CN206332877U - A kind of driver - Google Patents
A kind of driver Download PDFInfo
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- CN206332877U CN206332877U CN201621306099.9U CN201621306099U CN206332877U CN 206332877 U CN206332877 U CN 206332877U CN 201621306099 U CN201621306099 U CN 201621306099U CN 206332877 U CN206332877 U CN 206332877U
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Abstract
The utility model provides a kind of driver, including：Feedback module, acquisition module and modular converter；Wherein, the feedback module and the acquisition module are connected with the modular converter respectively；The feedback module, for the modular converter output adjustment signal；The acquisition module, the use electric signal for gathering electrical equipment output, according to the use electric signal to the modular converter output feedback signal；The modular converter, power supply signal for receiving outside input, the adjustment signal exported according to the feedback module, determine internal reference voltage, according to the feedback signal and the internal reference voltage, the power supply signal is converted into driving electric signal, the driving electric signal is exported, is powered by the driving electric signal for the electrical equipment.The utility model provides a kind of driver, and compatibility is higher.
Description
Technical field
The utility model is related to electronic technology field, more particularly to a kind of driver.
Background technology
With the fast development of science and technology, the application of various electrical equipments is more and more extensive.How various electrical equipments are given
Power supply is also increasingly taken seriously.
In the prior art, some electrical equipments need specific electric signal ability normal work, and this electrical equipment is general
Corresponding driver is configured with, the electric signal required for being exported by driver, these drivers can only export corresponding electricity consumption
Electric signal required for equipment, it is impossible to export a variety of electric signals, it is impossible to adapt to a variety of electrical equipments.For example, LED (Light
Emitting Diode, light emitting diode) lamp needs direct current to be powered, and is every when being that LED is powered in the prior art
Plant LED and corresponding driver is set, every kind of driver exports specific electric signal, is that specific LED is powered, these
Driver can not export a variety of electric signals, it is impossible to be powered to a variety of LEDs.
It is visible by foregoing description, it can only typically export corresponding electricity consumption in the prior art for the equipment that electrical equipment is powered
Electric signal required for equipment, it is impossible to export a variety of electric signals, compatibility is poor.
Utility model content
The utility model embodiment provides a kind of driver, and compatibility is higher.
The utility model embodiment provides a kind of driver, including：
Feedback module, acquisition module and modular converter；Wherein,
The feedback module and the acquisition module are connected with the modular converter respectively；
The feedback module, for the modular converter output adjustment signal；
The acquisition module, the use electric signal for gathering electrical equipment output, according to the use electric signal to described turn
Change the mold block output feedback signal；
The modular converter, the power supply signal for receiving outside input, the tune exported according to the feedback module
Entire signal, determines internal reference voltage, and according to the feedback signal and the internal reference voltage, the power supply signal is changed
For driving electric signal, the driving electric signal is exported, is powered by the driving electric signal for the electrical equipment.
Further, the modular converter, including：
Copped wave handles submodule, for according to the feedback signal and the internal reference voltage, determining that copped wave pulse is wide
Degree, according to the copped wave pulse width, copped wave processing is carried out to the power supply signal, the driving electric signal is generated.
Further, the feedback module, including：
Variable resistance submodule, the first end of the variable resistance submodule is connected with the first end of the modular converter, the variable resistance
Submodule exports target resistance under outside control；
The modular converter, including：
Reference voltage determination sub-module, for determining the conversion when the variable resistance submodule exports the target resistance
The adjustment magnitude of voltage of the first end of module, the internal reference voltage is determined according to the adjustment magnitude of voltage.
Further, the feedback module, further comprises：
First operational amplifier, described the of the in-phase input end of first operational amplifier and the variable resistance submodule
One end is connected, and the output end of first operational amplifier is connected with the first end of the modular converter；
First resistor, the first end of the first resistor is connected with the current output terminal of the electrical equipment, and described first
Second end of resistance is connected with the inverting input of first operational amplifier；
First electric capacity, the first end of first electric capacity is connected with the output end of first operational amplifier, and described
Second end of one electric capacity is connected with the inverting input of first operational amplifier；
Second electric capacity, the first end of second electric capacity is connected with the output end of first operational amplifier；
Second resistance, the first end of second resistance is connected with the second end of second electric capacity, and the of the second resistance
Two ends are connected with the inverting input of first operational amplifier.
Further, the driver, further comprises：
Light adjusting controller, the light adjusting controller is connected with the second end of the variable resistance submodule；
The light adjusting controller is used for according to outside control, and outside determine is applied to the second end of the variable resistance submodule
Dimmer voltage.
Further, the variable resistance submodule includes：3rd resistor and at least one parallel branch；
The parallel branch includes：Switch and connected and corresponding to the fixed value resistance of current parallel branch with the switch；
Each parallel branch is in parallel with the 3rd resistor respectively；
The feedback module, further comprises：
4th resistance, the constant voltage of first the first preset value size of termination of the 4th resistance, the 4th resistance
The second end be connected with the second end of the variable resistance submodule；
5th resistance, the first end of the 5th resistance is connected with the first end of the variable resistance submodule, the 5th electricity
The second end ground connection of resistance；
The first end of the variable resistance submodule is the first end of the 3rd resistor, and the second end of the variable resistance submodule is
Second end of the 3rd resistor.
Further, the acquisition module, including：
6th resistance, the first end ground connection of the 6th resistance, the second end and the electrical equipment of the 6th resistance
Current output terminal be connected；
7th resistance, the first end of the 7th resistance is connected with the second end of the 6th resistance, the 7th resistance
The second end be connected with the second end of the modular converter, the second end of the 7th resistance is to the second end of the modular converter
Export the feedback signal.
Further, the driver further comprises：Turn off module；
The shut-off module, including：
8th resistance, the constant voltage of first the second preset value size of termination of the 8th resistance；
9th resistance, the first end of the 9th resistance is connected with the second end of the 8th resistance, the 9th resistance
The second end ground connection；
Second operational amplifier, the second end phase of the in-phase input end of second operational amplifier and the 8th resistance
Even；
Tenth resistance, the first end of the tenth resistance is connected with the inverting input of second operational amplifier, institute
The second end for stating the tenth resistance is connected with the second end of the variable resistance submodule；
11st resistance, the first end of the 11st resistance is connected with the output end of second operational amplifier；
Metal-oxide-semiconductor, the grid of the metal-oxide-semiconductor is connected with the second end of the 11st resistance, and the source electrode of the metal-oxide-semiconductor connects
Ground, the drain electrode of the metal-oxide-semiconductor is connected with the 3rd end of the modular converter；
The modular converter, including：
Control submodule, the height electricity of the drain electrode output for receiving the metal-oxide-semiconductor when the 3rd termination of the modular converter
Usually, the driving electric signal is exported, when the 3rd termination of the modular converter receives the low electricity of the drain electrode output of the metal-oxide-semiconductor
Usually, the output driving electric signal is stopped.
Further, the driver further comprises：
Voltage-stabiliser tube, the earth terminal ground connection of the voltage-stabiliser tube, the output end of the voltage-stabiliser tube and the first of the 8th resistance
End is connected, and the input of the voltage-stabiliser tube receives the power supply signal of the outside input, and the output end of the voltage-stabiliser tube is defeated
Go out the constant voltage of the second preset value size.
Further, the driver further comprises：Output module；
The output module includes：
Diode, the plus earth of the diode, the 4th end phase of the negative pole of the diode and the modular converter
Even；
Inductance, the first end of the inductance is connected with the negative pole of the diode, and the second end of the inductance is used with described
The current input terminal of electric equipment is connected；
3rd electric capacity, the first end of the 3rd electric capacity is connected with the second end of the inductance, and the of the 3rd electric capacity
Two ends are connected with the current output terminal of the electrical equipment；
The modular converter exports the driving electric signal by the 4th end of the modular converter.
In the utility model embodiment, by feedback module to modular converter output adjustment signal, modular converter according to
Adjustment signal determines internal reference voltage, and the feedback signal exported based on acquisition module is changed the power supply signal of outside input
For driving electric signal, powered by driving electric signal for electrical equipment, user can control internal reference by feedback module
Voltage, and then required driving electric signal is exported by modular converter, a variety of driving telecommunications can be exported by the driver
Number, a variety of electrical equipments with different needs for electricity can be met, the compatibility of the driver is higher.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are these
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic diagram for driver that the embodiment of the utility model one is provided；
Fig. 2 is the schematic diagram for another driver that the embodiment of the utility model one is provided；
Fig. 3 is the schematic diagram for another driver that the embodiment of the utility model one is provided；
Fig. 4 is the offer of the embodiment of the utility model one in a kind of schematic diagram of driver；
Fig. 5 is that the embodiment of the utility model one provides also a kind of schematic diagram of driver；
Fig. 6 is the schematic diagram for another driver that the embodiment of the utility model one is provided；
Fig. 7 is the schematic diagram for another driver that the embodiment of the utility model one is provided.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments, based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made all belongs to
The scope protected in the utility model.
As shown in figure 1, the utility model embodiment provides a kind of driver, including：
Feedback module 101, acquisition module 102 and modular converter 103；Wherein,
The feedback module 101 and the acquisition module 102 are connected with the modular converter 103 respectively；
The feedback module 101, for the output adjustment signal of modular converter 103；
The acquisition module 102, the use electric signal for gathering electrical equipment output, according to the use electric signal to described
The output feedback signal of modular converter 103；
The modular converter 103, the power supply signal for receiving outside input is exported according to the feedback module 101
The adjustment signal, determines internal reference voltage, and according to the feedback signal and the internal reference voltage, the power supply is believed
Driving electric signal number is converted to, the driving electric signal is exported, is powered by the driving electric signal for the electrical equipment.
In the utility model embodiment, by feedback module to modular converter output adjustment signal, modular converter according to
Adjustment signal determines internal reference voltage, and the feedback signal exported based on acquisition module is changed the power supply signal of outside input
For driving electric signal, powered by driving electric signal for electrical equipment, user can control internal reference by feedback module
Voltage, and then required driving electric signal is exported by modular converter, a variety of driving telecommunications can be exported by the driver
Number, a variety of electrical equipments with different needs for electricity can be met, the compatibility of the driver is higher.
Specifically, the power supply signal can be with direct current, such as：Constant voltage DC is electric, and the magnitude of voltage of the power supply signal can be
48v.Drive the electric signal can be with direct current, such as：Constant-current dc electricity, the current value of the driving electric signal can be according to internal reference
Voltage is determined.
In the embodiment of the utility model one, the modular converter, including：
Copped wave handles submodule, for according to the feedback signal and the internal reference voltage, determining that copped wave pulse is wide
Degree, according to the copped wave pulse width, copped wave processing is carried out to the power supply signal, the driving electric signal is generated.
Specifically, modular converter handles submodule by copped wave and realized according to the feedback signal and internal reference electricity
Pressure, driving electric signal is converted to by the power supply signal.
In the utility model embodiment, modular converter can be chopping depressuring chip.Copped wave handles submodule by cutting
Driving electric signal required for ripple processing generation electrical equipment.It can determine that electrical equipment is currently used by feedback signal
Whether matched with electric signal with internal reference voltage, if it is, current copped wave pulse width is kept, if it is not, then
The current copped wave pulse width of adjustment so that the driving electric signal of output matches with internal reference voltage.Current in adjustment
,, can be with when determining smaller with the current value of electric signal according to feedback signal and internal reference voltage during copped wave pulse width
Increase copped wave pulse width, when determining larger with the current value of electric signal, copped wave pulse width can be reduced.Wherein, increase
Plus amplitude during copped wave pulse width can be the first predetermined amplitude, amplitude when reducing copped wave pulse width can be second pre-
If amplitude.Modular converter is by constantly adjusting copped wave pulse width so that driving electric signal meets electrical equipment.
In the embodiment of the utility model one, feedback module is connected with the first end of modular converter.
Modular converter, is performing the adjustment signal exported according to the feedback module, is determining internal reference electricity
During pressure, the adjustment magnitude of voltage of the first end for determining modular converter, according to formula one, determines internal reference voltage, wherein, institute
Stating formula one is：V=k × b, wherein, v is internal reference voltage, and k is preset constant, and b is the adjustment of the first end of modular converter
Magnitude of voltage.For example：K can be 0.2.
In the embodiment of the utility model one, feedback module is connected with the first end of modular converter.
Modular converter, is further used for preserving the corresponding relation of adjustment magnitude of voltage and reference voltage；
Modular converter, is performing the adjustment signal exported according to the feedback module, is determining internal reference electricity
During pressure, the adjustment magnitude of voltage of the first end for determining modular converter, according to corresponding relation, it is determined that the corresponding base of adjustment magnitude of voltage
Quasi- voltage, will adjust the corresponding reference voltage of magnitude of voltage and is used as internal reference voltage.
In the utility model embodiment, acquisition module is gathered in real time uses electric signal, and modular converter is according to current electricity consumption
Signal, is changed to power supply signal in real time.
In order to more easily adjust internal reference voltage, in the embodiment of the utility model one, the feedback module, bag
Include：
Variable resistance submodule, the first end of the variable resistance submodule is connected with the first end of the modular converter, the variable resistance
Submodule exports target resistance under outside control；
The modular converter, including：
Reference voltage determination sub-module, for determining the conversion when the variable resistance submodule exports the target resistance
The adjustment magnitude of voltage of the first end of module, the internal reference voltage is determined according to the adjustment magnitude of voltage.
In the utility model embodiment, reference voltage determination sub-module is determined in described according to the adjustment magnitude of voltage
During portion's reference voltage, it can be realized, can also implemented with the utility model by the formula one in the utility model embodiment
Corresponding relation in example is determined.
In the utility model embodiment, user can adjust conversion by the resistance for the output for adjusting variable resistance submodule
The adjustment magnitude of voltage of the first end of module, modular converter determines internal reference voltage according to the adjustment magnitude of voltage.Variable resistance submodule
The adjustment magnitude of voltage of the first end output of block is adjustment signal.In the utility model embodiment, the first end of modular converter
Adjust the change for the target resistance that magnitude of voltage is exported with variable resistance submodule and change.
Specifically, the second end connection constant voltage of variable resistance submodule, under outside control, the output of variable resistance submodule
Resistance changes, and then the adjustment magnitude of voltage of the first end output of variable resistance submodule also changes, and then can adjust interior
Portion's reference voltage.For example, the second end of variable resistance submodule connects 10v constant voltage.
In the embodiment of the utility model one, the feedback module further comprises：
First operational amplifier, described the of the in-phase input end of first operational amplifier and the variable resistance submodule
One end is connected, and the output end of first operational amplifier is connected with the first end of the modular converter；
First resistor, the first end of the first resistor is connected with the current output terminal of the electrical equipment, and described first
Second end of resistance is connected with the inverting input of first operational amplifier；
First electric capacity, the first end of first electric capacity is connected with the output end of first operational amplifier, and described
Second end of one electric capacity is connected with the inverting input of first operational amplifier；
Second electric capacity, the first end of second electric capacity is connected with the output end of first operational amplifier；
Second resistance, the first end of second resistance is connected with the second end of second electric capacity, and the of the second resistance
Two ends are connected with the inverting input of first operational amplifier.
In the utility model embodiment, the first electric capacity, the second electric capacity and second resistance constitute peaking network.Electricity consumption
The voltage of the current output terminal of equipment puts on the inverting input of the first operational amplifier by first resistor, passes through the first fortune
Amplifier is calculated to be matched the voltage of the current output terminal of electrical equipment with the voltage of the first end of variable resistance submodule, if two
Person matches, and illustrates the current power reguirements that electrical equipment is met with electric signal, and the feedback module does not change modular converter
The adjustment magnitude of voltage of first end, enters without changing internal reference voltage, enters without changing driving electric signal；If the two is not
Matching, illustrates the current power reguirements that electrical equipment is unsatisfactory for electric signal, and the feedback module changes the first of modular converter
The adjustment magnitude of voltage at end, and then change internal reference voltage, and then change driving electric signal so that driving electric signal disclosure satisfy that
The power reguirements of electrical equipment.
In the embodiment of the utility model one, the driver further comprises：
Light adjusting controller, the light adjusting controller is connected with the second end of the variable resistance submodule；
The light adjusting controller is used for according to outside control, and outside determine is applied to the second end of the variable resistance submodule
Dimmer voltage.
In the utility model embodiment, user can control the dimmer voltage that light adjusting controller is exported, and be controlled by dimming
The dimmer voltage of device processed output can be adjusted to the voltage of the first end of variable resistance submodule, and then adjust the of modular converter
The adjustment magnitude of voltage of one end, and then internal reference voltage can be adjusted, and then adjust driving electric signal.By variable resistance submodule and
Light adjusting controller more careful to the progress of internal reference voltage can be adjusted exactly so that driving electric signal can be more accurate
Ground meets electrical equipment.For example, user is by adjusting the target resistance of variable resistance submodule output to the first of modular converter
The adjustment magnitude of voltage at end is adjusted, still, and the adjustment can not meet the demand of electrical equipment, the mesh exported in variable resistance submodule
Mark resistance it is constant in the case of, user can adjust the dimmer voltage of light adjusting controller output, to the first end of modular converter
Adjustment magnitude of voltage is further adjusted, the demand until meeting electrical equipment.For example, light adjusting controller can be exported
The scope of dimmer voltage can be [1v, 10v].
In addition, when electrical equipment is LED, after the completion of the target resistance adjustment that variable resistance submodule is exported, Ke Yitong
Cross the dimmer voltage of adjustment light adjusting controller output to adjust internal reference voltage, and then adjust driving electric signal, control driving
The current value of electric signal, and then control the brightness of LED.For example, in order to increase the brightness of LED, user can control
The dimmer voltage increase of light adjusting controller output；In order to reduce the brightness of LED, user can control what light adjusting controller was exported
Dimmer voltage reduces.
In the embodiment of the utility model one, the variable resistance submodule includes：3rd resistor and at least one parallel branch；
The parallel branch includes：Switch and connected and corresponding to the fixed value resistance of current parallel branch with the switch；
Each parallel branch is in parallel with the 3rd resistor respectively；
The feedback module, further comprises：
4th resistance, the constant voltage of first the first preset value size of termination of the 4th resistance, the 4th resistance
The second end be connected with the second end of the variable resistance submodule；
5th resistance, the first end of the 5th resistance is connected with the first end of the variable resistance submodule, the 5th electricity
The second end ground connection of resistance；
The first end of the variable resistance submodule is the first end of the 3rd resistor, and the second end of the variable resistance submodule is
Second end of the 3rd resistor.
In the utility model embodiment, user can be by controlling the closure of the switch in each parallel branch to control
The target resistance of variable resistance submodule output.When the switch closure in a parallel branch, the fixed value resistance in the parallel branch
It is in parallel with 3rd resistor, and then change the target resistance of whole variable resistance submodule output.Here switch can be toggle switch.
In the utility model embodiment, user can control variable resistance submodule by the opening and closing of controlling switch
The target resistance of output, and then the adjustment magnitude of voltage of the first end of modular converter is controlled, and then internal reference circuit is adjusted, finally
The size of the electric current of control driving electric signal.By the constant current point of the i.e. settable driving electric signal of switch, compatibility is strong, and uses
Stacked system realizes that constant current point is set.
In the utility model embodiment, variable resistance submodule, the 4th resistance and the 5th resistant series, the 4th resistance connect first
The constant voltage of preset value size, when the target resistance of variable resistance submodule changes, the voltage at variable resistance submodule two ends is just
It can change, the magnitude of voltage of the first end of variable resistance submodule changes, and then cause the adjustment of the first end of modular converter
Magnitude of voltage changes.For example, the first preset value here can be 10v.
In addition, variable resistance submodule can be the rheostats such as slide rheostat.
As shown in Fig. 2 a kind of driver that the utility model embodiment is provided, including：
Feedback module, acquisition module 102 and modular converter 103；Wherein,
Acquisition module 102, the use electric signal for gathering electrical equipment output, is exported according to electric signal to modular converter
Feedback signal；
Modular converter 103, the power supply signal for receiving outside input, the adjustment exported according to the feedback module
Signal, determines internal reference voltage, and according to the feedback signal and the internal reference voltage, the power supply signal is converted to
Electric signal is driven, the driving electric signal is exported, is powered by the driving electric signal for the electrical equipment.
Specifically, modular converter 103, including：Reference voltage determination sub-module, for determining when variable resistance submodule exports mesh
The adjustment magnitude of voltage of the first end of modular converter when marking resistance, internal reference voltage is determined according to adjustment magnitude of voltage.
Feedback module, including：
First operational amplifier U1, the first operational amplifier U1 in-phase input end and the first end phase of variable resistance submodule
Even；First operational amplifier U1 output end is connected with the first end of modular converter 103；
First resistor R1, first resistor R1 first end are connected with the current output terminal OUTPUT of electrical equipment, the first electricity
Resistance R1 the second end is connected with the first operational amplifier U1 inverting input；
First electric capacity C1, the first electric capacity C1 first end is connected with the first operational amplifier U1 output end, the first electric capacity
C1 the second end is connected with the first operational amplifier U1 inverting input；
Second electric capacity C2, the second electric capacity C2 first end is connected with the first operational amplifier U1 output end；
Second resistance R2, second resistance R2 first end is connected with the second electric capacity C2 the second end, and the of second resistance R2
Two ends are connected with the first operational amplifier U1 inverting input.
Variable resistance submodule includes：3rd resistor R3 and six parallel branches；
Six parallel branches, including：
First parallel branch, including：Switch S1 and the fixed value resistance that the first parallel branch is connected and corresponded to switching S1
Rs1；
Second parallel branch, including：Switch S2 and the fixed value resistance that the second parallel branch is connected and corresponded to switching S2
Rs2；
3rd parallel branch, including：Switch S3 and the fixed value resistance that the 3rd parallel branch is connected and corresponded to switching S3
Rs3；
4th parallel branch, including：Switch S4 and the fixed value resistance that the 4th parallel branch is connected and corresponded to switching S4
Rs4；
5th parallel branch, including：Switch S5 and the fixed value resistance that the 5th parallel branch is connected and corresponded to switching S5
Rs5；
6th parallel branch, including：Switch S6 and the fixed value resistance that the 6th parallel branch is connected and corresponded to switching S6
Rs6；
Each parallel branch is in parallel with 3rd resistor R3 respectively；
4th resistance R4, the 4th resistance R4 the first termination 10v constant voltage, the 4th resistance R4 the second end and variable resistance
Second end of submodule is connected；
5th resistance R5, the 5th resistance R5 first end is connected with the first end of variable resistance submodule, and the of the 5th resistance R5
Two ends are grounded；
The first end of variable resistance submodule is 3rd resistor R3 first end, and the second end of variable resistance submodule is 3rd resistor R3
The second end.
In the utility model embodiment, the closed-loop control to the electric current in electrical equipment is realized by feedback module.
In the embodiment of the utility model one, the acquisition module, including：
6th resistance, the first end ground connection of the 6th resistance, the second end and the electrical equipment of the 6th resistance
Current output terminal be connected；
7th resistance, the first end of the 7th resistance is connected with the second end of the 6th resistance, the 7th resistance
The second end be connected with the second end of the modular converter, the second end of the 7th resistance is to the second end of the modular converter
Export the feedback signal.
In the utility model embodiment, the feedback signal can be with the magnitude of voltage at the second end of the 7th resistance.Modular converter
The magnitude of voltage at the second end of modular converter is determined, the magnitude of voltage is compared with internal reference voltage, electrical equipment is judged
Internal reference voltage whether is met with electric signal.
Based on a kind of driver shown in Fig. 2, the utility model embodiment provides a kind of driver, as shown in figure 3, bag
Include：Acquisition module；
Acquisition module includes：
6th resistance R6, the 6th resistance R6 first end ground connection, the 6th resistance R6 the second end and the electric current of electrical equipment
Output end OUTPUT is connected；
7th resistance R7, the 7th resistance R7 first end is connected with the 6th resistance R6 the second end, and the of the 7th resistance R7
Two ends are connected with the second end of modular converter, the second end output feedback signal from the 7th resistance R7 the second end to modular converter.
In the utility model embodiment, the closed-loop control to the electric current in electrical equipment is realized by acquisition module.
In the embodiment of the utility model one, the driver further comprises：Turn off module；
The shut-off module, including：
8th resistance, the constant voltage of first the second preset value size of termination of the 8th resistance；
9th resistance, the first end of the 9th resistance is connected with the second end of the 8th resistance, the 9th resistance
The second end ground connection；
Second operational amplifier, the second end phase of the in-phase input end of second operational amplifier and the 8th resistance
Even；
Tenth resistance, the first end of the tenth resistance is connected with the inverting input of second operational amplifier, institute
The second end for stating the tenth resistance is connected with the second end of the variable resistance submodule；
11st resistance, the first end of the 11st resistance is connected with the output end of second operational amplifier；
Metal-oxide-semiconductor, the grid of the metal-oxide-semiconductor is connected with the second end of the 11st resistance, and the source electrode of the metal-oxide-semiconductor connects
Ground, the drain electrode of the metal-oxide-semiconductor is connected with the 3rd end of the modular converter；
The modular converter, including：
Control submodule, the height electricity of the drain electrode output for receiving the metal-oxide-semiconductor when the 3rd termination of the modular converter
Usually, the driving electric signal is exported, when the 3rd termination of the modular converter receives the low electricity of the drain electrode output of the metal-oxide-semiconductor
Usually, the output driving electric signal is stopped.
In the utility model embodiment, the 3rd end of modular converter is the Enable Pin of modular converter.For example, when turn
When changing the mold block for chopping depressuring chip, the 3rd end of modular converter is the enable pin of chopping depressuring chip.User can pass through
Control shut-off three-polar output high level or low level of the module to modular converter, and then control modular converter whether output driving
Electric signal, the zero output that can realize driver by the shut-off module is controlled.
In the utility model embodiment, using the voltage at the second end of the 8th resistance as reference voltage, pass through the second fortune
Calculate amplifier to be compared the reference voltage and the voltage of the first end of the tenth resistance, when the voltage of the first end of the tenth resistance
Less than the second end of the 8th resistance voltage when, the second operational amplifier output high level, metal-oxide-semiconductor conducting, the drain electrode of metal-oxide-semiconductor is defeated
Go out low level, control submodule stops output driving electric signal when receiving the low level of drain electrode output of metal-oxide-semiconductor.Specifically
Ground, can be set to 1v by the voltage at the second end of the 8th resistance, when the voltage of the first end of the tenth resistance is less than 1v, shut-off
Modular converter output driving electric signal.When electrical equipment is LED, the shut-off to LED can be realized by turning off module
Function.
When user controls the brightness of LED by light adjusting controller, when the voltage of the output of light adjusting controller is less than
During the voltage at the second end of the 8th resistance, it is possible to achieve the shut-off to LED.
In addition, user can also apply voltage by external equipment to the second end of variable resistance submodule, shut-off module can be with
The voltage applied according to external equipment is come to the three-polar output high level or low level of modular converter.Apply when external equipment
When voltage is less than the voltage at the second end of the 8th resistance, it is possible to achieve the shut-off to LED.
Based on a kind of driver shown in Fig. 3, the utility model embodiment provides a kind of driver, as shown in figure 4, bag
Include：Turn off module；
Module is turned off, including：
8th resistance, the 8th resistance R8 the first termination 10v constant voltage；
9th resistance R9, the 9th resistance R9 first end is connected with the 8th resistance R8 the second end, and the of the 9th resistance R9
Two ends are grounded；
Second operational amplifier U2, the second operational amplifier U2 in-phase input end and the 8th resistance R8 the second end phase
Even；
Tenth resistance R10, the tenth resistance R10 first end is connected with the second operational amplifier U2 inverting input, the
Ten resistance R10 the second end is connected with 3rd resistor R3 the second end；
11st resistance R11, the 11st resistance R11 first end is connected with the second operational amplifier U2 output end；
Metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q1 grid is connected with the 11st resistance R11 the second end, metal-oxide-semiconductor Q1 source ground,
Metal-oxide-semiconductor Q1 drain electrode is connected with the 3rd end of modular converter.
Modular converter, including：Control submodule, the drain electrode output for receiving metal-oxide-semiconductor when the 3rd termination of modular converter
High level when, output driving electric signal, when modular converter the 3rd termination receive metal-oxide-semiconductor drain electrode output low level when,
Stop output driving electric signal.
In the embodiment of the utility model one, the driver further comprises：Output module；
The output module includes：
Diode, the plus earth of the diode, the 4th end phase of the negative pole of the diode and the modular converter
Even；
Inductance, the first end of the inductance is connected with the negative pole of the diode, and the second end of the inductance is used with described
The current input terminal of electric equipment is connected；
3rd electric capacity, the first end of the 3rd electric capacity is connected with the second end of the inductance, and the of the 3rd electric capacity
Two ends are connected with the current output terminal of the electrical equipment；
The modular converter exports the driving electric signal by the 4th end of the modular converter.
In the utility model embodiment, diode and inductance composition filtering freewheeling circuit pass through the filtering freewheeling circuit
When can export low level at the 4th end of modular converter, the energy of storage is discharged, continues to output to electrical equipment and provides stable
Electric current, when modular converter the 4th end export high level when, storage energy, hinder modular converter the 4th end electric signal,
So that the electric signal that electrical equipment is obtained is more smooth, more stablize.In addition, can be set by the filtering freewheeling circuit to electricity consumption
It is standby to be protected, it is to avoid unexpected high pressure infringement electrical equipment.Can be to being input to the telecommunications of electrical equipment by the 3rd electric capacity
Number it is filtered so that the electric signal that electrical equipment is obtained more is stablized, disturbs smaller.
Based on a kind of driver shown in Fig. 4, the utility model embodiment provides a kind of driver, as shown in figure 5, bag
Include：Output module；
Output module includes：
Diode D1, diode D1 plus earth, diode D1 negative pole is connected with the 4th end of modular converter；
Inductance L, inductance L first end are connected with diode D1 negative pole, inductance L the second end and the electric current of electrical equipment
Input INPUT is connected；
3rd electric capacity C3, the 3rd electric capacity C3 first end is connected with inductance L the second end, the 3rd electric capacity C3 the second end with
The current output terminal OUTPUT of electrical equipment is connected；
The 4th end output driving electric signal that modular converter passes through modular converter.
In the embodiment of the utility model one, the driver further comprises：
Voltage-stabiliser tube, the earth terminal ground connection of the voltage-stabiliser tube, the output end of the voltage-stabiliser tube and the first of the 8th resistance
End is connected, and the input of the voltage-stabiliser tube receives the power supply signal of the outside input, and the output end of the voltage-stabiliser tube is defeated
Go out the constant voltage of the second preset value size.
In addition, based on a kind of driver shown in Fig. 5, the utility model embodiment provides a kind of driver, such as Fig. 6 institutes
Show, including：
First divider resistance Rv1, the first divider resistance Rv1First end and the first operational amplifier U1 output end, first
Divider resistance Rv1The second end be connected with the first end of modular converter 103；
Second divider resistance Rv2, the second divider resistance Rv2First end be connected with the first end of modular converter 103, second
Divider resistance Rv2The second end ground connection；
12nd resistance R12, the 12nd resistance R12 first end and the second operational amplifier U2 in-phase input end phase
Even, the 12nd resistance R12 the second end is connected with the second operational amplifier U2 output end；
13rd resistance R13, the 13rd resistance R13 first end is connected with the second operational amplifier U2 output end；
Diode D2 is turned off, shut-off diode D2 positive pole is connected with the 13rd resistance R13 the second end, turns off diode
D2 negative pole is connected with the first operational amplifier U1 inverting input；
4th electric capacity C4, the 4th electric capacity C4 first end is connected with metal-oxide-semiconductor Q1 grid, the 4th electric capacity C4 the second termination
Ground；
5th electric capacity C5, the 5th electric capacity C5 first end is connected with the second end of modular converter, and the second of the 5th electric capacity C5
End ground connection；
Voltage-stabiliser tube U3, voltage-stabiliser tube U3 earth terminal ground connection, voltage-stabiliser tube U3 output end and the 4th resistance R4 first end phase
Even, voltage-stabiliser tube U3 output end is connected with the 8th resistance R8 first end, and voltage-stabiliser tube U3 input receives the confession of outside input
Electric signal；
6th electric capacity C6, the 6th electric capacity C6 first end is connected with voltage-stabiliser tube U3 output end, and the second of the 6th electric capacity C6
End ground connection；
7th electric capacity C7, the 7th electric capacity C7 first end is connected with the 3rd end of modular converter, and the second of the 7th electric capacity C7
End ground connection；
8th electric capacity C8, the 8th electric capacity C8 first end is connected with voltage-stabiliser tube U3 input, and the second of the 8th electric capacity C8
End ground connection.
In the utility model embodiment, pass through the constant voltage wanted needed for voltage-stabiliser tube U3 output drivers.Pass through
Seven electric capacity can be filtered to the enable signal that the 3rd termination of modular converter is received, and reduction enables the interference in signal.
Based on a kind of driver shown in Fig. 6, the utility model embodiment provides a kind of driver, as shown in fig. 7, bag
Include：
Light adjusting controller 701, light adjusting controller 701 is connected with the second end of variable resistance submodule；
Light adjusting controller 701 is used for according to outside control, and the outside tune determined is applied to the second end of variable resistance submodule
Photovoltage.
A kind of course of work for driver that the utility model embodiment is provided is as follows：
Acquisition module gathers the use electric signal of electrical equipment in real time, to modular converter output feedback signal, the acquisition module
Can be the magnitude of voltage at the second end of modular converter, when modular converter determine the magnitude of voltage at the second end of modular converter with it is current
When the internal reference voltage of preservation is mismatched, copped wave pulse width is adjusted, according to the copped wave pulse width after adjustment, power supply is believed
Number carry out copped wave processing, generation driving electric signal, powered by driving electric signal for electrical equipment.Here adjustment is real-time
, modular converter once it is determined that the magnitude of voltage that goes out the second end of modular converter and the internal reference voltage currently preserved are mismatched,
It will be adjusted, with the driving electric signal of output matching internal reference voltage.Here internal reference voltage be user according to
What the need for electricity of electrical equipment was set.
When the need for electricity of electrical equipment changes, user can adjust internal reference electricity by feedback module
Pressure.Specifically, user can change the adjustment of modular converter first end by changing the target resistance of variable resistance submodule output
Magnitude of voltage, user can also change the adjustment electricity of modular converter first end by changing the dimmer voltage of light adjusting controller output
Pressure value.Modular converter adjusts internal reference voltage according to the adjustment magnitude of voltage.Then, modular converter is coordinating acquisition module output
Meet the driving electric signal of the need for electricity of electrical equipment.By feedback module, the driver can flexibly export required
Electric signal is driven, the need for electricity of various electrical equipments is disclosure satisfy that.
In addition, when electrical equipment is LED, how user needs to adjust the brightness of LED, and user can pass through feedback
Module adjusts internal reference voltage, and then adjusts the size of current of driving electric signal, and then controls the brightness of LED.Specifically
Ground, user can change the adjustment magnitude of voltage of modular converter first end by changing the target resistance of variable resistance submodule output,
And then changing internal reference voltage, user can also change modular converter by changing the dimmer voltage of light adjusting controller output
The adjustment magnitude of voltage of first end, and then change internal reference voltage.
Each embodiment of the utility model at least has the advantages that：
1st, in the utility model embodiment, by feedback module to modular converter output adjustment signal, modulus of conversion root tuber
Internal reference voltage is determined according to adjustment signal, the feedback signal exported based on acquisition module is turned the power supply signal of outside input
Driving electric signal is changed to, is powered by driving electric signal for electrical equipment, user can control internal base by feedback module
Quasi- voltage, and then required driving electric signal is exported by modular converter, a variety of driving electricity can be exported by the driver
Signal, can meet a variety of electrical equipments with different needs for electricity, and the compatibility of the driver is higher.
2nd, in the utility model embodiment, user can adjust internal reference voltage by feedback module, and then adjust
The driving electric signal of whole modular converter output.User can change conversion by changing the target resistance of variable resistance submodule output
The adjustment magnitude of voltage of module first end, user can also change modulus of conversion by changing the dimmer voltage of light adjusting controller output
The adjustment magnitude of voltage of block first end.Modular converter adjusts internal reference voltage according to the adjustment magnitude of voltage.Then, modular converter exists
Acquisition module output is coordinated to meet the driving electric signal of the need for electricity of electrical equipment.By feedback module, the driver can be with
Flexibly the driving electric signal required for output, disclosure satisfy that the need for electricity of various electrical equipments.
3rd, in the utility model embodiment, when electrical equipment is LED, user can be adjusted by feedback module
Internal reference voltage, and then the size of current of driving electric signal is adjusted, and then can flexibly control the brightness of LED.User can
To change the adjustment magnitude of voltage of modular converter first end by changing the target resistance of variable resistance submodule output, and then change interior
Portion's reference voltage, user can also change the tune of modular converter first end by changing the dimmer voltage of light adjusting controller output
Whole magnitude of voltage, and then change internal reference voltage.
It should be noted that herein, such as first and second etc relational terms are used merely to an entity
Or operation makes a distinction with another entity or operation, and not necessarily require or imply exist between these entities or operation
Any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant be intended to it is non-
It is exclusive to include, so that process, method, article or equipment including a series of key elements not only include those key elements,
But also other key elements including being not expressly set out, or also include solid by this process, method, article or equipment
Some key elements.In the absence of more restrictions, the key element limited by sentence " including one ", is not arranged
Except also there is other identical factor in the process including the key element, method, article or equipment.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
Programmed instruction related hardware is completed, and foregoing program can be stored in the storage medium of embodied on computer readable, the program
Upon execution, the step of including above method embodiment is performed；And foregoing storage medium includes：ROM, RAM, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
It is last it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, this practicality is merely to illustrate
New technical scheme, is not intended to limit protection domain of the present utility model.It is all it is of the present utility model spirit and principle it
Interior done any modifications, equivalent substitutions and improvements etc., are all contained in protection domain of the present utility model.
Claims (10)
1. a kind of driver, it is characterised in that including：
Feedback module, acquisition module and modular converter；Wherein,
The feedback module and the acquisition module are connected with the modular converter respectively；
The feedback module, for the modular converter output adjustment signal；
The acquisition module, the use electric signal for gathering electrical equipment output, according to the use electric signal to the modulus of conversion
Block output feedback signal；
The modular converter, the power supply signal for receiving outside input, the adjustment exported according to the feedback module is believed
Number, internal reference voltage is determined, according to the feedback signal and the internal reference voltage, the power supply signal is converted into drive
Dynamic electric signal, exports the driving electric signal, is powered by the driving electric signal for the electrical equipment.
2. driver according to claim 1, it is characterised in that
The modular converter, including：
Copped wave handles submodule, for according to the feedback signal and the internal reference voltage, determining copped wave pulse width, root
According to the copped wave pulse width, copped wave processing is carried out to the power supply signal, the driving electric signal is generated.
3. driver according to claim 1, it is characterised in that
The feedback module, including：
Variable resistance submodule, the first end of the variable resistance submodule is connected with the first end of the modular converter, the variable resistance submodule
Block exports target resistance under outside control；
The modular converter, including：
Reference voltage determination sub-module, for determining the modular converter when the variable resistance submodule exports the target resistance
First end adjustment magnitude of voltage, according to it is described adjustment magnitude of voltage determine the internal reference voltage.
4. driver according to claim 3, it is characterised in that
The feedback module, further comprises：
First operational amplifier, the first end of the in-phase input end of first operational amplifier and the variable resistance submodule
It is connected, the output end of first operational amplifier is connected with the first end of the modular converter；
First resistor, the first end of the first resistor is connected with the current output terminal of the electrical equipment, the first resistor
The second end be connected with the inverting input of first operational amplifier；
First electric capacity, the first end of first electric capacity is connected with the output end of first operational amplifier, first electricity
The second end held is connected with the inverting input of first operational amplifier；
Second electric capacity, the first end of second electric capacity is connected with the output end of first operational amplifier；
Second resistance, the first end of second resistance is connected with the second end of second electric capacity, the second end of the second resistance
It is connected with the inverting input of first operational amplifier.
5. driver according to claim 3, it is characterised in that
Further comprise：
Light adjusting controller, the light adjusting controller is connected with the second end of the variable resistance submodule；
The light adjusting controller is used for according to outside control, and the outside tune determined is applied to the second end of the variable resistance submodule
Photovoltage.
6. driver according to claim 3, it is characterised in that
The variable resistance submodule includes：3rd resistor and at least one parallel branch；
The parallel branch includes：Switch and connected and corresponding to the fixed value resistance of current parallel branch with the switch；
Each parallel branch is in parallel with the 3rd resistor respectively；
The feedback module, further comprises：
4th resistance, the constant voltage of first the first preset value size of termination of the 4th resistance, the of the 4th resistance
Two ends are connected with the second end of the variable resistance submodule；
5th resistance, the first end of the 5th resistance is connected with the first end of the variable resistance submodule, the 5th resistance
Second end is grounded；
The first end of the variable resistance submodule is the first end of the 3rd resistor, and the second end of the variable resistance submodule is described
Second end of 3rd resistor.
7. driver according to claim 1, it is characterised in that
The acquisition module, including：
6th resistance, the first end ground connection of the 6th resistance, the second end of the 6th resistance and the electricity of the electrical equipment
Output end is flowed to be connected；
7th resistance, the first end of the 7th resistance is connected with the second end of the 6th resistance, and the of the 7th resistance
Two ends are connected with the second end of the modular converter, and the second end of the 7th resistance is exported to the second end of the modular converter
The feedback signal.
8. driver according to claim 3, it is characterised in that
Further comprise：Turn off module；
The shut-off module, including：
8th resistance, the constant voltage of first the second preset value size of termination of the 8th resistance；
9th resistance, the first end of the 9th resistance is connected with the second end of the 8th resistance, and the of the 9th resistance
Two ends are grounded；
Second operational amplifier, the in-phase input end of second operational amplifier is connected with the second end of the 8th resistance；
Tenth resistance, the first end of the tenth resistance is connected with the inverting input of second operational amplifier, and described
Second end of ten resistance is connected with the second end of the variable resistance submodule；
11st resistance, the first end of the 11st resistance is connected with the output end of second operational amplifier；
Metal-oxide-semiconductor, the grid of the metal-oxide-semiconductor is connected with the second end of the 11st resistance, the source ground of the metal-oxide-semiconductor, institute
The drain electrode for stating metal-oxide-semiconductor is connected with the 3rd end of the modular converter；
The modular converter, including：
Control submodule, during the high level that the drain electrode for receiving the metal-oxide-semiconductor when the 3rd termination of the modular converter is exported,
The driving electric signal is exported, when the 3rd termination of the modular converter receives the low level of drain electrode output of the metal-oxide-semiconductor,
Stop the output driving electric signal.
9. driver according to claim 8, it is characterised in that
Further comprise：
Voltage-stabiliser tube, the earth terminal ground connection of the voltage-stabiliser tube, the output end of the voltage-stabiliser tube and the first end phase of the 8th resistance
Even, the input of the voltage-stabiliser tube receives the power supply signal of the outside input, the output end output institute of the voltage-stabiliser tube
State the constant voltage of the second preset value size.
10. according to any described driver in claim 1-9, it is characterised in that
Further comprise：Output module；
The output module includes：
Diode, the plus earth of the diode, the negative pole of the diode is connected with the 4th end of the modular converter；
Inductance, the first end of the inductance is connected with the negative pole of the diode, and the second end and the electricity consumption of the inductance are set
Standby current input terminal is connected；
3rd electric capacity, the first end of the 3rd electric capacity is connected with the second end of the inductance, the second end of the 3rd electric capacity
It is connected with the current output terminal of the electrical equipment；
The modular converter exports the driving electric signal by the 4th end of the modular converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621306099.9U CN206332877U (en) | 2016-12-01 | 2016-12-01 | A kind of driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621306099.9U CN206332877U (en) | 2016-12-01 | 2016-12-01 | A kind of driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206332877U true CN206332877U (en) | 2017-07-14 |
Family
ID=59288242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621306099.9U Withdrawn - After Issue CN206332877U (en) | 2016-12-01 | 2016-12-01 | A kind of driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206332877U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106488614A (en) * | 2016-12-01 | 2017-03-08 | 意诺科技有限公司 | A kind of driver and a kind of method of supplying power to |
-
2016
- 2016-12-01 CN CN201621306099.9U patent/CN206332877U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106488614A (en) * | 2016-12-01 | 2017-03-08 | 意诺科技有限公司 | A kind of driver and a kind of method of supplying power to |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170714 Effective date of abandoning: 20171226 |