CN213151910U - Power supply conversion control circuit and device - Google Patents
Power supply conversion control circuit and device Download PDFInfo
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- CN213151910U CN213151910U CN202022285360.4U CN202022285360U CN213151910U CN 213151910 U CN213151910 U CN 213151910U CN 202022285360 U CN202022285360 U CN 202022285360U CN 213151910 U CN213151910 U CN 213151910U
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Abstract
The utility model discloses a power conversion control circuit and device, the circuit is including integrated three-terminal regulator chip IC2 and integrated three-terminal regulator chip U1, be provided with electric capacity C1 and electric capacity C11 between integrated three-terminal regulator chip IC 2's the Vout end and the Vin end, electric capacity C1's one end is connected with integrated three-terminal regulator chip IC 2's Vin end, electric capacity C11's one end is connected with integrated three-terminal regulator chip IC 2's Vout end, integrated three-terminal regulator chip IC 2's GND end, electric capacity C VIN 1's the other end and electric capacity C11's the other end all ground connection, integrated three-terminal regulator chip IC 2's Vout end connection voltage output, triode Q1's collecting electrode is connected to integrated three-terminal regulator chip IC 2's Vin end, triode Q1's base connection power input. The utility model discloses a power conversion control circuit can convert the anodal 12V direct current voltage of group battery BAT1 into 5VDC and 3.3VDC, guarantee equipment safety, extension equipment life.
Description
Technical Field
The utility model belongs to the technical field of power control, in particular to power supply conversion control circuit and device.
Background
With the rapid development of the automobile industry, the automobile holding capacity of the world is continuously increased, the requirements of a large number of automobiles for after-sale maintenance, emergency rescue and the like are greatly increased day by day, and the requirements on after-sale services before and after sale are higher and higher. When the automobile battery is seriously insufficient or damaged due to short circuit, if the emergency starting power supply is directly connected in parallel, the automobile is not started successfully, and the energy of the emergency starting power supply battery is overdischarged, even permanently damaged. Similarly, after the automobile is started successfully, if the automobile charging system is abnormal, the automobile battery is overcharged and dehydrated due to overhigh charging, and the polar plate is heated and aged, so that the automobile battery is directly damaged in severe cases. On the contrary, the charging voltage is too low, so that the automobile battery is in a half full-charge state or a power-loss state for a long time, and the battery can accelerate crystallization and aging of a battery pole plate even the service life of the battery is terminated if the battery is not normally fully charged and maintained for a long time.
In the existing automobile emergency rescue technology, power supply conversion control cannot be carried out, so that the power supply is easy to over-discharge loss, and the service life of the power supply is shortened.
Therefore, a power conversion control circuit and apparatus are needed to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides a power conversion control circuit, which includes an integrated three-terminal regulator IC2 and an integrated three-terminal regulator IC 1, a capacitor C1 and a capacitor C11 are disposed between the Vout terminal and the Vin terminal of the integrated three-terminal regulator IC2, one end of the capacitor C1 is connected to the Vin terminal of the integrated three-terminal regulator IC2, one end of the capacitor C11 is connected to the Vout terminal of the integrated three-terminal regulator IC2, the GND terminal of the integrated three-terminal regulator IC2, the other end of the capacitor C1 and the other end of the capacitor C11 are all grounded, the Vout terminal of the integrated three-terminal regulator IC2 is connected to a voltage output, the Vin terminal of the integrated three-terminal regulator IC2 is connected to the collector of a transistor Q1, the base of the transistor Q1 is connected to a power input Vin, the base of the transistor Q1 is further connected to the collector of a transistor Q2 through a resistor R6, and the emitter of the transistor Q1 is connected to the collector of the transistor Q2 through a resistor R1, the emitter of the triode Q1 is further connected with the cathode of a diode D3, the anode of the diode D3 is connected with the anode of a battery pack BAT1, the emitter of the triode Q2 is grounded, the base of the triode Q2 is connected with one end of a resistor R2, the other end of the resistor R2 is respectively connected with the cathode of the diode D5 and the cathode of the diode D6, the anode of the diode D5 is connected with a voltage input VI, the anode of the diode D6 is connected with an external output anode OUT +, the Vin end of the integrated three-terminal voltage stabilization chip IC2 is connected with the Vin end of the integrated three-terminal voltage stabilization chip U1, and the Vout end of the integrated three-terminal voltage stabilization chip U1 is connected with a voltage output.
Further, the anode of the diode D3 is also connected to the anode of the diode D1, and the cathode of the diode D1 is connected to the power source VD.
Further, a capacitor C6 and a capacitor C13 are arranged between the Vin end and the Vout end of the integrated three-terminal voltage stabilizing chip U1, one end of the capacitor C6 is connected with the Vin end of the integrated three-terminal voltage stabilizing chip U1, the other end of the capacitor C6 is grounded, one end of the capacitor C13 is connected with the Vout end of the integrated three-terminal voltage stabilizing chip U1, and the other end of the capacitor C13 is grounded.
Furthermore, the GND end of the integrated three-terminal voltage stabilization chip U1 is connected with one end of a resistor R27, and the other end of the resistor R27 is grounded.
Furthermore, the GND terminal of the integrated three-terminal voltage stabilization chip U1 is connected with the Vout terminal through a resistor R26.
The utility model also provides a power supply changeover control device, the device includes foretell power supply changeover control circuit.
The utility model discloses a power conversion control circuit can convert the anodal 12V direct current voltage of group battery BAT1 into 5VDC and 3.3VDC, guarantee equipment safety, extension equipment life.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 shows a schematic diagram of a power conversion control circuit according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a power conversion control circuit, exemplarily, as shown in fig. 1, the circuit includes integrated three-terminal regulator chip IC2 and integrated three-terminal regulator chip U1, be provided with electric capacity C1 and electric capacity C11 between the Vout end of integrated three-terminal regulator chip IC2 and the Vin end, electric capacity C1's one end is connected with integrated three-terminal regulator chip IC 2's Vin end, electric capacity C11's one end is connected with integrated three-terminal regulator chip IC 2's Vout end, integrated three-terminal regulator chip IC 2's GND end, electric capacity C1's the other end and electric capacity C11's the other end all ground connection, integrated three-terminal regulator chip IC 2's Vout end connects voltage output, integrated three-terminal regulator chip IC 2's Vin end connects the collecting electrode of triode Q1, the base of triode Q1 connects power input VIN, the base of triode Q1 still passes through resistance R6 and is connected with triode Q2's collecting electrode, an emitter of the triode Q1 is connected with a collector of the triode Q2 through a resistor R1, an emitter of the triode Q1 is further connected with a cathode of a diode D3, an anode of the diode D3 is connected with an anode of a battery pack BAT1, an emitter of the triode Q2 is grounded, a base of the triode Q2 is connected with one end of a resistor R2, the other end of the resistor R2 is respectively connected with a cathode of a diode D5 and a cathode of the diode D6, an anode of the diode D5 is connected with a voltage input VI, an anode of the diode D6 is connected with an external output anode OUT +, a Vin end of the integrated three-terminal regulator chip IC2 is connected with a Vin end of the integrated three-terminal regulator chip U1, and a Vout end of the integrated three-terminal regulator chip U1 is connected with a voltage output.
The anode of the diode D3 is also connected with the anode of a diode D1, and the cathode of the diode D1 is connected with a power supply VD.
A capacitor C6 and a capacitor C13 are arranged between the Vin end and the Vout end of the integrated three-terminal voltage stabilizing chip U1, one end of the capacitor C6 is connected with the Vin end of the integrated three-terminal voltage stabilizing chip U1, the other end of the capacitor C6 is grounded, one end of the capacitor C13 is connected with the Vout end of the integrated three-terminal voltage stabilizing chip U1, and the other end of the capacitor C13 is grounded.
The GND end of the integrated three-terminal voltage-stabilizing chip U1 is connected with one end of a resistor R27, and the other end of the resistor R27 is grounded.
The GND end of the integrated three-end voltage-stabilizing chip U1 is connected with the Vout end through a resistor R26.
The utility model also provides a power supply changeover control device, the device includes foretell power supply changeover control circuit.
In this embodiment, the positive electrode of the first battery pack BAT1 passes through the diode D3 to the emitter of the transistor Q1, and simultaneously passes through the resistor R1 and the resistor R6 to the base of the transistor Q1. When the clamp is connected to the positive pole and the negative pole of the automobile battery, the positive voltage on the automobile battery is outwards output to the positive pole OUT + to the diode D6 and the resistor R2 to drive the triode Q2 to be conducted, when the triode Q2 is conducted, the base potential of the triode Q1 is pulled down to enable the triode Q1 to be biased and conducted, and after the voltage reaches the integrated three-terminal voltage stabilizing chip IC2 and U1 through the triode Q1, the 12V direct-current voltage of the positive pole of the first battery pack BAT1 is converted into 5VDC and 3.3VDC to provide a working power supply.
The embodiment of the utility model provides a through power conversion control circuit, can convert the anodal 12V direct current voltage of group battery BAT1 into 5VDC and 3.3VDC, guarantee equipment safety, extension equipment life.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. A power conversion control circuit is characterized by comprising an integrated three-terminal voltage-stabilizing chip IC2 and an integrated three-terminal voltage-stabilizing chip U1, wherein a capacitor C1 and a capacitor C11 are arranged between a Vout end and a Vin end of the integrated three-terminal voltage-stabilizing chip IC2, one end of the capacitor C1 is connected with the Vin end of the integrated three-terminal voltage-stabilizing chip IC2, one end of the capacitor C11 is connected with the Vout end of the integrated three-terminal voltage-stabilizing chip IC2, a GND end of the integrated three-terminal voltage-stabilizing chip IC2, the other end of the capacitor C1 and the other end of the capacitor C11 are all grounded, the Vout end of the integrated three-terminal voltage-stabilizing chip IC2 is connected with a voltage output, the Vin end of the integrated three-terminal voltage-stabilizing chip IC2 is connected with a collector of a triode Q1, a base of the triode Q1 is connected with a power input, the base of the triode Q1 is further connected with the collector of a triode Q2 through a resistor R6, an emitter of the, the emitter of the triode Q1 is further connected with the cathode of a diode D3, the anode of the diode D3 is connected with the anode of a battery pack BAT1, the emitter of the triode Q2 is grounded, the base of the triode Q2 is connected with one end of a resistor R2, the other end of the resistor R2 is respectively connected with the cathode of the diode D5 and the cathode of the diode D6, the anode of the diode D5 is connected with a voltage input VI, the anode of the diode D6 is connected with an external output anode OUT +, the Vin end of the integrated three-terminal voltage stabilization chip IC2 is connected with the Vin end of the integrated three-terminal voltage stabilization chip U1, and the Vout end of the integrated three-terminal voltage stabilization chip U1 is connected with a voltage output.
2. The power conversion control circuit according to claim 1, wherein the anode of the diode D3 is further connected to the anode of a diode D1, and the cathode of the diode D1 is connected to the power source VD.
3. The power conversion control circuit according to claim 2, wherein a capacitor C6 and a capacitor C13 are disposed between the Vin terminal and the Vout terminal of the integrated three-terminal regulator chip U1, one end of the capacitor C6 is connected to the Vin terminal of the integrated three-terminal regulator chip U1, the other end of the capacitor C6 is grounded, one end of the capacitor C13 is connected to the Vout terminal of the integrated three-terminal regulator chip U1, and the other end of the capacitor C13 is grounded.
4. The power conversion control circuit of claim 3, wherein the GND terminal of the integrated three-terminal regulator chip U1 is connected to one terminal of a resistor R27, and the other terminal of the resistor R27 is grounded.
5. The power conversion control circuit of claim 4, wherein the GND terminal of the integrated three-terminal regulator chip U1 is connected to the Vout terminal through a resistor R26.
6. A power supply changeover control device characterized in that it comprises a power supply changeover control circuit according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022285360.4U CN213151910U (en) | 2020-10-14 | 2020-10-14 | Power supply conversion control circuit and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022285360.4U CN213151910U (en) | 2020-10-14 | 2020-10-14 | Power supply conversion control circuit and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213151910U true CN213151910U (en) | 2021-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022285360.4U Active CN213151910U (en) | 2020-10-14 | 2020-10-14 | Power supply conversion control circuit and device |
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| Country | Link |
|---|---|
| CN (1) | CN213151910U (en) |
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2020
- 2020-10-14 CN CN202022285360.4U patent/CN213151910U/en active Active
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