of the supply voltage and each circuit module to be powered
Delay time of the power supply moment of circuit module relative to the initial power-on moment；
Electrifying startup control is carried out to each circuit module to be powered according to the delay time.
7. starting current suppressing method according to claim 6, which is characterized in that it is described according to the delay time to each
Circuit module to be powered carries out electrifying startup control, comprising:
Power supply moment of the main side power supply unit to each circuit module to be powered is determined according to the delay time；
When reaching the power supply moment, timing control signal is generated, to control each electricity to be powered according to the timing control signal
The electrifying timing sequence of road module.
8. a kind of control device characterized by comprising
Acquiring unit, for obtaining the supply voltage of main side power supply unit, the supply voltage is to pass through preset afterflow module
Carry out afterflow treated supply voltage；
Computing unit, for determining that the main side power supply is set according to the impedance of the supply voltage and each circuit module to be powered
The standby delay time to the power supply moment of each circuit module to be powered relative to the initial power-on moment；
Control unit, for carrying out electrifying startup control to each circuit module to be powered according to the delay time.
9. control device according to claim 8, which is characterized in that described control unit, specifically for prolonging according to
The slow time determines power supply moment of the main side power supply unit to each circuit module to be powered；When reaching the power supply moment,
Timing control signal is generated, to control the electrifying timing sequence of each circuit module to be powered according to the timing control signal.
10. a kind of equipment, which is characterized in that including multistage circuit module to be powered and as described in claim any one of 1-5
Starting current suppression circuit.
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| CN1601412A (en) * | 2003-09-25 | 2005-03-30 | 华为技术有限公司 | Method and circuit for controlling time sequence of power supplying |
| CN101789682A (en) * | 2010-02-10 | 2010-07-28 | 福建星网锐捷网络有限公司 | Multiple output power supply time sequence control device and method |
| CN202190258U (en) * | 2011-03-24 | 2012-04-11 | 北京傲天动联技术有限公司 | Power sequence control circuit |
| CN103869122A (en) * | 2012-12-14 | 2014-06-18 | 北京普源精电科技有限公司 | Power supply with trigger input function and working method thereof |
| CN203078325U (en) * | 2012-12-31 | 2013-07-24 | 上海大郡动力控制技术有限公司 | Protection system for preventing master contactor of vehicle-mounted motor control system from losing effectiveness |
| CN108519806A (en) * | 2018-04-26 | 2018-09-11 | 北京比特大陆科技有限公司 | A kind of chip controls method, apparatus, computer equipment and computer storage media |
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| CN109245510B (en) | 2021-02-23 |
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Address after: 510663 No. 10 Shenzhou Road, Guangzhou Science City, Guangzhou, Guangdong Province Patentee after: Jingxin Network System Co.,Ltd. Patentee after: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Patentee after: TIANJIN COMBA TELECOM SYSTEMS Ltd. Address before: 510663 No. 10 Shenzhou Road, Guangzhou Science City, Guangzhou, Guangdong Province Patentee before: COMBA TELECOM SYSTEMS (CHINA) Ltd. Patentee before: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Patentee before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Patentee before: TIANJIN COMBA TELECOM SYSTEMS Ltd. |
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Effective date of registration: 20210809 Address after: 510663 No. 10 Shenzhou Road, Guangzhou Science City, Guangzhou, Guangdong Province Patentee after: Jingxin Network System Co.,Ltd. Address before: 510663 No. 10 Shenzhou Road, Guangzhou Science City, Guangzhou, Guangdong Province Patentee before: Jingxin Network System Co.,Ltd. Patentee before: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Patentee before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Patentee before: TIANJIN COMBA TELECOM SYSTEMS Ltd. |