CN216489869U - Charging system with adjustable - Google Patents
Charging system with adjustable Download PDFInfo
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- CN216489869U CN216489869U CN202220001152.3U CN202220001152U CN216489869U CN 216489869 U CN216489869 U CN 216489869U CN 202220001152 U CN202220001152 U CN 202220001152U CN 216489869 U CN216489869 U CN 216489869U
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Abstract
The utility model relates to a charging system with adjustable belongs to the automatic technical field that charges, including the external plug who is used for lug connection external power source, external plug is connected with this system electricity, still includes rechargeable battery, and this system still includes power supply unit, judges unit and charging unit, power supply unit's input is connected external plug, power supply unit's output is as the voltage source of judging unit and charging unit, judge the input connection rechargeable battery's of unit positive pole for gather rechargeable battery's the information of lighting, charging unit's input is connected judge the output of unit, rechargeable power source's output you with rechargeable battery lug connection is used for doing rechargeable battery charges, and this scheme has safety, stable technological effect.
Description
Technical Field
The utility model belongs to the technical field of automatic charging, a charging system with adjustable is related to.
Background
In the prior art, a charging system comprises an AC/DC conversion circuit, and a DC output side is used as a voltage source to supply power to a battery, an input side of the charging system is often an alternating current voltage, a post-stage circuit needs to be supported by a direct current voltage source, wherein the AC/DC conversion circuit can convert an input alternating current into a direct current, and an inverter requires a direct current power supply to provide a stable voltage; the voltage required by the storage battery from the direct current power supply can change along with the charging process of the storage battery.
Disclosure of Invention
The utility model discloses a solve above-mentioned problem, designed a charging system with adjustable, had safety and stability's characteristics.
The utility model discloses a concrete technical scheme is:
an adjustable charging system comprises an external plug for directly connecting with an external power supply, the external plug is electrically connected with the system, the system also comprises a rechargeable battery, a power supply unit, a judgment unit and a charging unit,
the power supply unit is used for converting the alternating voltage source into a direct voltage source for supplying power to the system;
the judging unit is used for controlling the charging and the power-off of the rechargeable battery;
the charging unit is used for charging the rechargeable battery according to the command of the judging unit;
the input of power supply unit is connected external plug, power supply unit's output is as the voltage source of judging unit and charging unit, the input connection rechargeable battery's of judging unit positive pole for gather rechargeable battery's the information of lighting, charging unit's input is connected the output of judging unit, charging source's output with rechargeable battery lug connection is used for doing rechargeable battery charges.
As a further optimization of the scheme, the power supply unit comprises a transformer XFR1, a diode D5, a voltage regulator tube D7 and a resistor R2, the primary side of the transformer XFR1 is used as the input end of the power supply unit, the secondary side of the transformer XFR1 is connected with the anode of the voltage regulator tube D7, the cathode of the voltage regulator tube D7 is grounded through a resistor R2 and a voltage regulator tube D7 which are connected in series, the serial point of the diode D5 and the resistor R2 is connected with a capacitor C1 which is grounded, and the cathode of the diode D5 is used as a voltage source of the system.
As a further optimization of the scheme, the power supply unit further comprises a voltage prompting module, the voltage prompting module comprises a diode D6, a resistor R1 and a light emitting diode LED1, the secondary side of the transformer XFR1 is connected with the anode of the diode D6, and the cathode of the diode D6 is connected with the resistor R1 and the light emitting diode LED1 which are connected in series and grounded.
As a further optimization of the present solution, the determining unit includes transistors Q1-Q7, the transistors Q1, Q2 and Q7 are NPN transistors, the transistors Q3, Q4, Q5 and Q6 are PNP transistors, a reference voltage is further provided at the output side of the power supply unit, the base of the transistor Q5 is connected to a reference voltage source, the base of the transistor Q6 is used as the input end of the determining unit, the collector of the transistor Q5 is grounded, the emitter of the transistor Q5 is connected to the base of the transistor Q3, the collector of the transistor Q3 is connected to the collector of the transistor Q1, the emitter of the transistor Q3 is connected to the emitter of the transistor Q4, the emitter of the transistor Q1 is grounded, the base of the transistor Q1 is connected to the base of the transistor Q2, the emitter of the transistor Q6 is grounded, the collector of the transistor Q2 is connected to the collector of the transistor Q4, the base electrode of the triode Q4 is connected with the emitter electrode of the triode Q6, the collector electrode of the triode Q6 is grounded, the triode Q5, the triode Q3, the triode Q4 and the emitter electrode of the triode Q6 are connected with a voltage source, the base electrode of the triode Q6 is connected with the emitter electrode of the triode Q6 through a diode D4, the collector electrode of the triode Q2 is connected with the base electrode of the triode Q7, the emitter electrode of the triode Q7 is grounded, and the collector electrode of the triode Q7 is used as the output end of the judging unit.
As a further optimization of the scheme, the power supply unit further comprises a rheostat RP1, the resistance side of the rheostat RP1 is connected in parallel with the voltage regulator tube D7, and the sliding side of the rheostat RP1 is used as a reference voltage source.
As a further optimization of the present solution, the charging unit includes a varistor RP2, a transistor Q8, and a transistor Q9, wherein the base of the transistor Q8, the emitter of the transistor Q8 is grounded, the collector of the transistor Q8 is connected to the base of the transistor Q9, the resistance end of the varistor RP2 is connected to a voltage source, the collector of the transistor Q9 is connected to the sliding side of the varistor RP2, and the emitter of the varistor Q9 is connected to the positive electrode of the rechargeable battery as the output end of the charging unit.
As a further optimization of the scheme, a diode LED2 is connected in series between the varistor RP2 and the collector of the transistor Q9.
The utility model has the advantages that:
the power supply unit converts an external alternating current voltage source into direct current voltage, and the direct current voltage source is used as a direct current voltage source and a power supply of the system; the judging unit judges the electric quantity storage condition of the battery by calculating and comparing the relation between the output voltage of the battery B1 and the reference voltage, and when the electric quantity of the battery is enough, the judging unit controls the battery to stop charging; the charging unit charges the battery according to the information fed back by the judging unit. Therefore, the scheme has the technical effects of safety and stability.
Drawings
Fig. 1 is a schematic circuit diagram of the present application.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the following specific embodiments and accompanying drawings, but the scope of protection and the implementation of the present invention are not limited thereto.
An adjustable charging system comprises an external plug for directly connecting with an external power supply, the external plug is electrically connected with the system, and the system also comprises a rechargeable battery, and is characterized by also comprising a power supply unit, a judgment unit and a charging unit, wherein the power supply unit is used for converting an alternating current voltage source into a direct current voltage source for supplying power to the system; the judging unit is used for controlling the charging and the power-off of the rechargeable battery; the charging unit is used for charging the rechargeable battery according to the command of the judging unit; the input of power supply unit is connected external plug, power supply unit's output is as the voltage source of judging unit and charging unit, the input connection rechargeable battery's of judging unit positive pole for gather rechargeable battery's the information of lighting, charging unit's input is connected the output of judging unit, charging source's output with rechargeable battery lug connection is used for doing rechargeable battery charges.
In a specific embodiment, the power supply unit comprises a transformer XFR1, a diode D5, a voltage regulator D7 and a resistor R2, a primary side of the transformer XFR1 serves as an input end of the power supply unit, a secondary side of the transformer XFR1 is connected with an anode of the voltage regulator D7, a cathode of the voltage regulator D7 is grounded through the resistor R2 and the voltage regulator D7 which are connected in series, a series point of the diode D5 and the resistor R2 is connected with a capacitor C1 which is grounded, and a cathode of the diode D5 serves as a voltage source of the system. The transformer can adjust the diode according to different charging requirements to protect a rear-stage circuit, and the capacitor C1 can filter the voltage to enable the voltage of the voltage source to be more stable.
The power supply unit still includes the voltage suggestion module, the voltage suggestion module includes diode D6, resistance R1 and emitting diode LED1, transformer XFR 1's secondary side is connected diode D6's positive pole, series connection's resistance R1 and emitting diode LED1 ground connection are connected to diode D6's negative pole. The voltage prompting module can display the voltage using condition through the light-emitting diode, and when the voltage is normal, the diode normally lights.
The judging unit comprises triodes Q1-Q7, the triodes Q1, Q2 and Q7 are NPN triodes, the Q3, Q4, Q5 and Q6 are PNP triodes, the output side of the power supply unit is also provided with a reference voltage, the base of the triode Q5 is connected with a reference voltage source, the base of the triode Q6 is used as the input end of the judging unit, the collector of the triode Q5 is grounded, the emitter of the triode Q5 is connected with the base of the triode Q3, the collector of the triode Q3 is connected with the collector of the triode Q1, the emitter of the triode Q3 is connected with the emitter of the triode Q4, the emitter of the triode Q1 is grounded, the base of the triode Q1 is connected with the base of the triode Q2, the emitter of the triode Q2 is grounded, the collector of the triode Q2 is connected with the collector of the triode Q4, the base electrode of the triode Q4 is connected with the emitter electrode of the triode Q6, the collector electrode of the triode Q6 is grounded, the triode Q5, the triode Q3, the triode Q4 and the emitter electrode of the triode Q6 are connected with a voltage source, the base electrode of the triode Q6 is connected with the emitter electrode of the triode Q6 through a diode D4, the collector electrode of the triode Q2 is connected with the base electrode of the triode Q7, the emitter electrode of the triode Q7 is grounded, and the collector electrode of the triode Q7 is used as the output end of the judging unit. The power supply unit further comprises a rheostat RP1, the resistance side of the rheostat RP1 is connected with the voltage stabilizing tube D7 in parallel, the sliding side of the rheostat RP1 serves as a reference voltage source, the power supply unit further comprises a rheostat RP1, the resistance side of the rheostat RP1 is connected with the voltage stabilizing tube D7 in parallel, and the sliding side of the rheostat RP1 serves as a reference voltage source. The charging unit comprises a rheostat RP2, a transistor Q8 and a transistor Q9, wherein the base electrode of the transistor Q8, the emitter electrode of the transistor Q8 are grounded, the collector electrode of the transistor Q8 is connected with the base electrode of the transistor Q9, the resistance end of the rheostat RP2 is connected with a voltage source, the collector electrode of the transistor Q9 is connected with the sliding side of the rheostat RP2, and the emitter electrode of the rheostat Q9 is used as the output end of the charging unit and is connected with the positive electrode of the rechargeable battery. A diode LED2 is connected in series between the rheostat RP2 and the collector of the triode Q9.
The base electrode of the triode Q5 is connected with a reference voltage source, the base electrode of the triode Q6 is connected with the positive electrode input voltage data of the battery, when the input voltage is larger than the reference voltage, the Q3 is cut off, the Q4 is conducted, so that the collector electrode of the Q2 is low in potential, the triode Q7 is cut off, the base electrode of the triode Q8 is high in potential, so that the Q9 is cut off and cannot be charged, and the battery B1 is isolated from the voltage source and cannot be charged; conversely, the Q9 turn-on voltage source may charge battery B1. The varistor RP1 may modify the voltage value of the reference voltage to accommodate different battery models.
Claims (7)
1. An adjustable charging system comprises an external plug for directly connecting with an external power supply, the external plug is electrically connected with the system, and the system also comprises a charging battery, and is characterized by also comprising a power supply unit, a judgment unit and a charging unit,
the power supply unit is used for converting the alternating voltage source into a direct voltage source for supplying power to the system;
the judging unit is used for controlling the charging and the power-off of the rechargeable battery;
the charging unit is used for charging the rechargeable battery according to the command of the judging unit;
the input of power supply unit is connected external plug, power supply unit's output is as the voltage source of judging unit and charging unit, the input connection rechargeable battery's of judging unit positive pole for gather rechargeable battery's the information of lighting, charging unit's input is connected the output of judging unit, charging unit's output with rechargeable battery lug connection is used for doing rechargeable battery charges.
2. The adjustable charging system as claimed in claim 1, wherein the power supply unit comprises a transformer XFR1, a diode D5, a voltage regulator D7 and a resistor R2, the primary side of the transformer XFR1 is used as the input terminal of the power supply unit, the secondary side of the transformer XFR1 is connected with the anode of the voltage regulator D7, the cathode of the voltage regulator D7 is grounded through a resistor R2 and a voltage regulator D7 which are connected in series, the series point of the diode D5 and the resistor R2 is connected with a capacitor C1 which is grounded, and the cathode of the diode D5 is used as the voltage source of the system.
3. The adjustable charging system of claim 2, wherein the power supply unit further comprises a voltage prompting module, the voltage prompting module comprises a diode D6, a resistor R1 and a light emitting diode LED1, the secondary side of the transformer XFR1 is connected to the anode of the diode D6, and the cathode of the diode D6 is connected to the series-connected resistor R1 and the light emitting diode LED1 which are grounded.
4. The adjustable charging system of claim 1, wherein the determining unit comprises transistors Q1-Q7, the transistors Q1, Q2 and Q7 are NPN transistors, the transistors Q3, Q4, Q5 and Q6 are PNP transistors, the output side of the power supply unit is further provided with a reference voltage, the base of the transistor Q5 is connected with a reference voltage source, the base of the transistor Q6 is used as the input end of the determining unit, the collector of the transistor Q5 is grounded, the emitter of the transistor Q5 is connected with the base of the transistor Q3, the collector of the transistor Q3 is connected with the collector of the transistor Q1, the emitter of the transistor Q3 is connected with the emitter of the transistor Q4, the emitter of the transistor Q1 is grounded, the base of the transistor Q1 is connected with the base of the transistor Q2, and the emitter of the transistor Q2 is grounded, the collector of the triode Q2 is connected with the collector of the triode Q4, the base of the triode Q4 is connected with the emitter of the triode Q6, the collector of the triode Q6 is grounded, the triode Q5, the triode Q3, the triode Q4 and the emitter of the triode Q6 are connected with a voltage source, the base of the triode Q6 is connected with the emitter of the triode Q6 through a diode D4, the collector of the triode Q2 is connected with the base of the triode Q7, the emitter of the triode Q7 is grounded, and the collector of the triode Q7 is used as the output end of the judging unit.
5. An adjustable charging system as claimed in claim 2, wherein the power supply unit further comprises a varistor RP1, the resistance side of the varistor RP1 being connected in parallel with the zener D7, the sliding side of the varistor RP1 serving as a reference voltage source.
6. The adjustable charging system of claim 1, wherein the charging unit comprises a varistor RP2, a transistor Q8, and a transistor Q9, wherein the base of the transistor Q8, the emitter of the transistor Q8 are grounded, the collector of the transistor Q8 is connected to the base of the transistor Q9, the resistive end of the varistor RP2 is connected to a voltage source, the collector of the transistor Q9 is connected to the sliding side of the varistor RP2, and the emitter of the varistor Q9 is connected to the positive pole of the rechargeable battery as the output of the charging unit.
7. The adjustable charging system of claim 6, wherein a diode LED2 is connected in series between the varistor RP2 and the collector of the transistor Q9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220001152.3U CN216489869U (en) | 2022-01-04 | 2022-01-04 | Charging system with adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220001152.3U CN216489869U (en) | 2022-01-04 | 2022-01-04 | Charging system with adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216489869U true CN216489869U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220001152.3U Active CN216489869U (en) | 2022-01-04 | 2022-01-04 | Charging system with adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216489869U (en) |
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2022
- 2022-01-04 CN CN202220001152.3U patent/CN216489869U/en active Active
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