CN113194571A - Battery box and LED driving power supply - Google Patents

Battery box and LED driving power supply Download PDF

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Publication number
CN113194571A
CN113194571A CN202110525074.7A CN202110525074A CN113194571A CN 113194571 A CN113194571 A CN 113194571A CN 202110525074 A CN202110525074 A CN 202110525074A CN 113194571 A CN113194571 A CN 113194571A
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CN
China
Prior art keywords
battery
pole
diode
double
triode
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Application number
CN202110525074.7A
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Chinese (zh)
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CN113194571B (en
Inventor
肖海兵
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Individual
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Individual
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • 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
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0024—Parallel/serial switching of connection of batteries to charge or load circuit
    • 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
    • H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a battery box and an LED driving power supply, wherein the battery box comprises a box body; a battery BAT1, a battery BAT2 and a battery BAT3 are arranged in the box body; the negative electrode of the battery BAT1 is connected with the positive electrode of the battery BAT2, and the battery BAT3 and battery BAT2 series/parallel conversion circuit is further included. The driving power supply comprises the battery box and an amplifying circuit. The invention provides a circuit capable of realizing random switching of two parallel or series connection modes between non-rechargeable battery packs, when three or more batteries are used for series connection to supply power to a lamp string, two batteries are connected in series and then connected with other batteries in parallel, when the voltage in parallel connection is reduced to be incapable of driving an LED lamp, the circuit is automatically or manually switched to the series circuit to increase the voltage, the voltage is enabled to be in a proper range through a resistor, the LED can be continuously lightened to work, and tests prove that the circuit can prolong the working time of the LED lamp by 45 percent after being switched to the series connection mode.

Description

Battery box and LED driving power supply
Technical Field
The invention relates to the field of LED driving power supplies, in particular to a battery box and an LED driving power supply.
Background
The LED lamps of the Christmas lamp string are all 3V nominal working voltage, the voltage of the dry batteries on the market is 1.5VDC, actually, two dry batteries are adopted to be connected in series in a battery box of the LED lamps of the Christmas lamp string at present to supply power to the LED lamps of the Christmas lamp string, and if a larger battery is needed, a battery pack formed by connecting a plurality of groups of two dry batteries in series can be connected in parallel. With the increase of power consumption, the residual capacity in the dry battery is less and less, the output voltage is lower and lower, even when the voltage can be reduced to the extent that the LED lamp can not be driven, at the moment, a new dry battery is to be replaced, but at the moment, although the voltage of the dry battery is reduced, the capacity is reduced, but not less energy exists, and a great deal of waste can be caused by the abandonment after the replacement.
Disclosure of Invention
The invention provides a battery box and an LED driving circuit, aiming at the defects that two dry batteries are adopted to be connected in series for supplying power in the LED battery box of the Christmas lamp string at present, and more electric energy is wasted when the output voltage of the series dry batteries cannot drive an LED lamp.
The technical scheme adopted by the invention for realizing the technical purpose is as follows: a battery case includes a case body; a battery BAT1, a battery BAT2 and a battery BAT3 are arranged in the box body; the negative electrode of the battery BAT1 is connected with the positive electrode of the battery BAT2, and the battery BAT3 and battery BAT2 series/parallel conversion circuit is further included.
Further, in the battery pack described above: the conversion circuit comprises a double-pole double-throw switch K1, wherein a first pole of the double-pole double-throw switch K1 is connected with the negative pole of a battery BAT3, and a second pole of the double-pole double-throw switch K1 is connected with the negative pole of a battery BAT 2; the first throw and the second throw of the first knife of the double-pole double-throw switch K1 are respectively thrown to a contact K1-1 and a contact K1-0 which are connected with the positive pole of a battery BAT 2; the first throw and the second throw of the second pole of the double-pole double-throw switch K1 are thrown to a contact VSS2 and a contact K1-0 respectively; contact VSS2 is connected to ground through diode D2, the P-pole of which is connected to ground.
Further, in the battery pack described above: the battery pack also comprises a circuit for preventing the battery BAT3 and the battery BAT2 from discharging mutually when the battery BAT3 is connected with the battery BAT2 in parallel; the circuit for preventing the mutual discharge of the battery BAT3 and the battery BAT2 comprises a processor U1, a triode Q1, a triode Q2, a diode D1 and a diode D2; the diode D1 is arranged between the cathode of the battery BAT3 and the ground, and the P pole of the diode D2 is grounded; bases of the triode Q1 and the triode Q2 are respectively connected with different output pins of the processor, collectors and emitters of the triode Q1 and the triode Q2 are respectively connected with two ends of the diode D1 and the diode D2, and P poles of the diode D1 and the diode D2 are respectively connected with collectors of the triode Q1 and the triode Q2.
The invention also provides an LED driving power supply, which comprises a battery box and an amplifying circuit, wherein the battery box comprises a box body; a battery BAT1, a battery BAT2 and a battery BAT3 are arranged in the box body; the negative electrode of the battery BAT1 is connected with the positive electrode of the battery BAT2, and the battery BAT3 and battery BAT2 series/parallel conversion circuit is further included; the positive electrode of battery BAT1 forms the battery pack output OUT-VCC.
Further, in the above LED driving power supply: the conversion circuit comprises a double-pole double-throw switch K1, wherein a first pole of the double-pole double-throw switch K1 is connected with the negative pole of a battery BAT3, and a second pole of the double-pole double-throw switch K1 is connected with the negative pole of a battery BAT 2; the first throw and the second throw of the first knife of the double-pole double-throw switch K1 are respectively thrown to a contact K1-1 and a contact K1-0 which are connected with the positive pole of a battery BAT 2; the first throw and the second throw of the second pole of the double-pole double-throw switch K1 are thrown to a contact VSS2 and a contact K1-0 respectively; contact VSS2 is connected to ground through diode D2, the P-pole of which is connected to ground.
Further, in the above LED driving power supply: the battery pack also comprises a circuit for preventing the battery BAT3 and the battery BAT2 from discharging mutually when the battery BAT3 is connected with the battery BAT2 in parallel; the circuit for preventing the mutual discharge of the battery BAT3 and the battery BAT2 comprises a processor U1, a triode Q1, a triode Q2, a diode D1 and a diode D2; the diode D1 is arranged between the cathode of the battery BAT3 and the ground, and the P pole of the diode D2 is grounded; bases of the triode Q1 and the triode Q2 are respectively connected with different output pins of the processor, collectors and emitters of the triode Q1 and the triode Q2 are respectively connected with two ends of the diode D1 and the diode D2, and P poles of the diode D1 and the diode D2 are respectively connected with collectors of the triode Q1 and the triode Q2.
When three or more batteries are used for series connection to supply power to a lamp string, the two batteries are connected in series and then connected in parallel with other batteries, so that the voltage can meet the working voltage of the lamp string, the capacity of the battery pack can be increased (the voltage is increased by series connection and the capacity is increased by parallel connection), the lighting time of the lamp string is prolonged, when the voltage in parallel connection is reduced to a level that an LED lamp cannot be driven, the serial circuit is automatically or manually switched to increase the voltage, the voltage is enabled to be in a proper range through a resistor, the LED lamp can be continuously lighted for working, and tests prove that the working time of the LED lamp can be prolonged by 45% after the serial circuit is switched to.
The invention is further described with reference to the following figures and detailed description.
Drawings
Fig. 1 is a series/parallel switching circuit (one) of a battery BAT3 and a battery BAT2 in a battery pack according to embodiment 1 of the present invention.
Fig. 2 shows a series/parallel switching circuit (ii) of the battery BAT3 and the battery BAT2 in the battery pack according to embodiment 1 of the present invention.
Fig. 3 is an LED driving power supply circuit according to embodiment 1 of the present invention.
Detailed Description
Embodiment 1, this embodiment is a battery box of a christmas light string, the LED lamps of the christmas light string are all 3V nominal operating voltage, when three or more batteries are used to connect in series to supply power to the light string, two batteries are connected in series and then connected in parallel with other batteries, so that the voltage can meet the operating voltage of the light string, and the battery pack capacity (increased voltage in series and increased capacity in parallel) can be increased to prolong the lighting time of the light string, when the voltage in parallel use is reduced to a level that cannot drive the LED lamps, the serial circuit is automatically or manually switched to, the voltage is increased, and then the voltage is within a proper range through a resistor, and the LED can be continuously lighted to work, and tests prove that the operating time of the LED lamps can be prolonged by 45% after the serial circuit is switched to.
As shown in fig. 1, the LED lamp driving power supply of the christmas lamp string includes a battery box and an amplifying circuit, and the output power supply of the battery box is amplified by the amplifying circuit and then supplies power to the LED lamp driving power supply. The battery box is shown in fig. 1 and 2 and comprises a box body; a battery BAT1, a battery BAT2 and a battery BAT3 are arranged in the box body; the negative pole of the battery BAT1 connects with the positive pole of the battery BAT2, also include the battery BAT3 and battery BAT2 series/parallel conversion circuit; the positive electrode of battery BAT1 forms the battery pack output OUT-VCC. Three batteries of the battery BAT1, the battery BAT2 and the battery BAT3 are connected in series for power supply as shown in FIG. 1, and two batteries of the battery BAT2 and the battery BAT3 are connected in parallel and then connected in series with the BAT1 for power supply as shown in FIG. 2.
The conversion circuit is shown in fig. 1 and 2: the battery pack comprises a double-pole double-throw switch K1, wherein a first pole of the double-pole double-throw switch K1 is connected with the negative pole of a battery BAT3, and a second pole of the double-pole double-throw switch K1 is connected with the negative pole of a battery BAT 2; the first throw and the second throw of the first knife of the double-pole double-throw switch K1 are respectively thrown to a contact K1-1 and a contact K1-0 which are connected with the positive pole of a battery BAT 2; the first throw and the second throw of the second pole of the double-pole double-throw switch K1 are thrown to a contact VSS2 and a contact K1-0 respectively; contact VSS2 is connected to ground through diode D2, the P-pole of which is connected to ground.
In addition, the battery pack protection circuit also comprises a circuit for preventing the battery pack 3 and the battery pack 2 from discharging mutually when the battery pack 3 is connected with the battery pack 2 in parallel; as shown in fig. 3, the circuit for preventing the battery BAT3 and the battery BAT2 from discharging each other includes a processor U1, a transistor Q1, a transistor Q2, a diode D1, and a diode D2; the diode D1 is arranged between the cathode of the battery BAT3 and the ground, and the P pole of the diode D2 is grounded; bases of the triode Q1 and the triode Q2 are respectively connected with different output pins of the processor, collectors and emitters of the triode Q1 and the triode Q2 are respectively connected with two ends of the diode D1 and the diode D2, and P poles of the diode D1 and the diode D2 are respectively connected with collectors of the triode Q1 and the triode Q2.
As shown in FIG. 3, the amplifying circuit comprises a brand-new integrated circuit four NAND gate U2 with the model H006, the output OUT-VCC of a battery box formed by the positive pole of a battery BAT1 is connected with the 5 th pin of the amplifying integrated circuit U2, the 2 nd pin of the amplifying integrated circuit U2 is grounded, and the 1 st pin and the 6 th pin of the amplifying integrated circuit U2 are connected with a plug connected with an LED.

Claims (6)

1. A battery case includes a case body; the method is characterized in that: a battery BAT1, a battery BAT2 and a battery BAT3 are arranged in the box body; the negative electrode of the battery BAT1 is connected with the positive electrode of the battery BAT2, and the battery BAT3 and battery BAT2 series/parallel conversion circuit is further included.
2. A battery pack as claimed in claim 1, wherein: the conversion circuit comprises a double-pole double-throw switch K1, wherein a first pole of the double-pole double-throw switch K1 is connected with the negative pole of a battery BAT3, and a second pole of the double-pole double-throw switch K1 is connected with the negative pole of a battery BAT 2; the first throw and the second throw of the first knife of the double-pole double-throw switch K1 are respectively thrown to a contact K1-1 and a contact K1-0 which are connected with the positive pole of a battery BAT 2; the first throw and the second throw of the second pole of the double-pole double-throw switch K1 are thrown to a contact VSS2 and a contact K1-0 respectively; contact VSS2 is connected to ground through diode D2, the P-pole of which is connected to ground.
3. A battery pack as claimed in claim 2, wherein: the battery pack also comprises a circuit for preventing the battery BAT3 and the battery BAT2 from discharging mutually when the battery BAT3 is connected with the battery BAT2 in parallel; the circuit for preventing the mutual discharge of the battery BAT3 and the battery BAT2 comprises a processor U1, a triode Q1, a triode Q2, a diode D1 and a diode D2; the diode D1 is arranged between the cathode of the battery BAT3 and the ground, and the P pole of the diode D2 is grounded; bases of the triode Q1 and the triode Q2 are respectively connected with different output pins of the processor, collectors and emitters of the triode Q1 and the triode Q2 are respectively connected with two ends of the diode D1 and the diode D2, and P poles of the diode D1 and the diode D2 are respectively connected with collectors of the triode Q1 and the triode Q2.
4. The utility model provides a LED drive power supply, includes battery case and amplifier circuit, its characterized in that: the battery box comprises a box body; a battery BAT1, a battery BAT2 and a battery BAT3 are arranged in the box body; the negative electrode of the battery BAT1 is connected with the positive electrode of the battery BAT2, and the battery BAT3 and battery BAT2 series/parallel conversion circuit is further included; the positive electrode of battery BAT1 forms the battery pack output OUT-VCC.
5. The LED driving power supply according to claim 4, wherein: the conversion circuit comprises a double-pole double-throw switch K1, wherein a first pole of the double-pole double-throw switch K1 is connected with the negative pole of a battery BAT3, and a second pole of the double-pole double-throw switch K1 is connected with the negative pole of a battery BAT 2; the first throw and the second throw of the first knife of the double-pole double-throw switch K1 are respectively thrown to a contact K1-1 and a contact K1-0 which are connected with the positive pole of a battery BAT 2; the first throw and the second throw of the second pole of the double-pole double-throw switch K1 are thrown to a contact VSS2 and a contact K1-0 respectively; contact VSS2 is connected to ground through diode D2, the P-pole of which is connected to ground.
6. The LED driving power supply according to claim 5, wherein: the battery pack also comprises a circuit for preventing the battery BAT3 and the battery BAT2 from discharging mutually when the battery BAT3 is connected with the battery BAT2 in parallel; the circuit for preventing the mutual discharge of the battery BAT3 and the battery BAT2 comprises a processor U1, a triode Q1, a triode Q2, a diode D1 and a diode D2; the diode D1 is arranged between the cathode of the battery BAT3 and the ground, and the P pole of the diode D2 is grounded; bases of the triode Q1 and the triode Q2 are respectively connected with different output pins of the processor, collectors and emitters of the triode Q1 and the triode Q2 are respectively connected with two ends of the diode D1 and the diode D2, and P poles of the diode D1 and the diode D2 are respectively connected with collectors of the triode Q1 and the triode Q2.
CN202110525074.7A 2021-05-13 2021-05-13 Battery box and LED driving power supply Active CN113194571B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110525074.7A CN113194571B (en) 2021-05-13 2021-05-13 Battery box and LED driving power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110525074.7A CN113194571B (en) 2021-05-13 2021-05-13 Battery box and LED driving power supply

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CN113194571A true CN113194571A (en) 2021-07-30
CN113194571B CN113194571B (en) 2022-12-13

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001275251A (en) * 2000-03-27 2001-10-05 Ngk Insulators Ltd Power source unit switching series stages
CN103904727A (en) * 2013-12-29 2014-07-02 毛勇彪 Combined general type power management balancer applied to multiple batteries and working method thereof
CN106033908A (en) * 2015-03-20 2016-10-19 联想(北京)有限公司 Power supply circuit and working method thereof and electronic equipment
CN206250788U (en) * 2016-11-07 2017-06-13 昆明理工大学 A kind of serial parallel converter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001275251A (en) * 2000-03-27 2001-10-05 Ngk Insulators Ltd Power source unit switching series stages
CN103904727A (en) * 2013-12-29 2014-07-02 毛勇彪 Combined general type power management balancer applied to multiple batteries and working method thereof
CN106033908A (en) * 2015-03-20 2016-10-19 联想(北京)有限公司 Power supply circuit and working method thereof and electronic equipment
CN206250788U (en) * 2016-11-07 2017-06-13 昆明理工大学 A kind of serial parallel converter

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