Portable flashlight for underwater use
View Patent ↗The object of the invention relates to a Portable flashlight for underwater use, which flashlight ( 10 ) has a waterproof casing ( 12 ), a rechargeable battery ( 14 ) arranged within it, a light source ( 15 ), as well as at least one charging connection ( 16, 16 p, 16 n ) arranged on the external surface of the casing ( 12 ) and electrically isolated from the casing ( 12 ), and a first electric circuit (A 1 ) is provided for ensuring electric connection between the rechargeable battery ( 14 ) and the at least one charging connection ( 16 ), and a second electric circuit (A 2 ) is provided for ensuring electric connection between the rechargeable battery ( 14 ) and the light source ( 15 ). The portable flashlight comprises a charging switching unit ( 22 ) that has—a first switch (K 11 ) connected to the first circuit (A 1 ) for breaking the first circuit (A 1 ) in a first position and for closing the first circuit (A 1 ) in a second position, and—a charging switch controller ( 29 ) for controlling the first switch (K 11 ) with the help of a first magnet ( 104 ) being outside the casing ( 12 ).
1. Portable flashlight for underwater use, which flashlight ( 10 ) has a waterproof casing ( 12 ), a rechargeable battery ( 14 ) arranged within it, a light source ( 15 ), as well as at least one charging connection ( 16 , 16 p , 16 n ) arranged on the external surface of the casing ( 12 ) and electrically isolated from the casing ( 12 ), and
a first electric circuit (A 1 ) is provided for ensuring electric connection between the rechargeable battery ( 14 ) and the at least one charging connection ( 16 ), and
a second electric circuit (A 2 ) is provided for ensuring electric connection between the rechargeable battery ( 14 ) and the light source ( 15 )
characterised by that a first control circuit (V 1 ) is provided between the two contacts ( 16 p ′, 16 n ′) of the at least one charging connection ( 16 ) and a second control circuit (V 2 ) is provided between the two poles of the rechargeable battery ( 14 ), and it comprises a charging switching unit ( 22 ) that has
a first switch (K 11 ) connected to the first circuit (A 1 ) for breaking the first circuit (A 1 ) in a first position and for closing the first circuit (A 1 ) in a second position,
a first auxiliary switch (K 12 ) connected into the second control circuit (V 2 ), breaking the second control circuit (V 2 ) in a first position, and closing it in a second position and
a charging switch controller ( 29 ) for controlling the first switch (K 11 ) and the first auxiliary switch (K 12 ) with a first magnet ( 104 ) arranged outside the casing ( 12 ),
and it comprises an operating switching unit ( 23 ) that has
a second switch (K 21 ) connected into the second circuit (A 2 ) for breaking the second circuit (A 2 ) in a first position and for closing it in a second position,
a second auxiliary switch (K 22 ) connected into the first control circuit (V 1 ) breaking the first control circuit (V 1 ) in a first position and closing it in a second position and
an operating switch controller ( 30 ) controlling the second switch (K 21 ) and the second auxiliary switch (K 22 ) with a second magnet ( 105 ) arranged in an external switching unit ( 28 ).
2. Flashlight according to claim 1 , characterised by that the charging switch controller ( 29 ) comprises:
a first magnetic switch ( 24 ) connected into the first control circuit (V 1 ), and controlled by the first magnet ( 104 ), the first magnetic switch ( 24 ) being provided for breaking the first control circuit (V 1 ) in a first position and closing the first control circuit (V 1 ) in a second position, and
a first switch controller ( 26 a ) connected into the first control circuit (V 1 ) for switching the first switch (K 11 ) from the first position to the second position.
3. Flashlight according to claim 2 , characterised by that the first magnetic switch ( 24 ) is a reed relay and the first magnet ( 104 ) is a part of the charging switch controller ( 29 ).
4. Flashlight according to claim 2 , characterised by that the charging switching unit ( 22 ) contains a first relay ( 26 ) with a power rating of at least 30 watts, and the first switch controller ( 26 a ), the first switch (K 11 ) and the first auxiliary switch (K 12 ) are a part of the first relay ( 26 ).
5. Flashlight according to claim 2 , characterised by that the first switch (K 11 ) of the charging switching unit ( 22 ) is a part of the first magnetic switch ( 24 ), and the first magnet ( 104 ) is a part of the charging switch controller ( 29 ).
6. Flashlight according to claim 1 , characterised by that it contains a disconnectable and reconnectable charging unit ( 102 ) suitable for charging the rechargeable battery ( 14 ) via the at least one charging connection ( 16 ), and the first magnet ( 104 ) is arranged in the charging unit ( 102 ).
7. Flashlight according to claim 6 , characterised by that the charging unit ( 102 ) is formed as a docking unit, which can be connected to the flashlight ( 10 ) in the case that the second magnet ( 105 ) is removed from the casing ( 12 ).
8. Flashlight according to claim 1 , characterised by that the operating switch controller ( 30 ) contains:
a second magnetic switch ( 25 ) connected into the second control circuit (V 2 ), controlled by the second magnet ( 105 ) for breaking the second control circuit (V 2 ) in a first position and for closing it in a second position, and
a second switching controller ( 27 a ) connected into the second control circuit (V 2 ) and controlled by the second magnetic switch ( 25 ), for switching the second switch (K 21 ) from the first position to the second position.
9. Flashlight according to claim 8 , characterised by that the second magnetic switch ( 25 ) is a reed relay, and the second magnet ( 105 ) is a part of the operating switch controller ( 30 ).
10. Flashlight according to claim 8 , characterised by that the operating switching unit ( 23 ) contains a second relay ( 27 ) with a power rating of at least 30 watts, and the second switching controller ( 27 a ), the second switch (K 21 ) and the second auxiliary switch (K 22 ) are a part of the second relay ( 27 ).
11. Flashlight according to claim 8 , characterised by that the second switch (K 21 ) of the operating switching unit ( 23 ) is a part of the second magnetic switch ( 25 ), and the second magnet ( 105 ) is a part of the operating switch controller ( 30 ).
12. Flashlight according to claim 1 , characterised by that the light source ( 15 ) is an LED.
13. Flashlight according to claim 1 , characterised by that the waterproof casing ( 12 ) contains a frame ( 12 a ) and a light-transmitting region ( 12 b ) that permits at least a part of visible light to pass through it.
14. Flashlight according to claim 13 , characterised by that the light-transmitting region ( 12 b ) is plate glass.
15. Flashlight according to claim 13 , characterised by that the frame ( 12 a ) has a cylindrical mantle shape and is made from anodised aluminium coated with a plastic film.
16. Flashlight according to claim 2 , characterised by that the first switch controller ( 26 a ) is an electromagnet ( 26 a ′).
17. Flashlight according to claim 2 , characterised by that the first magnetic switch ( 24 ) is a Hall sensor and the first magnet ( 104 ) is a part of the charging switch controller ( 29 ).
18. Flashlight according to claim 8 , characterised by that the second switching controller ( 27 a ) is a second electromagnet ( 27 a ′).
19. Flashlight according to claim 8 , characterised by that the second magnetic switch ( 25 ) is a Hall sensor, and the second magnet ( 105 ) is a part of the operating switch controller ( 30 ).
20. Flashlight according to claim 12 , characterised by that the LED is a COB LED.