CN108255224B - Power supply device, the control method of electric power output voltage, control system and unit - Google Patents
Power supply device, the control method of electric power output voltage, control system and unit Download PDFInfo
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- CN108255224B CN108255224B CN201810058583.1A CN201810058583A CN108255224B CN 108255224 B CN108255224 B CN 108255224B CN 201810058583 A CN201810058583 A CN 201810058583A CN 108255224 B CN108255224 B CN 108255224B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
Abstract
The present invention provides a kind of power supply device, the control method of electric power output voltage, control system and equipment units, power supply device therein includes: power supply module, for being adjusted to operating voltage based on load feedback voltage signal to load equipment output services voltage and acquisition load feedback voltage signal corresponding with load equipment；Voltage compensation module generates operating voltage thermal compensation signal according to power supply feedback voltage signal and is sent to power supply module, to compensate to operating voltage for obtaining the power supply feedback voltage signal of power supply module output.Power supply device, control method, control system and equipment unit of the invention, pass through the powering mode of application multi-stage power source module, guarantee the stability of output voltage, the voltage fluctuation of power supply can be lowered, increase the stability of load equipment, increase the service life and quality of product, product quality is improved, the use feeling degree of user is improved.
Description
Technical field
The present invention relates to power technique fields more particularly to a kind of power supply devices, the control method of electric power output voltage, control
System and equipment unit processed.
Background technique
Currently, the powering mode of control system and other components for equipment unit is carried out using single power supply
The mode of power supply, equipment unit can be commercial air conditioner group etc..For example, being supplied using single switch power supply control system
Electricity, when air-conditioner set is installed, is run, will receive ambient enviroment directly affect or other external artificial factors
It influences, the feedback loop of control system is more frequent for the response of a variety of influences, so that the voltage change of control system output
Than stronger, and then outputting and inputting for power supply is influenced, reduces the effect of Switching Power Supply and increase supply voltage
Fluctuation, the unstability for causing control system to run, influences the service life of control system.
Summary of the invention
In view of this, the invention solves a technical problem be to provide a kind of power supply device, electric power output voltage
Control method, control system and equipment unit can make power supply module be based on load feedback voltage signal to work electricity
Pressure is adjusted, and voltage compensation module provides voltage compensation according to power supply feedback voltage signal.
According to an aspect of the present invention, a kind of power supply device is provided, comprising: power supply module, for being set to load
Standby output services voltage simultaneously obtains load feedback voltage signal corresponding with the load equipment, based on the load feedback electricity
Pressure signal is adjusted the operating voltage；Voltage compensation module, for obtaining the power supply of the power supply module output
Feedback voltage signal generates operating voltage thermal compensation signal according to the power supply feedback voltage signal and is sent to the power supply
Module, to be compensated to the operating voltage.
Optionally, the voltage compensation module includes one or more levels compensation power module.
Optionally, the voltage compensation module includes Multilevel compensating power module；First compensation power module, is located at multistage
The first order for compensating power module, it is raw according to the power supply feedback voltage signal for obtaining the power supply feedback voltage signal
At the operating voltage thermal compensation signal and it is sent to the power supply module；Second compensation power module, is located at Multilevel compensating
Remaining of power module is at different levels, the Compensation Feedback voltage signal sent for obtaining upper level compensation power module, according to described
Compensation Feedback voltage signal generates power supply compensation voltage signal and is sent to the upper level compensation power module.
Optionally, the operating voltage thermal compensation signal is input offset voltage signal and exports in compensation voltage signal extremely
Few one kind；Wherein, the input offset voltage signal loading that the first compensation power module generates is in the power supply module
Voltage input line road, it is described first compensation power module generate output compensation voltage signal load in the operating voltage
Outlet line on；The power supply compensation voltage signal is output compensation voltage signal, wherein the second compensation power module
The output compensation voltage signal load of generation is on the voltage output line road of upper level compensation power module.
Optionally, the power supply module includes: transformer and control unit；The transformer exports the work electricity
Pressure, the transformer includes: feedback winding；Described control unit, for connect with the feedback winding, receive it is described feed back around
The load feedback voltage signal of group input；The load feedback voltage signal is compared with the first reference voltage signal
Compared with determining whether the operating voltage changes and adjust to the changed operating voltage according to comparison result
It is whole.
Optionally, the power supply module includes: filter circuit of pressure-stabilizing unit；The filter circuit of pressure-stabilizing unit is used for
Pressure stabilizing, filtering processing are carried out to input voltage.
Optionally, the first compensation power module includes: voltage comparator unit, the first offset voltage output unit；
The voltage comparator unit, for receiving the power supply feedback voltage signal, by the power supply feedback voltage signal with
Second reference voltage signal is compared, and generates comparator output signal；The first offset voltage output unit, for being based on
The comparator output signal generates the operating voltage thermal compensation signal and is sent to the power supply module.
Optionally, the first offset voltage output unit include: offset voltage unit, it is ON-OFF control circuit unit, anti-
Phase device unit；The inverter module, for receiving the comparator output signal and exporting inverter output signal；It is described to open
Control circuit unit is closed, controls the offset voltage for device output signal based on the comparison and the inverter output signal
Unit exports the operating voltage thermal compensation signal to the power supply module.
Optionally, the voltage comparator unit is connect with the feedback winding, receives the institute of the feedback winding input
State load feedback voltage signal, wherein the load feedback voltage signal is the power supply feedback voltage signal.
Optionally, the second compensation power module includes: the second offset voltage output unit, energy-storage units, compensation control
Circuit unit processed；The compensation control circuit unit controls the storage for the Compensation Feedback voltage signal based on the received
Energy unit provides the power supply compensation voltage signal and is sent to the upper level compensation power module；The benefit is not being received
In the state of repaying feedback voltage signal, controls the second offset voltage output unit and charge to the energy-storage units.
Optionally, the compensation control circuit unit is connect with the first offset voltage output unit, receives the work
Make voltage compensation signal, wherein the operating voltage thermal compensation signal is the Compensation Feedback voltage signal.
According to another aspect of the present invention, a kind of control method of electric power output voltage is provided, comprising: power supply module
To load equipment output services voltage and load feedback voltage signal corresponding with the load equipment is obtained, based on described negative
Feedback voltage signal is carried to be adjusted the operating voltage；Voltage compensation module obtains the confession of the power supply module output
Electric feedback voltage signal generates operating voltage thermal compensation signal according to the power supply feedback voltage signal and is sent to the power supply electricity
Source module, to be compensated to the operating voltage.
Optionally, the voltage compensation module includes one or more levels compensation power module.
Optionally, the voltage compensation module includes Multilevel compensating power module；First compensation power module is located at multistage
The first order for compensating power module, obtains the power supply feedback voltage signal, generates institute according to the power supply feedback voltage signal
It states operating voltage thermal compensation signal and is sent to the power supply module；Second compensation power module is located at Multilevel compensating power supply mould
Remaining of block is at different levels, the Compensation Feedback voltage signal that upper level compensation power module is sent is obtained, according to the Compensation Feedback electricity
Pressure signal generates power supply compensation voltage signal and is sent to the upper level compensation power module.
Optionally, the operating voltage thermal compensation signal is input offset voltage signal and exports in compensation voltage signal extremely
Few one kind, the power supply compensation voltage signal are output compensation voltage signal；The first compensation power module generates input and mends
It repays voltage signal and load is on the voltage input line road of the power supply module and/or described first compensates power module
The output compensation voltage signal of generation loads on the outlet line of the operating voltage；The second compensation power supply generates output
Compensation voltage signal simultaneously loads on the voltage output line road of upper level compensation power module.
Optionally, the power supply module includes: transformer and control unit；The transformer exports the work electricity
Pressure, the transformer includes: feedback winding；Described control unit receives the load feedback voltage of the feedback winding input
Signal；The load feedback voltage signal is compared by described control unit with the first reference voltage signal, is tied according to comparing
Fruit determines whether the operating voltage changes and be adjusted to the changed operating voltage.
Optionally, the power supply module includes: filter circuit of pressure-stabilizing unit；Pass through the filter circuit of pressure-stabilizing unit
Pressure stabilizing, filtering processing are carried out to input voltage.
Optionally, the first compensation power module includes: voltage comparator unit, the first offset voltage output unit；
The voltage comparator unit receives the power supply feedback voltage signal, by the power supply feedback voltage signal and the second base
Quasi- voltage signal is compared, and generates comparator output signal；First offset voltage output unit device based on the comparison
Output signal generates the operating voltage thermal compensation signal and is sent to the power supply module.
Optionally, the first offset voltage output unit include: offset voltage unit, it is ON-OFF control circuit unit, anti-
Phase device unit；The inverter module receives the comparator output signal and exports inverter output signal；The switch control
Device output signal and the inverter output signal control the offset voltage unit to institute to circuit unit processed based on the comparison
It states power supply module and exports the operating voltage thermal compensation signal；Wherein, the voltage comparator unit and the feedback winding
Connection receives the load feedback voltage signal of the feedback winding input, wherein make the load feedback voltage signal
For the power supply feedback voltage signal.
Optionally, the second compensation power module includes: the second offset voltage output unit, energy-storage units, compensation control
Circuit unit processed；The Compensation Feedback voltage signal controls the energy-storage units to the compensation control circuit unit based on the received
The power supply compensation voltage signal is provided and is sent to the upper level compensation power module；The compensation control circuit unit exists
In the state of not receiving the Compensation Feedback voltage signal, the second offset voltage output unit is controlled to the energy storage list
Member charges.Wherein, the compensation control circuit unit is connect with the first offset voltage output unit, receives the work
Make voltage compensation signal, wherein using the operating voltage thermal compensation signal as the Compensation Feedback voltage signal.
According to another aspect of the invention, a kind of control system of equipment unit is provided, comprising: power supply dress as described above
It sets.
In accordance with a further aspect of the present invention, a kind of equipment unit is provided, comprising: the control system of equipment unit as described above
System.
Control method, control system and the equipment unit of power supply device, electric power output voltage of the invention, power supply
Module is adjusted operating voltage to load equipment output services voltage and based on load feedback voltage signal, voltage compensation mould
The power supply feedback voltage signal that root tuber is exported according to power supply module generates operating voltage thermal compensation signal and is sent to power supply
Module carries out voltage compensation；By the powering mode of application multi-stage power source module, offset voltage can be provided, guarantees output voltage
Stability, can lower power supply voltage fluctuation, increase load equipment stability, increase product service life and
Quality improves product quality, improves the use feeling degree of user.
Detailed description of the invention
In order to illustrate more clearly of the embodiment of the present disclosure or technical solution in the prior art, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the present disclosure, for those of ordinary skill in the art, without any creative labor, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the module schematic block diagram according to one embodiment of the power supply device of the disclosure；
Fig. 2 is the module schematic block diagram according to another embodiment of the power supply device of the disclosure；
Fig. 3 is the module schematic block diagram according to the power supply module in one embodiment of the power supply device of the disclosure；
Fig. 4 is the circuit diagram according to the power supply module in another embodiment of the power supply device of the disclosure；
Fig. 5 is the module schematic block according to the first compensation power module in one embodiment of the power supply device of the disclosure
Figure；
Fig. 6 is to be illustrated according to the circuit of the first compensation power module in another embodiment of the power supply device of the disclosure
Figure；
Fig. 7 is the module schematic block according to the second compensation power module in one embodiment of the power supply device of the disclosure
Figure；
Fig. 8 is to be illustrated according to the circuit of the second compensation power module in another embodiment of the power supply device of the disclosure
Figure；
Fig. 9 is the flow diagram according to one embodiment of the control method of the electric power output voltage of the disclosure.
Specific embodiment
The disclosure is described more fully with reference to the accompanying drawings, wherein illustrating the exemplary embodiment of the disclosure.Under
Face will combine the attached drawing in the embodiment of the present disclosure, and the technical solution in the embodiment of the present disclosure is clearly and completely described, and show
So, described embodiment is only disclosure a part of the embodiment, instead of all the embodiments.Based on the reality in the disclosure
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the range of disclosure protection.
" first " hereinafter, " second " etc. are only used for distinguishing in description, and there is no other special meanings.
As shown in Figure 1, the disclosure provides a kind of power supply device, including power supply module 1 and voltage compensation module 2.For
Power supply module 1 is to 3 output services voltage of load equipment and obtains load feedback voltage signal corresponding with load equipment 3,
Operating voltage is adjusted based on load feedback voltage signal.Load equipment 3 can be in the control system of equipment unit
Controller, mainboard etc..Power supply module 1 can be adjusted operating voltage using various ways.
Voltage compensation module 2 obtains the power supply feedback voltage signal that power supply module 1 exports, according to power supply feedback voltage
Signal generates operating voltage thermal compensation signal and is sent to power supply module 1, to compensate to operating voltage.Voltage compensation
Module 2 can generate operating voltage thermal compensation signal using various ways.Voltage compensation module 2 can be one or more levels compensation electricity
Source module, series can be configured according to specific design requirement.
In one embodiment, when voltage compensation module is Multilevel compensating power module, as shown in Fig. 2, the first compensation
Power module 21 is located at the first order of Multilevel compensating power module, obtains the power supply feedback voltage letter that power supply module 1 is sent
Number, operating voltage thermal compensation signal is generated according to power supply feedback voltage signal and is sent to power supply module 1.Second compensation power supply
Module be located at Multilevel compensating power module remaining is at different levels, it can be two, three, four grades that remaining is at different levels.Second compensation power supply mould
Block obtains the Compensation Feedback voltage signal that upper level compensation power module is sent, and upper level compensation power module can be the first benefit
Repay power module 21 or another the second compensation power module.Second compensation power module is generated according to Compensation Feedback voltage signal
Power supply compensation voltage signal is simultaneously sent to upper level compensation power module.
It is illustrated so that two-stage compensates power module as an example below, the second compensation power module 22 is located at two-stage compensation power supply
The second level of module.The operating voltage thermal compensation signal that first compensation power module 21 generates can for input offset voltage signal and
Export at least one of compensation voltage signal.The input offset voltage signal that first compensation power module 21 generates can load
On the voltage input line road of power supply module 1, the input voltage of power supply module 1 is compensated.First compensation electricity
The output compensation voltage signal that source module 21 generates can load on the outlet line of operating voltage, to power supply module 1
Output voltage compensate.
Second compensation 22 power supply compensation voltage signal of power module is output compensation voltage signal.Second compensation power module
The 22 output compensation voltage signal loads generated are on the voltage output line road of the first compensation power module 21, to the first compensation electricity
The operating voltage thermal compensation signal of source module 21 compensates.
For example, power supply module 1 is the direct power supply of controller, and when control system is interfered, power supply electricity
Source module 1 makes corresponding response by the feedback voltage of controller, is adjusted to operating voltage.In power supply module
1 while responded, and the first compensation power module 21 receives the power supply feedback voltage signal of the output of power supply module 1,
Operating voltage thermal compensation signal is generated according to power supply feedback voltage signal and is sent to power supply module 1.
The Compensation Feedback of the first compensation power module 21 transmission is received positioned at the second compensation power module 22 of the second level
Voltage signal, the second compensation power module 22 generate output compensation voltage signal and are sent to the first compensation power module 21.It can be with
And so on, second positioned at third and fourth grade compensates power module, and the second compensation power module for receiving upper level is sent
Compensation Feedback voltage signal, power supply compensation voltage signal is generated according to Compensation Feedback voltage signal and is sent to the of upper level
Two compensation power modules, carry out voltage compensation.
The load feedback voltage signal that power supply module 1 obtains, can be the transmission voltage for power supply module 1
Load feedback voltage signal, or for power supply module 1 export operating voltage load feedback voltage signal.First
Compensation power module 21, which is based on load feedback voltage signal, can be generated input offset voltage signal, output compensation voltage signal.
First compensation power module 21 provides input offset voltage signal, output compensation voltage signal to power supply module 1, guarantees to supply
The stability for the voltage of power supply module 1 output and input.
Power supply module 1, first, which compensates power module 21 and the input voltage of the second compensation power module 22, to be divided
Not by independent power input, can also be inputted by the same power interface 4.When power supply module 1 input voltage by
To interference when fluctuate, the first compensation power module 21 provides input offset voltage signal to power supply module 1, works as confession
When the output voltage of power supply module 1 is interfered, the first compensation power module 21 provides output to power supply module 1
Compensation voltage signal, or input offset voltage signal and output compensation voltage signal are provided simultaneously, it compensates, pressure stabilizing.
Second compensation power module 22 provides output compensation voltage signal to the first compensation power module 21 of upper level, protects
The first compensation power module 21 of card provides the duration of offset voltage to power supply module 1, makes the power supply of power supply module 1
Stablize, so that load equipment 3 has continuous energy stream always.The second compensation power module positioned at second level and more junior is only
Second compensation power module of upper level provides output compensation voltage signal.
In one embodiment, power supply module can be Switching Power Supply etc..As shown in figure 3, power supply module packet
Include transformer 12 and control unit 11.Transformer 12 include feedback winding, transformer 12 can output services voltage, further include just
Grade winding, secondary windings, or input winding, output winding etc..Transformer 12 can convert input voltage into voltage as setting
The operating voltage of value and output.Control unit 11 is connect with feedback winding, receives the load feedback voltage letter of feedback winding input
Number, load feedback voltage signal is compared with the first reference voltage signal, the first reference voltage signal can be single for control
The reference voltage that 11 inside of member is arranged.Determine whether operating voltage changes and to changed work according to comparison result
Voltage is adjusted, and can use a variety of methods of adjustment.Power supply module 1 further includes filter circuit of pressure-stabilizing unit, by steady
Filters pressing wave circuit unit carries out pressure stabilizing, filtering processing to input voltage.
As shown in figure 4, power supply module includes the high frequency transformer T2 with feedback winding 13T, transformer T2 can be with
Complete the conversion between different voltages.The control unit of power supply module may include power supply control chip U1, power supply control
Chip U1 receives the feedback voltage that feedback winding is sent, and controls the whole service of power supply module.
Resistance R7, R9, R10, R8 connect to form current limliting bleeder circuit, play the function of current limliting partial pressure.Shunt capacitance C2 and
C6 plays the role of voltage regulation filtering, and " π " type circuit that capacitor C1 and C2 and inductance are constituted can filter and eliminate making an uproar for input voltage
Sound.The RC circuit that diode D3, resistance R1 and R2, capacitor C4 are constituted can limit the peak voltage of input voltage.Diode D1,
D2 plays a protective role.Load feedback voltage signal is input to power supply control chip U1, load feedback voltage letter by feedback winding
It number is compared with the reference voltage inside power supply control chip U1, for being confirmed whether that load running is interfered.Work as transformer
When the output winding voltage of T2 changes, the feedback winding for being coupled to transformer T2 sends load feedback voltage signal to power supply
Chip U1 is controlled, power supply control chip U1 determines that operating voltage changes and is adjusted to changed operating voltage.
In one embodiment, the first compensation power module can be there are many implementation.As shown in figure 5, the first compensation
Power module includes: voltage comparator unit 211 and the first offset voltage output unit.Voltage comparator unit 211, which receives, to be supplied
It is defeated to generate comparator by being compared to power supply feedback voltage signal with the second reference voltage signal for electric feedback voltage signal
Signal out.First offset voltage output unit is based on comparator output signal and generates operating voltage thermal compensation signal and be sent to power supply
Power module 1.
First offset voltage output unit includes offset voltage unit 214, ON-OFF control circuit unit 213, phase inverter list
Member 212.Inverter module 212 receives comparator output signal and exports inverter output signal.ON-OFF control circuit unit 213
Offset voltage unit 214 is controlled to 1 output services of power supply module based on comparator output signal and inverter output signal
Voltage compensation signal.ON-OFF control circuit unit 213 can be there are many implementation.Feedback voltage signal of powering can be a variety of
Signal, for example, voltage comparator unit 211 is connect with the feedback winding of the transformer in power supply module, receive feedback around
The load feedback voltage signal of group input, using load feedback voltage signal as power supply feedback voltage signal.
As shown in fig. 6, voltage comparator unit includes voltage comparator U2-A, pass through resistance R17 and power supply module
Transformer T2 feedback winding 13T connection, transformer T2 be used for conversion voltage value.Voltage comparator U2-A can compare two
Size between voltage exports different level signals.The feedback voltage end of voltage comparator U2-A connects feedback winding, when anti-
When the voltage of the input of feedback winding changes, voltage comparator U2-A output signal 0 or 1.It is connected by transformer T1
External power supply, provides input voltage, voltage 12V.V12 is three-polar output voltage-stablizer, output voltage 12V, three-polar output
The voltage of voltage-stablizer V12 output can do reference voltage for subsequent conditioning circuit, such as can be used as the benchmark of voltage comparator U2-A
Voltage.
ON-OFF control circuit unit includes the circuit of metal-oxide-semiconductor U6 and U17, and metal-oxide-semiconductor U6 and U17 can be used as electronic switch.
When the load feedback voltage signal of feedback winding input is without disturbing, (when "+" end, voltage is greater than voltage comparator U2-A
When the voltage of "-" end, 1) output exports 1.For phase inverter N1 for making level signal reverse phase, phase inverter N1 receives voltage comparator U2-A
Output signal 1 simultaneously exports inverter output signal 0.The signal of voltage comparator U2-A and phase inverter N1 output controls metal-oxide-semiconductor U7
Conducting, metal-oxide-semiconductor U6 cut-off.When the having disturbance of load feedback voltage signal of feedback winding input, voltage comparator U2-A is defeated
The signal control metal-oxide-semiconductor U7 cut-off of out 0, phase inverter N1 output 1, voltage comparator U2-A and phase inverter N1 output, metal-oxide-semiconductor U6 are led
It is logical, then offset voltage is exported to power supply module by three-polar output voltage-stablizer V2, power supply module output is made to stablize electricity
Pressure.Rectifier diode D1 and D16 being capable of burning voltages, protection circuit.Resistance R18, R17 and R19 form partial pressure current-limiting circuit, rise
To the effect of partial pressure current limliting.
In one embodiment, the second compensation power module can be there are many implementation.As shown in fig. 7, the second compensation
Power module includes: the second offset voltage output unit 223, energy-storage units 221, compensation control circuit unit 222.Compensation control
Compensation Feedback voltage signal control energy-storage units 221 offer power supply compensation voltage signal is concurrent based on the received for circuit unit 222
Upper level compensation power module is given, can be the first compensation power module or the second compensation power module.Benefit is not being received
In the state of repaying feedback voltage signal, the second offset voltage output unit 223 of control charges to energy-storage units 221.Compensation
Control circuit unit 222 can be connect with the first offset voltage output unit, receive operating voltage thermal compensation signal, and operating voltage is mended
Repaying signal is Compensation Feedback voltage signal.Compensation control circuit unit 222 can be there are many implementation.
As shown in figure 8, the second offset voltage output unit can be individual voltage output unit, or three ends are defeated
Voltage-stablizer V2 out.Capacitor and inductance type reactance component, the ability with energy storage, but do not consume energy.Energy-storage travelling wave tube includes electricity
Matter capacitor C5, inductance L2 etc. are solved, electrolyte capacitance C5 can provide power supply compensation voltage signal.Compensation control circuit unit includes
It is provided with the control circuit of divider resistance R5 and R3, zener diode D8 and resistance R4, R6, the resistance value of resistance R5 specific resistance R3
Greatly.When the load feedback voltage signal of feedback winding input does not disturb, electrolyte capacitance C5 charges.Work as feedback winding
When the having disturbance of load feedback voltage signal of input, three-polar output voltage-stablizer V2 are mended to power supply module output services voltage
Signal is repaid, the circuit of output services voltage compensation signal is connect with compensation control circuit unit, when output services voltage compensation is believed
Number circuit in operating voltage thermal compensation signal voltage be less than 12V when, electrolyte capacitance C5 discharges, to first compensation electricity
Source module sends power supply compensation voltage signal.
Fig. 9 is according to the flow diagram of one embodiment of the control method of the electric power output voltage of the disclosure, such as Fig. 9
It is shown:
Step 901, power supply module to load equipment output services voltage and obtains corresponding with load equipment 3 negative
Feedback voltage signal is carried, operating voltage is adjusted based on load feedback voltage signal.
Step 902, voltage compensation module obtains the power supply feedback voltage signal of power supply module output, anti-according to power supply
Feedthrough voltage signal generates operating voltage thermal compensation signal and is sent to power supply module, to compensate to operating voltage.
In one embodiment, when voltage compensation module includes Multilevel compensating power module, the first compensation power module
21 are located at the first order of Multilevel compensating power module, obtain power supply feedback voltage signal, are generated according to power supply feedback voltage signal
Operating voltage thermal compensation signal is simultaneously sent to power supply module.Second compensation power module is located at its of Multilevel compensating power module
It is remaining at different levels, the Compensation Feedback voltage signal that upper level compensation power module is sent is obtained, is generated according to Compensation Feedback voltage signal
Power supply compensation voltage signal is simultaneously sent to upper level compensation power module.
Operating voltage thermal compensation signal is at least one of input offset voltage signal and output compensation voltage signal, power supply
Compensation voltage signal is output compensation voltage signal.First compensation power module, which generates input offset voltage signal and loads, to be supplied
The output compensation voltage signal load that the voltage input line road of power supply module, the first compensation power module generate is in work electricity
On the outlet line of pressure.Second compensation power supply generates output compensation voltage signal and loads the electricity in upper level compensation power module
It presses on outlet line.
Power supply module includes: transformer, control unit, filter circuit of pressure-stabilizing unit, transformer include: feedback around
Group.Control unit receives the load feedback voltage signal of feedback winding input, and control unit is by load feedback voltage signal and the
One reference voltage signal is compared, and determines whether operating voltage changes and to changed work according to comparison result
Voltage is adjusted.Pressure stabilizing, filtering processing are carried out to input voltage by filter circuit of pressure-stabilizing unit.
In one embodiment, the first compensation power module includes: voltage comparator unit, the first offset voltage output list
Member.Voltage comparator unit receives power supply feedback voltage signal, by believing power supply feedback voltage signal and the second reference voltage
It number is compared, generates comparator output signal.First offset voltage output unit is based on comparator output signal and generates work
Voltage compensation signal is simultaneously sent to power supply module.
First offset voltage output unit includes: offset voltage unit, ON-OFF control circuit unit, inverter module etc..
Inverter module receives comparator output signal and exports inverter output signal.It is defeated that ON-OFF control circuit unit is based on comparator
Signal and inverter output signal control offset voltage unit to power supply module output services voltage compensation signal out.Voltage
Comparator unit is connect with feedback winding, receives the load feedback voltage signal of feedback winding input, load feedback voltage is believed
Number as power supply feedback voltage signal.
In one embodiment, the second compensation power module includes: the second offset voltage output unit, energy-storage units, benefit
Repay control circuit unit.Compensation Feedback voltage signal control energy-storage units provide power supply to compensation control circuit unit based on the received
Compensation voltage signal is simultaneously sent to upper level compensation power module.Compensation control circuit unit is not receiving Compensation Feedback voltage
In the state of signal, the second offset voltage output unit of control charges to energy-storage units.Compensation control circuit unit and
The connection of one offset voltage output unit, receives operating voltage thermal compensation signal, using operating voltage thermal compensation signal as Compensation Feedback electricity
Press signal.
In one embodiment, the disclosure provides a kind of control system of equipment unit, comprising: in any embodiment as above
Power supply device.
In one embodiment, the disclosure provides a kind of equipment unit, comprising: equipment unit in any embodiment as above
Control system.Equipment unit includes air-conditioner set etc..
Control method, control system and the equipment unit of power supply device, electric power output voltage in above-described embodiment supply
Power supply module is adjusted operating voltage to load equipment output services voltage and based on load feedback voltage signal, voltage
The power supply feedback voltage signal that compensating module is exported according to power supply module generates operating voltage thermal compensation signal and is sent to confession
Power supply module carries out voltage compensation；By the powering mode of application multi-stage power source module, offset voltage can be provided, is guaranteed defeated
The stability of voltage out can lower the voltage fluctuation of power supply, increase the stability of load equipment, increase the use of product
Service life and quality, improve product quality, improve the use feeling degree of user.
Disclosed method and system may be achieved in many ways.For example, can by software, hardware, firmware or
Software, hardware, firmware any combination realize disclosed method and system.The said sequence of the step of for method is only
In order to be illustrated, the step of disclosed method, is not limited to sequence described in detail above, especially says unless otherwise
It is bright.In addition, in some embodiments, also the disclosure can be embodied as to record program in the recording medium, these programs include
For realizing according to the machine readable instructions of disclosed method.Thus, the disclosure also covers storage for executing according to this public affairs
The recording medium of the program for the method opened.
The description of the disclosure is given for the purpose of illustration and description, and is not exhaustively or by the disclosure
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
Embodiment is stated and be the principle and practical application in order to more preferably illustrate the disclosure, and those skilled in the art is enable to manage
The solution disclosure is to design various embodiments suitable for specific applications with various modifications.
Claims (17)
1. a kind of power supply device characterized by comprising
Power supply module is used for load equipment output services voltage and obtains load feedback electricity corresponding with load equipment
Signal is pressed, the operating voltage is adjusted based on the load feedback voltage signal；
Voltage compensation module, for obtaining the power supply feedback voltage signal of the power supply module output, according to the power supply
Feedback voltage signal generates operating voltage thermal compensation signal and is simultaneously sent to the power supply module, to the operating voltage into
Row compensation；
Wherein, the voltage compensation module includes Multilevel compensating power module；First compensation power module, is located at Multilevel compensating electricity
The first order of source module, for generating the operating voltage thermal compensation signal according to the power supply feedback voltage signal and being sent to institute
State power supply module；
Second compensation power module, remaining positioned at Multilevel compensating power module is at different levels, for compensating power supply mould according to upper level
The Compensation Feedback voltage signal that block is sent generates power supply compensation voltage signal and is sent to the upper level compensation power module；
Wherein, the second compensation power module includes: the second offset voltage output unit, energy-storage units, compensation control circuit
Unit；The compensation control circuit unit controls the energy-storage units for the Compensation Feedback voltage signal based on the received
The power supply compensation voltage signal is provided and is sent to the upper level compensation power module；The Compensation Feedback is not being received
In the state of voltage signal, controls the second offset voltage output unit and charge to the energy-storage units.
2. power supply device as described in claim 1, which is characterized in that
The operating voltage thermal compensation signal is at least one of input offset voltage signal and output compensation voltage signal；Its
In, described first compensates voltage input of the input offset voltage signal loading in the power supply module of power module generation
On route, the output compensation voltage signal that the first compensation power module generates loads the outlet line in the operating voltage
On；
The power supply compensation voltage signal is output compensation voltage signal, wherein the second compensation power module generates defeated
Compensation voltage signal load is on the voltage output line road of upper level compensation power module out.
3. power supply device as described in claim 1, which is characterized in that
The power supply module includes: transformer and control unit；The transformer exports the operating voltage, the transformation
Device includes: feedback winding；
Described control unit receives the load feedback electricity of the feedback winding input for connecting with the feedback winding
Press signal；The load feedback voltage signal is compared with the first reference voltage signal, according to comparison result determination
Whether operating voltage changes and is adjusted to the changed operating voltage.
4. power supply device as claimed in claim 3, which is characterized in that
The power supply module includes: filter circuit of pressure-stabilizing unit；The filter circuit of pressure-stabilizing unit is used for input voltage
Carry out pressure stabilizing, filtering processing.
5. power supply device as claimed in claim 3, which is characterized in that
The first compensation power module includes: voltage comparator unit, the first offset voltage output unit；
The voltage comparator unit, for receiving the power supply feedback voltage signal, by believing the power supply feedback voltage
It number is compared with the second reference voltage signal, generates comparator output signal；
The first offset voltage output unit generates the operating voltage compensation letter for device output signal based on the comparison
Number and be sent to the power supply module.
6. power supply device as claimed in claim 5, which is characterized in that
The first offset voltage output unit includes: offset voltage unit, ON-OFF control circuit unit, inverter module；
The inverter module, for receiving the comparator output signal and exporting inverter output signal；
The ON-OFF control circuit unit controls institute for device output signal based on the comparison and the inverter output signal
It states offset voltage unit and exports the operating voltage thermal compensation signal to the power supply module.
7. power supply device as claimed in claim 5, which is characterized in that
The voltage comparator unit is connect with the feedback winding, receives the load feedback electricity of the feedback winding input
Press signal, wherein the load feedback voltage signal is the power supply feedback voltage signal.
8. power supply device as claimed in claim 5, which is characterized in that
The compensation control circuit unit is connect with the first offset voltage output unit, receives the operating voltage compensation letter
Number, wherein the operating voltage thermal compensation signal is the Compensation Feedback voltage signal.
9. a kind of control method of electric power output voltage characterized by comprising
Power supply module is to load equipment output services voltage and obtains load feedback electricity corresponding with the load equipment
Signal is pressed, the operating voltage is adjusted based on the load feedback voltage signal；
Voltage compensation module obtains the power supply feedback voltage signal of the power supply module output, feeds back electricity according to the power supply
Pressure signal generates operating voltage thermal compensation signal and is sent to the power supply module, to mend to the operating voltage
It repays；
Wherein, the voltage compensation module includes Multilevel compensating power module；
First compensation power module is located at the first order of Multilevel compensating power module, obtains the power supply feedback voltage signal, root
The operating voltage thermal compensation signal is generated according to the power supply feedback voltage signal and is sent to the power supply module；
Second compensation power module is located at remaining at different levels, acquisition upper level compensation power module transmission of Multilevel compensating power module
Compensation Feedback voltage signal, generated and power supply compensation voltage signal and be sent on described according to the Compensation Feedback voltage signal
Level-one compensates power module；
Wherein, the second compensation power module includes: the second offset voltage output unit, energy-storage units, compensation control circuit
Unit；The Compensation Feedback voltage signal controls energy-storage units offer institute to the compensation control circuit unit based on the received
It states power supply compensation voltage signal and is sent to the upper level compensation power module；The compensation control circuit unit is not receiving
To in the state of the Compensation Feedback voltage signal, controls the second offset voltage output unit and the energy-storage units are carried out
Charging.
10. control method as claimed in claim 9, which is characterized in that the operating voltage thermal compensation signal is input offset electricity
At least one of signal and output compensation voltage signal are pressed, the power supply compensation voltage signal is output compensation voltage signal,
The method also includes:
The first compensation power module generates input offset voltage signal and load is defeated in the voltage of the power supply module
Enter the output compensation voltage signal that on route and/or the first compensation power module generates to load in the operating voltage
On outlet line；
The second compensation power module generates output compensation voltage signal and loads in upper level compensation power module
Voltage output line road.
11. control method as claimed in claim 10, which is characterized in that the power supply module includes: transformer and control
Unit processed；The transformer exports the operating voltage, and the transformer includes: feedback winding, the method also includes:
Described control unit receives the load feedback voltage signal of the feedback winding input；
The load feedback voltage signal is compared by described control unit with the first reference voltage signal, according to comparison result
Determine whether the operating voltage changes and be adjusted to the changed operating voltage.
12. control method as claimed in claim 11, which is characterized in that the power supply module includes: voltage regulation filtering electricity
Road unit, the method also includes:
Pressure stabilizing, filtering processing are carried out to input voltage by the filter circuit of pressure-stabilizing unit.
13. control method as claimed in claim 11, which is characterized in that the first compensation power module includes: voltage ratio
Compared with device unit, the first offset voltage output unit, the method also includes:
The voltage comparator unit receives the power supply feedback voltage signal, by the power supply feedback voltage signal and the
Two reference voltage signals are compared, and generate comparator output signal；
Device output signal generates the operating voltage thermal compensation signal simultaneously to the first offset voltage output unit based on the comparison
It is sent to the power supply module.
14. control method as claimed in claim 13, which is characterized in that the first offset voltage output unit includes: to mend
Voltage cell, ON-OFF control circuit unit, inverter module are repaid, the method also includes:
The inverter module receives the comparator output signal and exports inverter output signal；
Device output signal and the inverter output signal control the benefit to the ON-OFF control circuit unit based on the comparison
It repays voltage cell and exports the operating voltage thermal compensation signal to the power supply module；
Wherein, the voltage comparator unit is connect with the feedback winding, receives the load of the feedback winding input
Feedback voltage signal, wherein using the load feedback voltage signal as the power supply feedback voltage signal.
15. control method as claimed in claim 13, which is characterized in that
The compensation control circuit unit is connect with the first offset voltage output unit, receives the operating voltage compensation letter
Number, wherein using the operating voltage thermal compensation signal as the Compensation Feedback voltage signal.
16. a kind of control system of equipment unit characterized by comprising
Power supply device as claimed in any one of claims 1 to 8.
17. a kind of equipment unit characterized by comprising
The control system of equipment unit as claimed in claim 16.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810058583.1A CN108255224B (en) | 2018-01-22 | 2018-01-22 | Power supply device, the control method of electric power output voltage, control system and unit |
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| CN201810058583.1A CN108255224B (en) | 2018-01-22 | 2018-01-22 | Power supply device, the control method of electric power output voltage, control system and unit |
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| CN108255224A CN108255224A (en) | 2018-07-06 |
| CN108255224B true CN108255224B (en) | 2019-10-29 |
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| CN203301135U (en) * | 2013-05-20 | 2013-11-20 | 赛尔康技术（深圳）有限公司 | Over-heat protection circuit of flyback switching power supply having input voltage compensation function |
| CN103401424B (en) * | 2013-07-19 | 2014-12-17 | 昂宝电子（上海）有限公司 | System and method for regulating output current of power supply transformation system |
| US9595875B2 (en) * | 2013-07-29 | 2017-03-14 | Texas Instruments Incorporated | Voltage converter compensation apparatus and methods |
| CN103763830B (en) * | 2014-01-22 | 2016-06-15 | 杭州茂力半导体技术有限公司 | Light-emitting component driving system, driving control circuit and driving method |
| CN105449807B (en) * | 2014-09-28 | 2018-04-20 | 比亚迪股份有限公司 | Charging system and its secondary control device based on secondary control |
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