CN101832477A - Flashlight - Google Patents
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- CN101832477A CN101832477A CN201010159672A CN201010159672A CN101832477A CN 101832477 A CN101832477 A CN 101832477A CN 201010159672 A CN201010159672 A CN 201010159672A CN 201010159672 A CN201010159672 A CN 201010159672A CN 101832477 A CN101832477 A CN 101832477A
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- rechargeable battery
- filling block
- cathode contact
- battery
- flashlight
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Abstract
The invention discloses a flashlight, which comprises a flashlight body provided with a head and a cylinder body. The head is provided with a light source; and the cylinder body is provided with a battery cavity for accommodating a dry battery and a tail cover. An anode contact is arranged at the bottom of the battery cavity; the tail cover is provided with a cathode contact; the flashlight also comprises a filling block adapted to a rechargeable battery; after being combined with the rechargeable battery, the filling block is adapted to the battery cavity; the rechargeable battery is provided with a first end and a second end; the first end of the rechargeable battery is provided with an anode used for contacting the anode contact of the battery cavity; the second end of the rechargeable battery is provided with a cathode; the filling block is provided with a first end and a second end; the first end of the filling block is provided with a cathode contact used for contacting the cathode of the second end of the rechargeable battery; and the second end of the filling block is provided with a cathode used for contacting the cathode contact on the tail cover, and the cathode contact of the filling block is conducted with the cathode through a conductor. The filling block is added in the flashlight so that the flashlight can be powered by the rechargeable battery and the common dry battery.
Description
Technical field
The present invention relates to the portable illumination device field, more particularly, relate to a kind of flashlight.
Background technology
At present, most flashlight all adopts a kind of powered battery, or is dry cell, or is exactly rechargeable battery.If only adopt dry cell power supply, will cause frequent replacing battery, cumbersome; If only adopt rechargeable battery powered, because the electric weight of rechargeable battery needs a few hours even the charging of the time more than tens hours when exhausting, bring restriction for the application of flashlight, when field work such as speedily carrying out rescue work, can not in time not charge when battery has electricity, this can make troubles to the user.
For addressing the above problem, also there are some new flashlights to occur, for example a Chinese patent ZL200720051248.6 discloses a kind of flashlight, this flashlight has a rechargeable battery chamber and a dry cell chamber, can pack into simultaneously rechargeable battery and dry cell, dry cell adopts dry cell power supply as reserve battery when the electric weight of rechargeable battery exhausts.Though this flashlight has long cruising time, rechargeable battery and dry cell because flashlight is packed into simultaneously can cause the overall dimensions of flashlight to become big, and weight increases, and reduces the portable capability of flashlight, brings a lot of inconveniences to use.
In addition, more existing flashlights, for example adopt the battery powered flashlight of AA, because the rechargeable battery and the dry cell of AA model are all more common, so can exchange use, but the capacity of AA size battery is less, flying power is poor, battery need be taken off during charging, bring a lot of inconvenience to use equally.
In rechargeable battery, a kind of 18650 type lithium batteries are arranged, it is that a kind of diameter is 18mm, length is the battery of the cylinder type of 65mm, is a kind of lithium battery relatively more commonly used in electronic product, uses as electric core in the battery of the notebook computer of being everlasting, it is big to have capacity, advantages such as technical maturity, but because the restriction of physical dimension, this 18650 type batteries seldom adopt in flashlight.
Summary of the invention
The object of the invention is to provide a kind of flashlight.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of flashlight, comprise the torch body, described torch body comprises head and stack shell, described head has light source, described stack shell has the battery cavities that is used to lay dry cell, and covers the tail-hood at the stack shell afterbody, and the bottom of described battery cavities has cathode contact, described tail-hood has cathode contact
Described flashlight comprises also and the adaptive filling block of rechargeable battery that described filling block and rechargeable battery combination back are adaptive with described battery cavities;
Described rechargeable battery has first end and second end, and first end of rechargeable battery has and is used for the positive pole that contacts with the cathode contact of battery cavities, and second end of rechargeable battery has negative pole;
Described filling block has first end and second end, first end of filling block has and is used for the cathode contact that contacts with the negative pole of second end of rechargeable battery, second end of described filling block has and is used for the negative pole that contacts with the cathode contact of tail-hood, and the cathode contact of described filling block and negative pole are by the conductor conducting.
In flashlight of the present invention, second end of described rechargeable battery also has positive pole, first end of described filling block also has and is used for the cathode contact that contacts with the positive pole of second end of rechargeable battery, second end of described filling block has positive pole, the cathode contact of described filling block and anodal by the conductor conducting, described tail-hood have and are used for the cathode contact that contacts with the positive pole of filling block;
Described tail-hood has the charging inlet that is used for rechargeable battery charging, and described charging inlet has positive pole and negative pole, and the positive pole of described charging inlet and negative pole are conducted with the cathode contact and the cathode contact of described tail-hood respectively.
In flashlight of the present invention, first end of described rechargeable battery also has negative pole, and the positive pole of first end of described rechargeable battery and negative pole are symmetrical arranged with the positive pole and the negative pole of its second end respectively.
In flashlight of the present invention, second end of described filling block just very circular, the negative pole of second end of described filling block be and the annular of described circular shape concentric, has the insulation endless belt between the positive pole of the negative pole of described annular and circle.
In flashlight of the present invention, the cathode contact of described tail-hood is first helical spring, and the cathode contact of described tail-hood is second helical spring, and first helical spring is enclosed within the second helical spring outside.
In flashlight of the present invention, the cathode contact of first end of described filling block and the orientation of cathode contact are square parallel with the height of second end of rechargeable battery.
In flashlight of the present invention, described filling block is cylindrical, and first end of described filling block has the two sections relative sidewalls that stretched out and formed by its end face, and the distance between the sidewall of two ends is suitable with the width of rechargeable battery second end.
In flashlight of the present invention, the inwall of described battery cavities has the location convex tendon that is used for the rechargeable battery location, and described location convex tendon extends along the stack shell length direction.
In flashlight of the present invention, described dry cell is a D type battery, described battery cavities is cylindrical, volume with three joint D type batteries, described rechargeable battery is formed by the encapsulation of four joints, 18650 lithium batteries, described four joints, 18650 lithium batteries are connected in parallel, and array packages is together along its length after side by side in twos for described four joints, 18650 lithium batteries.
Implement flashlight of the present invention, have following beneficial effect: in flashlight of the present invention,, make flashlight can use the rechargeable battery powered general dry battery power supply of using again by increasing a filling block.Filling block has solved rechargeable battery and the inconsistent problem of general dry battery size, makes rechargeable battery and common batteries can use same battery cavities.Further, also the circuit of flashlight is improved, make rechargeable battery in flashlight, can realize charging, do not need rechargeable battery is taken out charging, make the use of torch convenient at flashlight of the present invention.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the generalized section of the preferred embodiment of flashlight of the present invention when packing rechargeable battery into;
Fig. 2 is the generalized section of the preferred embodiment of flashlight of the present invention when packing general dry battery into;
Fig. 3 is the schematic diagram of general dry battery group;
Fig. 4 is the schematic diagram that rechargeable battery cooperates with filling block;
Fig. 5 is the schematic diagram of filling block;
Fig. 6 is the schematic diagram of another angle of filling block;
Fig. 7 is the structural representation of the cylindrical shell of flashlight;
Fig. 8 is the schematic cross-section of the cylindrical shell of flashlight;
Fig. 9 is the schematic cross-section when packing dry cell in the cylindrical shell of flashlight;
Figure 10 is the schematic cross-section when packing rechargeable battery in the cylindrical shell of flashlight;
Figure 11 is the schematic diagram of rechargeable battery;
Figure 12 is the schematic diagram of second end face of rechargeable battery;
Figure 13 is a rechargeable battery and the schematic diagram that cooperates of filling block;
Figure 14 is the electrical schematic diagram of flashlight.
The specific embodiment
Understand for technical characterictic of the present invention, purpose and effect being had more clearly, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
As depicted in figs. 1 and 2, a preferred embodiment for flashlight of the present invention, the flashlight of this embodiment both can use three joint D type powered battery, also can adopt the rechargeable battery powered of four joints, 18650 type lithium batteries encapsulation formation, No. 1 battery that D shape battery is promptly often said, nominal size (tack size) is length 59mm, diameter 33mm.Describe the structure of this flashlight in detail below in conjunction with accompanying drawing.
Referring to Fig. 1 to Fig. 4, and Figure 11, Figure 13, the flashlight of present embodiment comprises the torch body, the torch body comprises head 100, with stack shell 200, head 100 has light source, and stack shell 200 has the battery cavities 210 that is used to lay dry cell 300, and covers the tail-hood 220 at stack shell 200 afterbodys, battery cavities 210 is cylindrical, its bottom has cathode contact 211, has cathode contact 221 on the tail-hood 220, and battery cavities 210 can hold three joint D shape dry cells 300.In this example, rechargeable battery 400 adopts 18650 batteries to form as electric core encapsulation, the nominal size of 18650 batteries is length 65mm, diameter 18mm, because the length after the three joint D type battery combination is about 182mm (adding the length of anodal projection), diameter is 33mm, the rechargeable battery 400 of described present embodiment adopts the encapsulation of four joints, 18650 type lithium batteries to form, array packages is together along its length after side by side in twos for four joints, 18650 type lithium batteries, roughly elongated after the encapsulation, the length of rechargeable battery 400 is 136mm, the width of its end face is 18.5mm, highly is 37mm, all is applicable to battery cavities 210 in order to make dry cell 300 and rechargeable battery 400, the diameter of battery cavities 210 is made as 37mm, and length is about 182mm.In order to solve the inconsistent problem of length of rechargeable battery 400 and D type battery pack, flashlight of the present invention also comprises filling block 500, filling block 500 is cylindrical in the present embodiment, length 46mm, diameter 33mm, the length after rechargeable battery 400 makes up with filling block 500 and the size of battery cavities 210 are suitable, make rechargeable battery 400 can be applied to this flashlight.
Referring to Fig. 7 to Figure 10, in order to prevent that dry cell 300 and rechargeable battery 400 from rocking in battery cavities 210, the present invention also improves the inwall of battery cavities, as shown in Figure 7, many location convex tendons 212 on the battery inwall, have been set up, location convex tendon 212 extends along the length direction of stack shell 200, the height of location convex tendon 212 is 2mm, the diameter of the circumference that the convex tendon 212 that makes limits is 33mm, suitable with the diameter of dry cell 300, the distance of adjacent two location convex tendons 212 is advisable just to block rechargeable battery 400, as shown in figure 10, the two sides of rechargeable battery 400 are stuck between the two adjacent location convex tendons 212, prevent that rechargeable battery 400 from shaking in battery cavities.
Above the structure of stack shell is introduced, introducing rechargeable battery 400 and dry cell 300 below is how to realize shared same loop.Referring to Fig. 1, Figure 11 and Figure 12, in the present embodiment, first end 410 and second end 420 of rechargeable battery 400 all have positive pole and negative pole, and the electrode at two ends is symmetrically distributed, can prevent the battery reversal connection like this, existing is the structure of example explanation electrode with second end 420, and the center of second end 420 has circular positive pole 421, around circular positive pole 421 an insulation endless belt 422 being arranged, is negative pole 423 outside the insulation endless belt 422.Referring to Fig. 5 and Fig. 6, first end 510 of filling block 500 has cathode contact 511 and the cathode contact 512 corresponding with the positive pole 421 of second end 420 of rechargeable battery 400 and negative pole 423, second end 520 of filling block 500 has positive pole 521 and negative pole 523, wherein anodal 521 is circular, negative pole 523 is the annular concentric with the positive pole 521 of circle, has insulation endless belt 522 between the positive pole 521 of the negative pole 523 of annular and circle, the cathode contact 511 of filling block 500 passes through conductor conducting (not shown) with anodal 521, and cathode contact 512 passes through conductor conducting (not shown) with negative pole 523.Tail-hood 220 has a cathode contact 222 and cathode contact 221, in the present embodiment, cathode contact 221 is first helical spring, and cathode contact 222 is second helical spring, first helical spring is enclosed within the second helical spring periphery, and first spring and second spring do not contact.When packing battery cavities 210 into after rechargeable battery 400 makes up with filling block 400, the positive pole of first end 410 of rechargeable battery contacts with the cathode contact 211 of battery cavities 210, negative pole is vacant not to be used, the positive pole 421 of second end 420 of rechargeable battery 400 contacts with the cathode contact 511 of first end 510 of filling block 500, negative pole 423 contacts with cathode contact 512, the negative pole 523 of second end 520 of filling block 500 contacts with the cathode contact 221 of tail-hood 220, thereby the negative pole of rechargeable battery 400 is incorporated in the lighting loop of flashlight.Tail-hood 220 also has the charging inlet 223 that is used for rechargeable battery 400 chargings, charging inlet 223 has positive pole and negative pole, the positive pole of charging inlet 223 and cathode contact 222 conductings, the negative pole of charging inlet 223 and cathode contact 22 conductings, when rechargeable battery 400 needs charging, directly charge power supply is linked into charging inlet 223 and can realizes charging rechargeable battery 400, do not need to take off rechargeable battery and can finish charging, bring great convenience for the use of flashlight, need disconnect the lighting loop of flashlight when it should be noted that charging.Figure 14 shows the electrical schematic diagram when using rechargeable battery, and 110 is light source among the figure.
When using dry cell 300,300 series connection of three joint dry cells, the positive pole that is positioned at dry cell foremost contacts with the cathode contact 211 of battery cavities, the negative pole that is positioned at the dry cell of tail end contacts with the cathode contact 221 of tail-hood 220, the negative pole of dry cell also contacts with the cathode contact 222 of tail-hood 220, but be in open-circuit condition with cathode contact 222, do not influence the lighting loop of flashlight.
By Figure 11 and Figure 12 as can be seen, because rechargeable battery 400 is by the encapsulation side by side in twos of 18650 type lithium batteries, the physical dimension of the both direction of the end face of described rechargeable battery 400 is different, with second end 420 is example, negative pole 223 zones are longer in the short transverse of end face 420, then narrower at width, for the cathode contact 511 that guarantees filling block 500 can well contact with negative pole 423 with the positive pole 421 of rechargeable battery 400 with cathode contact 512, need the distance of the cathode contact 511 of filling block and cathode contact 512 closer, but, the distance that cathode contact 511 and cathode contact are 512 is too small then to cause short circuit easily, can cause on some direction, can not guaranteeing that cathode contact 512 effectively contacts with negative pole 423 if cathode contact 511 is excessive with cathode contact 512 spacings, for addressing this problem, in the present embodiment, filling block 500 has been done further improvement, first end 510 at filling block 500 extends outward two sections sidewalls 513 by end face, 514, two side 513, distance between 514 is suitable with the width of second end face of rechargeable battery 400, make rechargeable battery 400 can snap onto two side 513, between 514, avoid rechargeable battery 400 to rotate relative to filling block 300, the installation direction of identification rechargeable battery 400, cathode contact 511 on the filling block 500 and the orientation of cathode contact 512 are then parallel with the short transverse of second end 420 of rechargeable battery 400, both can guarantee that cathode contact 512 and cathode contact 511 had suitable spacing, and can guarantee again to contact with the good of electrode.
It is to be noted, in the present embodiment, 3.7V when rechargeable battery provides voltage, it is 4.5V that dry cell batteries provides voltage, the voltage that provides of the two is different, supply with light source after all needing to rise to the light source required voltage through a booster circuit, booster circuit adopts known booster circuit both can realize, no longer describes in detail.
In addition, in practice, if need in torch, not charge to rechargeable battery, then need charging inlet be set at tail-hood, need cathode contact be set at tail-hood yet, only need the negative pole of rechargeable battery and the cathode contact conducting of tail-hood to be got final product, do not need to be provided with cathode contact and positive pole on the filling block by filling block.The electric core of the rechargeable battery in preferred enforcement the and the model of dry cell and nonrestrictive can be selected as required, and the shape of concrete battery cavities and parameter can design according to actual needs.
In flashlight of the present invention,, make flashlight can use the rechargeable battery powered general dry battery power supply of using again by increasing a filling block.Filling block has solved rechargeable battery and the inconsistent problem of general dry battery size, makes rechargeable battery and common batteries can use same battery cavities.Further, also the circuit of flashlight is improved, make rechargeable battery in flashlight, can realize charging, do not need rechargeable battery is taken out charging, make the use of torch convenient at flashlight of the present invention.
In conjunction with the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (9)
1. a flashlight comprises the torch body, and described torch body comprises head and stack shell, described head has light source, and described stack shell has the battery cavities that is used to lay dry cell, and covers the tail-hood at the stack shell afterbody, the bottom of described battery cavities has cathode contact, and described tail-hood has cathode contact
It is characterized in that,
Described flashlight comprises also and the adaptive filling block of rechargeable battery that described filling block and rechargeable battery combination back are adaptive with described battery cavities;
Described rechargeable battery has first end and second end, and first end of rechargeable battery has and is used for the positive pole that contacts with the cathode contact of battery cavities, and second end of rechargeable battery has negative pole;
Described filling block has first end and second end, first end of filling block has and is used for the cathode contact that contacts with the negative pole of second end of rechargeable battery, second end of described filling block has and is used for the negative pole that contacts with the cathode contact of tail-hood, and the cathode contact of described filling block and negative pole are by the conductor conducting.
2. flashlight according to claim 1 is characterized in that,
Second end of described rechargeable battery also has positive pole, first end of described filling block also has and is used for the cathode contact that contacts with the positive pole of second end of rechargeable battery, second end of described filling block has positive pole, the cathode contact of described filling block and anodal by the conductor conducting, described tail-hood have and are used for the cathode contact that contacts with the positive pole of filling block;
Described tail-hood has the charging inlet that is used for rechargeable battery charging, and described charging inlet has positive pole and negative pole, and the positive pole of described charging inlet and negative pole are conducted with the cathode contact and the cathode contact of described tail-hood respectively.
3. flashlight according to claim 2 is characterized in that, first end of described rechargeable battery also has negative pole, and the positive pole of first end of described rechargeable battery and negative pole are symmetrical arranged with the positive pole and the negative pole of its second end respectively.
4. flashlight according to claim 2, it is characterized in that, second end of described filling block just very circular, the negative pole of second end of described filling block be and the annular of described circular shape concentric, have the insulation endless belt between the positive pole of the negative pole of described annular and circle.
5. flashlight according to claim 4 is characterized in that, the cathode contact of described tail-hood is first helical spring, and the cathode contact of described tail-hood is second helical spring, and first helical spring is enclosed within the second helical spring outside.
6. flashlight according to claim 2 is characterized in that, the cathode contact of first end of described filling block and the orientation of cathode contact are square parallel with the height of second end of rechargeable battery.
7. flashlight according to claim 1, it is characterized in that, described filling block is cylindrical, and first end of described filling block has the two sections relative sidewalls that stretched out and formed by its end face, and the distance between the sidewall of two ends is suitable with the width of rechargeable battery second end.
8. flashlight according to claim 1 is characterized in that, the inwall of described battery cavities has the location convex tendon that is used for the rechargeable battery location, and described location convex tendon extends along the stack shell length direction.
9. according to each described flashlight of claim 1 to 8, it is characterized in that, described dry cell is a D type battery, described battery cavities is cylindrical, volume with three joint D type batteries, described rechargeable battery is formed by four joint 18650 lithium batteries encapsulation, and described four joints, 18650 lithium batteries are connected in parallel, and array packages is together along its length after side by side in twos for described four joints, 18650 lithium batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101596729A CN101832477B (en) | 2010-04-29 | 2010-04-29 | Flashlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101596729A CN101832477B (en) | 2010-04-29 | 2010-04-29 | Flashlight |
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| Publication Number | Publication Date |
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| CN101832477A true CN101832477A (en) | 2010-09-15 |
| CN101832477B CN101832477B (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101596729A Expired - Fee Related CN101832477B (en) | 2010-04-29 | 2010-04-29 | Flashlight |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012024901A1 (en) * | 2010-08-23 | 2012-03-01 | 江门市蓬江区朗达电池有限公司 | Adapter for replacing primary battery used in conjunction with secondary battery and its application method |
| CN102374387A (en) * | 2011-10-29 | 2012-03-14 | 常熟市董浜镇华进电器厂 | Rechargeable-type energy-saving electric torch with touch switch |
| CN102767695A (en) * | 2011-05-04 | 2012-11-07 | 海洋王照明科技股份有限公司 | Electric torch |
| CN111384339A (en) * | 2018-12-29 | 2020-07-07 | 江苏风和医疗器材股份有限公司 | Battery accommodating device |
| CN111384340A (en) * | 2018-12-29 | 2020-07-07 | 江苏风和医疗器材股份有限公司 | Battery accommodating device |
| CN111384338A (en) * | 2018-12-29 | 2020-07-07 | 江苏风和医疗器材股份有限公司 | Battery accommodating device |
| CN114046461A (en) * | 2021-12-01 | 2022-02-15 | 深圳市中孚能电气设备有限公司 | Tail cover and tail cover assembly |
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| CN2562036Y (en) * | 2002-04-08 | 2003-07-23 | 展升(香港)有限公司 | Back cover charger |
| CN2583492Y (en) * | 2002-11-08 | 2003-10-29 | 胡振飞 | Electric torch |
| US20030234632A1 (en) * | 2002-06-24 | 2003-12-25 | Jang-Chung Fang | Rechargeable lithium battery packet |
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2010
- 2010-04-29 CN CN2010101596729A patent/CN101832477B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2562036Y (en) * | 2002-04-08 | 2003-07-23 | 展升(香港)有限公司 | Back cover charger |
| US20030234632A1 (en) * | 2002-06-24 | 2003-12-25 | Jang-Chung Fang | Rechargeable lithium battery packet |
| CN2583492Y (en) * | 2002-11-08 | 2003-10-29 | 胡振飞 | Electric torch |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012024901A1 (en) * | 2010-08-23 | 2012-03-01 | 江门市蓬江区朗达电池有限公司 | Adapter for replacing primary battery used in conjunction with secondary battery and its application method |
| CN102767695A (en) * | 2011-05-04 | 2012-11-07 | 海洋王照明科技股份有限公司 | Electric torch |
| CN102767695B (en) * | 2011-05-04 | 2014-07-23 | 海洋王照明科技股份有限公司 | Electric torch |
| CN102374387A (en) * | 2011-10-29 | 2012-03-14 | 常熟市董浜镇华进电器厂 | Rechargeable-type energy-saving electric torch with touch switch |
| CN111384339A (en) * | 2018-12-29 | 2020-07-07 | 江苏风和医疗器材股份有限公司 | Battery accommodating device |
| CN111384340A (en) * | 2018-12-29 | 2020-07-07 | 江苏风和医疗器材股份有限公司 | Battery accommodating device |
| CN111384338A (en) * | 2018-12-29 | 2020-07-07 | 江苏风和医疗器材股份有限公司 | Battery accommodating device |
| CN111384340B (en) * | 2018-12-29 | 2024-07-05 | 江苏风和医疗器材股份有限公司 | Battery accommodating device |
| CN114046461A (en) * | 2021-12-01 | 2022-02-15 | 深圳市中孚能电气设备有限公司 | Tail cover and tail cover assembly |
| CN114046461B (en) * | 2021-12-01 | 2023-11-21 | 深圳市中孚能电气设备有限公司 | Tail cover and tail cover assembly |
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| Publication number | Publication date |
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| CN101832477B (en) | 2013-01-30 |
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