CN105610318B - A kind of control circuit - Google Patents
A kind of control circuit Download PDFInfo
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- CN105610318B CN105610318B CN201610069774.9A CN201610069774A CN105610318B CN 105610318 B CN105610318 B CN 105610318B CN 201610069774 A CN201610069774 A CN 201610069774A CN 105610318 B CN105610318 B CN 105610318B
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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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
-
- 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
- H02M1/0048—Circuits or arrangements for reducing losses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
This application involves circuit design fields, disclose a kind of control circuit, to realize the low-power consumption of linear power supply.The control circuit controls the suspend mode and wake-up of linear time power source, when linear power supply in a dormant state when, linear power supply and for its provide the access between the circuit of electric power disconnect, when linear power supply is in wake-up states, linear power supply and the access between the circuit of electric power is provided for it just connect, avoid that linear power supply is always on and bring high power consumption problem in this way, namely reduce the power consumption of linear power supply, meet the requirement of low-power consumption in circuit, and the control circuit design method of the embodiment of the present application design is simple, it is easy to control, cost is relatively low, it is easily achieved.
Description
Technical field
This application involves technical field of circuit design, in particular to a kind of control circuit.
Background technique
The inherent characteristic that linear power supply has power consumption big is unable to satisfy the requirement of low-power consumption in application process, reduces energy
Source utilization rate.
For example, intelligent photovoltaic (English: Photovoltaic, abbreviation: PV) component technology is real by installation detection device
Now the information such as voltage, the temperature of each PV component are detected, to realize that more accurate failure reports, make photovoltaic power generation system
It unites more intelligent, safer.For save the cost, detecting device is usually directly using the generating positive and negative voltage of PV component as input electricity
Source receives electric power by linear circuit.Detecting device may include two parts: linear power supply and successive load, therefore, detector
The power consumption of the linear power supply of the power consumption of part and power consumption two parts composition of successive load.In order to improve PV assembly power supply efficiency, need
Minimize the power consumption of detection device.Currently existing scheme is to reduce detection by reducing the power consumption of successive load to realize mostly
The power consumption of device, but linear power supply itself also power consumption with higher, and linear power supply is constantly in after accessing circuit
On-state greatly reduces the power supply efficiency of PV component in this way.
To sum up, the power consumption of linear power supply how is reduced to be a problem to be solved to meet the requirement of low-power consumption in circuit.
Summary of the invention
The embodiment of the present application provides a kind of control circuit, meets low-power consumption in circuit to reduce the power consumption of linear power supply
Requirement.
Specific technical solution provided by the embodiments of the present application is as follows:
In a first aspect, providing a kind of control circuit, the control circuit is used to control the suspend mode and wake-up of linear power supply, makes
Proper linear power supply in a dormant state when, linear power supply and for its provide the access between the circuit of electric power disconnect, when linear
When power supply is in wake-up states, linear power supply and the access between the circuit of electric power is provided for it just connect.
In this way, avoiding, linear power supply is always on and bring high power consumption problem, that is, reduces linear power supply
Power consumption meets the requirement of low-power consumption in circuit.
With reference to first aspect, in the first possible implementation of the first aspect, the control circuit is for connecting
Linear power supply and the power supply circuit of electric power is provided for the linear power supply；
The control circuit includes major loop control switch, signal processing unit, timing control circuit, controller, described
Major loop control switch is placed on the major loop that the linear power supply is connect with the power supply circuit, the timing control circuit,
The controller, the major loop control switch are connect with the signal processing unit, and the controller is also connected with the line
Property power supply；Wherein:
The controller and the timing control circuit are used to convey signal to the signal processing unit；
The signal processing unit, for being conveyed extremely according to the timing control circuit and the controller that receive
Few signal all the way, the first control letter being closed to major loop control switch conveying for controlling the major loop control switch
Number or the second control signal that is disconnected for controlling the major loop control switch；
The major loop control switch, for being closed when the signal processing unit conveys the first control signal,
To realize that the power supply circuit provides electric power to the linear power supply；Alternatively, described in being used to convey in the signal processing unit
It is disconnected when second control signal, to realize that the cutting power supply circuit provides electric power to the linear power supply.The embodiment of the present application
The control circuit design method of design is simple, and easy to control, cost is relatively low, it is easy to accomplish.
With reference to first aspect or the first possible implementation of first aspect, second in first aspect are possible
In implementation, the timing control circuit is also connected with the power supply circuit, the controller；
The timing control circuit is specifically used for:
The start recording timing when accessing the power supply circuit, alternatively, starting to remember under the control of the controller
Record timing；
When the timing of record reaches the time threshold of setting, according to the electric power that the power supply circuit provides, to institute
It states signal processing unit and conveys the first signal, first signal is for notifying the signal processing unit to control the major loop
Control switch closure；
The signal processing unit is specifically used for: when receiving first signal, to the major loop control switch
Convey the first control signal.
With reference to first aspect, the first or second of possible implementation of first aspect, in the third of first aspect
In the possible implementation of kind, when the timing of record reaches the time threshold of setting, at the major loop control switch
In off-state.
With reference to first aspect with first aspect the first any one of to the third possible implementation, first
In 4th kind of possible implementation of aspect,
The controller is specifically used for:
When receiving the electric power that the linear power supply provides, second signal is conveyed to the signal processing unit, it is described
Second signal is for notifying the signal processing unit to maintain the major loop control switch closure；
The signal processing unit is specifically used for:
When receiving the second signal, the first control signal is conveyed to the major loop control switch.
With reference to first aspect with first aspect the first any one of to the 4th kind of possible implementation, first
In 5th kind of possible implementation of aspect, the controller is also used to:
After conveying second signal to the signal processing unit, third signal, institute are conveyed to the timing control circuit
Third signal is stated for notifying the timing control circuit to empty recorded timing and defeated to the signal processing unit
Send fourth signal；And
When determining that needing to cut off the power supply circuit provides electric power to the linear power supply, to the signal processing unit
Convey the 5th signal；
The fourth signal and the 5th signal are provided commonly for that the signal processing unit is notified to control the major loop
Control switch disconnects；
The signal processing unit is specifically used for:
When receiving the fourth signal and five signal, to major loop control switch conveying described second
Control signal.
With reference to first aspect with first aspect the first any one of to the 5th kind of possible implementation, first
In 6th kind of possible implementation of aspect,
Before conveying the 5th signal to the signal processing unit, the 6th signal is conveyed to the timing control circuit,
6th signal is for notifying the timing control circuit start recording timing.
With reference to first aspect with first aspect the first any one of to the 6th kind of possible implementation, first
In 7th kind of possible implementation of aspect,
The signal processing unit is specifically used for:
When receiving at least one of first signal and described second signal, to the major loop control switch
Convey the first control signal for controlling the major loop control switch closure；And
When receiving the fourth signal and five signal, convey to the major loop control switch for controlling
The second control signal that the major loop control switch disconnects.
The 5th kind with reference to first aspect or the 6th kind of possible implementation, in the 8th kind of possible reality of first aspect
In existing mode,
The timing control circuit includes capacitor discharge switch, first capacitor device and the first fixed value resistance；The capacitor
Device discharge switch is connected in parallel with the first capacitor device, it is described be connected in parallel after a tie point and the controller connect
It connects, another tie point is connect with first fixed value resistance one end, and the other end of first fixed value resistance connects the confession
Circuit；
The capacitor discharge switch is used for, the closure when receiving the third signal of the controller conveying,
Disconnection when receiving six signal of the controller conveying；
The first capacitor device is used for, and in capacitor discharge switch closure, passes through the capacitor discharge switch
It discharges；And when the capacitor discharge switch disconnects, the power supply circuit is received by first fixed value resistance
The electric power of offer charges；
The first capacitor device and first fixed value resistance are provided commonly for controlling used in the first capacitor device charging
Time.
The 5th kind of possible implementation with reference to first aspect, in the 9th kind of possible implementation of first aspect
In,
When the timing control circuit accesses the power supply circuit, the power supply is received by first fixed value resistance
The electric power that circuit provides charges.
The 5th kind with reference to first aspect or the 6th kind of possible implementation, in the tenth kind of possible reality of first aspect
In existing mode, the timing control circuit includes timing controlled chip, the second fixed value resistance and third fixed value resistance；The timing
It is provided with the second capacitor in control chip, the timing controlled chip is separately connected the controller, the letter by pin
Number processing unit, one end of second fixed value resistance, the third fixed value resistance one end, second fixed value resistance it is another
One end is connected with the other end of the third fixed value resistance；
The timing controlled chip is used for, based on the received the third signal control of controller conveying described the
The electric discharge of two capacitors, alternatively, the 6th signal of the controller conveying controls second capacitor based on the received
Charging；
Second fixed value resistance and the third fixed value resistance are provided commonly for controlling used in the second capacitor charging
Time.
The tenth kind of possible implementation with reference to first aspect, in a kind of the tenth possible implementation of first aspect
In, the timing controlled chip is also used to, when the timing control circuit accesses the power supply circuit, according to the power supply electricity
The electric power that road provides is that second capacitor charges.
In the above, the time used in the charging is the time threshold.
Second aspect provides a kind of power supply system, provided including linear power supply, for linear power supply electric power power supply circuit and
Control circuit as described in any in the first of first aspect and first aspect to the tenth kind.
The third aspect provides a kind of computer storage medium, for being stored as the institute of power supply circuit described in above-mentioned aspect
Computer software instructions, it includes for executing program designed by above-mentioned aspect.
Control circuit provided by the present application, can be avoided that linear power supply is always on and bring high power consumption problem, also
It is reduction of the power consumption of linear power supply, meets the requirement of low-power consumption in circuit, and the control circuit of the embodiment of the present application design
Design method is simple, easy to control, and cost is relatively low, it is easy to accomplish.
Detailed description of the invention
Fig. 1 is the system architecture schematic diagram of control circuit application in the embodiment of the present application；
Fig. 2 is the structural schematic diagram of control circuit in the embodiment of the present application；
Fig. 3 is signal type correspondence diagram in the embodiment of the present application；
Fig. 4 a is the first design structure diagram of timing control circuit in the embodiment of the present application；
Fig. 4 b is second of design structure diagram of timing control circuit in the embodiment of the present application；
Fig. 5 is the specific work process flow chart of each device in control circuit in the embodiment of the present application.
Specific embodiment
In order to keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with attached drawing to the application make into
It is described in detail to one step, it is clear that described embodiments are only a part of embodiments of the present application, rather than whole implementation
Example.Based on the embodiment in the application, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall in the protection scope of this application.
Linear power supply is unable to satisfy low function in circuit due to the high power consumption of itself during being applied to circuit
The problem of consumption requires, the embodiment of the present application devises a kind of control circuit, for controlling the suspend mode and wake-up of linear time power source,
When linear power supply in a dormant state when, linear power supply and provide the access between the circuit of electric power for it and disconnect, when linear electricity
When source is in wake-up states, linear power supply and the access between the circuit of electric power is provided for it just connects, avoid line in this way
Property power supply is always on and bring high power consumption problem, that is, reduces the power consumption of linear power supply, meets low-power consumption in circuit
Requirement, and the embodiment of the present application design control circuit design method it is simple, easy to control, cost is relatively low, it is easy to accomplish.
The control circuit of the embodiment of the present application design is suitable for requiring low-power consumption relatively high scene, can be applied to intelligence
Fields, the application such as PV assemblies monitor, the monitoring of backup power supply battery pack string are only carried out for being applied to intelligence PV assemblies monitor
It introduces.
The applied field of the information such as voltage, the temperature of detection units test PV component is utilized in intelligent PV component technology application
Scape, it is relatively high to hardware cost and power consumption requirements since PV component count is huge.
It elaborates below with reference to attached drawing to the application preferred embodiment.
As shown in fig.1, the system architecture that control circuit is applied in the embodiment of the present application includes power supply circuit 101, control
Circuit 102, linear power supply 103 and successive load 104.
Wherein, power supply circuit 101 is used to provide electric power for linear power supply 103；Control circuit 102 controls linear power supply 103
Connect or disconnect, that is to say, that control circuit 102 control linear power supply 103 receive or disconnect receive power supply circuit 101
The electric power of offer；Linear power supply 103 is that successive load 104 provides electric power.
For by taking the application scenarios of intelligent PV component as an example, linear power supply 103 is usually the voltage provided by PV component
Difference provides electric power as power supply circuit 101, and detection device includes linear power supply 103, successive load 104 and control circuit 102,
In order to improve the efficiency of PV component, it is expected that the power Transmission that PV component provides is got over to the power receiving equipment to work using PV component
Much better, therefore, the fewer the electric energy of detection device consumption the better, in the embodiment of the present application, is controlled linearly using control circuit 102
Power supply 103 switches on and off, to reduce the electric energy of linear power supply 103 and the consumption of successive load 104, to reduce detection device
The electric energy of consumption improves the efficiency of PV component.
The circuit design of control circuit 102 is described in detail below.
As shown in fig.2, control circuit 102 is for connecting linear power supply and providing the power supply of electric power for the linear power supply
Circuit；
Control circuit 102 include major loop control switch 1021, signal processing unit 1022, timing control circuit 1023,
Controller 1024, major loop control switch 1021 are placed on the major loop that linear power supply 103 is connect with power supply circuit 101, timing
Control circuit 1023, controller 1024, major loop control switch 1021 are connect with signal processing unit 1022；Wherein:
Controller 1024 and timing control circuit 1023 are used to convey signal to signal processing unit 1022.
Signal involved in the embodiment of the present application may include high level (being indicated with 1) and low level in logic level
(being indicated with 0), preferably, logic level is transistor-transistor logic level (English: Transistor Transistor
Logic, referred to as: TTL), wherein high level signal is higher relative to the voltage of low level signal, conveying side's devices use high level
Signal and low level signal transmit different information to recipient.Certain control circuit provided by the embodiments of the present application can also be with
Different information is transmitted using other signal representations.
Signal processing unit 1022, for being conveyed extremely according to the timing control circuit 1023 and controller 1024 that receive
Few signal all the way, the first control letter being closed to the conveying of major loop control switch 1021 for controlling major loop control switch 1021
Number or for control major loop control switch 1021 disconnection second control signal.
Wherein, signal processing unit 1022 can receive the signal that timing control circuit 1023 and controller 1024 convey,
And received signal is handled, determine the signal type for needing to convey to major loop control switch 1021 (assuming that the first control
Signal processed be high level signal, second control signal is low level signal), come control major loop control switch 1021 closure or
Person disconnects.
Assuming that timing control circuit 1023 and controller 1024 can convey high level signal (being indicated with 1) and low level
Signal (is indicated) with 0, when signal processing unit 1022 conveys high level signal to major loop control switch 1021, can control master
Circuit control switch 1021 is closed, and connects linear power supply 103；Signal processing unit 1022 is conveyed to major loop control switch 1021
When low level signal, it can control the disconnection of major loop control switch 1021, disconnect linear power supply 103.Timing control circuit 1023,
The signal that controller 1024, signal processing unit 1022 convey indicates that then signal processing unit 1022 is defeated with S1, S2 and S3 respectively
Signal type and timing control circuit 1023 and controller 1024 convey a kind of example such as Fig. 3 of the corresponding relationship of signal type out
It is shown.
In Fig. 3 as can be seen that when signal processing unit 1022 receives in timing control circuit 1023 and controller 1024
The high level signal at least conveyed all the way when, so that it may determine to major loop control switch 1021 convey high level signal, control
Major loop control switch 1021 processed is closed；When signal processing unit 1022 receives timing control circuit 1023 and controller simultaneously
When the low level signal of 1024 conveyings, so that it may determine to major loop control switch 1021 and convey low level signal, control is led back
Way control switch 1021 disconnect, certainly, when conveyed all the way in timing control circuit 1023 and controller 1024 low level signal and
When another way does not convey signal, signal processing unit 1022, which can also be determined to major loop control switch 1021, conveys low level letter
Number, control major loop control switch 1021 disconnects.
Major loop control switch 1021 is come real for being closed when signal processing unit 1022 conveys first control signal
Existing power supply circuit 101 is that linear power supply 103 provides electric power；Alternatively, in the conveying of signal processing unit 1,022 second control letter
Number when disconnect, come realize cutting power supply circuit 101 be linear power supply 103 electric power is provided.
Preferably, timing control circuit 1023 is also connected with power supply circuit 101, controller 1024, timing control circuit
1023 are specifically used for:
The start recording timing when accessing power supply circuit 101, alternatively, the start recording under the control of controller 1024
Timing；
When the timing of record reaches the time threshold of setting, according to the electric power that power supply circuit 101 provides, to signal
Processing unit 1022 conveys the first signal, and the first signal controls major loop control switch for notification signal processing unit 1022 and closes
It closes.
As shown by example in fig. 3, the first signal here can be high level signal.
In practical application, when the timing that timing control circuit 1023 records reaches the time threshold of setting, due to
Major loop control switch 1021 is to disconnect, and controller 1024 can't receive the electric power of the offer of linear power supply 103.
Preferably, controller 1024 is also connected with linear power supply 103, controller 1024 is specifically used for:
When receiving the electric power of the offer of linear power supply 103, second signal is conveyed to signal processing unit 1022, described the
Binary signal maintains major loop control switch 1021 to be closed for notification signal processing unit 1022.
As shown by example in fig. 3, second signal here can be high level signal.
In practical application, after major loop control switch 1021 is closed, linear power supply 103 can connect power supply circuit
101, so that controller 1024 can receive the electric power of the offer of linear power supply 103, high electricity is conveyed to signal processing unit 1022
Ordinary mail number, and timing control circuit can stop conveying high level signal to signal processing unit at this time.Therefore, controller
1024 are also used to:
After conveying second signal to signal processing unit 1022, third signal is conveyed to timing control circuit 1023, the
Three signals are for notifying timing control circuit 1023 to empty recorded timing and to the conveying of signal processing unit 1,022 the
Four signals；And
During timing control circuit 1023 conveys fourth signal to signal processing unit 1022, determination needs to cut off
When power supply circuit 101 is that linear power supply 103 provides electric power, the 5th signal is conveyed to signal processing unit 1022；
The fourth signal and the 5th signal are provided commonly for notification signal processing unit 1022 and control major loop control
Switch 1021 disconnects.
Wherein, third signal can be high level signal；As shown by example in fig. 3, here fourth signal and the 5th can
To be low level signal, when timing control circuit 1023 and controller 1024 convey low level to signal processing unit 1022
When signal, signal processing unit 1022 can convey low level signal to major loop control switch 1021, and control major loop control is opened
It closes 1021 to disconnect, cuts off linear power supply 103 from opening.Specifically, controller is in data acquisition, data communication etc., other are normal
After work, when needing to enter low-power consumption mode, determine that needing to cut off power supply circuit 101 is that linear power supply 103 provides electric power
In addition, during timing control circuit 1023 conveys fourth signal to signal processing unit 1022, controller
1024 to signal processing unit 1022 convey the 5th signal before, to timing control circuit 1023 convey the 6th signal, the 6th
Signal is for notifying the timing control circuit start recording timing.
As described above, third signal if high level signal, then the 6th signal here is low level signal.
Controller 1024 needs first to control timing before through conveying low level signal control cutting linear power supply 103
The starting timing of control circuit 1023, so that the subsequent timing recorded in timing control circuit 1023 reaches the given threshold
When, trigger sending high level signal to signal processing unit 1022 to connect linear power supply 103 etc. subsequent a series of above-mentioned to cause
Process.
To sum up, under the action of control circuit 102, timing may be implemented and be switched on and off linear power supply 103, realize linear
The low-power consumption of power supply 103.
It describes in detail below to the circuit design of timing control circuit 1023 in the embodiment of the present application.Timing controlled electricity
Road 1023 can be, but not limited to include following two design:
As shown in fig. 4 a, timing control circuit 1023 includes capacitor discharge switch 10231, first capacitor for the first design
Device 10232 and the first fixed value resistance 10233.
As shown in fig. 4 a, capacitor discharge switch 10231 is connected in parallel with first capacitor device 10232, after being connected in parallel
One tie point is connect with controller 1024, another tie point is connect with 10233 one end of the first fixed value resistance, the first definite value electricity
The other end of resistance 10233 connects power supply circuit 101；
Capacitor discharge switch 10231 is used for, the closure when receiving the above-mentioned third signal of the conveying of controller 1024,
Disconnection when receiving above-mentioned six signal of the conveying of controller 1024；
First capacitor device 10232 is used for, and when capacitor discharge switch 10231 is closed, passes through capacitor discharge switch
10231 discharge；And it when capacitor discharge switch 10231 disconnects, is received and is powered by the first fixed value resistance 10233
The electric power that circuit 101 provides charges；.
In fact, timing control circuit 1023 will export low level, also after first capacitor device 10232 is discharged
It is above-mentioned fourth signal.When first capacitor device 10232 starts to charge, i.e., start recording timing, the process of charging record
The process of timing.
First capacitor device 10232 and the first fixed value resistance 10233 are provided commonly for the control charging of first capacitor device 10232 institute
Time, charge time i.e. above-mentioned time threshold used.Specifically, the capacitance of first capacitor device 10232 and first is determined
It is worth the resistance value of resistance 10233, determines the charging time used.
In addition, first capacitor device 10232 is also used to, when timing control circuit 1023 accesses power supply circuit 101, by the
Certain value resistance 10233 receives the electric power that power supply circuit 101 provides and charges.
When timing control circuit 1023 just accesses power supply circuit 101, major loop control switch is to disconnect, linear electricity
Source 103 can not receive power supply circuit 101 offer electric power, but timing control circuit 1023 when accessing power supply circuit 101 just
It can receive the electric power of the offer of power supply circuit 101, so that first capacitor device 10232 accesses power supply electricity in timing control circuit 1023
It can be carried out charging when road 101, i.e. start recording timing.
As shown in Figure 4 b, timing control circuit 1023 includes timing controlled chip 10234, the second definite value electricity for second of design
Resistance 10235 and third fixed value resistance 10236；The second capacitor, timing controlled chip are provided in timing controlled chip 10234
10234 are separately connected controller 1024, signal processing unit 1022, one end of the second fixed value resistance 10235, third by pin
The other end of one end of fixed value resistance 10236, the second fixed value resistance 10235 is connected with the other end of third fixed value resistance 10236；
Timing controlled chip 10234 is used for, and the third signal that controller 1024 conveys based on the received controls the second capacitor
The electric discharge of device, alternatively, the 6th signal that controller 1024 conveys based on the received controls the charging of the second capacitor.
In fact, timing controlled chip 10234 is after controlling the second capacitor discharge, timing control circuit 1023 will be defeated
Low level out, that is, above-mentioned fourth signal.Timing controlled chip 10234 is when controlling the charging of the second capacitor, i.e. timing control
10234 start recording timing of coremaking piece, the process of so-called charging are to record the process of timing.
Second fixed value resistance 10235 and third fixed value resistance 10236 are provided commonly for used in control the second capacitor charging
Time, charge time i.e. above-mentioned time threshold used.
In addition, timing controlled chip 10234 is also used to, when timing control circuit 1023 accesses power supply circuit 101, according to
The electric power that power supply circuit 101 provides is that the second capacitor charges.
When timing control circuit 1023 just accesses power supply circuit 101, major loop control switch is to disconnect, linear electricity
Source 103 can not receive power supply circuit 101 offer electric power, but timing control circuit 1023 when accessing power supply circuit 101 just
The electric power of the offer of power supply circuit 101 is provided, is powered so that timing controlled chip 10234 is accessed in timing control circuit 1023
It can be to charge for the second capacitor when circuit 101, i.e. start recording timing.
Based on the control circuit of above-mentioned offer, the process that above-mentioned control circuit works is done in detail below with reference to specific process
It describes in detail bright.Assuming that control circuit, linear power supply and successive load collectively constitute an application device, this application device is applied to
In power supply circuit, power supply circuit provides electric power for this application device, in order to improve the power supply efficiency of power supply circuit, needs as far as possible
Reduce the power of this application device consumption, the application is consumed by reducing the power consumption of linear power supply to reduce this application device
Power.As shown in fig.5, during realizing the power consumption for reducing linear power supply, the specific work of each device in control circuit
It is as described below to make process.
Step 501: timing control circuit is when the timing of record reaches the time threshold of setting, to signal processing list
Member conveying signal S1.
Assuming that the S1 conveyed is high level signal herein, high level signal S1 goes closure to lead for notification signal processing unit
Circuit control switch.
Specifically, for above-mentioned application device when just accessing power supply circuit, major loop control switch is to disconnect, then line
Property power supply the electric power of power supply circuit offer can not be just provided, but timing control circuit is directly to connect with power supply circuit, because
This timing control circuit can be when above-mentioned application device accesses power supply circuit, so that it may start recording timing.In timing
When time reaches the time threshold of setting, timing control circuit is just needed by conveying high level signal to signal processing unit,
It is finally reached the purpose of closure major loop control switch, that is, connects linear power supply.Specific time threshold is according to actually answering
Scene and empirical value setting, can constantly update optimization in application process.
Step 502: signal processing unit is opened when receiving the signal S1 of timing control circuit conveying to major loop control
Close conveying signal S3.
Assuming that the S3 conveyed is high level signal herein, high level signal S3 is for controlling the major loop being in an off state
Control switch closure.
It should be noted that linear power supply is connected not yet in this step, that is, controller can not receive linear power supply
The electric power of offer, controller is to signal processing unit not output signal.
Step 503: major loop control switch closure when receiving signal S3, to trigger linear power supply connection, power supply
Circuit can power for linear power supply.
Once connecting, controller can work normally linear power supply.
Step 504: controller conveys signal S2 to signal processing unit.
Assuming that signal S2 is high level signal.High level signal S2 is used to control the major loop control in closed state and opens
Pass continues to closed state.
Step 505: controller conveys signal S4 to timing control circuit.
Once connecting, controller can work normally linear power supply.
Assuming that signal S4 is high level signal.High level signal S4 stops working for controlling timing control circuit, also or
Person says that control timing control circuit stops conveying high level signal S1 to signal processing unit, because to timing controlled before control
The high level signal S4 of circuit conveying can maintain the closed state of major loop control switch, guarantee that linear power supply is connected.
Step 506: timing control circuit is when receiving the high level signal S4 of controller conveying, control timing controlled electricity
Capacitor discharge in road can convey low level signal to signal processing unit after electric discharge.
Under normal circumstances, by capacitor discharge make convey level down to can satisfy TTL low level require (such as
When 0.8V), signal processing unit can be thought to receive low level signal.
Step 507: controller conveys signal S4 to timing control circuit, and signal S4 is low level signal at this time.
Controller can determine cutting linear power supply after completing other normal works to realize the low function of linear power supply
Consumption, but before cutting off linear power supply, need to control timing control circuit start recording timing, so that subsequent realization connects
The process of logical linear power supply.
Step 508: controller conveys signal S2 to signal processing unit, and signal S2 is low level signal at this time.
Controller conveys low level signal S2 to signal processing unit, since timing control circuit at this time is at signal
The low level signal S1 of unit transportation is managed, major loop can be disconnected by the low level signal notification signal processing unit of two-way
Control switch.
Step 509: signal processing unit receives low level signal S1 and low level signal S2, defeated to major loop control switch
Low level signal S3 is sent, is disconnected to control major loop control switch.
It is all low level signal that signal processing unit, which receives two paths of signals, therefore can also be conveyed to major loop control switch
Low level signal.
Step 510: major loop control switch disconnects when receiving low level signal S3, realizes the disconnection of linear power supply.
Linear power supply will realize the power consumption for reducing linear power supply after disconnecting the connection with power supply circuit.
After step 510,501 are returned to step.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although the preferred embodiment of the application has been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the application range.
Obviously, those skilled in the art can carry out various modification and variations without departing from this Shen to the embodiment of the present application
Please embodiment spirit and scope.In this way, if these modifications and variations of the embodiment of the present application belong to the claim of this application
And its within the scope of equivalent technologies, then the application is also intended to include these modifications and variations.
Claims (9)
1. a kind of control circuit, which is characterized in that the control circuit is for connecting linear power supply and mentioning for the linear power supply
For the power supply circuit of electric power；
The control circuit includes major loop control switch, signal processing unit, timing control circuit, controller, and the master returns
Way control switch is placed on the major loop that the linear power supply is connect with the power supply circuit, the timing control circuit, described
Controller, the major loop control switch are connect with the signal processing unit, and the controller is also connected with the linear electricity
Source；Wherein:
The controller and the timing control circuit are used to convey signal to the signal processing unit；
The signal processing unit, for according at least the one of the timing control circuit received and controller conveying
Road signal, to major loop control switch conveying for control first control signal that the major loop control switch is closed or
The second control signal disconnected for controlling the major loop control switch；
The major loop control switch is come real for being closed when the signal processing unit conveys the first control signal
The existing power supply circuit provides electric power to the linear power supply；Alternatively, for conveying described second in the signal processing unit
It is disconnected when controlling signal, to realize that the cutting power supply circuit provides electric power to the linear power supply；
The timing control circuit is also connected with the power supply circuit, the controller；
The timing control circuit is specifically used for:
The start recording timing when accessing the power supply circuit, alternatively, start recording is fixed under the control of the controller
When the time；
When the timing of record reaches the time threshold of setting, according to the electric power that the power supply circuit provides, to the letter
Number processing unit conveys the first signal, and first signal is for notifying the signal processing unit to control the major loop control
It closes the switch；
The signal processing unit is specifically used for: when receiving first signal, conveying to the major loop control switch
The first control signal.
2. control circuit as described in claim 1, which is characterized in that
The controller is specifically used for:
When receiving the electric power that the linear power supply provides, second signal is conveyed to the signal processing unit, described second
Signal is for notifying the signal processing unit to maintain the major loop control switch closure；
The signal processing unit is specifically used for:
When receiving the second signal, the first control signal is conveyed to the major loop control switch.
3. control circuit as claimed in claim 2, which is characterized in that the controller also with the timing control circuit phase
Even, the controller is also used to:
After conveying second signal to the signal processing unit, third signal is conveyed to the timing control circuit, described the
Three signals are for notifying the timing control circuit to empty recorded timing and to signal processing unit conveying the
Four signals；And
When determining that needing to cut off the power supply circuit provides electric power to the linear power supply, conveyed to the signal processing unit
5th signal；
The fourth signal and the 5th signal are provided commonly for that the signal processing unit is notified to control the major loop control
Switch disconnects；
The signal processing unit is specifically used for:
When receiving the fourth signal and five signal, to major loop control switch conveying second control
Signal.
4. control circuit as claimed in claim 3, which is characterized in that the controller is also used to:
Before conveying the 5th signal to the signal processing unit, the 6th signal is conveyed to the timing control circuit, it is described
6th signal is for notifying the timing control circuit start recording timing.
5. control circuit as claimed in claim 4, which is characterized in that the timing control circuit includes that capacitor discharge is opened
Pass, first capacitor device and the first fixed value resistance；The capacitor discharge switch is connected in parallel with the first capacitor device, it is described simultaneously
A tie point after connection connection is connect with the controller, another tie point is connect with first fixed value resistance one end,
The other end of first fixed value resistance connects the power supply circuit；
The capacitor discharge switch is used for, and the closure when receiving the third signal of the controller conveying is receiving
To the controller convey six signal when disconnect；
The first capacitor device is used for, and in capacitor discharge switch closure, is carried out by the capacitor discharge switch
Electric discharge；And when the capacitor discharge switch disconnects, the power supply circuit is received by first fixed value resistance and is provided
Electric power charge；
The first capacitor device and first fixed value resistance, when being provided commonly for controlling used in the first capacitor device charging
Between.
6. control circuit as claimed in claim 5, which is characterized in that the first capacitor device is also used to, in the timing control
When circuit processed accesses the power supply circuit, the electric power that the power supply circuit provides is received by first fixed value resistance and is filled
Electricity.
7. control circuit as claimed in claim 4, which is characterized in that the timing control circuit include timing controlled chip,
Second fixed value resistance and third fixed value resistance；The second capacitor, the timing control coremaking are provided in the timing controlled chip
Piece is separately connected the controller, the signal processing unit, one end of second fixed value resistance, the third by pin
One end of fixed value resistance, the other end of second fixed value resistance are connected with the other end of the third fixed value resistance；
The timing controlled chip is used for, based on the received the third signal control of the controller conveying second electricity
The electric discharge of container, alternatively, the 6th signal of the controller conveying controls filling for second capacitor based on the received
Electricity；
Second fixed value resistance and the third fixed value resistance, when being provided commonly for controlling used in the second capacitor charging
Between.
8. control circuit as claimed in claim 7, which is characterized in that the timing controlled chip is also used to, in the timing
When control circuit accesses the power supply circuit, the electric power provided according to the power supply circuit is that second capacitor is filled
Electricity.
9. such as the described in any item control circuits of claim 5-8, which is characterized in that when the time used in the charging is described
Between threshold value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610069774.9A CN105610318B (en) | 2016-02-01 | 2016-02-01 | A kind of control circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610069774.9A CN105610318B (en) | 2016-02-01 | 2016-02-01 | A kind of control circuit |
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| Publication Number | Publication Date |
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| CN105610318A CN105610318A (en) | 2016-05-25 |
| CN105610318B true CN105610318B (en) | 2019-01-18 |
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| CN201610069774.9A Active CN105610318B (en) | 2016-02-01 | 2016-02-01 | A kind of control circuit |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104238421A (en) * | 2014-09-16 | 2014-12-24 | 福建捷联电子有限公司 | Method and circuit for achieving electronic product zero power consumption standby |
| CN204391769U (en) * | 2014-08-26 | 2015-06-10 | 深圳市哈勃智联电子有限公司 | The charging device of Zero-power-consumption standby |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7843088B2 (en) * | 2008-03-07 | 2010-11-30 | Harry Leonard Perper | Energy conserving (stand-by mode) power saving design for battery chargers and power supplies |
| CN103636194A (en) * | 2011-06-27 | 2014-03-12 | 海普·阮亚 | System and method of eliminating wasted energy known as vampire electricity or phantom load loss |
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2016
- 2016-02-01 CN CN201610069774.9A patent/CN105610318B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204391769U (en) * | 2014-08-26 | 2015-06-10 | 深圳市哈勃智联电子有限公司 | The charging device of Zero-power-consumption standby |
| CN104238421A (en) * | 2014-09-16 | 2014-12-24 | 福建捷联电子有限公司 | Method and circuit for achieving electronic product zero power consumption standby |
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| CN105610318A (en) | 2016-05-25 |
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