CN214790591U - Flashlight based on three lithium batteries independently supply power - Google Patents
Flashlight based on three lithium batteries independently supply power Download PDFInfo
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- CN214790591U CN214790591U CN202121444389.0U CN202121444389U CN214790591U CN 214790591 U CN214790591 U CN 214790591U CN 202121444389 U CN202121444389 U CN 202121444389U CN 214790591 U CN214790591 U CN 214790591U
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- lithium
- toggle switch
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a flashlight based on three lithium batteries for independent power supply, which is characterized in that a cylindrical battery unit is arranged on the flashlight body, the battery unit comprises an insulating shell and is provided with three independent accommodating areas, and each accommodating area is respectively provided with a lithium battery; arranging a negative connecting sheet communicated with the cathodes of the three lithium batteries and three positive connecting sheets correspondingly communicated with the anodes of the three lithium batteries in the insulating shell, and extending the free ends of the negative connecting sheet and the three positive connecting sheets out of the insulating shell; a three-gear toggle switch is arranged in a lamp holder of the flashlight, three positive connecting pieces are respectively connected with three input ends of the three-gear toggle switch, and an output end of the three-gear toggle switch is connected with a light-emitting unit in the lamp holder. Therefore, the three lithium batteries can be separately and independently used, and the flashlight can adopt different batteries for mixed power supply without keeping the same type and parameter requirements of each lithium battery.
Description
Technical Field
The utility model relates to a lighting apparatus's technical field, in particular to flashlight based on independent power supply of three section lithium cell.
Background
The power supply mode of the existing flashlight has single-lithium power supply and multi-lithium power supply, the single lithium battery has effective cruising ability due to the 18650 lithium batteries with standard specifications adopted by the existing flashlight, the flashlight is often used in emergency situations, and great troubles can be caused to users if the flashlight cannot effectively illuminate, so that more and more flashlights adopt multi-lithium power supply. The multi-lithium power supply comprises series power supply and parallel power supply, and the series power supply is commonly used at present, so that the voltage reduction efficiency is high, the cost is low, and the requirement on the consistency of batteries is high; the parallel power supply can be lighted by single lithium under emergency. However, the battery has certain requirements no matter the serial power supply or the parallel power supply, and different types of batteries cannot be mixed.
SUMMERY OF THE UTILITY MODEL
To the problem that prior art exists, the utility model aims at providing a flashlight based on three lithium cell independent power supply, aims at being suitable for the lithium cell of different grade type and uses the power supply thoughtlessly.
In order to achieve the above object, the flashlight provided by the utility model comprises a lamp holder and a barrel body which are connected with each other, wherein a light-emitting unit is arranged in the lamp holder, and a cylindrical battery unit which supplies power to the light-emitting unit is arranged in the barrel body; the battery unit comprises an insulating shell, a battery pack and a battery pack, wherein the insulating shell is provided with three independent accommodating areas, and each accommodating area is provided with a lithium battery; a negative electrode connecting sheet communicated with the negative electrodes of the three lithium batteries and a positive electrode connecting sheet respectively communicated with the positive electrodes of the three lithium batteries are arranged in the insulating shell, and the free ends of the negative electrode connecting sheet and the three positive electrode connecting sheets extend out of the insulating shell;
the lamp holder is provided with a three-gear toggle switch, the third positive connecting piece is respectively connected with three input ends of the three-gear toggle switch, and the output end of the three-gear toggle switch is connected with the light-emitting unit.
Optionally, a voltage conversion plate is arranged in the lamp cap, the free ends of the three positive connecting pieces are connected with the three input ends of the voltage conversion plate, and the three output ends of the voltage conversion plate are connected with the three input ends of the three-gear toggle switch.
Optionally, the insulating housing comprises a first housing and a second housing which are clamped with each other;
the first shell is provided with three first partition plates, wherein one first partition plate is positioned at the bottom of the first shell; the negative connecting piece is embedded in the inner wall of the first shell along the axial direction of the first shell and is provided with a first branch part extending towards the inside of each first partition plate, and a first contact part is arranged at the free end of each first branch part;
the second housing has three second partitions, wherein a second partition is located at the top of the second housing; the three positive connecting pieces are embedded in the inner wall of the second shell along the axial direction of the second shell, each positive connecting piece is provided with a second branch part extending towards the inside of the corresponding second partition plate, and the free end of each second branch part is provided with a second contact part;
when the first shell and the second shell are clamped, the adjacent first partition plate and the second partition plate form an accommodating area, the negative electrode of the lithium battery positioned in the accommodating area is in contact and electric connection with the first contact part on the first partition plate, and the positive electrode of the lithium battery is in contact and electric connection with the second contact part on the second partition plate.
Optionally, a first buffer gasket is disposed on a bottom surface of the first partition plate located at the bottom of the first casing, and a second buffer gasket is disposed on a top surface of the second partition plate located at the top of the second casing.
Optionally, the first spacer and the second spacer are disposed at an interval, and an insulating spacer is disposed in the interval.
The cylindrical battery unit is arranged on the flashlight body, the battery unit comprises an insulating shell which is provided with three independent accommodating areas, and each accommodating area is respectively provided with a lithium battery; arranging a negative connecting sheet communicated with the cathodes of the three lithium batteries and three positive connecting sheets correspondingly communicated with the anodes of the three lithium batteries in the insulating shell, and extending the free ends of the negative connecting sheet and the three positive connecting sheets out of the insulating shell; a three-gear toggle switch is arranged in a lamp holder of the flashlight, three positive connecting pieces are respectively connected with three input ends of the three-gear toggle switch, and an output end of the three-gear toggle switch is connected with a light-emitting unit in the lamp holder.
Through adopting insulating casing to keep apart three lithium cell each other, switching that three lithium cell was realized to three fender toggle switch of rethread for three lithium cell can separately independent utility, need not from this that each lithium cell keeps the same type, parameter requirement, makes the flashlight can adopt the battery of difference to use the power supply thoughtlessly. And the duration of a journey ability that three lithium cell can effective flashlight, when one of them lithium cell exhausts or damages, accessible three keep off toggle switch fast switch over normally have the lithium cell of electricity to supply power.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an enlarged schematic view of a lamp cap portion according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a battery unit according to an embodiment of the present invention;
fig. 4 is an exploded view of a battery unit according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely 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, not all embodiments. 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.
Referring to the accompanying drawings 1-4 in the specification, an embodiment of the present invention provides a three-lithium battery independent power supply-based flashlight, which includes a lamp cap 200 and a barrel 100 connected to each other, a light emitting unit 210, a switch button 230 and a three-gear toggle switch 240 are disposed in the lamp cap 200, and a cylindrical battery unit 300 for supplying power to the light emitting unit 210 is disposed in the barrel 100. The battery unit 300 includes an insulating case having three independent receiving regions, each of which is provided with a lithium battery 310, respectively. The insulating shell is internally provided with a negative connecting sheet 321 communicated with the negative electrodes of the three lithium batteries 310 and a positive connecting sheet 331 respectively communicated with the positive electrodes of the three lithium batteries 310. The free end 321a of the negative connecting sheet 321 and the free ends 331a of the three positive connecting sheets 331 extend out of the insulating shell, the free end 321a of the negative connecting sheet 321 is connected with the output end of the switch key 230, the free ends 331a of the three positive connecting sheets 331 are respectively connected with the three input ends of the three-gear toggle switch 240, and the output end of the three-gear toggle switch 240 and the input end of the switch key 230 are connected with the light-emitting unit 210, so that a complete circuit loop is formed.
When the lighting device works, the lithium battery 310 for power supply is selected through the three-gear toggle switch 240, and then the light-emitting unit 210 is lightened through the switch key 230 for illumination.
The utility model discloses an adopt insulating casing to keep apart three lithium cell 310 each other, three toggle switch 240 that keep off of rethread realize three lithium cell 310's switching for three lithium cell 310 can separately the independent utility, need not each lithium cell 310 from this and keep the same type, parameter requirement, make the flashlight can adopt different batteries to use the power supply thoughtlessly. And the three lithium batteries 310 can effectively prolong the endurance of the flashlight, and when one of the lithium batteries 310 is exhausted or damaged, the normally-charged lithium battery 310 can be quickly switched to supply power through the three-gear toggle switch 240.
The embodiment of the present invention provides a voltage conversion board 220 is provided in the lamp head 200, a voltage boost circuit corresponding to three lithium batteries 310 is provided on the voltage conversion board 220, the free end of the three positive connection piece 331 is connected to the input end of the three voltage boost circuit on the voltage conversion board 220, and the output end of the three voltage boost circuit is connected to the three input end of the three-gear toggle switch 240. The voltage conversion panel 220 is configured to provide the voltage of the single lithium battery 310, so that each lithium battery 310 can output the same operating voltage to power the light emitting unit 210.
In the embodiment of the present invention, the insulating housing includes a first housing 320 and a second housing 330 that are engaged with each other.
The first housing 320 has three first partitions 320a, wherein one first partition 320a is located at the bottom of the first housing 320. The negative connecting piece 321 is embedded in the inner wall of the first casing 320 along the axial direction of the first casing 320, and has a first branch portion extending into each first partition 320a, and a first contact portion 321b is disposed at the free end of the first branch portion.
The second housing 330 has three second partitions 330a, wherein a second partition 330a is located at the top of the second housing 330; the three positive connecting pieces 331 are embedded in the inner wall of the second housing 330 along the axial direction of the second housing 330, each positive connecting piece 331 is provided with a second branch portion extending into the corresponding second partition 330a, and a free end of each second branch portion is provided with a second contact portion 331 b.
When the first case 320 and the second case 330 are engaged, the adjacent first separator 320a and second separator 330a form a receiving area, and the negative electrode of the lithium battery 310 located in the receiving area is electrically connected to the first contact portion 321b of the first separator 320a in a contact manner, and the positive electrode is electrically connected to the second contact portion 331b of the second separator 330a in a contact manner. Thereby, mutual isolation of the three lithium batteries 310 is achieved.
Optionally, in the embodiment of the present invention, a first buffer spacer 322 is disposed on the bottom surface of the first partition 320a located at the bottom of the first casing 320, and a second buffer spacer 333 is disposed on the top surface of the second partition 330a located at the top of the second casing 330. Therefore, the impact force on the battery unit 300 when the flashlight is impacted by the outside is reduced, and the risk of breaking the first partition plate 320a and the second partition plate 330a is reduced.
Optionally, in the embodiment of the present invention, the adjacent first partition 320a and the second partition 330a are spaced apart, and an insulating spacer 332 is disposed in the spaced apart region. Thereby, the insulation and isolation effect of the adjacent lithium batteries 310 is improved.
The above is only the preferred embodiment of the present invention, not used in the present invention, and any slight modifications, equivalent replacements and improvements made by the technical entity of the present invention to the above embodiments should be included in the protection scope of the technical solution of the present invention.
Claims (5)
1. A flashlight based on three lithium batteries for independent power supply comprises a lamp holder and a barrel body which are connected with each other, wherein a light-emitting unit is arranged in the lamp holder, and a cylindrical battery unit for supplying power to the light-emitting unit is arranged in the barrel body; a negative electrode connecting sheet communicated with the negative electrodes of the three lithium batteries and a positive electrode connecting sheet respectively communicated with the positive electrodes of the three lithium batteries are arranged in the insulating shell, and the free ends of the negative electrode connecting sheet and the three positive electrode connecting sheets extend out of the insulating shell;
the lamp holder is provided with a three-gear toggle switch, the third positive connecting piece is respectively connected with three input ends of the three-gear toggle switch, and the output end of the three-gear toggle switch is connected with the light-emitting unit.
2. The flashlight based on three lithium batteries for independent power supply of claim 1, wherein a voltage conversion plate is arranged in the lamp holder, the free ends of the three positive connecting pieces are connected with three input ends of the voltage conversion plate, and the three output ends of the voltage conversion plate are connected with three input ends of the three-gear toggle switch.
3. The three-lithium battery independent power supply-based flashlight of claim 1, wherein the insulating housing comprises a first housing and a second housing that are engaged with each other;
the first shell is provided with three first partition plates, wherein one first partition plate is positioned at the bottom of the first shell; the negative connecting piece is embedded in the inner wall of the first shell along the axial direction of the first shell and is provided with a first branch part extending towards the inside of each first partition plate, and a first contact part is arranged at the free end of each first branch part;
the second housing has three second partitions, wherein a second partition is located at the top of the second housing; the three positive connecting pieces are embedded in the inner wall of the second shell along the axial direction of the second shell, each positive connecting piece is provided with a second branch part extending towards the inside of the corresponding second partition plate, and the free end of each second branch part is provided with a second contact part;
when the first shell and the second shell are clamped, the adjacent first partition plate and the second partition plate form an accommodating area, the negative electrode of the lithium battery positioned in the accommodating area is in contact and electric connection with the first contact part on the first partition plate, and the positive electrode of the lithium battery is in contact and electric connection with the second contact part on the second partition plate.
4. The three-lithium battery independent power supply-based flashlight of claim 3, wherein a first buffer gasket is arranged on the bottom surface of the first partition plate positioned at the bottom of the first shell, and a second buffer gasket is arranged on the top surface of the second partition plate positioned at the top of the second shell.
5. The three lithium battery based independently powered flashlight of claim 4, wherein adjacent first and second separators are spaced apart and an insulating spacer is disposed within the spaced apart space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121444389.0U CN214790591U (en) | 2021-06-28 | 2021-06-28 | Flashlight based on three lithium batteries independently supply power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121444389.0U CN214790591U (en) | 2021-06-28 | 2021-06-28 | Flashlight based on three lithium batteries independently supply power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214790591U true CN214790591U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121444389.0U Active CN214790591U (en) | 2021-06-28 | 2021-06-28 | Flashlight based on three lithium batteries independently supply power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214790591U (en) |
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2021
- 2021-06-28 CN CN202121444389.0U patent/CN214790591U/en active Active
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