CN215681869U - Automatic power-off protection device of lithium battery charger - Google Patents
Automatic power-off protection device of lithium battery charger Download PDFInfo
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- CN215681869U CN215681869U CN202122167309.8U CN202122167309U CN215681869U CN 215681869 U CN215681869 U CN 215681869U CN 202122167309 U CN202122167309 U CN 202122167309U CN 215681869 U CN215681869 U CN 215681869U
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- circuit board
- transformer
- housing
- butt joint
- lithium battery
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Abstract
The utility model relates to the technical field of lithium battery chargers and discloses an automatic power-off protection device of a lithium battery charger, which comprises a bottom plate, wherein corners at the top of the bottom plate are movably connected with a housing, two sides of the housing are provided with slide ways, the slide ways are movably connected with a dust guard, the slide ways are movably connected with a rain guard, corners at the top of the bottom plate are provided with butt joint grooves, the corners at the bottom of the housing are fixedly provided with butt joint blocks, the top of the bottom plate is fixedly provided with a circuit board, the top of the circuit board is fixedly provided with a transformer, the bottom of the transformer is fixedly provided with transformer pins, and the top of the circuit board is provided with conductive grooves. This lithium battery charger auto-power-off protection device through butt joint tank bottoms fixed mounting has the iron sheet, and butt joint inside fixed mounting of piece has magnet, and the slide has been seted up to the housing both sides, and slide swing joint has the dust guard, and slide swing joint has the flashing board, has reached quick detachable and can use beneficial effect under adverse circumstances.
Description
Technical Field
The utility model relates to the technical field of lithium battery chargers, in particular to an automatic power-off protection device of a lithium battery charger.
Background
The charger adopts a high-frequency power supply technology and applies an advanced intelligent dynamic adjustment charging technology. The charger is divided into a power frequency machine and a high frequency machine according to the working frequency of a designed circuit. The power frequency machine is designed by the traditional analog circuit principle.
Lithium battery charger in the existing market is mostly closed, often adopts the screw to assemble, damages the back at the charger, needs to its maintenance, if do not have the instrument, can't be at all to the inside maintenance of charger.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides an automatic power-off protection device of a lithium battery charger, which has the advantages of easiness in disassembly, capability of being used in a severe environment and the like, and solves the problems in the prior art.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: an automatic power-off protection device of a lithium battery charger comprises a bottom plate, wherein corners at the top of the bottom plate are movably connected with a housing, two sides of the housing are provided with slide ways, the slide ways are movably connected with a dustproof plate, the slide ways are movably connected with a rainproof plate, corners at the top of the bottom plate are provided with butt joint grooves, corners at the bottom of the housing are fixedly provided with butt joint blocks, a circuit board is fixedly arranged at the top of the bottom plate, one side of the circuit board is fixedly connected with an alternating current inlet, one side of the circuit board, away from the alternating current inlet, is fixedly connected with a direct current outlet, the top of the circuit board is fixedly provided with a transformer, transformer pins are fixedly arranged at the bottom of the transformer, a conductive groove is formed at the top of the circuit board, the transformer is movably connected with the conductive groove through the transformer pins, a coupler is fixedly arranged at the top of the circuit board, and triodes are fixedly connected at the top of the circuit board, the rectifier is fixedly connected to the top of the circuit board, the voltage stabilizer is fixedly connected to the top of the circuit board, and the fuse is fixedly connected to the top of the circuit board.
Preferably, the circuit board positive portion is fixedly provided with a charging state display lamp, and the housing is provided with three lamp holes.
Through above-mentioned technical scheme, positive portion fixed mounting has the charge state display lamp through the circuit board, three lantern holes have been seted up to the housing, can observe the charge state of lithium cell at any time.
Preferably, the thermometer is fixedly connected to the upper portion of one side of the housing, three to five millimeter heat dissipation holes are formed in two sides of the housing, and the heat dissipation holes are uniformly distributed in the two sides of the housing.
Through above-mentioned technical scheme, through housing one side upper portion fixedly connected with thermometer, three to five millimeters louvres have been seted up to the housing both sides, and louvre evenly distributed in the housing both sides, can observe the inside temperature of charger at any time to in time with the heat release that the charger produced.
Preferably, the number of the butt joint grooves is four, iron sheets are fixedly mounted at the bottoms of the butt joint grooves, the number of the butt joint blocks is four, and magnets are fixedly mounted in the butt joint blocks.
Through above-mentioned technical scheme, be four through butt joint groove quantity, butt joint tank bottoms fixed mounting has the iron sheet, and butt joint piece quantity is four, and butt joint piece inside fixed mounting has magnet for the charger is dismantled more easily.
Preferably, the number of the transformer pins is four, the number of the conductive grooves is four, and the transformer pins are provided with clamping blocks.
Through above-mentioned technical scheme, be four through transformer stitch quantity, electrically conductive groove quantity is four, and the transformer stitch is provided with the fixture block, fixes the transformer at the circuit board top, prevents that the transformer from can not normally work after the false welding, can be used to transmit current.
Preferably, the number of the voltage regulators is two, and the voltage regulators are symmetrically arranged on two sides of the circuit board.
Through above-mentioned technical scheme, be two through stabiliser quantity, and the stabiliser symmetry is installed in circuit board both sides, can stabilize charger current input and current output voltage respectively.
Compared with the prior art, the utility model provides an automatic power-off protection device of a lithium battery charger, which has the following beneficial effects:
1. this automatic power-off protection device of lithium battery charger is four through symmetrical groove quantity, and butt joint tank bottom fixed mounting has the iron sheet, and butt joint block quantity is four, and butt joint block inside fixed mounting has magnet for the charger dismantles more easily, and the housing of being convenient for has reached quick detachable beneficial effect with the independent assortment of bottom plate.
2. This lithium battery charger auto-power-off protection device has seted up the slide through the housing both sides, and slide swing joint has the dust guard, and slide swing joint has the weather shield, prevents that the charger from intaking, prevents inside the dust gets into the charger, influences the internal circuit and uses, has reached the beneficial effect that can use under adverse circumstances.
Drawings
FIG. 1 is a perspective view of a charger according to the present invention;
FIG. 2 is a perspective view of the structural enclosure of the present invention;
fig. 3 is a schematic perspective view of a circuit board according to the present invention.
Wherein: 1. a base plate; 2. a housing; 201. a slideway; 202. a dust-proof plate; 203. a flashing board; 3. a butt joint groove; 4. a thermometer; 5. a butt joint block; 6. a circuit board; 7. an alternating current inlet; 8. a direct current output port; 9. a transformer; 901. a transformer pin; 10. a conductive slot; 11. a light coupler; 12. a triode; 13. a rectifier; 14. a voltage regulator; 15. and a fuse.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an automatic power-off protection device for a lithium battery charger comprises a base plate 1, a casing 2 is movably connected to the top corner of the base plate 1, slide ways 201 are arranged on two sides of the casing 2, the slide ways 201 are movably connected with a dust-proof plate 202, the slide ways 201 are movably connected with a rain-proof plate 203, a butt-joint groove 3 is arranged on the top corner of the base plate 1, a butt-joint block 5 is fixedly arranged on the bottom corner of the casing 2, a circuit board 6 is fixedly arranged on the top of the base plate 1, an alternating current access 7 is fixedly connected to one side of the circuit board 6, a direct current output port 8 is fixedly connected to the side of the circuit board 6 away from the alternating current access 7, a transformer 9 is fixedly arranged on the top of the circuit board 6, transformer pins 901 are fixedly arranged on the bottom of the transformer 9, a conductive groove 10 is arranged on the top of the circuit board 6, the transformer 9 is movably connected with the conductive groove 10 through the transformer pins 901, and a coupler 11 is fixedly arranged on the top of the circuit board 6, the top of the circuit board 6 is fixedly connected with a triode 12, the top of the circuit board 6 is fixedly connected with a rectifier 13, the top of the circuit board 6 is fixedly connected with a voltage stabilizer 14, and the top of the circuit board 6 is fixedly connected with a fuse 15.
Specifically, circuit board 6 portion fixed mounting has the state of charge display lamp, and three lantern hole has been seted up to housing 2, and the advantage is through circuit board 6 portion fixed mounting has the state of charge display lamp, and three lantern hole has been seted up to housing 2, can observe the state of charge of lithium cell at any time.
Specifically, casing 2 one side upper portion fixedly connected with thermometer 4, three to five millimeters louvres have been seted up to casing 2 both sides, and louvre evenly distributed in casing 2 both sides, and the advantage is through casing 2 one side upper portion fixedly connected with thermometer 4, and three to five millimeters louvres have been seted up to casing 2 both sides, and louvre evenly distributed in casing 2 both sides, can observe the inside temperature of charger at any time to in time with the heat release that the charger produced.
Specifically, 3 quantity of butt joint groove are four, and 3 bottom fixed mounting in butt joint groove has the iron sheet, and butt joint piece quantity is four, and 5 inside fixed mounting of butt joint piece have magnet, and the advantage is through 3 quantity of butt joint groove being four, and 3 bottom fixed mounting in butt joint groove have the iron sheet, and 5 quantity of butt joint piece are four, and 5 inside fixed mounting of butt joint piece have magnet for the charger is dismantled more easily.
Specifically, the number of the transformer pins 901 is four, the number of the conductive grooves 10 is four, and the transformer pins 901 are provided with the fixture blocks, so that the transformer 9 is fixed on the top of the circuit board 6, the transformer 9 is prevented from being incapable of normally working after insufficient soldering, and the transformer can be used for transmitting current.
Specifically, the number of the voltage regulators 14 is two, and the voltage regulators 14 are symmetrically installed on two sides of the circuit board 6, so that the advantage is that the number of the voltage regulators 14 is two, and the voltage regulators 14 are symmetrically installed on two sides of the circuit board 6, so that the current input and the current output voltage of the charger can be respectively stabilized.
When using, this lithium battery charger automatic power-off protection device through 6 top fixed mounting of circuit board has transformer 9, changes charger voltage output, through 6 top fixed mounting of circuit board has rectifier 13, turns into the direct current with the alternating current, inputs the lithium cell with the electric current through direct current delivery outlet 8.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a lithium battery charger automatic power-off protection device, includes bottom plate (1), its characterized in that: the improved structure of the transformer is characterized in that the top corner of the bottom plate (1) is movably connected with a housing (2), the two sides of the housing (2) are provided with slide ways (201), the slide ways (201) are movably connected with a dust guard (202), the slide ways (201) are movably connected with a rain guard (203), the top corner of the bottom plate (1) is provided with a butt joint groove (3), the bottom corner of the housing (2) is fixedly provided with a butt joint block (5), the top of the bottom plate (1) is fixedly provided with a circuit board (6), one side of the circuit board (6) is fixedly connected with an alternating current access port (7), one side of the circuit board (6) far away from the alternating current access port (7) is fixedly connected with a direct current output port (8), the top of the circuit board (6) is fixedly provided with a transformer (9), the bottom of the transformer (9) is fixedly provided with a transformer pin (901), and the top of the circuit board (6) is provided with a conductive groove (10), the transformer (9) is movably connected with the conductive groove (10) through a transformer pin (901), a light coupler (11) is fixedly mounted at the top of the circuit board (6), a triode (12) is fixedly connected at the top of the circuit board (6), a rectifier (13) is fixedly connected at the top of the circuit board (6), a voltage stabilizer (14) is fixedly connected at the top of the circuit board (6), and a fuse (15) is fixedly connected at the top of the circuit board (6).
2. The automatic power-off protection device of the lithium battery charger according to claim 1, characterized in that: the positive part of the circuit board (6) is fixedly provided with a charging state display lamp, and the housing (2) is provided with three lamp holes.
3. The automatic power-off protection device of the lithium battery charger according to claim 1, characterized in that: the thermometer is characterized in that a thermometer (4) is fixedly connected to the upper portion of one side of the housing (2), three to five-millimeter radiating holes are formed in the two sides of the housing (2), and the radiating holes are evenly distributed in the two sides of the housing (2).
4. The automatic power-off protection device of the lithium battery charger according to claim 1, characterized in that: the butt joint groove (3) quantity is four, butt joint groove (3) bottom fixed mounting has the iron sheet, butt joint piece (5) quantity is four, butt joint piece (5) inside fixed mounting has magnet.
5. The automatic power-off protection device of the lithium battery charger according to claim 1, characterized in that: the number of the transformer pins (901) is four, the number of the conductive grooves (10) is four, and the transformer pins (901) are provided with clamping blocks.
6. The automatic power-off protection device of the lithium battery charger according to claim 1, characterized in that: the number of the voltage stabilizers (14) is two, and the voltage stabilizers (14) are symmetrically arranged on two sides of the circuit board (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122167309.8U CN215681869U (en) | 2021-09-08 | 2021-09-08 | Automatic power-off protection device of lithium battery charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122167309.8U CN215681869U (en) | 2021-09-08 | 2021-09-08 | Automatic power-off protection device of lithium battery charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215681869U true CN215681869U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122167309.8U Active CN215681869U (en) | 2021-09-08 | 2021-09-08 | Automatic power-off protection device of lithium battery charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215681869U (en) |
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2021
- 2021-09-08 CN CN202122167309.8U patent/CN215681869U/en active Active
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