CN214045153U - Novel circuit structure supporting synchronous charging of double batteries - Google Patents
Novel circuit structure supporting synchronous charging of double batteries Download PDFInfo
- Publication number
- CN214045153U CN214045153U CN202023269088.7U CN202023269088U CN214045153U CN 214045153 U CN214045153 U CN 214045153U CN 202023269088 U CN202023269088 U CN 202023269088U CN 214045153 U CN214045153 U CN 214045153U
- Authority
- CN
- China
- Prior art keywords
- circuit
- diode
- battery
- resistor
- triode
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a novel support circuit structure of synchronous charging of double cell, be full of warning circuit, battery charging current control circuit, battery voltage detection circuit, relay work circuit including 220V alternating current, step-down rectification filter circuit, switch circuit, battery power, step-down rectification filter circuit is connected to the 220V alternating current electricity, step-down rectification filter circuit connects switch circuit, and switch circuit's connection battery power is full of warning circuit, battery charging current control circuit, and battery power is full of warning circuit connection battery charging circuit control circuit, and battery charging current control circuit connects battery voltage detection circuit, and battery voltage detection circuit connects relay work circuit, and relay work circuit connects battery power and is full of warning circuit, compares with prior art, the beneficial effects of the utility model are that: the scheme achieves the purpose of adjusting the current for charging the battery in the circuit by changing the resistance value of the slide rheostat.
Description
Technical Field
The utility model relates to a battery charging circuit specifically is a novel circuit structure who supports synchronous charging of double cell.
Background
The safe operating voltage range of lithium batteries is 2.8 to 4.2V, below or above which the lithium ions in the battery become very unstable and even end up in the battery. To ensure that the battery is in a safe range, a special charger is therefore required. The charging tool lithium battery charging uses a special charger, which can ensure the charging safety. When the charger works, the battery is charged by stable current, and the charger advances the charging voltage along with the rise of the battery voltage so as to accelerate the charging speed. When the battery reaches the cut-off voltage of 4.2V, the battery only rushes about 70% of the electricity (not full) at the moment. At the moment, the charger continuously charges the battery with stable voltage and gradually reduced current, and the charging is stopped when the battery voltage is detected to be continuously increased when the charging is less than 0.1A.
Charging batteries on the market at present is often accompanied by a fixed charging current or voltage, and suitable charging currents are often different for different batteries, and improvement is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel circuit structure who supports synchronous charging of bicell to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a novel support circuit structure of synchronous charging of bi-cell, is full of warning circuit, battery charging current control circuit, battery voltage detection circuit, relay working circuit including 220V alternating current, step-down rectification filter circuit, switch circuit, battery power, the 220V alternating current electricity is connected step-down rectification filter circuit, step-down rectification filter circuit connect switch circuit, and switch circuit's connection battery power is full of warning circuit, battery charging current control circuit, and battery power is full of warning circuit connection battery charging circuit control circuit, and battery charging current control circuit connects battery voltage detection circuit, and battery voltage detection circuit connects relay working circuit, and relay working circuit connects battery power and is full of warning circuit.
As a further aspect of the present invention: the voltage-reducing rectifying and filtering circuit comprises a transformer W, a diode D1, a diode D2, a diode D3, a diode D4, a capacitor C1, a capacitor C2, a resistor R1 and a resistor R2, a switch circuit comprises a switch S1 and a resistor R3, a battery circuit full charge reminding circuit comprises a switch S2, a diode D5, a diode D6, a resistor R5 and a resistor R6, a battery charging current control circuit comprises a slide rheostat RP1, a resistor R7, a triode V1, a triode V2, a slide rheostat RP2, a battery E1, a battery E2 and a resistor R4, a battery voltage detection circuit comprises a diode D7 and a diode D8, and a relay working circuit comprises a capacitor C3, a triode V3, a relay J2 and a diode D9.
An input end of a transformer W is connected with 220V alternating current, one end of an output end of the transformer W is connected with an anode of a diode D1 and a cathode of a diode D3, the other end of the output end of the transformer W is connected with an anode of a diode D2 and a cathode of a diode D4, a cathode of the diode D4 is connected with a cathode of the diode D4, a capacitor C4, a resistor R4, a capacitor C4 and a switch S4, an anode of the diode D4 is connected with an anode of the diode D4, the other end of the capacitor C4, the other end of the resistor R4 and the other end of the resistor R4, the other end of the switch S4 is connected with the resistor R4, the other end of the resistor R4 is connected with the switch S4 and the resistor R4, a No. 1 port of the switch S4 is connected with an anode of the diode D4 and a sliding rheostat RP 4, a cathode of the diode D4 is connected with a ground, the other end of the resistor R6 is connected to ground.
The other end of the slide rheostat RP1 is connected with a resistor R7 and a base of a triode V1, the other end of the resistor R7 is grounded, an emitter of the triode V1 is connected with a base of a triode V2, an emitter of a triode V2 is connected with the slide rheostat RP2, the other end of the slide rheostat RP2 is grounded, a collector of a triode V1 is connected with a collector of the triode V2, a cathode of a battery E1 and a cathode of a battery E2, the other end of the resistor R4 is connected with an anode of a battery E1, an anode of a battery E2, an anode of a diode D7, a cathode of a relay J2 and a cathode of a diode D9, a cathode of a diode D7 is connected with an anode of a diode D8, a cathode of the diode D8 is connected with a capacitor C3 and a base of a triode V3, the other end of a capacitor C3 is grounded, an emitter of a triode V3 is grounded, and a collector of a triode V3 is connected with the other end of the relay J2 and an anode of a diode D9.
As a further aspect of the present invention: the diode D1, the diode D2, the diode D3 and the diode D4 are current-limiting diodes, the diode D5, the diode D6, the diode D7 and the diode D8 are light-emitting diodes, and the diode D9 is a voltage-stabilizing diode.
As a further aspect of the present invention: the diodes D7 and D8 are negative resistance light emitting diodes, and when the voltages across the diodes D7 and D8 do not reach the rated voltages, the current does not pass through the diodes D7 and D8.
As a further aspect of the present invention: the diode D6 emits red light to indicate that the battery is not fully charged, and the diode D5 emits green light to indicate that the battery is fully charged.
As a further aspect of the present invention: the capacitor C1 and the capacitor C2 are polar capacitors.
As a further aspect of the present invention: the triode V1, the triode V2 and the triode V3 are NPN triodes, and the triode V1 and the triode V2 form a Darlington tube.
Compared with the prior art, the beneficial effects of the utility model are that: this scheme is through changing the resistance of slip rheostat, reaches the electric current size of charging for the battery in the regulating circuit, and then can effectually carry out the charging of electric current size difference to the battery of different models, has guaranteed the efficiency and the safety of battery charging, can charge simultaneously two batteries, has promoted the efficiency that can only charge to single battery in the past.
Drawings
Fig. 1 is a schematic diagram of a novel circuit structure supporting synchronous charging of dual batteries.
Fig. 2 is a circuit diagram of a novel circuit structure supporting synchronous charging of dual batteries.
Fig. 3 is a schematic diagram of the interior of the relay.
Detailed Description
The technical solution in the embodiments of the present invention will be 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 only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Example 1: referring to fig. 1, a novel circuit structure supporting synchronous charging of dual batteries is used for providing 220V ac power for power supply, a buck rectifying filter circuit for converting the 220V ac power into stable dc power, a switch circuit for current conduction, a battery charge level full charge reminding circuit for fully charging battery to emit green light, a battery charge current control circuit for changing circuit size during battery charging, a battery voltage detection circuit for detecting battery voltage, and a relay operating circuit for relay control switch, wherein the 220V ac power is electrically connected with the buck rectifying filter circuit, the buck rectifying filter circuit is connected with the switch circuit, the switch circuit is connected with the battery charge level full charge reminding circuit and the battery charge current control circuit, the battery charge level full charge reminding circuit is connected with the battery charge circuit control circuit, the battery charge current control circuit is connected with the battery voltage detection circuit, the battery voltage detection circuit is connected with the relay working circuit, and the relay working circuit is connected with the battery electric quantity full-charge reminding circuit.
The specific circuit is as shown in fig. 2, the buck rectifying and filtering circuit is composed of a transformer W, a diode D1, a diode D2, a diode D3, a diode D4, a capacitor C1, a capacitor C2, a resistor R1 and a resistor R2, the switch circuit is composed of a switch S1 and a resistor R3, the battery circuit full charge reminding circuit is composed of a switch S2, a diode D5, a diode D6, a resistor R5 and a resistor R6, the battery charging current control circuit is composed of a slide rheostat RP1, a resistor R7, a triode V1, a triode V2, a slide rheostat 2, a battery E1, a battery E2 and a resistor R4, the battery voltage detection circuit is composed of a diode D7 and a diode D8, and the relay working circuit is composed of a capacitor C3, a triode V3, a relay 2 and a diode D9.
The input end of a transformer W is connected with 220V alternating current, the input end of the transformer W is unwillingly W is a step-down transformer to convert the 220V alternating current into low-voltage alternating current, one end of the output end of the transformer W is connected with the anode of a diode D1 and the cathode of a diode D3, the other end of the output end of the transformer W is connected with the anode of a diode D2 and the cathode of a diode D4, a diode D1, a diode D2, a diode D3 and a diode D4 form a bridge rectifier circuit to convert the alternating current into direct current, the cathode of a diode D1 is connected with the cathode of a diode D2, a capacitor C1, a resistor R2, a resistor R1, a capacitor C2 and a switch S1, the anode of the diode D3 is connected with the anode of the diode D3, the other end of the capacitor C3, the other end of the resistor R3 and the other end of the resistor R3, the other end of the switch S3 is connected with a resistor R3, the anode of a diode D361 and the port of the switch S3, In the slide rheostat RP1, the port 2 of the switch S2 is connected to the anode of the diode D5, the cathode of the diode D5 is connected to the resistor R5, the other end of the resistor R5 is grounded, the cathode of the diode D6 is connected to the resistor R6, and the other end of the resistor R6 is grounded.
The other end of the sliding rheostat RP1 is connected with a resistor R7 and the base of a triode V1, the other end of the resistor R7 is grounded, the emitter of a triode V1 is connected with the base of a triode V2, the emitter of a triode V2 is connected with the sliding rheostat RP2, the other end of the sliding rheostat RP2 is grounded, the collector of a triode V1 is connected with the collector of a triode V2, the cathode of a battery E1 and the cathode of a battery E2, a triode V1 and a triode V2 form a Darlington tube, the other end of the resistor R4 is connected with the anode of a battery E1, the anode of a battery E2, the anode of a diode D7, a relay J2 and the cathode of a diode D9, the cathode of a diode D7 is connected with the anode of a diode D8, the cathode of a diode D8 is connected with the cathode of a capacitor C3 and the base of a triode V3, the other end of a capacitor C3 is grounded, the emitter of a triode V3 is grounded, the collector of a triode V3 is connected with the other end of a diode J2 and the anode of a relay D9, when the relay J2 is operated, the switch S2 connects the No. 2 port of the switch S2, so that the diode D5 emits green light, and when the relay J2 is not operated, the switch S2 connects the No. 1 port of the switch S2, so that the diode D6 emits red light.
The utility model discloses a theory of operation is: the switch S1 is closed, the circuit is conducted, 220V alternating current outputs stable direct current after voltage reduction, rectification and filtering, the switch S2 is connected to the port No. 1 at the beginning, so that the diode D6 emits red light to display that the battery is not fully charged, the circuit charges through the resistor R4-battery E1 (or battery E2) -triode V1-triode V2-potentiometer RP2-, the potentiometer RP1 and the potentiometer RP2 can adjust the charging current of the battery to ensure that batteries of different models can be charged under proper current, when the battery is fully charged, the negative resistance light emitting diode D7 and D8 are conducted to conduct the triode V3, the relay J2 works, the switch S2 is connected to the port No. 2, the light emitting diode D5 emits green light to display that the battery is fully charged, and the triode V1 and the triode V2 are cut off due to current input at the port No. 1, the battery is not being charged.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a novel support circuit structure of double cell synchronous charging, includes 220V alternating current, step-down rectification filter circuit, switch circuit, battery electric quantity full charge warning circuit, battery charging current control circuit, battery voltage detection circuit, relay work circuit, its characterized in that, 220V alternating current connection step-down rectification filter circuit, step-down rectification filter circuit connect switch circuit, switch circuit's connection battery electric quantity full charge warning circuit, battery charging current control circuit, battery electric quantity full charge warning circuit connection battery charging circuit control circuit, battery charging current control circuit connection battery voltage detection circuit, battery voltage detection circuit connection relay work circuit, relay work circuit connection battery electric quantity full charge warning circuit, step-down rectification filter circuit is by transformer W, diode D1, diode D2, relay work circuit, The battery charging current control circuit comprises a sliding rheostat RP1, a resistor R7, a triode V1, a triode V2, a sliding rheostat RP2, a battery E1 and a resistor R1, the battery voltage detection circuit comprises a diode D1 and a diode D1, and the relay working circuit comprises a capacitor C1, a triode V1, a relay J1 and a diode D1;
an input end of a transformer W is connected with 220V alternating current, one end of an output end of the transformer W is connected with an anode of a diode D1 and a cathode of a diode D3, the other end of the output end of the transformer W is connected with an anode of a diode D2 and a cathode of a diode D4, a cathode of the diode D4 is connected with a cathode of the diode D4, a capacitor C4, a resistor R4, a capacitor C4 and a switch S4, an anode of the diode D4 is connected with an anode of the diode D4, the other end of the capacitor C4, the other end of the resistor R4 and the other end of the resistor R4, the other end of the switch S4 is connected with the resistor R4, the other end of the resistor R4 is connected with the switch S4 and the resistor R4, a No. 1 port of the switch S4 is connected with an anode of the diode D4 and a sliding rheostat RP 4, a cathode of the diode D4 is connected with a ground, the other end of the resistor R6 is grounded;
the other end of the slide rheostat RP1 is connected with a resistor R7 and a base of a triode V1, the other end of the resistor R7 is grounded, an emitter of the triode V1 is connected with a base of a triode V2, an emitter of a triode V2 is connected with the slide rheostat RP2, the other end of the slide rheostat RP2 is grounded, a collector of a triode V1 is connected with a collector of the triode V2, a cathode of a battery E1 and a cathode of a battery E2, the other end of the resistor R4 is connected with an anode of a battery E1, an anode of a battery E2, an anode of a diode D7, a cathode of a relay J2 and a cathode of a diode D9, a cathode of a diode D7 is connected with an anode of a diode D8, a cathode of the diode D8 is connected with a capacitor C3 and a base of a triode V3, the other end of a capacitor C3 is grounded, an emitter of a triode V3 is grounded, and a collector of a triode V3 is connected with the other end of the relay J2 and an anode of a diode D9.
2. The novel circuit structure supporting synchronous charging of dual batteries according to claim 1, wherein the diodes D1, D2, D3 and D4 are current limiting diodes, the diodes D5, D6, D7 and D8 are light emitting diodes, and the diode D9 is a voltage regulator diode.
3. The novel circuit structure supporting synchronous charging of dual batteries as claimed in claim 2, wherein the diodes D7 and D8 are negative resistance light emitting diodes, and when the voltage across the diodes D7 and D8 does not reach the rated voltage, the current does not pass through the diodes D7 and D8.
4. The novel circuit structure supporting synchronous charging of double batteries as claimed in claim 2, wherein said diode D6 emits red light to indicate that the battery is not fully charged, and diode D5 emits green light to indicate that the battery is fully charged.
5. The novel circuit structure supporting synchronous charging of double batteries according to claim 1, wherein the capacitors C1 and C2 are polar capacitors.
6. The novel circuit structure supporting synchronous charging of double batteries according to claim 1, wherein the transistor V1, the transistor V2 and the transistor V3 are NPN transistors, and the transistor V1 and the transistor V2 constitute a darlington tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023269088.7U CN214045153U (en) | 2020-12-29 | 2020-12-29 | Novel circuit structure supporting synchronous charging of double batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023269088.7U CN214045153U (en) | 2020-12-29 | 2020-12-29 | Novel circuit structure supporting synchronous charging of double batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214045153U true CN214045153U (en) | 2021-08-24 |
Family
ID=77344484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023269088.7U Active CN214045153U (en) | 2020-12-29 | 2020-12-29 | Novel circuit structure supporting synchronous charging of double batteries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214045153U (en) |
-
2020
- 2020-12-29 CN CN202023269088.7U patent/CN214045153U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104410139B (en) | Battery of battery-driven truck is full of automatic power-off circuit and auto-power-off device | |
| CN113285425B (en) | Rectifier with protection function | |
| CN114726061B (en) | Control system for lithium battery power management | |
| CN102810897B (en) | Charging circuit with short-circuit protection and charger | |
| CN214045153U (en) | Novel circuit structure supporting synchronous charging of double batteries | |
| CN218449578U (en) | Portable power source quick charge circuit | |
| CN218352241U (en) | Intelligent charging energy-saving control circuit | |
| CN216564635U (en) | UPS power supply with power supply protection function | |
| CN205389127U (en) | Nickel cadmium cell charger | |
| CN211266676U (en) | Power battery charging generator | |
| CN215186049U (en) | UPS power supply control circuit of motor | |
| CN208423907U (en) | A kind of effective safe charging circuit for inhibiting peak voltage | |
| CN214314631U (en) | High-speed high-efficient lithium cell equalizer circuit | |
| CN203896006U (en) | Charging protection control circuit for mobile power supply | |
| CN110920427A (en) | 100W battery charger suitable for unmanned aerial vehicle | |
| CN216981569U (en) | Lithium battery large-current charging circuit | |
| CN204928278U (en) | Portable power source charger | |
| CN216489869U (en) | Charging system with adjustable | |
| CN215419701U (en) | Solar street lamp centralized control system | |
| CN104779653A (en) | Charging indicating circuit | |
| CN108879911A (en) | A kind of electric vehicle descending charging circuit and charging method | |
| CN104426173A (en) | Charging circuit | |
| CN217135212U (en) | DC load emergency power supply | |
| CN209233544U (en) | A kind of charger for lithium ion battery | |
| CN214590732U (en) | High-energy-efficiency PD quick-charging charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |