CN203522245U - flashlight power supply - Google Patents

flashlight power supply Download PDF

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Publication number
CN203522245U
CN203522245U CN201320595554.1U CN201320595554U CN203522245U CN 203522245 U CN203522245 U CN 203522245U CN 201320595554 U CN201320595554 U CN 201320595554U CN 203522245 U CN203522245 U CN 203522245U
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CN
China
Prior art keywords
power supply
rechargeable battery
flashlight
shell
hole
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.)
Expired - Lifetime
Application number
CN201320595554.1U
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Chinese (zh)
Inventor
武秀斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Chuangshida Industrial Co ltd
Original Assignee
Trusda Industrial Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Trusda Industrial Co ltd filed Critical Trusda Industrial Co ltd
Priority to CN201320595554.1U priority Critical patent/CN203522245U/en
Application granted granted Critical
Publication of CN203522245U publication Critical patent/CN203522245U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The utility model discloses a flashlight power supply, it sets up the power supply unit within the shell including a cylindrical shell and one, wherein, power supply unit is including a rechargeable battery, the charging circuit that an output side is connected with rechargeable battery, one is connected in the input port of charging circuit input side, a DC-DC boost circuit that input side and rechargeable battery are connected, one is connected in the output port of DC-DC boost circuit output side, one is connected in rechargeable battery's charge-discharge protection circuit, one can connect in the anodal positive conducting strip of rechargeable battery and at least one through charge-discharge protection circuit and connect in the negative pole conducting strip of rechargeable battery negative pole, be formed with a first through-hole that matches in the input port and a second through-hole that matches in the output port on the shell respectively, input port and output port are accomodate and are put in the shell and correspond the setting with first through-hole and second through-hole respectively, positive pole and negative pole then set up on the terminal surface of shell.

Description

Flashlight power supply
Technical Field
The utility model relates to a portable power source especially indicates a power for flashlight.
Background
Due to the advantage of portability, flashlights are widely used in daily life, for example, in outdoor activities or when a household has a power failure, the flashlights are often used as lighting tools. Traditionally, flashlights use primary batteries such as zinc-manganese batteries as power sources, and the primary batteries are discarded after the power is exhausted, so that the flashlights are not in line with the requirements of energy conservation, environmental protection and sustainable development and are gradually eliminated. For the purpose of energy saving and environmental protection, secondary batteries such as nickel-hydrogen rechargeable batteries, lithium ion rechargeable batteries, etc. are gradually used as the power source of flashlights, however, the conventional secondary batteries for flashlights are often equipped with a special charging seat or charger to charge the batteries, which causes inconvenience to users. In addition, the conventional flashlight power supply has a single function and is only used for providing working power for the flashlight, which often cannot meet various use requirements of users, for example, in outdoor activities, users often carry various electronic digital products, and when the electric quantity of batteries carried by the electronic digital products is exhausted and the power is required to be supplemented, the flashlight power supply cannot be used for charging the electronic digital products.
Disclosure of Invention
The utility model aims to solve the technical problem that a flashlight power is provided, it not only can be used as the power of flashlight, still can be used as the charging source of other electronic digital products.
In order to solve the technical problem, the utility model discloses a as follows technical scheme: a flashlight power supply comprises a columnar shell and a power supply device arranged in the shell, wherein the power supply device comprises a rechargeable battery, a charging circuit, an input port, a DC-DC booster circuit, an output port, a charging and discharging protection circuit, an anode conducting sheet and at least one cathode conducting sheet, the charging and discharging protection circuit is connected with the rechargeable battery, the input port is connected with the input side of the charging circuit, the DC-DC booster circuit is connected with the rechargeable battery, the output port is connected with the output side of the DC-DC booster circuit, the charging and discharging protection circuit is connected with the rechargeable battery, the anode conducting sheet is connected with the anode of the rechargeable battery, the cathode conducting sheet is connected with the cathode of the rechargeable battery through the charging and discharging protection circuit, a first through hole and a second through hole are formed in the shell respectively, the input port and the output port are arranged in the shell and are arranged corresponding to the first through hole and the second through hole respectively, and the anode conducting sheet and the cathode conducting sheet are arranged on the end face of the shell.
In the power supply structure of the flashlight, the positive conductive plate is disposed at an end of the housing through a spring, and includes a cylindrical portion, an outer end surface formed at an outer end of the cylindrical portion, and a contact portion formed at an inner end of the cylindrical portion, wherein the spring is sleeved outside the cylindrical portion, when the positive conductive plate is pressed down, the contact portion contacts with the positive electrode of the rechargeable battery, and when the positive conductive plate is jacked up by the spring, the contact portion does not contact with the positive electrode of the rechargeable battery.
In the flashlight power supply structure, two negative conductive plates are arranged.
In the flashlight power supply structure, one negative conductive plate is arranged on one end face of the shell, and the other negative conductive plate is arranged on the other end face of the shell.
In the flashlight power supply structure, the negative electrode conducting strip is semi-annular.
In the flashlight power supply structure, the input port, the output port and one negative electrode conducting plate are arranged on one end face of the shell together, the outer end face of the positive electrode conducting plate is circular, and the positive electrode conducting plate and the other negative electrode conducting plate are arranged on the other end face of the shell together.
In the flashlight power supply structure, the input port is a mini-USB port or a micro-USB port.
In the flashlight power supply structure, the output port is a standard USB port.
In the flashlight power supply structure, the shell is cylindrical.
The utility model has the advantages of: the flashlight power supply comprises a shell and a power supply device arranged in the shell, wherein the power supply device comprises a rechargeable battery, a charging circuit, an input port, a DC-DC booster circuit and an output port, the charging circuit is connected with the rechargeable battery at the output side, the DC-DC booster circuit is connected with the rechargeable battery at the input side, the output port is connected with the output side of the DC-DC booster circuit, so that the power supply device can be charged by an external power supply through the arrangement of the charging circuit and the input port, and the power supply device can be used for charging electronic digital products through the arrangement of the DC-DC booster circuit and the output port, so that different use requirements of users are met.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of another angle of the present invention.
Fig. 3 is a schematic sectional structure diagram of the present invention.
Fig. 4 is a partially enlarged view of fig. 3.
Fig. 5 is a schematic block diagram of the power supply device of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1 to 3, in an embodiment of the present invention, the flashlight power supply includes a cylindrical housing 10 and a power supply device 20 disposed inside the housing 10, please refer to fig. 5, the power supply device 20 includes a rechargeable battery 21, a charging circuit 22 having an output side connected to the rechargeable battery 21, an input port 23 connected to an input side of the charging circuit 22, a DC-DC boost circuit 24 having an input side connected to the rechargeable battery 21, an output port 25 connected to an output side of the DC-DC boost circuit 24, a charging and discharging protection circuit 26 connected to the rechargeable battery 21, an anode conductive sheet 27 connectable to an anode of the rechargeable battery 21, and at least one cathode conductive sheet 28 connected to a cathode of the rechargeable battery 21 through the charging and discharging protection circuit 26, wherein a first through hole 11 matched to the input port 23 and a second through hole 12 matched to the output port 25 are respectively formed on the housing 10, the input port 23 and the output port 25 are received in the housing 10 and are respectively disposed corresponding to the first through hole 11 and the second through hole 12, and the housing 10 is disposed on an end surface of the anode conductive sheet 28.
When the flashlight power supply is used, the flashlight power supply pack is arranged in a flashlight, the positive conducting strip 27 and the negative conducting strip 28 on the flashlight power supply pack are respectively contacted with the positive contact point and the negative contact point of the flashlight, so that the flashlight power supply pack can be used as an operating power supply of the flashlight, in the embodiment shown in the drawing, the shell 10 of the flashlight power supply is designed to be cylindrical, so that the flashlight power supply pack is suitable for a common flashlight, and of course, according to different flashlight structures, in other embodiments, the shell 10 can also be designed to be of a cylindrical structure such as a straight prism; during charging, the rechargeable battery 21 is connected with an external power supply through the input port 23, direct current of the external power supply is input through the input port 23 and then is processed by the charging circuit 22, wherein overcharge protection is provided for charging of the flashlight power supply through the charging and discharging protection circuit 26, preferably, the input port 23 adopts a mini-USB port or a micro-USB port, so that the compatibility of the power supply device 20 to the external power supply can be improved, and the external power supply with a 5V output port can be directly charged for the flashlight power supply; when the charging protection circuit is used as a charging power supply, the charging protection circuit is connected with an electronic digital product to be charged through the output port 25, the direct current output by the rechargeable battery 21 is subjected to boosting processing by the DC-DC boosting circuit 24, and then the constant voltage output is provided for the electronic digital product through the output port 25, so that the electronic digital product is charged, wherein the charging protection circuit 26 is used for providing over-discharge protection for the discharging of the flashlight power supply, preferably, the output port 23 is a standard USB port, and thus, any 5V electronic digital product can be charged through the configured standard USB port.
Referring to the drawings, in some embodiments of the present invention, there are two negative conductive sheets 28, one negative conductive sheet 28 is used for electrically connecting to the negative contact of the flashlight, and the other negative conductive sheet 28 is used for electrically connecting to the switch of the flashlight for controlling the switch of the flashlight. Referring to fig. 1 and 2, in the preferred embodiment of the present invention, one negative conductive plate 28 is disposed on one end surface of the housing 10, and the other negative conductive plate 28 is disposed on the other end surface of the housing 10, so as to provide convenience for the implementation of the tail/neck switch of the flashlight.
Referring to fig. 1-2, in some preferred embodiments of the present invention, the negative conductive plate 28 is designed to be a semi-ring structure, so that when the negative conductive plate 28 is disposed on the end surface of the housing 10, the semi-ring structure can improve the utilization rate of the end surface of the housing 10, and effectively save the position of the end surface of the housing 10 for the input port 23, the output port 25 and/or the positive conductive plate 27, so that the structure of the flashlight power supply is compact and beautiful.
Referring to fig. 1, in the preferred embodiment of the present invention, the input port 23, the output port 25 and a negative conductive sheet 28 are commonly disposed at one end face of the housing 10. Referring to fig. 2, in the preferred embodiment of the present invention, the outer end surface of the positive conductive plate 27 is designed in a circular structure, which is disposed at one end surface of the case 10 together with a negative conductive plate 28.
In order to avoid the short circuit between the positive electrode and the negative electrode when the flashlight power supply is in use, it is preferable that the flashlight power supply adopts a structure that the positive electrode conductive sheet 27 is pressed downwards, as shown in fig. 4, the positive electrode conductive sheet 27 is disposed at the end of the housing 10 through a spring 29, and includes a column portion 270, an outer end surface 271 formed at the outer end of the column portion 270, and a contact portion 272 formed at the inner end of the column portion 270, wherein the spring 29 is sleeved on the column portion 210, when the positive electrode conductive sheet 27 is pressed downwards, the contact portion 272 contacts with the positive electrode of the rechargeable battery 21, and when the positive electrode conductive sheet 27 is pressed downwards, the contact portion 272 does not contact with the positive electrode of the rechargeable battery 21.
The foregoing is considered as illustrative of the preferred embodiments of the invention, and not as limiting the invention in any way. Various equivalent changes and modifications can be made on the basis of the above embodiments by those skilled in the art, and all equivalent changes and modifications within the scope of the claims should fall within the protection scope of the present invention.

Claims (9)

1. A flashlight power supply is characterized by comprising a columnar shell (10) and a power supply device (20) arranged in the shell (10), wherein the power supply device (20) comprises a rechargeable battery (21), a charging circuit (22) of which the output side is connected with the rechargeable battery (21), an input port (23) connected to the input side of the charging circuit (22), a DC-DC boosting circuit (24) of which the input side is connected with the rechargeable battery (21), an output port (25) connected to the output side of the DC-DC boosting circuit (24), a charging and discharging protection circuit (26) connected with the rechargeable battery (21), a positive electrode conducting sheet (27) capable of being connected with the positive electrode of the rechargeable battery (21), a negative electrode conducting sheet (28) connected with the negative electrode of the rechargeable battery (21) through the charging and discharging protection circuit (26), a first through hole (11) matched with the input port (23) and a second through hole (12) matched with the output port (25) are formed in the shell (10), and at least one through hole (23) and at least one second through hole (12) are respectively arranged in the shell (10) and correspond to the first through hole (11) and the second through hole (12), the positive conducting strip (27) and the negative conducting strip (28) are arranged on the end face of the shell (10).
2. The flashlight power supply of claim 1 wherein the positive conductive tab (27) is disposed at the end of the housing (10) by a spring (29) including a post (270), an outer end surface (271) formed at the outer end of the post (270), and a contact (272) formed at the inner end of the post (270), wherein the spring (29) is sleeved on the post (210), the contact (272) contacts the positive electrode of the rechargeable battery (21) when the positive conductive tab (27) is depressed, and the contact (272) does not contact the positive electrode of the rechargeable battery (21) when the positive conductive tab (27) is lifted by the spring (29).
3. The flashlight power supply of claim 1 or 2 wherein there are two negative conductive tabs (28).
4. The flashlight power supply of claim 3 wherein one negative conductive tab (28) is disposed on one end of said housing (10) and another negative conductive tab (28) is disposed on another end of said housing (10).
5. The flashlight power supply of claim 4 wherein said negative conductive tab (28) is semi-annular.
6. The flashlight power supply of claim 5 wherein said input port (23), output port (25) and a negative conductive tab (28) are disposed together at one end of said housing (10), said positive conductive tab (27) having a circular outer end surface which is disposed together with another negative conductive tab (28) at another end of said housing (10).
7. The flashlight power supply of claim 1 wherein the input port (23) is a mini-USB port or a micro-USB port.
8. The flashlight power supply of claim 1 or 7 wherein the output port (23) is a standard USB port.
9. The flashlight power supply of claim 1 wherein the housing (10) is cylindrical.
CN201320595554.1U 2013-09-25 2013-09-25 flashlight power supply Expired - Lifetime CN203522245U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320595554.1U CN203522245U (en) 2013-09-25 2013-09-25 flashlight power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320595554.1U CN203522245U (en) 2013-09-25 2013-09-25 flashlight power supply

Publications (1)

Publication Number Publication Date
CN203522245U true CN203522245U (en) 2014-04-02

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ID=50381120

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320595554.1U Expired - Lifetime CN203522245U (en) 2013-09-25 2013-09-25 flashlight power supply

Country Status (1)

Country Link
CN (1) CN203522245U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108105610A (en) * 2016-11-24 2018-06-01 上海航空电器有限公司 A kind of flashlight

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108105610A (en) * 2016-11-24 2018-06-01 上海航空电器有限公司 A kind of flashlight

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C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 518000 2nd Floor, Lianchuang Science Park, Bulan Road, Nanwan Street, Longgang District, Shenzhen City, Guangdong Province

Patentee after: Shenzhen Chuangshida Industrial Co.,Ltd.

Address before: 518000 2nd Floor, Lianchuang Science Park, Bulan Road, Nanwan Street, Longgang District, Shenzhen City, Guangdong Province

Patentee before: TRUSDA INDUSTRIAL Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20140402