CN117477707B - PD that fixed effect is good fills soon - Google Patents
PD that fixed effect is good fills soon Download PDFInfo
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- CN117477707B CN117477707B CN202311390982.5A CN202311390982A CN117477707B CN 117477707 B CN117477707 B CN 117477707B CN 202311390982 A CN202311390982 A CN 202311390982A CN 117477707 B CN117477707 B CN 117477707B
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- 230000000694 effects Effects 0.000 title abstract description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Voltage And Current In General (AREA)
Abstract
The invention discloses a PD quick charge with good fixing effect, which relates to the field of power distribution circuits and comprises a distribution circuit, a control chip, an input power supply and a load, wherein the distribution circuit is connected with the input power supply and the control chip, the load is connected with the distribution circuit, the distribution circuit is provided with a plurality of distribution circuits, the control chip inputs different preset voltage signals of an output power supply to each distribution circuit, and each distribution circuit outputs a power supply signal to the load based on the preset voltage signals. The invention does not need to fix the power supply of the PD quick charge, and can automatically adjust the actual output power supply of the quick charge port when the power supply is replaced.
Description
Technical Field
The invention relates to the field of power distribution circuits, in particular to a PD quick charge with a good fixing effect.
Background
When the maximum output power of the port of the PD fast charge is distributed at the maximum output power of the unlimited port, according to automatic distribution, when the power output of one port of the PD fast charge is improved, the output of the other port is reduced, and the maximum output of the limiting port is distributed according to the quantity of the fast charge ports.
Disclosure of Invention
The invention aims to provide a PD quick-charging power distribution circuit which comprises a distribution circuit, a control chip, an input power supply and a load, wherein the distribution circuit is connected with the input power supply and the control chip, the load is connected with the distribution circuit, a plurality of distribution circuits are arranged, the control chip inputs different preset voltage signals of an output power supply to each distribution circuit, and each distribution circuit outputs a power supply signal to the load based on the preset voltage signals.
Further, the distribution circuit includes a first digital potentiometer U1, a second operational amplifier U2, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a first MOS transistor Q1, a first connection pin X1, a second connection pin X2, and a third connection pin X3, a 12 pin of the first digital potentiometer U1 is connected to one end of the first resistor R1, the other end of the first resistor R1 is connected to the first connection pin X1, an 11 pin, a 10 pin, and a 14 pin of the first digital potentiometer U1 are connected to one end of the second resistor R2, a 4 pin of the first digital potentiometer U1 is connected to a power supply, a5 pin of the first digital potentiometer U1 is connected to one end of the fourth resistor R4, a source of the first MOS transistor Q1 is connected to a drain electrode, a gate of the first MOS transistor Q1 is connected to one end of the first resistor R1, a 1 pin of the second operational amplifier U2 is connected to one end of the second resistor R2, a 3 pin of the first digital potentiometer U1 is connected to one end of the third resistor R3, and a5 pin of the first digital potentiometer U1 is connected to one end of the third resistor R2.
Further, the distribution circuit further includes a third operational amplifier U3, a sixth resistor R6, a seventh resistor R7, a second MOS transistor Q2, a third MOS transistor Q3, a fourth connection pin X4, and a first latch switch SW1, where the 1 pin of the third operational amplifier U3 is connected to one end of the third resistor R3, the 3 pin of the third operational amplifier U3 is connected to the anode of the first diode D1, the anode of the second diode D2, one end of the sixth resistor R6, one end of the seventh resistor R7, the other end of the sixth resistor R6 is connected to a power supply, the cathode of the first diode D1 is connected to the cathode of the third thyristor D3, the anode of the third thyristor D3 is connected to the anode of the fourth thyristor D4, one end of the first latch switch SW1, the control electrode of the third thyristor D3, the source of the second MOS transistor Q2 is connected, the cathode of the second diode D2 is connected to the cathode of the fourth thyristor D4, the control electrode of the fourth thyristor D4 is connected to the drain of the third diode Q3, the gate of the third thyristor D3 is connected to the drain of the third diode Q2, the other end of the third thyristor is connected to the other end of the fourth resistor SW1, and the other end of the fourth resistor is connected to the other end of the fourth resistor X1.
Further, the distribution circuit further comprises a fourth triode Q4, a fifth connection pin X5 and an eighth resistor R8, the collector of the fourth triode Q4 is connected with the 12 pins of the first digital potentiometer U1, the base of the fourth triode Q4 is connected with one end of the fifth connection pin X5 and one end of the eighth resistor R8, the emitter of the fourth triode Q4 is connected with the third connection pin X3, and the other end of the eighth resistor R8 is connected with the ground terminal.
Further, the distribution circuit further comprises a ninth resistor R9, a tenth resistor R10 and an eleventh resistor R11, one end of the nineteenth resistor R19 is connected with the cathode of the first diode D1, one end of the tenth resistor R10 is connected with the cathode of the second diode D2, one end of the eleventh resistor R11 is connected with the control electrode of the fourth silicon controlled rectifier D4, and the other end of the ninth resistor R9, the other end of the tenth resistor R10, the other end of the eleventh resistor R11 and the ground terminal are connected.
Further, the distribution circuit further comprises a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14 and a fifteenth humidity resistor R15, one end of the twelfth resistor R12 is connected with a power supply, the other end of the twelfth resistor R12 is connected with a source electrode of the third MOS tube Q3 and one end of the thirteenth resistor R13, one end of the fifteenth humidity resistor R15 is connected with the power supply, the other end of the fifteenth humidity resistor R15 is connected with a drain electrode of the second MOS tube Q2 and one end of the fourteenth resistor R14, and the other end of the thirteenth resistor R13 and the other end of the fourteenth resistor R14 are connected with a grounding end.
Further, the distribution circuit further comprises a sixteenth resistor R16 and a seventeenth resistor R17, one end of the sixteenth resistor R16 is connected with the 2 pin of the third operational amplifier U3, one end of the seventeenth resistor R17 is connected, the other end of the sixteenth resistor R16 is connected with the ground terminal, and the other end of the seventeenth resistor R17 is connected with a power supply.
Further, the distribution circuit further comprises an eighteenth resistor R18 and a nineteenth resistor R19, one end of the eighteenth resistor R18 is connected with the control electrode of the third silicon controlled rectifier D3, one end of the nineteenth resistor R19 is connected with the grid electrode of the third MOS tube Q3, and the other end of the eighteenth resistor R18 and the other end of the nineteenth resistor R19 are connected with the grounding end.
Further, PD that fixed effect is good fills soon, including two cross fastening strips, counter weight bag, elastic cord resets, PD fills soon and embolias in two cross fastening strips, and the counter weight bag is fixed in two cross fastening strips below, and elastic cord both ends and two cross fastening strips that reset are connected for when no PD fills soon, two cross fastening strips reset.
Compared with the prior art, the invention has the beneficial effects that:
the invention does not need to fix the power supply of the PD quick charge, and can automatically adjust the actual output power supply of the quick charge port when the power supply is replaced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the prior art and the embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an overall structure provided by the present invention.
Fig. 2 is a schematic diagram of a distribution circuit according to the present invention.
Detailed Description
In order that the objects and advantages of the invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, it being understood that the following text is only intended to describe one or more specific embodiments of the invention and is not intended to limit the scope of the invention as defined in the appended claims.
Referring to fig. 1 and 2, the invention relates to a PD fast charging power distribution circuit, which comprises a distribution circuit, a control chip, an input power supply and a load, wherein the distribution circuit is connected with the input power supply and the control chip, the load is connected with the distribution circuit, the distribution circuit is multiple, the control chip inputs different output power supply preset voltage signals to each distribution circuit, and each distribution circuit outputs a power supply signal to the load based on the preset voltage signals.
Specifically, the distribution circuit includes a first digital potentiometer U1, a second operational amplifier U2, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a first MOS transistor Q1, a first connection pin X1, a second connection pin X2, and a third connection pin X3, a 12 pin of the first digital potentiometer U1 is connected to one end of the first resistor R1, the other end of the first resistor R1 is connected to the first connection pin X1, an 11 pin, a 10 pin, and a 14 pin of the first digital potentiometer U1 are connected to one end of the second resistor R2, a 4 pin of the first digital potentiometer U1 is connected to a power supply, a 5 pin of the first digital potentiometer U1 is connected to one end of the fourth resistor R4, a source of the first MOS transistor Q1 is connected to a drain electrode of the power supply, a gate of the first MOS transistor Q1 is connected to one end of the second operational amplifier U2, a1 pin of the second digital potentiometer U2 is connected to one end of the second resistor R2, and a 3 pin of the first digital potentiometer U1 is connected to one end of the third resistor R3.
Specifically, the distribution circuit further comprises a third operational amplifier U3, a sixth resistor R6, a seventh resistor R7, a second MOS tube Q2, a third MOS tube Q3, a fourth connection pin X4 and a first locking switch SW1, wherein the 1 pin of the third operational amplifier U3 is connected with one end of the third resistor R3, the 3 pin of the third operational amplifier U3 is connected with the anode of the first diode D1, the anode of the second diode D2, one end of the sixth resistor R6 and one end of the seventh resistor R7, the other end of the sixth resistor R6 is connected with a power supply, the anode of the first diode D1 is connected with the cathode of the third MOS tube Q2, the anode of the third MOS tube D3 is connected with the anode of the fourth thyristor D4, one end of the first locking switch SW1, the control electrode of the third thyristor D3, the source of the second MOS tube Q2 is connected, the cathode of the second diode D2 is connected with the cathode of the fourth thyristor D4, the control electrode of the fourth thyristor D4 is connected with the drain of the third MOS tube Q3, the gate of the third diode D3 is connected with the drain of the third MOS tube Q2, the other end of the third MOS tube Q2 is connected with the other end of the fourth MOS tube Q2, and the other end of the third MOS tube is connected with the other end of the fourth MOS tube Q1.
Specifically, the distribution circuit further comprises a fourth triode Q4, a fifth connection pin X5 and an eighth resistor R8, the collector of the fourth triode Q4 is connected with the 12 pins of the first digital potentiometer U1, the base of the fourth triode Q4 is connected with one end of the fifth connection pin X5 and one end of the eighth resistor R8, the emitter of the fourth triode Q4 is connected with the third connection pin X3, and the other end of the eighth resistor R8 is connected with the ground terminal.
Specifically, the distribution circuit further comprises a ninth resistor R9, a tenth resistor R10 and an eleventh resistor R11, one end of the nineteenth resistor R19 is connected with the cathode of the first diode D1, one end of the tenth resistor R10 is connected with the cathode of the second diode D2, one end of the eleventh resistor R11 is connected with the control electrode of the fourth silicon controlled rectifier D4, and the other end of the ninth resistor R9, the other end of the tenth resistor R10, the other end of the eleventh resistor R11 and the ground terminal are connected.
Specifically, the distribution circuit further comprises a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14 and a fifteenth humidity resistor R15, one end of the twelfth resistor R12 is connected with a power supply, the other end of the twelfth resistor R12 is connected with a source electrode of the third MOS tube Q3, one end of the thirteenth resistor R13 is connected with the power supply, one end of the fifteenth humidity resistor R15 is connected with a drain electrode of the second MOS tube Q2 and one end of the fourteenth resistor R14, and the other end of the thirteenth resistor R13 and the other end of the fourteenth resistor R14 are connected with a grounding end.
Specifically, the distribution circuit further comprises a sixteenth resistor R16 and a seventeenth resistor R17, one end of the sixteenth resistor R16 is connected with the 2 pin of the third operational amplifier U3, one end of the seventeenth resistor R17 is connected, the other end of the sixteenth resistor R16 is connected with the ground terminal, and the other end of the seventeenth resistor R17 is connected with a power supply.
Specifically, the distribution circuit further comprises an eighteenth resistor R18 and a nineteenth resistor R19, one end of the eighteenth resistor R18 is connected with the control electrode of the third silicon controlled rectifier D3, one end of the nineteenth resistor R19 is connected with the grid electrode of the third MOS tube Q3, and the other end of the eighteenth resistor R18 and the other end of the nineteenth resistor R19 are connected with the grounding end.
The utility model provides a fixed effectual PD fills soon, includes two cross fastening strips, counter weight bag, resets the elastic cord, PD fills soon and embolias in two cross fastening strips, and the counter weight bag is fixed in two cross fastening strips below, resets the elastic cord both ends and is connected with two cross fastening strips for when no PD fills soon, two cross fastening strips reset.
In the first embodiment, the first connection pin X1 is connected with an input power supply for fast charging and supplying, the second connection pin X2 receives a charging voltage signal limited by a load peripheral fed back by a main control chip, the third connection pin X3 outputs a fast charging actual charging voltage signal, the 12 pin of the first digital potentiometer U1 is directly connected with the third connection pin X3 when the first connection pin X1 is not changed greatly, the second operational amplifier U2 detects the output of the third connection pin X3, a first digital potentiometer U1 adjustment control signal needing feedback is fed back to the 5 pin of the first digital potentiometer U1 through the first MOS transistor Q1, the third resistor R3 and the fourth resistor R4 are used for pulling down the 3 pin and the 5 pin of the first digital potentiometer U1 when the second operational amplifier U2 outputs a low single-chip signal, the first connection pin X1 power signal on the isolation side is fed back to the third connection pin X3 after passing through the first digital potentiometer U1 after being adjusted, and when the power distribution limitation of the peripheral needs to be changed, that is not needed, namely, the first connection pin X3 needs to be changed, i.e. the first connection pin X1 does not need to be changed, and the input power supply is not need to be changed.
In the second embodiment, considering that the magnitude of the power input to the first connection pin X1 is not fixed, that is, the directions of the two adjustment states are opposite when the power voltage input later is higher than before or lower than before, the two adjustment states can be completed only by judging the magnitude of the third connection pin X3, so that when the first digital potentiometer U1 performs automatic adjustment, the 3 pin of the first digital potentiometer U1 is connected with the 1 pin of the third operational amplifier U3, the second operational amplifier U2 also feeds back the signals to the second MOS transistor Q2 and the third MOS transistor Q3 when the first digital potentiometer U1 adjustment control signal is output, the fourth connection pin X4 is used for outputting the signals to the first locking switch SW1 when the first connection pin X1 is replaced, and the initial logic is that when the second operational amplifier U2 outputs any signal, the second MOS transistor Q2 or the third MOS transistor Q3 is turned on, after the second MOS transistor Q2 is turned on, the fifteenth humidity sensitive resistor R15 power signal is reversely biased through the second MOS transistor Q2, the third thyristor D3, and the ninth resistor R9 loop, the first diode D1 is reversely biased, the sixth resistor R6 power signal is reversely output through the second diode D2 and the tenth resistor R10 loop, when the first digital potentiometer U1 completes the adjustment, the second operational amplifier U2 is reversely output, the third MOS transistor Q3 is turned on, the twelfth resistor R12 power signal is reversely biased through the fourth thyristor D4 and the tenth resistor R10 loop, the second diode D2 outputs the signal to the 3 pin of the first digital potentiometer U1, no matter what adjustment state the first digital potentiometer U1 is in after the first connection pin X1 is replaced, when the third operational amplifier U3 outputs the interrupt signal to the first digital potentiometer U1, the first digital potentiometer U1 can stop the adjustment, the fifteenth humidity resistor R15 and the twelfth resistor R12 can be replaced by reference power signals corresponding to the second MOS tube Q2 and the third MOS tube Q3 when the power supply module is used, the ninth resistor R9 and the tenth resistor R10 can be connected with a port of a control chip, and the port is provided with a pull-down resistor to provide a signal acquisition loop and perform self selection according to requirements.
In the third embodiment, a fourth triode Q4 is connected in series between the 12 pin of the first digital potentiometer U1 and the third connection pin X3, the fifth connection pin X5 outputs a power supply start signal for the third connection pin X3, the first digital potentiometer U1 stops the signal input of the fifth connection pin X5 in the adjustment process, the third connection pin X3 is prevented from being high-voltage when the first connection pin X1 is replaced, the seventeenth resistor R17 and the sixteenth resistor R16 are used for inputting a reference signal into the 2 pin of the third operational amplifier U3, and the configurable pins are connected through plugging a power supply and are lower than the partial pressure of the sixth resistor R6 and the seventh resistor R7 when the first diode D1 and the second diode D2 are reversely biased.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (1)
1. The PD fast charging power distribution circuit is characterized by comprising distribution circuits, a control chip, an input power supply and a load, wherein the distribution circuits are connected with the input power supply and the control chip, the load is connected with the distribution circuits, a plurality of distribution circuits are arranged, the control chip inputs different preset voltage signals of an output power supply to each distribution circuit, and each distribution circuit outputs a power supply signal to the load based on the preset voltage signals;
The distribution circuit comprises a first digital potentiometer, a second operational amplifier, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a first MOS tube, a first connecting pin, a second connecting pin and a third connecting pin, wherein the 12 pin of the first digital potentiometer is connected with one end of the first resistor, the other end of the first resistor is connected with one end of the first connecting pin, the 11 pin, the 10 pin and the 14 pin of the first digital potentiometer are connected with one end of the second resistor, the 4 pin of the first digital potentiometer is connected with a power supply, the 3 pin of the first digital potentiometer is connected with one end of the third resistor, the 5 pin of the first digital potentiometer is connected with one end of the fourth resistor, the source electrode of the first MOS tube is connected with the power supply, the grid electrode of the first MOS tube is connected with the 1 pin of the second operational amplifier, the 3 pin of the second operational amplifier is connected with one end of the third connecting pin and the fifth resistor, and the 2 pin of the second operational amplifier is connected with the second connecting pin;
The distribution circuit further comprises a third operational amplifier, a sixth resistor, a seventh resistor, a second MOS tube, a third MOS tube, a fourth connection pin and a first locking switch, wherein the 1 pin of the third operational amplifier is connected with one end of the third resistor, the 3 pin of the third operational amplifier is connected with the anode of the first diode, the anode of the second diode, one end of the sixth resistor and one end of the seventh resistor, the other end of the sixth resistor is connected with a power supply, the cathode of the first diode is connected with the cathode of the third silicon controlled rectifier, the anode of the third silicon controlled rectifier is connected with the anode of the fourth silicon controlled rectifier, one end of the first locking switch, the control electrode of the third silicon controlled rectifier and the source electrode of the second MOS tube are connected, the grid electrode of the third MOS tube is connected with the grid electrode of the second MOS tube, the 1 pin of the second operational amplifier, the control end of the first locking switch is connected with the fourth connection pin, the other end of the first locking switch is connected with the power supply, and the other end of the seventh resistor is connected with the ground terminal;
The distribution circuit further comprises a fourth triode, a fifth connecting pin and an eighth resistor, wherein the collector electrode of the fourth triode is connected with the 12 pin of the first digital potentiometer, the base electrode of the fourth triode is connected with one end of the fifth connecting pin and one end of the eighth resistor, the emitter electrode of the fourth triode is connected with the third connecting pin, and the other end of the eighth resistor is connected with the ground terminal;
The distribution circuit further comprises a ninth resistor, a tenth resistor and an eleventh resistor, one end of the ninth resistor is connected with the cathode of the first diode, one end of the tenth resistor is connected with the cathode of the second diode, one end of the eleventh resistor is connected with the fourth silicon controlled rectifier control electrode, and the other end of the ninth resistor, the other end of the tenth resistor, the other end of the eleventh resistor and the ground end are connected;
The distribution circuit further comprises a twelfth resistor, a thirteenth resistor, a fourteenth resistor and a fifteenth humidity-sensitive resistor, one end of the twelfth resistor is connected with a power supply, the other end of the twelfth resistor is connected with a source electrode of the third MOS tube and one end of the thirteenth resistor, one end of the fifteenth humidity-sensitive resistor is connected with the power supply, the other end of the fifteenth humidity-sensitive resistor is connected with a drain electrode of the second MOS tube and one end of the fourteenth resistor, and the other end of the thirteenth resistor and the other end of the fourteenth resistor are connected with a ground terminal;
the distribution circuit further comprises a sixteenth resistor and a seventeenth resistor, one end of the sixteenth resistor is connected with the 2 pin of the third operational amplifier and one end of the seventeenth resistor, the other end of the sixteenth resistor is connected with the grounding end, and the other end of the seventeenth resistor is connected with the power supply;
the distribution circuit further comprises an eighteenth resistor and a nineteenth resistor, one end of the eighteenth resistor is connected with the third silicon controlled rectifier control electrode, one end of the nineteenth resistor is connected with the grid electrode of the third MOS tube, and the other end of the eighteenth resistor, the other end of the nineteenth resistor and the grounding end are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311390982.5A CN117477707B (en) | 2023-10-25 | 2023-10-25 | PD that fixed effect is good fills soon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311390982.5A CN117477707B (en) | 2023-10-25 | 2023-10-25 | PD that fixed effect is good fills soon |
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| Publication Number | Publication Date |
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| CN117477707A CN117477707A (en) | 2024-01-30 |
| CN117477707B true CN117477707B (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311390982.5A Active CN117477707B (en) | 2023-10-25 | 2023-10-25 | PD that fixed effect is good fills soon |
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| CN219018517U (en) * | 2022-12-23 | 2023-05-12 | 福建新大陆支付技术有限公司 | System for negotiating and adjusting power supply capacity with power adapter |
| CN219554615U (en) * | 2023-01-13 | 2023-08-18 | 深圳市瑞明微电子有限公司 | C mouth one drags three DCDC step-down quick charge line |
| CN116749811A (en) * | 2023-08-10 | 2023-09-15 | 湖南艾德迅电气科技股份有限公司 | Intelligent charger for new energy automobile |
| CN116896140A (en) * | 2023-09-11 | 2023-10-17 | 兴化市远洋机械有限公司 | Charging distribution circuit for marine vessel |
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| CN117477707A (en) | 2024-01-30 |
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