CN109494998A - A kind of single live wire power getting control system and method - Google Patents
A kind of single live wire power getting control system and method Download PDFInfo
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- CN109494998A CN109494998A CN201811640955.8A CN201811640955A CN109494998A CN 109494998 A CN109494998 A CN 109494998A CN 201811640955 A CN201811640955 A CN 201811640955A CN 109494998 A CN109494998 A CN 109494998A
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- module
- control
- live wire
- controllable switch
- single live
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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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
This application discloses a kind of single live wire power getting control systems, including single live wire power getting module, controllable switch module, energy-storage module and control module；The input terminal of single live wire power getting module is connect with firewire, and for commercial power rectification to be exported direct current, the output end of single live wire power getting module is connect with the feeder ear of the first end of controllable switch module, control module respectively；The second end of controllable switch module is connect with energy-storage module；The output end of control module and the control terminal of controllable switch module connect, the AD sampling input terminal of control module is connect with energy-storage module, for obtaining the voltage value of energy-storage module, and when sampled voltage is lower than the first preset threshold, output shutdown control signal is to controllable switch module, in order to make single live wire power getting module is only control module power supply.The application solves the problems, such as control module delay start due to energy-storage module charging time length.Disclosed herein as well is a kind of single live wire power getting control methods, it may have above-mentioned beneficial effect.
Description
Technical field
This application involves single live wire power getting technical field, in particular to a kind of single live wire power getting control system and method.
Background technique
With the popularization and development of smart home technology, more and more intelligent power equipment based on wireless control are at home
It is applied in life and commercial lighting.Control module in this kind of intelligent power equipment and the wall switch being used cooperatively can be into
Row wireless communication, and then the regulation of wireless control directives that acceptable control module is issued.Due to the cloth of traditional metope switch
Line is usually single firewire power supply, this power supply capacity for the control module for being integrated with wireless communication unit is limited, therefore needs
Add the energy-storage module in parallel with control module such as farad capacitor etc..Also, the capacitance of capacitor is bigger, can be supplied to control module
The duration of continuous work is more long.However, when energy-storage module generally requires to spend longer charging when equipment first powers on
Between, the farad capacitor of especially big capacitance, the rate of climb of voltage is very slow so that control module during this period without
Method normally starts, and has seriously affected user experience.In consideration of it, providing a kind of scheme to solve the above problems is those skilled in the art
Member needs concern.
Summary of the invention
The application's is designed to provide a kind of single live wire power getting control system and method, to efficiently solve control mould
The problem of block can not normally start in the initial time period first powered on because of storage capacitor charging, and then effectively improve product
Economic benefit and user experience.
In order to solve the above technical problems, in a first aspect, this application discloses a kind of single live wire power getting control system, including list
Live wire power getting module, controllable switch module, energy-storage module and the control module for controlling electrical equipment；
The input terminal of the single live wire power getting module is connect with firewire, for commercial power rectification to be exported direct current, the list
The output end of live wire power getting module is connect with the feeder ear of the first end of the controllable switch module, the control module respectively；
The second end of the controllable switch module is connect with the energy-storage module；
The output end of the control module is connect with the control terminal of the controllable switch module, and the AD of the control module is adopted
Sample input terminal is connect with the energy-storage module, is lower than first for obtaining the voltage value of the energy-storage module, and in sampled voltage
When preset threshold, output shutdown control signal is to the controllable switch module, in order to make the single live wire power getting module is only institute
State control module power supply.
Optionally, the control module is also used to: when the sampled voltage is not less than first preset threshold, output
Control signal is opened to the controllable switch module, in order to make the single live wire power getting module is simultaneously the control module and institute
State energy-storage module power supply.
Optionally, the control module is also used after the output turns off control signal to the controllable switch module
In: after the control module steady operation preset duration, output opens control signal to the controllable switch module, so as to
It enables the single live wire power getting module while being the control module and energy-storage module power supply.
Optionally, the controllable switch module includes biasing resistor and PMOS tube；The first end of the biasing resistor and institute
State the source electrode connection of PMOS tube, and the first end as the controllable switch module；The second end of the biasing resistor with it is described
The grid of PMOS tube connects, and the control terminal as the controllable switch module；The drain electrode of the PMOS tube is as described controllable
The second end of switch module.
Optionally, the shutdown control signal is high-impedance state signal or overall height level signal.
Optionally, the control module is specifically used for: when the sampled voltage is not less than first preset threshold, sentencing
Whether the sampled voltage that breaks is lower than the second preset threshold；If so, output first opens control signal to the controllable switch
Module；If it is not, then output second opens control signal to the controllable switch module；
Wherein, second preset threshold is higher than first preset threshold；Described second opens the open-minded of control signal
Control frequency, which is higher than described first, to be opened control signal and opens control frequency.
Optionally, described first control signal is opened as pwm signal；Described second opens control signal as full low level letter
Number.
Optionally, the energy-storage module includes first capacitor, the first resistor in parallel with the first capacitor, with described the
Concatenated second capacitor of one capacitor, the second resistance in parallel with second capacitor；The first capacitor and second capacitor
The AD sampling input terminal of common end and the control module connect.
Optionally, the single live wire power getting module includes the electronic switch unit being sequentially connected in series, rectification unit and pressure stabilizing list
Member.
Second aspect, disclosed herein as well is a kind of single live wire power getting control methods, are applied to as described above any
The control module in single live wire power getting control system, comprising:
Obtain the sampled voltage of the voltage value of the energy-storage module；
Judge whether the sampled voltage is lower than first preset threshold；
If so, output shutdown controls signal to the controllable switch module, in order to make the single live wire power getting module is only
For control module power supply.
Optionally, determining the sampled voltage not less than after first preset threshold, further includes:
Output opens control signal to the controllable switch module, in order to make the single live wire power getting module is described simultaneously
Control module and energy-storage module power supply.
Optionally, after the output turns off control signal to the controllable switch module, further includes:
After the control module steady operation preset duration, output opens control signal to the controllable switch mould
Block, in order to make the single live wire power getting module is the control module and energy-storage module power supply simultaneously.
Optionally, the controllable switch module includes biasing resistor and PMOS tube；The first end of the biasing resistor and institute
State the source electrode connection of PMOS tube, and the first end as the controllable switch module；The second end of the biasing resistor with it is described
The grid of PMOS tube connects, and the control terminal as the controllable switch module；The drain electrode of the PMOS tube is as described controllable
The second end of switch module.
Optionally, the shutdown control signal is high-impedance state signal or overall height level signal.
Optionally, determine the sampled voltage not less than after first preset threshold described, further includes:
Judge whether the sampled voltage is lower than the second preset threshold；
If so, output first opens control signal to the controllable switch module；
If it is not, then output second opens control signal to the controllable switch module；
Wherein, second preset threshold is higher than first preset threshold；Described second opens the open-minded of control signal
Control frequency, which is higher than described first, to be opened control signal and opens control frequency.
Optionally, described first control signal is opened as pwm signal；Described second opens control signal as full low level letter
Number.
Optionally, the energy-storage module includes first capacitor, the first resistor in parallel with the first capacitor, with described the
Concatenated second capacitor of one capacitor, the second resistance in parallel with second capacitor；The first capacitor and second capacitor
The AD sampling input terminal of common end and the control module connect.
Optionally, the single live wire power getting module includes the electronic switch unit being sequentially connected in series, rectification unit and pressure stabilizing list
Member.
Single live wire power getting control system provided herein includes single live wire power getting module, controllable switch module, energy storage
Module and control module for controlling electrical equipment；The input terminal of the single live wire power getting module is connect with firewire, is used for
Commercial power rectification is exported into direct current, the output end of the single live wire power getting module respectively with the controllable switch module first
The feeder ear connection at end, the control module；The second end of the controllable switch module is connect with the energy-storage module；The control
The output end of molding block is connect with the control terminal of the controllable switch module, the AD of control module sampling input terminal with it is described
Energy-storage module connection, for obtaining the voltage value of the energy-storage module, and when sampled voltage is lower than the first preset threshold, output
Shutdown control signal is to the controllable switch module, in order to make the single live wire power getting module is only the control module power supply.
As it can be seen that compared with the prior art, single live wire power getting control system provided herein, by energy-storage module
Voltage value is sampled and is analyzed, and controllable switch module cutting energy-storage module and system main circuit are utilized when voltage value is lower
Connection, stopped the charging process to energy-storage module, control module has been effectively ensured normally obtains electric work, solves control
Module the problem of delay start, greatly improves product economy benefit and user experience due to energy-storage module charging time length.
Single live wire power getting control method provided herein equally has above-mentioned beneficial effect.
Detailed description of the invention
In order to illustrate more clearly of the technical solution in the prior art and the embodiment of the present application, below will to the prior art and
Attached drawing to be used is needed to make brief introduction in the embodiment of the present application description.Certainly, in relation to the attached drawing of the embodiment of the present application below
A part of the embodiment in only the application of description is not paying creativeness to those skilled in the art
Under the premise of labour, other attached drawings can also be obtained according to the attached drawing of offer, other accompanying drawings obtained also belong to the application
Protection scope.
Fig. 1 is the structural schematic diagram of single live wire power getting control system provided herein in a specific embodiment；
Fig. 2 is the structural representation of single live wire power getting control system provided herein in another specific embodiment
Figure；
Fig. 3 is the structural schematic diagram of single live wire power getting module provided herein in a specific embodiment；
Fig. 4 is the flow chart of single live wire power getting control method provided herein in a specific embodiment；
Fig. 5 is the flow chart of single live wire power getting control method provided herein in another specific embodiment.
Specific embodiment
The core of the application is to provide a kind of single live wire power getting control system and method, to efficiently solve control mould
The problem of block can not normally start in the initial time period first powered on because of storage capacitor charging, and then effectively improve product
Economic benefit and user experience.
In order to which technical solutions in the embodiments of the present application is more clearly and completely described, below in conjunction with this Shen
Please attached drawing in embodiment, technical solutions in the embodiments of the present application is introduced.Obviously, described embodiment is only
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
The embodiment of the present application discloses a kind of single live wire power getting control system, shown referring to Fig.1, and main includes that single firewire takes
Electric module 1, controllable switch module 2, energy-storage module 3 and the control module 4 for controlling electrical equipment；
The input terminal of single live wire power getting module 1 is connect with firewire, for commercial power rectification to be exported direct current, single live wire power getting
The output end of module 1 is connect with the feeder ear of the first end of controllable switch module 2, control module 4 respectively；Controllable switch module 2
Second end connect with energy-storage module 3；
The output end of control module 4 is connect with the control terminal of controllable switch module 2, and the AD of control module 4 samples input terminal
It is connect with energy-storage module 3, for obtaining the voltage value of energy-storage module 3, and when sampled voltage is lower than the first preset threshold, output
Shutdown control signal is to controllable switch module 2, in order to make single live wire power getting module 1 is only that control module 4 is powered.
Wherein, control module 4 concretely controls in smart home technology corresponding for the modes such as by wireless communication
The control equipment of intelligent power equipment (such as intelligent ceiling lamp), is integrated with microprocessor, wireless communication unit and ADC sampling
Unit etc..
Power supply is compensated to control module 4 since energy-storage module 3 can generally be arranged in single live wire power getting scheme, but is being
When system first powers on, energy-storage module 3 needs to expend a large amount of charging time, and causes control module 4 during this period can not be just
Often starting, as a result, in single live wire power getting control system provided herein, single live wire power getting module 1 and energy-storage module 3 it
Between be provided with controllable switch module 2, and controllable switch module 2 is controlled according to the voltage value of energy-storage module 3 by control module 4
On-off.
It is easily understood that the direct current exported from single live wire power getting module 1 both may be used when controllable switch module 2 is connected
It is delivered to control module 4, and energy-storage module 3 can be delivered to by controllable switch module 2 simultaneously, is powered simultaneously for the two；And work as
When controllable switch module 2 turns off, the direct current exported from single live wire power getting module 1 is only delivered to control module 4, i.e., at this time no longer
It powers for energy-storage module 3, also, because of the open circuit of controllable switch module 2, energy-storage module 3 no longer generates voltage to control module 4
Clamping action, control module 4 can normally obtain electric work from single live wire power getting module 1.
As a result, in this application, control module 4 can carry out ADC sampling to the voltage value of energy-storage module 3, and will sampling electricity
Pressure is compared with the first preset threshold: if sampled voltage is lower than the first preset threshold, can determine that the electricity of current energy-storage module 3
Pressure value is lower, needs to expend the longer charging time, therefore exportable shutdown control signal, to controllable switch module 2, control can
It controls switch module 2 to turn off, individually to obtain electric work independently of energy-storage module 3.
As for the specific value of the first described preset threshold, those skilled in the art can according to practical situations and from
Row selects and realization is arranged, and the application is not limited thereto.For example, 0.5V can be specifically configured to.
Single live wire power getting control system provided herein includes single live wire power getting module 1, controllable switch module 2, storage
It can module 3 and the control module 4 for controlling electrical equipment；The input terminal of single live wire power getting module 1 is connect with firewire, is used for
Commercial power rectification is exported into direct current, the output end of single live wire power getting module 1 respectively with the first end of controllable switch module 2, control
The feeder ear of module 4 connects；The second end of controllable switch module 2 is connect with energy-storage module 3；The output end of control module 4 with can
The control terminal connection of switch module 2 is controlled, the AD sampling input terminal of control module 4 is connect with energy-storage module 3, for obtaining energy storage mould
The voltage value of block 3, and when sampled voltage is lower than the first preset threshold, output shutdown control signal to controllable switch module 2, with
Just enabling single live wire power getting module 1 is only that control module 4 is powered.As it can be seen that the application is adopted by the voltage value to energy-storage module 3
Sample and analysis, and stopped when voltage value is lower using the connection of controllable switch module 2 cutting energy-storage module 3 and system main circuit
Stopped the charging process to energy-storage module 3, control module 4 has been effectively ensured normally obtains electric work, solve control module 4 because
3 charging time of energy-storage module is long and the problem of delay start, greatly improve product economy benefit and user experience.
Single live wire power getting control system provided by the present embodiment, on the basis of the above, as a kind of preferred reality
Apply example, control module 4 is also used to: when sampled voltage is not less than the first preset threshold, output opens control signal to controllably opening
Module 2 is closed, in order to make single live wire power getting module 1 is powered simultaneously for control module 4 and energy-storage module 3.
Specifically, when the sampled voltage of energy-storage module 3 is not less than the first preset threshold, illustrate 3 voltage value of energy-storage module
Be not it is especially low, charging process control module 4 will not be affected greatly or its caused by influence allow
In range.Control module 4 can control controllable switch module 2 to be connected at this time as a result, allow energy-storage module 3 to charge, to store up
Energy module 3 also can normally play a role in subsequent use process.
On the basis of the above, as a kind of preferred embodiment, the control of single live wire power getting provided by the present embodiment
In system, control module 4 is also used to after output turns off control signal to controllable switch module 2: being stablized in control module 4
After the preset duration that works, output opens control signal to controllable switch module 2, in order to make single live wire power getting module is simultaneously control
Molding block 4 and energy-storage module 3 are powered.
Specifically, when initially because determine energy-storage module 3 voltage value it is lower due to cut off energy-storage module 3 charge circuit it
Afterwards, control module 4 can start in completion and steady operation controls controllable switch module 2 again and is connected after for a period of time, that is, enable and storing up
Energy module 3 charges after the starting of control module 4.The normal starting that so both will not influence control module 4, will not enable
Energy-storage module 3 loses the effect of compensation power supply in subsequent use process.
As for described preset duration, the related ginseng of those skilled in the art's control module 4 according to used in reality
It counts and determines, the application is not limited thereto.
Referring to FIG. 2, Fig. 2 is single live wire power getting control system provided herein in another specific embodiment
Structural schematic diagram.
On the basis of the above, as a kind of preferred embodiment, as shown in Fig. 2, single fire provided by the present embodiment
Line takes in electric control system, and controllable switch module 2 includes biasing resistor Rg and PMOS tube P；The first end of biasing resistor Rg with
The source electrode of PMOS tube P connects, and the first end as controllable switch module 2；The second end of biasing resistor Rg and the grid of PMOS tube P
Pole connection, and the control terminal as controllable switch module 2；Second end of the drain electrode of PMOS tube P as controllable switch module 2.
Specifically, controllable switch module 2 shown in Fig. 2 is specifically to be realized based on PMOS tube P.Controllable switch module 2
On off operating mode is dependent on the on off operating mode of PMOS tube P.Certainly, those skilled in the art can also be opened using other controlled electrons
It closes devices such as (such as triodes, NMOS tube) and realizes controllable switch module 2 to design, the application is not limited thereto.
Typically also, in practical applications, fuse F can be also accessed in single live wire power getting control system, it is specific as schemed
Shown in 2, to prevent electric current in circuit excessive, safeguard protection is carried out to system.
On the basis of single live wire power getting control system shown in Fig. 2, for the controllable switch module 2 based on PMOS tube P, close
It is disconnected to control signal concretely high-impedance state signal or overall height level signal.
In single live wire power getting control system provided by the present embodiment, on the basis of the above, as a kind of preferred
Embodiment, control module 4 are specifically used for: when sampled voltage is not less than the first preset threshold, judging whether sampled voltage is lower than
Second preset threshold；If so, output first opens control signal to controllable switch module 2；If it is not, then control is opened in output second
Signal processed is to controllable switch module 2；Wherein, the second preset threshold is higher than the first preset threshold；Second opens opening for control signal
Logical control frequency be higher than first open control signal open control frequency.
Specifically, in the present embodiment, size judgement is being carried out using voltage value of first preset threshold to energy-storage module 3
On the basis of, may be incorporated into the second preset threshold higher than the first preset threshold to the voltage value of energy-storage module 3 further into
Row analysis.If sampled voltage is lower than the second preset threshold not less than the first preset threshold, control letter is opened using first
Number control controllable switch module 2 carry out lower frequency switch motion, so that the charge power of energy-storage module 2 is limited in one
Smaller value；And if sampled voltage is not less than the first preset threshold and the second preset threshold simultaneously, illustrate the voltage of energy-storage module 3 compared with
Height, charging process hardly impact control module 4, then open control signal control controllable switch using second
The switch motion of the progress upper frequency of module 2.
On the basis of single live wire power getting control system shown in Fig. 2, as a kind of preferred embodiment, for being based on PMOS tube
The controllable switch module 2 of P, first open control signal can be specially pwm signal；Second opens control signal can be specially complete low
Level signal.
On the basis of the above, as a kind of preferred embodiment, as shown in Fig. 2, single fire provided by the present embodiment
Line takes in electric control system, and energy-storage module 3 includes first capacitor C1And first capacitor C1First resistor R in parallelc1And first
Capacitor C1Concatenated second capacitor C2And the second capacitor C2Second resistance R in parallelc2；First capacitor C1With the second capacitor C2Public affairs
End is connect with the AD of control module 4 sampling input terminal altogether.
Specifically, energy-storage module 3 shown in Fig. 2 is specifically and is realized based on two capacitors.Wherein it is preferred to first
Capacitor C1With the second capacitor C2It is farad capacitor.In addition, the sampled output of energy-storage module 3 is recommended but is not limited to two electricity
The common end of appearance.
Certainly, those skilled in the art can designed, designed and the storage using other circuit structures according to practical situations
Energy module 3, the application is not limited thereto.
Referring to Fig. 3, Fig. 3 is that the structure of single live wire power getting module provided herein in a specific embodiment is shown
It is intended to.
On the basis of the above, as a kind of preferred embodiment, as shown in figure 3, single fire provided by the present embodiment
In line electricity getting system, single live wire power getting module 1 specifically may include the electronic switch unit 11 being sequentially connected in series, rectification unit 12 and steady
Press unit 13.
Wherein it is preferred to which electronic switch unit 11 has in the structural schematic diagram of single live wire power getting module shown in Fig. 3
Body is by silicon-controlled T, voltage-stabiliser tube D1And D2It realizes；Voltage regulation unit 13 is specifically by voltage stabilizing chip, electric capacity of voltage regulation C and diode D3It realizes；
And rectification unit can then be particularly preferred as rectifier circuit.
Single live wire power getting control method provided herein is introduced below.
Referring to Fig. 4, Fig. 4 is the stream of single live wire power getting control method provided herein in a specific embodiment
Cheng Tu is mainly comprised the steps that applied to the control module in any single live wire power getting control system as described above
S11: the sampled voltage of the voltage value of energy-storage module 3 is obtained.
S12: judge whether sampled voltage is lower than the first preset threshold；If so, into S13.
S13: output shutdown control signal to controllable switch module 2, in order to make single live wire power getting module 1 is only control module
4 power supplies.
As it can be seen that single live wire power getting control method provided herein, is sampled by the voltage value to energy-storage module 3
And analysis, and stopped when voltage value is lower using the connection of controllable switch module 2 cutting energy-storage module 3 and system main circuit
To the charging process of energy-storage module 3, control module 4 has been effectively ensured normally obtain electric work, solves control module 4 because of storage
Can 3 charging time of module is long and the problem of delay start, greatly improve product economy benefit and user experience.
As a kind of preferred embodiment, on the basis of the above, the control of single live wire power getting provided by the present embodiment
In method, determining sampled voltage not less than after the first preset threshold, further includes:
Output opens control signal to controllable switch module 2, in order to make single live wire power getting module 1 is control module 4 simultaneously
It powers with energy-storage module 3.
Please control reference Fig. 5, Fig. 5 is single live wire power getting control method provided herein in another specific embodiment
In flow chart.
As a kind of preferred embodiment, as shown in figure 5, on the basis of the above, single fire provided by the present embodiment
Line takes in electric control method, after output turns off control signal to controllable switch module 2, further includes:
S24: after 4 steady operation preset duration of control module, output opens control signal to controllable switch module 2, with
Just it enables single live wire power getting module 1 while powering for control module 4 and energy-storage module 3.
As a kind of preferred embodiment, on the basis of the above, controllable switch module 2 include biasing resistor Rg and
PMOS tube P；The first end of biasing resistor Rg is connect with the source electrode of PMOS tube P, and the first end as controllable switch module 2；Partially
The second end for setting resistance Rg is connect with the grid of PMOS tube P, and the control terminal as controllable switch module 2；The drain electrode of PMOS tube P
Second end as controllable switch module 2.
As a kind of preferred embodiment, shutdown control signal is high-impedance state signal or overall height level signal.
As a kind of preferred embodiment, as shown in figure 5, on the basis of the above, single fire provided by the present embodiment
Line takes in electric control method, is determining sampled voltage not less than after the first preset threshold, further includes:
S25: judge whether sampled voltage is lower than the second preset threshold；If so, into S26；If it is not, then entering S27.
S26: output first opens control signal to controllable switch module 2, in order to make single live wire power getting module 1 is simultaneously control
Molding block 4 and energy-storage module 3 are powered.
S27: output second opens control signal to controllable switch module 2, in order to make single live wire power getting module 1 is simultaneously control
Molding block 4 and energy-storage module 3 are powered.
Wherein, the second preset threshold is higher than the first preset threshold；The second control frequency of opening for opening control signal is higher than
First, which opens control signal, opens control frequency.
As a kind of preferred embodiment, first opens control signal as pwm signal；Second opens control signal as complete low electricity
Ordinary mail number.
As a kind of preferred embodiment, energy-storage module 3 includes first capacitor C1And first capacitor C1First resistor in parallel
Rc1And first capacitor C1Concatenated second capacitor C2And the second capacitor C2Second resistance R in parallelc2；First capacitor C1With second
Capacitor C2The AD sampling input terminal of common end and control module 4 connect.
As a kind of preferred embodiment, single live wire power getting module 1 includes the electronic switch unit 11 being sequentially connected in series, rectification list
Member 13 and voltage regulation unit 13.
The specific embodiment of single live wire power getting control method provided herein takes with single firewire as described above
Electric control system can correspond to each other reference, just repeat no more here.
Each embodiment is described in a progressive manner in the application, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For method disclosed in embodiment
Speech, since it is corresponding with system disclosed in embodiment, so being described relatively simple, related place is referring to method part illustration
?.
It should be noted that in present specification, the relational terms of such as " first " and " second " etc are used merely to
One entity or operation and another entity or operate is distinguished, without necessarily requiring or implying these entities or
There are any actual relationship or orders between person's operation.In addition, the terms "include", "comprise" or its any other
Variant is intended to non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only
It including those elements, but also including other elements that are not explicitly listed, or further include for this process, method, object
Product or the intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...",
It is not precluded in the process, method, article or apparatus that includes the element that there is also other identical elements.
Technical solution provided herein is described in detail above.Specific case used herein is to this Shen
Principle and embodiment please is expounded, the present processes that the above embodiments are only used to help understand and its
Core concept.It should be pointed out that for those skilled in the art, in the premise for not departing from the application principle
Under, can also to the application, some improvement and modification can also be carried out, these improvement and modification are also fallen into the protection scope of the application.
Claims (10)
1. a kind of single live wire power getting control system, which is characterized in that including single live wire power getting module, controllable switch module, energy storage
Module and control module for controlling electrical equipment；
The input terminal of the single live wire power getting module is connect with firewire, for commercial power rectification to be exported direct current, the list firewire
The output end of electricity-fetching module is connect with the feeder ear of the first end of the controllable switch module, the control module respectively；It is described
The second end of controllable switch module is connect with the energy-storage module；
The output end of the control module is connect with the control terminal of the controllable switch module, and the AD sampling of the control module is defeated
Enter end to connect with the energy-storage module, for obtaining the voltage value of the energy-storage module, and it is default lower than first in sampled voltage
When threshold value, output shutdown control signal is to the controllable switch module, in order to make the single live wire power getting module is only the control
Module for power supply processed.
2. single live wire power getting control system according to claim 1, which is characterized in that the control module is also used to:
When the sampled voltage is not less than first preset threshold, output opens control signal to the controllable switch mould
Block, in order to make the single live wire power getting module is the control module and energy-storage module power supply simultaneously.
3. single live wire power getting control system according to claim 2, which is characterized in that the control module is in the output
After shutdown control signal to the controllable switch module, it is also used to:
After the control module steady operation preset duration, output opens control signal to the controllable switch module, with
Just it enables the single live wire power getting module while being the control module and energy-storage module power supply.
4. single live wire power getting control system according to claim 3, which is characterized in that the controllable switch module includes inclined
Set resistance and PMOS tube；
The first end of the biasing resistor is connect with the source electrode of the PMOS tube, and first as the controllable switch module
End；The second end of the biasing resistor is connect with the grid of the PMOS tube, and the control terminal as the controllable switch module；
Second end of the drain electrode of the PMOS tube as the controllable switch module.
5. single live wire power getting control system according to claim 4, which is characterized in that the shutdown control signal is high resistant
State signal or overall height level signal.
6. single live wire power getting control system according to claim 4, which is characterized in that the control module is specifically used for:
When the sampled voltage is not less than first preset threshold, judge whether the sampled voltage is lower than the second default threshold
Value；If so, output first opens control signal to the controllable switch module；If it is not, then control signal is opened in output second
To the controllable switch module；
Wherein, second preset threshold is higher than first preset threshold；Described second, which opens control signal, opens control
Frequency, which is higher than described first, to be opened control signal and opens control frequency.
7. single live wire power getting control system according to claim 6, which is characterized in that described first, which opens control signal, is
Pwm signal；Described second opens control signal as full low level signal.
8. single live wire power getting control system according to claim 7, which is characterized in that the energy-storage module includes the first electricity
Appearance, the first resistor in parallel with the first capacitor and concatenated second capacitor of the first capacitor and second capacitor are simultaneously
The second resistance of connection；The AD sampling input terminal of the common end and the control module of the first capacitor and second capacitor connects
It connects.
9. single live wire power getting control system according to any one of claims 1 to 8, which is characterized in that the list firewire takes
Electric module includes the electronic switch unit, rectification unit and voltage regulation unit being sequentially connected in series.
10. a kind of single live wire power getting control method, which is characterized in that be applied to single fire as described in any one of claim 1 to 9
Line takes the control module in electric control system, comprising:
Obtain the sampled voltage of the voltage value of the energy-storage module；
Judge whether the sampled voltage is lower than first preset threshold；
If so, output shutdown controls signal to the controllable switch module, in order to make the single live wire power getting module is only institute
State control module power supply.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811640955.8A CN109494998A (en) | 2018-12-29 | 2018-12-29 | A kind of single live wire power getting control system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811640955.8A CN109494998A (en) | 2018-12-29 | 2018-12-29 | A kind of single live wire power getting control system and method |
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| CN109494998A true CN109494998A (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811640955.8A Pending CN109494998A (en) | 2018-12-29 | 2018-12-29 | A kind of single live wire power getting control system and method |
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