CN207098728U - Power supply electricity getting device - Google Patents
Power supply electricity getting device Download PDFInfo
- Publication number
- CN207098728U CN207098728U CN201720991733.5U CN201720991733U CN207098728U CN 207098728 U CN207098728 U CN 207098728U CN 201720991733 U CN201720991733 U CN 201720991733U CN 207098728 U CN207098728 U CN 207098728U
- Authority
- CN
- China
- Prior art keywords
- voltage
- circuit
- resistance
- output
- diode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Dc-Dc Converters (AREA)
Abstract
The utility model discloses a kind of power supply electricity getting device.Described device includes：Voltage-multiplying circuit, drive control circuit, accumulator, voltage-stabilizing output circuit and boosting output circuit, voltage-multiplying circuit, drive control circuit and boosting output circuit are sequentially connected with, second output end of drive control circuit is connected with the input of voltage-stabilizing output circuit, the output end of output circuit of boosting and the output end of voltage-stabilizing output circuit are connected with the second input of drive control circuit jointly, the charge-discharge end of accumulator is connected with the first output end of drive control circuit, the output end of voltage-multiplying circuit is connected with the first input end of drive control circuit, the input of boosting output circuit is connected with the first output end of drive control circuit, solves power supply power-supply circuit relatively low technical problem of power taking efficiency in circuit low current in the prior art, when realizing circuit low current, the power taking efficiency of power supply power-supply circuit can be substantially improved.
Description
Technical field
It the utility model is related to power supply power taking technology field, more particularly to a kind of power supply electricity getting device.
Background technology
China is after the last century nineties from study abroad to the indicator that automatically resets of distribution line failure
After device technique, with reference to China's distribution line gauze actual conditions carried out China distribution line failure indicator application
Research work, by decades research and development nowadays China's distribution line failure indicator use for power system
Normal operation brings huge contribution.
The fault detector of distribution line system be exactly briefly it is a kind of by overhead distribution line,
A kind of fault current detection circulation device on the electric power cabinet and power switch of distribution line system.There is power line
The accident indicator on road just can distribution line failure after rapid automatic alarm, allow staff can be more
Out of order particular location is investigated in the region for quickly finding line fault, in general all also has short circuit identification and ground connection
The function of Fault Identification.
But the power supply of the fault detector of electric power system power distribution line system is always a skill for needing to solve
Art problem, traditional indicator power supply power taking technology, one kind are to use decompression mode, this need it is outer with rated voltage 5.5V with
On super capacitor energy-storage, when indicator power taking CT voltages are relatively low, it is impossible to reliably working, while storage capacitor utilization ratio is not
Foot 50%；Another is to use boost mode, and required operating voltage, but its can be exported when power taking CT voltages are relatively low
Power supply conversion efficiency only has 70-80%, this two schemes can not meet needs relatively low line current and power taking CT voltages compared with
The indicator demand to be worked in the case of low, it is impossible to reliable working power is provided, and both scheme works are inefficient, into
This height, the wasting of resources.
Utility model content
In view of this, the utility model provides a kind of power supply electricity getting device, to solve the electricity of power supply power taking in the prior art
Road relatively low technical problem of power taking efficiency in circuit low current.
The utility model provides a kind of power supply electricity getting device, including：Voltage-multiplying circuit, drive control circuit, accumulator,
Voltage-stabilizing output circuit and boosting output circuit；
The voltage-multiplying circuit, the drive control circuit and the boosting output circuit are sequentially connected with, the drive control
Second output end of circuit is connected with the input of the voltage-stabilizing output circuit, the boosting output end of output circuit and described
Second input of the output end of voltage-stabilizing output circuit jointly with the drive control circuit is connected, the charge and discharge of the accumulator
Electric end is connected with the first output end of the drive control circuit, wherein, the output end of the voltage-multiplying circuit is controlled with the driving
The first input end of circuit processed is connected, the first output end of the input and the drive control circuit of the boosting output circuit
It is connected；
The voltage-multiplying circuit is used for the voltage for producing the integral multiple for the magnitude of voltage that magnitude of voltage is input power；The driving control
The voltage control that circuit processed is used to be exported according to the second output end of the drive control circuit is charged to the accumulator, institute
Drive control circuit is stated to be additionally operable to be controlled to the electricity in the voltage-multiplying circuit according to the voltage of the charge-discharge end of the accumulator
Discharge capacitor；The accumulator is used to store electric energy, and input voltage is provided for the boosting output circuit；The boosting output electricity
Road is used to export after the boost in voltage of the charge-discharge end of the accumulator；The voltage-stabilizing output circuit is used for the driving
The voltage of the second output end output of control circuit is changed into fixed voltage output.
In said apparatus, it is preferred that the voltage-multiplying circuit includes：Diode D1, diode D2, electric capacity C1 and electric capacity
C2；
The positive pole of the diode D1 simultaneously with the first input end of the input power and the negative pole of the diode D2
It is connected, the negative pole of the diode D1 is connected with the positive pole of the electric capacity C1 and the output end of the voltage-multiplying circuit simultaneously；
The negative pole of the electric capacity C1 is connected with the second input of the input power and the positive pole of the electric capacity C2 simultaneously；
The negative pole ground connection of the electric capacity C2, and be connected with the positive pole of the diode D2.
In said apparatus, it is preferred that also include：Electric capacity C3；
The first end of the electric capacity C3 is connected with the positive pole of the electric capacity C1, the second end ground connection of the electric capacity C3；
The diode D1 and diode D2 is Schottky diode.
In said apparatus, it is preferred that the drive control circuit includes：
P-type EMOS pipes Q1, diode D3, electric capacity C4, N-type EMOS pipes Q2, triode Q3, resistance R1 to resistance R10, first
Comparator U1, the second comparator U2 and reference voltage chip U3；
The source ground of the p-type EMOS pipes Q1, and be connected with the first end of the electric capacity C4, the p-type EMOS pipes Q1
Grid simultaneously be connected with the first end of the resistance R10 and the output end of the second comparator U2, the p-type EMOS pipes Q1
Drain electrode simultaneously be connected with the positive pole of the diode D3 and the first input end of the drive control circuit；
The negative pole of the diode D3 simultaneously with the second end of the electric capacity C4, the first end of the resistance R1, the N-type
Second output end of EMOS pipes Q2 source electrode and the drive control circuit is connected；
The drain electrode of the N-type EMOS pipes Q2 simultaneously with the first output end of the drive control circuit and the resistance R9
First end is connected, the grid of the N-type EMOS pipes Q2 simultaneously with the second end of the resistance R1 and the current collection of the triode Q3
Extremely it is connected；
The grounded emitter of the triode Q3, the base stage of the triode Q3 are simultaneously defeated with the first comparator U1
Go out end with the first end of the resistance R5 to be connected；
The positive power source terminal of the first comparator U1 is connected with the output end of the boosting output circuit, and described first compares
Device U1 negative power end ground connection, the in-phase input end of the first comparator U1 first end with the resistance R3, described simultaneously
Resistance R4 first end is connected with the second end of the resistance R5, reverse input end and the resistance of the first comparator U1
R2 first end is connected, and the second end of the resistance R3 is connected with the negative pole of the diode D3, the second end of the resistance R4
Ground connection, the second end of the resistance R2 simultaneously with the negative electrode of the reference voltage chip U3, the first end of the resistance R6 and
The first end of the resistance R7 is connected；
The positive power source terminal of the second comparator U2 output end with the boosting output circuit and the resistance R6 simultaneously
The second end be connected, the negative power end of the second comparator U2 ground connection, the in-phase input end of the second comparator U2 is simultaneously
It is connected with the second end of the resistance R9 and the second end of the resistance R10, the reverse input end of the second comparator U2 is same
When be connected with the second end of the resistance R7 and the first end of the resistance R8, the second end of resistance R8 ground connection；
The reference pole of the reference voltage chip U3 is connected with negative electrode, the plus earth of the reference voltage chip U3.
In said apparatus, it is preferred that the diode D3 is Schottky diode.
In said apparatus, it is preferred that the accumulator includes storage capacitor；
The positive pole of the storage capacitor is connected with the first output end of the drive control circuit, and the storage capacitor is born
Pole is grounded.
In said apparatus, it is preferred that the boosting output circuit includes：
Boost chip U4 and peripheral circuit corresponding with the boost chip U4.
In said apparatus, it is preferred that the boost chip U4 is TPS61021A；
The peripheral circuit corresponding with the boost chip U4 includes：Resistance R11 to resistance R13, inductance L1, electric capacity C5
With diode D4；
The 1st pin and the 9th pin of the boost chip U4 is connected and is grounded, the 5th pin and the electricity of the boost chip U4
Resistance R11 first end is connected, the 8th pin of the boost chip U4 the second end with the resistance R11, the inductance L1 simultaneously
The input of first end and the boosting output circuit is connected, the 6th pin of the boost chip U4 simultaneously with the boosting core
Piece U4 the 7th pin is connected with the second end of the inductance L1, the 3rd pin of the boost chip U4 simultaneously with the boost chip U4
The 4th pin, the first end of the resistance R12, the first end of the electric capacity C5 and the diode D4 positive pole be connected, it is described
Boost chip U4 the 2nd pin is connected with the second end of the resistance R12 and the first end of the resistance R13 simultaneously, the resistance
R13 the second end is connected and is grounded with the second end of the electric capacity C5, the negative pole of the diode D4 and the boosting output electricity
The output end on road is connected.
In said apparatus, it is preferred that the diode D4 is Schottky diode.
In said apparatus, it is preferred that the voltage-stabilizing output circuit includes：
Voltage stabilizing chip U5 and peripheral circuit corresponding with the voltage stabilizing chip U5.
In said apparatus, it is preferred that the voltage stabilizing chip U5 is HT7136；
The peripheral circuit corresponding with the voltage stabilizing chip U5 includes：Electric capacity C6, electric capacity C7 and diode D5；
The 1st pin of the voltage stabilizing chip U5 is connected with the first end of the electric capacity C6 and the first end of the electric capacity C7 simultaneously
And be grounded, the 2nd pin of the voltage stabilizing chip U5 simultaneously with the second end of the electric capacity C6 and the input of the voltage-stabilizing output circuit
End is connected, and the 3rd pin of the voltage stabilizing chip U5 is connected with the second end of the electric capacity C7 and the positive pole of the diode D5 simultaneously,
The negative pole of the diode D5 is connected with the output end of the voltage-stabilizing output circuit.
In said apparatus, it is preferred that the diode D5 is Schottky diode.
The utility model embodiment provides a kind of power supply electricity getting device, and the device includes voltage-multiplying circuit, drive control electricity
Road, accumulator, voltage-stabilizing output circuit and boosting output circuit, it is input power by first using voltage-multiplying circuit to produce magnitude of voltage
Magnitude of voltage integral multiple voltage, reuse the electricity that drive control circuit exports according to the second output end of drive control circuit
Voltage-controlled system charges to accumulator, and is controlled using drive control circuit according to the voltage of the charge-discharge end of accumulator to again
Electric capacity electric discharge in volt circuit, then will be exported using boosting output circuit after the boost in voltage of the charge-discharge end of accumulator,
Export, solve while the voltage that the output end of voltage-multiplying circuit exports is changed into fixed voltage using voltage-stabilizing output circuit
Power supply power-supply circuit relatively low technical problem of power taking efficiency in circuit low current in the prior art, is realized when circuit low current
When, the power taking efficiency of power supply power-supply circuit can be substantially improved.
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 required accompanying drawing used does one and simply introduced in description of the prior art, it should be apparent that, drawings in the following description are
Some embodiments of the utility model, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structure chart for power supply electricity getting device that the utility model embodiment one provides；
Fig. 2 is a kind of structure chart for power supply electricity getting device that the utility model embodiment two provides.
Embodiment
Further to illustrate that the utility model is to reach the technological means and effect that predetermined purpose of utility model taken,
Below in conjunction with accompanying drawing and preferred embodiment, to according to the utility model proposes the embodiment of intelligent interaction flat board, knot
Structure, feature and its effect, describe in detail as after.
Embodiment one
Fig. 1 is a kind of structure chart for power supply electricity getting device that the utility model embodiment one provides, power supply in the present embodiment
The structure of electricity getting device specifically includes：Voltage-multiplying circuit 101, drive control circuit 102, accumulator 103, voltage-stabilizing output circuit
104 and boosting output circuit 105.
As shown in figure 1, voltage-multiplying circuit 101, drive control circuit 102 and boosting output circuit 105 are sequentially connected with, driving control
Second output end of circuit 102 processed is connected with the input of voltage-stabilizing output circuit 104, boost output circuit 105 output end and
The output end of voltage-stabilizing output circuit 104 is connected with the second input of drive control circuit 102 jointly, and accumulator 103 fills
Discharge end is connected with the first output end of drive control circuit 102, wherein, output end and the drive control electricity of voltage-multiplying circuit 101
The first input end on road 102 is connected, the first output end phase of the input and drive control circuit 102 of the output circuit 105 that boosts
Even.
Voltage-multiplying circuit 101 is used for the voltage for producing the integral multiple for the magnitude of voltage that magnitude of voltage is input power.
In the present embodiment, voltage-multiplying circuit 101 can be specifically the voltage-multiplying circuit of all-wave two, by input voltage rectification, boosting
Output steady dc voltage after one times, can also use all-wave voltage tripler to input voltage rectification, twice of boosting it
After export steady dc voltage, the present embodiment is not limited to this.However, it is desirable to explanation, when the liter of voltage-multiplying circuit
It when pressing multiple more, can not only increase the complexity of circuit, and the output current of voltage-multiplying circuit can be reduced, therefore, should basis
It is actually needed the voltage-multiplying circuit for choosing suitable multiple.
The voltage control that drive control circuit 102 is used to be exported according to the second output end of drive control circuit 102 is to storage
Energy circuit 103 charges, and drive control circuit 102 is additionally operable to be controlled to multiplication of voltage according to the voltage of the charge-discharge end of accumulator 103
Electric capacity electric discharge in circuit 101.
In the present embodiment, the voltage of the second output end output of drive control circuit 102 can be specifically drive control
Output voltage of the voltage of the first input end input of circuit 102 after reversal protector (such as diode), can also be
The voltage of the first input end input of drive control circuit 102 output voltage after device etc. after filtering.
In the present embodiment, drive control circuit 102 can export according to the second output end of drive control circuit 102
Voltage control is charged to accumulator 103, and specifically, drive control circuit 102 can be the second of drive control circuit 102
When the voltage of output end output is higher, unnecessary electricity is exported to accumulator 103 and stored, when the institute of voltage-multiplying circuit 101
When the input power of access is without electricity, electric energy can be provided by accumulator 103 for boosting output circuit 105.
In the present embodiment, drive control circuit 102 can be according to the control pair of the voltage of the charge-discharge end of accumulator 103
Electric capacity electric discharge in voltage-multiplying circuit 101, specifically, drive control circuit 102 can be in the charge-discharge end of accumulator 103
During overtension, the electric capacity in voltage-multiplying circuit 101 is discharged, to prevent being overshooted to accumulator 103, causes accumulator
103 damages.
Boosting output circuit 105 is used to export after the boost in voltage of the charge-discharge end of accumulator 103.
In the present embodiment, the output circuit 105 that boosts can specifically include boost chip and its peripheral circuit etc., wherein,
Boost chip can be typically TPS61021A etc., and specifically, boost chip and its peripheral circuit, can by cooperating
To carry out stablizing lifting and export input voltage.
Voltage-stabilizing output circuit 104 is used to the voltage that the second output end of drive control circuit 102 exports being changed into fixation
Voltage output.
In the present embodiment, voltage-stabilizing output circuit 104 can specifically include voltage stabilizing chip and its peripheral circuit etc., wherein,
Voltage stabilizing chip can be typically HT7136 etc., and specifically, voltage stabilizing chip and its peripheral circuit cooperate, and will can drive
The voltage of the second output end output of control circuit 102 is changed into fixed voltage and exported.
It is defeated using voltage-multiplying circuit 101, drive control circuit 102, accumulator 103, voltage stabilizing by the setting of the present embodiment
Go out circuit 104 and boosting output circuit 105 constitutes power supply power-supply circuit, it is online to solve power supply power-supply circuit in the prior art
Power taking efficiency relatively low technical problem during the low current of road, realize when circuit low current, power supply power taking electricity can be substantially improved
The power taking efficiency on road.
Embodiment two
Fig. 2 is a kind of structure chart for power supply electricity getting device that the utility model embodiment two provides.As shown in Fig. 2 this reality
Example is applied to be optimized based on above-described embodiment.
In the present embodiment, voltage-multiplying circuit 101 is specifically optimized for：Diode D1, diode D2, electric capacity C1 and electric capacity
C2；Diode D1 positive pole is connected with the first input end of input power and diode D2 negative pole simultaneously, and diode D1's is negative
Pole is connected with electric capacity C1 positive pole and the output end of voltage-multiplying circuit 101 simultaneously；Electric capacity C1 negative pole simultaneously with input power the
Two inputs are connected with electric capacity C2 positive pole；Electric capacity C2 negative pole ground connection, and be connected with diode D2 positive pole.
Further, voltage-multiplying circuit 101 is optimized for, in addition to：Electric capacity C3；Electric capacity C3 first end and electric capacity C1 is just
Extremely it is connected, electric capacity C3 the second end ground connection；Diode D1 and institute diode D2 is Schottky diode.
In the present embodiment, drive control circuit 102 is specifically optimized for：P-type EMOS pipes Q1, diode D3, electric capacity C4,
N-type EMOS pipes Q2, triode Q3, resistance R1 to resistance R10, first comparator U1, the second comparator U2 and reference voltage chip
U3；P-type EMOS pipes Q1 source ground, and be connected with electric capacity C4 first end, p-type EMOS pipes Q1 grid while and resistance
R10 first end is connected with the second comparator U2 output end, p-type EMOS pipes Q1 drain electrode simultaneously with diode D3 positive pole and
The first input end of drive control circuit 102 is connected；Diode D3 negative pole the second end with electric capacity C4, the of resistance R1 simultaneously
Second output end of one end, N-type EMOS pipes Q2 source electrode and drive control circuit 102 is connected；N-type EMOS pipes Q2 drain electrode is same
When be connected with the first output end of drive control circuit 102 and resistance R9 first end, N-type EMOS pipes Q2 grid simultaneously with electricity
Resistance R1 the second end is connected with triode Q3 colelctor electrode；Triode Q3 grounded emitter, triode Q3 base stage simultaneously with
First comparator U1 output end is connected with resistance R5 first end；First comparator U1 positive power source terminal and boosting output circuit
105 output end is connected, first comparator U1 negative power end ground connection, first comparator U1 in-phase input end while and resistance
R3 first end, resistance R4 first end are connected with resistance R5 the second end, first comparator U1 reverse input end and resistance
R2 first end is connected, and resistance R3 the second end is connected with diode D3 negative pole, resistance R4 the second end ground connection, resistance R2's
Second end is connected with the first end of reference voltage chip U3 negative electrode, resistance R6 first end and resistance R7 simultaneously；Second ratio
Positive power source terminal compared with device U2 is connected with the output end of boosting output circuit 105 and resistance R6 the second end simultaneously, the second comparator
U2 negative power end ground connection, the second comparator U2 in-phase input end simultaneously with resistance R9 the second end and resistance R10 second
End is connected, and the second comparator U2 reverse input end is connected with resistance R7 the second end and resistance R8 first end simultaneously, resistance
R8 the second end ground connection；Reference voltage chip U3 reference pole is connected with negative electrode, reference voltage chip U3 plus earth.
Further, diode D3 is optimized for Schottky diode.
In the present embodiment, boosting output circuit 105 is specifically optimized for：Boost chip U4 and corresponding with boost chip U4
Peripheral circuit.
Further, accumulator 103 is optimized for storage capacitor C8；
Storage capacitor C8 positive pole is connected with the first output end of drive control circuit 102, and storage capacitor C8 negative pole connects
Ground.
Further, boost chip U4 is optimized for TPS61021A；Will peripheral circuit optimization corresponding with boost chip U4
For：Resistance R11 to resistance R13, inductance L1, electric capacity C5 and diode D4；Boost chip U4 the 1st pin and the 9th pin are connected and connect
Ground, boost chip U4 the 5th pin are connected with resistance R11 first end, boost chip U4 the 8th pin simultaneously with resistance R11 the
The input at two ends, inductance L1 first end and the output circuit 105 that boosts is connected, boost chip U4 the 6th pin simultaneously with liter
Pressure chip U4 the 7th pin is connected with inductance L1 the second end, boost chip U4 the 3rd pin simultaneously the 4th pin with boost chip U4,
The positive pole of resistance R12 first end, electric capacity C5 first end and diode D4 is connected, boost chip U4 the 2nd pin simultaneously with
Resistance R12 the second end is connected with resistance R13 first end, and resistance R13 the second end is connected and connect with electric capacity C5 the second end
Ground, diode D4 negative pole are connected with the output end for the output circuit 105 that boosts.
Further, diode D4 is optimized for Schottky diode.
In the present embodiment, voltage-stabilizing output circuit 104 is optimized for：Voltage stabilizing chip U5 and corresponding with voltage stabilizing chip U5 outer
Enclose circuit.
Further, voltage stabilizing chip U5 is optimized for HT7136；Peripheral circuit corresponding with voltage stabilizing chip U5 is optimized for：
Electric capacity C6, electric capacity C7 and diode D5；Voltage stabilizing chip U5 the 1st pin simultaneously with electric capacity C6 first end and electric capacity C7 first end
Be connected and be grounded, voltage stabilizing chip U5 the 2nd pin simultaneously with electric capacity C6 the second end and the input phase of voltage-stabilizing output circuit 104
Even, voltage stabilizing chip U5 the 3rd pin is connected with electric capacity C7 the second end and diode D5 positive pole simultaneously, diode D5 negative pole with
The output end of voltage-stabilizing output circuit 104 is connected.
Further, diode D5 is optimized for Schottky diode.
As shown in Fig. 2 in the present embodiment, voltage-multiplying circuit 101 is the voltage-multiplying circuit of all-wave two, diode D1, diode D2,
The magnitude of voltage of output voltage is promoted to input power by electric capacity C1 and electric capacity C2 due to carrying out rectification, multiplication of voltage to input power
Twice of magnitude of voltage, wherein, electric capacity C1 and electric capacity C2 are used to store electric energy, and the voltage-multiplying circuit of all-wave two belongs to prior art, herein
No longer it is described in detail.
In the present embodiment, drive control circuit 102 accesses the output voltage of voltage-multiplying circuit 101 by diode D3, so
Triode Q3 and N-type EMOS pipes Q2 shut-off is controlled according to diode D3 output voltage VIN afterwards, is controlled with this to accumulator
103 chargings.Specifically, when diode D3 output voltage VIN is more than the voltage of reference voltage chip U3 negative electrodes, and this implementation
When the output voltage VO UT of power supply electricity getting device in example reaches first comparator U1 operating voltage, first comparator U1 outputs
High level so that triode Q3 is turned on, and then N-type EMOS pipes Q2 grounded-grid so that N-type EMOS pipes Q2 is also switched on, now,
Electric capacity C1 in the voltage-multiplying circuit 101 and electric capacity C2 electric energy stored can be exported to storage capacitor C8, be filled for storage capacitor C8
Electricity, when voltage-multiplying circuit 101 is without input power, the electric energy that storage capacitor C8 is stored can be used as boosting output circuit 105
Input voltage, ensure that the load to power supply electricity getting device is effectively powered.
Further, when storage capacitor C8 cathode voltage is higher than the voltage of the second comparator U2 reverse input end (i.e.
Reference voltage chip U3 output voltage is after resistance R7 and resistance R8 partial pressures, the voltage of R8 first end), and in the present embodiment
The output voltage VO UT of power supply electricity getting device when reaching the second comparator U2 operating voltage, the high electricity of the second comparator U2 outputs
It is flat so that p-type EMOS pipes Q1 is turned on, and then discharges the electric energy stored on electric capacity C1 and electric capacity C2, will not be to energy storage electricity with guarantee
Hold C8 overshoots, avoid damaging storage capacitor C8.Wherein, the proportionate relationship of resistance R7 and resistance R8 resistance value is according to energy storage electricity
What the output voltage of the maximum voltage value and reference voltage chip U3 that hold C8 positive pole determined.Wherein, reference voltage chip U3 allusion quotations
Type can be reference voltage chip that reference output voltage is 2.5V etc..In addition, first comparator U1 and the second comparator U2
Can be specifically completely unrelated two independent comparators or two lists being integrated in a comparator chip
Only comparator, the present embodiment are not limited to this.
In the present embodiment, boosting output circuit 105 includes a boost chip U4 and its peripheral circuit, wherein, boosting
Chip U4 is TPS61021A.After the boost in voltage that boost chip U4 inputs the 8th pin, exported from the 3rd pin and the 4th pin, with power supply
The load of source electricity getting device uses.
In the present embodiment, voltage-stabilizing output circuit 104 includes a voltage stabilizing chip U5 and its peripheral circuit, wherein voltage stabilizing core
Piece U5 is HT7136.The voltage that 2nd pin inputs can be changed into fixed voltage by voltage stabilizing chip U5, and (HT7136 output voltage is
3.6V) export, used with the load of power supply source electricity getting device.Further, according to different situations, its alloytype can also be used
Number voltage stabilizing chip, it is, for example, possible to use output voltage is 3V or 3.3V voltage stabilizing chip etc..
It is further to note that in the present embodiment, all diodes are that diode D1 to diode D5 is used
Schottky diode, because the pressure drop of Schottky diode is small, and the power consumed on the schottky diode is low, therefore,
Output voltage VO UT magnitude of voltage can be improved, and then improves the conversion efficiency of input power.
By the setting of the present embodiment, voltage-multiplying circuit 101, drive control circuit 102, accumulator 103, voltage stabilizing are exported
The boosting output circuit 105 of circuit 104 has carried out specific optimization and has obtained the circuit shown in Fig. 2 respectively, realizes when the small electricity of circuit
During stream, the power taking efficiency high of power supply power-supply circuit can be improved, can be with by switching at runtime input circuit when circuit high current
Ensure stable output voltage, while the output circuit 105 that boosts can play storage capacitor C8 maximum efficiency, reduce power supply
The cost of electricity getting device, stable voltage is provided for fault indicator circuit.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is made any formal
Limitation, although the utility model is disclosed above with preferred embodiment, but be not limited to this utility model, it is any
Those skilled in the art, do not departing from the range of technical solutions of the utility model, when the technology using the disclosure above
Content makes a little change or is modified to the equivalent embodiment of equivalent variations, as long as being without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made according to the technical essence of the utility model to above example, still
Belong in the range of technical solutions of the utility model.
Claims (12)
- A kind of 1. power supply electricity getting device, it is characterised in that including：Voltage-multiplying circuit, drive control circuit, accumulator, voltage stabilizing are defeated Go out circuit and boosting output circuit；The voltage-multiplying circuit, the drive control circuit and the boosting output circuit are sequentially connected with, the drive control circuit The second output end be connected with the input of the voltage-stabilizing output circuit, it is described boosting output circuit output end and the voltage stabilizing Second input of the output end of output circuit jointly with the drive control circuit is connected, the charge-discharge end of the accumulator It is connected with the first output end of the drive control circuit, wherein, the output end of the voltage-multiplying circuit and drive control electricity The first input end on road is connected, the first output end phase of the input and the drive control circuit of the boosting output circuit Even；The voltage-multiplying circuit is used for the voltage for producing the integral multiple for the magnitude of voltage that magnitude of voltage is input power；The drive control electricity The voltage control that road is used to be exported according to the second output end of the drive control circuit is charged to the accumulator, the drive Dynamic control circuit is additionally operable to put the electric capacity in the voltage-multiplying circuit according to the control of the voltage of the charge-discharge end of the accumulator Electricity；The accumulator is used to store electric energy, and input voltage is provided for the boosting output circuit；The boosting output circuit is used Exported after by the boost in voltage of the charge-discharge end of the accumulator；The voltage-stabilizing output circuit is used for the drive control The voltage of the second output end output of circuit is changed into fixed voltage output.
- 2. device according to claim 1, it is characterised in that the voltage-multiplying circuit includes：Diode D1, diode D2, Electric capacity C1 and electric capacity C2；The positive pole of the diode D1 is connected with the first input end of the input power and the negative pole of the diode D2 simultaneously, The negative pole of the diode D1 is connected with the positive pole of the electric capacity C1 and the output end of the voltage-multiplying circuit simultaneously；The negative pole of the electric capacity C1 is connected with the second input of the input power and the positive pole of the electric capacity C2 simultaneously；The negative pole ground connection of the electric capacity C2, and be connected with the positive pole of the diode D2.
- 3. device according to claim 2, it is characterised in that also include：Electric capacity C3；The first end of the electric capacity C3 is connected with the positive pole of the electric capacity C1, the second end ground connection of the electric capacity C3；The diode D1 and diode D2 is Schottky diode.
- 4. device according to claim 1, it is characterised in that the drive control circuit includes：P-type EMOS pipes Q1, diode D3, electric capacity C4, N-type EMOS pipes Q2, triode Q3, resistance R1 to resistance R10, first are compared Device U1, the second comparator U2 and reference voltage chip U3；The source ground of the p-type EMOS pipes Q1, and be connected with the first end of the electric capacity C4, the grid of the p-type EMOS pipes Q1 Pole is connected with the first end of the resistance R10 and the output end of the second comparator U2 simultaneously, the leakage of the p-type EMOS pipes Q1 Pole is connected with the positive pole of the diode D3 and the first input end of the drive control circuit simultaneously；The negative pole of the diode D3 simultaneously with the second end of the electric capacity C4, the first end of the resistance R1, the N-type EMOS Second output end of pipe Q2 source electrode and the drive control circuit is connected；The drain electrode of the N-type EMOS pipes Q2 simultaneously with the first output end of the drive control circuit and the resistance R9 first End is connected, the grid of the N-type EMOS pipes Q2 simultaneously with the second end of the resistance R1 and the colelctor electrode phase of the triode Q3 Even；The grounded emitter of the triode Q3, the base stage of the triode Q3 while the output end with the first comparator U1 It is connected with the first end of the resistance R5；The positive power source terminal of the first comparator U1 is connected with the output end of the boosting output circuit, the first comparator U1 Negative power end ground connection, the in-phase input end of the first comparator U1 first end with the resistance R3, the resistance simultaneously R4 first end is connected with the second end of the resistance R5, and the reverse input end of the first comparator U1 is with the resistance R2's First end is connected, and the second end of the resistance R3 is connected with the negative pole of the diode D3, the second end ground connection of the resistance R4, The second end of the resistance R2 simultaneously with the negative electrode of the reference voltage chip U3, the first end of the resistance R6 and the electricity Resistance R7 first end is connected；The positive power source terminal of the second comparator U2 simultaneously with the output end of the boosting output circuit and the resistance R6 the Two ends are connected, the negative power end of the second comparator U2 ground connection, the in-phase input end of the second comparator U2 simultaneously with institute The second end for stating resistance R9 is connected with the second end of the resistance R10, the reverse input end of the second comparator U2 simultaneously with The second end of the resistance R7 is connected with the first end of the resistance R8, the second end ground connection of the resistance R8；The reference pole of the reference voltage chip U3 is connected with negative electrode, the plus earth of the reference voltage chip U3.
- 5. device according to claim 4, it is characterised in that the diode D3 is Schottky diode.
- 6. device according to claim 1, it is characterised in that the accumulator includes storage capacitor；The positive pole of the storage capacitor is connected with the first output end of the drive control circuit, and the negative pole of the storage capacitor connects Ground.
- 7. device according to claim 1, it is characterised in that the boosting output circuit includes：Boost chip U4 and peripheral circuit corresponding with the boost chip U4.
- 8. device according to claim 7, it is characterised in that the boost chip U4 is TPS61021A；The peripheral circuit corresponding with the boost chip U4 includes：Resistance R11 to resistance R13, inductance L1, electric capacity C5 and two Pole pipe D4；The 1st pin and the 9th pin of the boost chip U4 is connected and is grounded, the 5th pin and the resistance R11 of the boost chip U4 First end be connected, the 8th pin of the boost chip U4 the second end with the resistance R11, the first of the inductance L1 simultaneously The input of end and the boosting output circuit is connected, the 6th pin of the boost chip U4 simultaneously with the boost chip U4 The 7th pin be connected with the second end of the inductance L1, the 3rd pin of the boost chip U4 simultaneously with the boost chip U4 the 4 pin, the first end of the resistance R12, the first end of the electric capacity C5 and the diode D4 positive pole are connected, the boosting Chip U4 the 2nd pin is connected with the second end of the resistance R12 and the first end of the resistance R13 simultaneously, the resistance R13's Second end is connected and is grounded with the second end of the electric capacity C5, and the negative pole of the diode D4 is defeated with the boosting output circuit Go out end to be connected.
- 9. device according to claim 8, it is characterised in that the diode D4 is Schottky diode.
- 10. device according to claim 1, it is characterised in that the voltage-stabilizing output circuit includes：Voltage stabilizing chip U5 and peripheral circuit corresponding with the voltage stabilizing chip U5.
- 11. device according to claim 10, it is characterised in that the voltage stabilizing chip U5 is HT7136；The peripheral circuit corresponding with the voltage stabilizing chip U5 includes：Electric capacity C6, electric capacity C7 and diode D5；The 1st pin of the voltage stabilizing chip U5 is connected and connect with the first end of the electric capacity C6 and the first end of the electric capacity C7 simultaneously Ground, the 2nd pin of the voltage stabilizing chip U5 simultaneously with the second end of the electric capacity C6 and the input phase of the voltage-stabilizing output circuit Even, the 3rd pin of the voltage stabilizing chip U5 is connected with the second end of the electric capacity C7 and the positive pole of the diode D5 simultaneously, described Diode D5 negative pole is connected with the output end of the voltage-stabilizing output circuit.
- 12. device according to claim 11, it is characterised in that the diode D5 is Schottky diode.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720762243 | 2017-06-28 | ||
| CN2017207622438 | 2017-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207098728U true CN207098728U (en) | 2018-03-13 |
Family
ID=61544598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720991733.5U Withdrawn - After Issue CN207098728U (en) | 2017-06-28 | 2017-08-09 | Power supply electricity getting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207098728U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276198A (en) * | 2017-06-28 | 2017-10-20 | 北京盈拓润达电气科技有限公司 | Power supply electricity getting device |
| WO2020038156A1 (en) * | 2018-08-20 | 2020-02-27 | 广州驰扬电气机械有限公司 | Drive circuit, and aroma diffuser apparatus |
-
2017
- 2017-08-09 CN CN201720991733.5U patent/CN207098728U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276198A (en) * | 2017-06-28 | 2017-10-20 | 北京盈拓润达电气科技有限公司 | Power supply electricity getting device |
| CN107276198B (en) * | 2017-06-28 | 2023-06-20 | 北京盈拓润达电气科技有限公司 | Power supply electricity taking device |
| WO2020038156A1 (en) * | 2018-08-20 | 2020-02-27 | 广州驰扬电气机械有限公司 | Drive circuit, and aroma diffuser apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203261235U (en) | High-gain SEPIC converter | |
| CN103684214B (en) | A kind of multi-mode wind-and-solar electricity generation system | |
| CN203674793U (en) | On-line power frequency uninterrupted power supply | |
| CN103929058A (en) | Two-phase interleaved converter based on coupled inductors | |
| CN102969917A (en) | Two-way buck-boost direct current (DC) converter applied to energy storage system | |
| CN105245105A (en) | Parallel-serial conversion single tube control high-gain DC voltage-boosting conversion circuit | |
| CN108683247A (en) | A kind of uninterruptible power system and method for hybrid fuel cell and ultracapacitor | |
| CN207098728U (en) | Power supply electricity getting device | |
| CN104617794A (en) | Switch power supply and rectifying circuit | |
| CN203660880U (en) | Two-stage boost topological circuit | |
| CN104811075B (en) | A kind of control method of combined converter | |
| CN103595240A (en) | Device and method for reducing boosting amplitude of Boost type PFC converter | |
| CN208386413U (en) | A kind of Buck converter Bootstrapping drive circuit | |
| CN206498332U (en) | A kind of electric power electric transformer with energy-storage system | |
| WO2020182220A1 (en) | Supercapacitor-based automatic energy-saving system of direct-current high-voltage beam pumping unit | |
| CN108736707A (en) | A kind of BOOST converter with switched inductors structure | |
| CN107276198A (en) | Power supply electricity getting device | |
| CN108322044B (en) | One kind being based on the magnetic-coupled Boost circuit of flyback | |
| CN205792290U (en) | A kind of solar energy inversion system based on electric power detection | |
| CN206272337U (en) | A kind of power supply circuit for 12V uninterrupted power sources | |
| CN205967758U (en) | Realize unloaded energy -conserving control circuit of contravariant welding machine | |
| CN206471913U (en) | Electric power system | |
| CN105356583A (en) | Weak light and weak wind charging control circuit | |
| CN204905976U (en) | Power management means | |
| CN203590061U (en) | Wide input range power factor correction converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180313 Effective date of abandoning: 20230620 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180313 Effective date of abandoning: 20230620 |