KR100582677B1 - Battery charging structure of portable searchlight - Google Patents

Abstract

The present invention relates to a battery charging structure of a portable searchlight, and more specifically, a second contact terminal part provided inside the main body by receiving external power through a first contact terminal part integrally formed on a main body of the portable searchlight. Since the current flow between the first contact terminal portion and the rechargeable battery is turned on / off by a micro switch, the portable search lamp can be completely sealed and waterproofed, and after charging, the first contact terminal portion and the rechargeable battery are fully charged. The present invention relates to a battery charging structure of a portable searchlight, in which safety of use is improved because current flow therebetween is completely blocked and electric current of the rechargeable battery is discharged to the first contact terminal part, thereby preventing electric short.

Searchlight, waterproof, charging, microswitch

Description

Battery charging structure of portable searchlight {BATTERY CHARGING STRUCTURE OF PORTABLE SEARCHLIGHT}

1 is a cross-sectional view showing the internal structure fractured to show the battery charging structure of a conventional portable searchlight

Figure 2 is a perspective view showing a battery charging structure of a portable searchlight according to an embodiment of the present invention

3 is an exploded perspective view showing the lower surface of the main body to show the charging unit inside the portable searchlight of FIG.

Figure 4 is a perspective view showing a battery charging structure of a portable searchlight according to another embodiment of the present invention

5 is an exploded perspective view showing a charging unit inside the portable searchlight of FIG.

Figure 6 is a block diagram for explaining the operation of the battery charging structure of the portable searchlight according to another embodiment of the present invention

Explanation of symbols on the main parts of the drawings

100. Portable searchlight 200. Main body

201.Lower surface 210.Handle

220. Insertion groove 300. Charging part

310. Charger 311a, 311b. magnet

312a, 312b. Charging terminals 320a and 320b. 1st contact terminal

321a, 321b. First contact terminal 322a, 322b. 1st contact terminal ground plate

323a, 323b. Side ends 330a, 330b. 2nd contact terminal part

331a, 331b. Micro switches 332a, 332b. Movable Contact

333a, 333b. Moving Piece 340. Rechargeable Battery

500. Light source cover 510. Light bulb

600. Switch

The present invention relates to a battery charging structure of a portable searchlight, and more specifically, a second contact terminal part provided inside the main body by receiving external power through a first contact terminal part integrally formed on a main body of the portable searchlight. Since the current flow between the first contact terminal portion and the rechargeable battery is turned on / off by a micro switch, the portable search lamp can be completely sealed and waterproofed, and after charging, the first contact terminal portion and the rechargeable battery are fully charged. The present invention relates to a battery charging structure of a portable searchlight, in which safety of use is improved because current flow therebetween is completely blocked and electric current of the rechargeable battery is discharged to the first contact terminal part, thereby preventing electric short.

In general, searchlights that use high-brightness xenon bulbs and large-capacity rechargeable batteries to navigate ships, aircraft, or to illuminate certain areas over long distances are bulky and heavy, so they can be carried by people like flashlights. As an example, as described in the Utility Model Registration No. 266596 of the present applicant, a portable searchlight 10 that is easy to carry has been proposed.

1 is a cross-sectional view showing the internal structure broken to show a battery charging structure of a conventional portable searchlight.

Referring to Figure 1, the conventional portable searchlight 10, the handle 21 is formed on one side of the upper portion of the non-conductive material made of a tubular tubular shape of the polygon, and the rechargeable battery 31 built in the main body ) Is a charging portion of the structure is electrically connected to the contact terminals (32a, 32b) of one side and the charging terminal 34 of the charging jack 33 connected to an external power source is electrically connected to the contact terminals (32a, 32b) 30 and a connector 41 having contact terminals 32a and 32b of the charging unit provided at one side and inserting and connecting the charging terminal of the charging jack 33 to the charging terminal is formed at one side of the main body 20. Rear cover 40 screwed to the rear of the), the charging cap 42 screwed to the connector of the rear cover, and a high luminous intensity having an irradiation distance of 1 km or more with the reflector 52 on the front of the main body The light source cover 50 installed so that the xenon bulb 51 is built, and the handle Is configured to include a switch 60 is provided on one side of (21).

As described above, since the xenon bulb 51 used in the generally expensive portable searchlight 10 has a high output, the rechargeable battery 31 consumes about 90 minutes of power because the power consumption is fast, and a high voltage of about 20,000 volts is achieved. Having a large capacity is used.

Therefore, the structure capable of charging the rechargeable battery 31 is required only when the charging cap 42 fixed to the connector 41 formed on the rear cover 40 of the conventional portable searchlight 10 needs to be charged. Each time, the filling cap must be first removed, then charged and fully charged, and then the filling cap must be fastened again. Therefore, screwing of the connector 41 and the filling cap 42 with a long time use and a rubber material The sealing portion is loosened and the contact terminals 32a and 32b provided on one side of the connector 41 are exposed to water, which causes a short.

In addition, in the use of a portable searchlight for firefighting in an emergency fire scene in which high pressure water is injected through a fire hose and a strong shock is generated, the sealed portion of the connector 41 protruding to the outside of the main body is externally high. The sealed portion is loosened due to water pressure and strong impact, and the contact terminals 32a and 32b are exposed to water, causing a short.

That is, since the contact terminals 32a and 32b are electrically connected to the rechargeable battery even after the rechargeable battery is fully charged, there is a problem in that an electrical short occurs when the contact terminals 32a and 32b are exposed to water.

The present invention is to overcome the above-mentioned conventional problems, an object of the present invention is that the first contact terminal portion connected to the charging terminal connected to the external power source is formed to be exposed to the outside integrally with the main body to be frequently removed every charge Since the structure does not require a filling cap to provide a portable searchlight that can be completely waterproof even after prolonged use and strong external impact is not exposed to water through the charging unit as in the prior art.

Another object of the present invention is the first contact terminal exposed to the outside of the main body to maintain the on state electrically connected to the rechargeable battery when charging, but after the charging is completed when the portable searchlight body is separated from the charger when used as a lamp Since the microswitch of the second contact terminal portion electrically connected to the rechargeable battery is turned off, the first contact terminal portion is turned off, so that the first contact terminal portion exposed to the outside is exposed to water. The present invention is to provide a portable searchlight which does not generate an electric short, thereby enhancing user safety.                         

This object of the present invention is fixed on one side of the upper surface of the upper surface formed in a shape corresponding to the lower surface of the main body so that the lower surface of the portable searchlight body is seated spaced apart at predetermined intervals, respectively. And a first contact terminal part of a conductor material, which is formed to be integrally exposed to the outer surface and the inner surface of the main body on a vertical extension line of the charger upper surface charging terminal and to which an external power source is applied by electrical connection with the charging terminal of the charger. And is electrically connected to the first contact terminal portion and is fixed to a lower surface made of a non-conductive material of the main body on a vertical extension line of the charger upper magnet to operate the electrical connection on / off by the attraction of the charger upper magnet. A second contact terminal portion to be electrically connected to the second contact terminal portion, and the second contact terminal Parts of the on / off according to the operation when supplied with an external power supply is achieved by a battery charging structure of a portable searchlight according to the present invention comprising a charging unit configured to charge a battery built-in at one side of the body to be charged.

As an example of a battery charging structure of a portable searchlight according to the present invention for achieving the object of the present invention, will be described in detail in the following configuration and effect.

The battery charging structure of the portable searchlight according to the present invention for achieving the object as described above has a handle is formed on one side of the upper portion of the non-conducting material of the tubular shape and the rechargeable battery built in the main body by an external power source In the portable searchlight comprising a charging unit having a structure to be charged and a light source cover installed so that a high-intensity light bulb such as a reflector and a xenon bulb in the front of the main body and a switch installed in place of the main body, the charging unit is a lower surface of the main body On one side of the upper surface formed in a shape corresponding to the lower surface of the main body so as to be seated, a charger and a pair of magnets and charging terminals to which external power is applied are respectively spaced apart at predetermined intervals, and a vertical extension line of the charger upper charging terminal Is formed to be integrally exposed to the outer surface and the inner surface of the main body of the image A first contact terminal portion of a conductor material to which an external power source is applied by electrical connection with a charging terminal of a charger, and electrically connected to the first contact terminal portion, and made of a non-conductive material of the main body on a vertical extension line of the upper magnet of the charger A second contact terminal part fixed inside the lower surface and operated to turn on / off an electrical connection by the attraction force of the upper magnet of the charger, and electrically connected to the second contact terminal part to turn on / off the second contact terminal part It characterized in that it comprises a rechargeable battery built in one side of the main body is charged by receiving external power.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

2 and 3, there is shown a battery charging structure of a portable searchlight according to an embodiment of the present invention.

 2 is a perspective view illustrating a battery charging structure of a portable searchlight according to an embodiment of the present invention, and FIG. 3 is a cutaway view of a lower surface of the main body to show a charging unit inside the portable searchlight of FIG. Exploded perspective view.

Referring to Figure 2 and Figure 3 describes the battery charging structure of the portable searchlight according to an embodiment of the present invention, the portable searchlight 100 according to an embodiment of the present invention, the handle 210 is formed on one side of the upper The main body 200 of the tubular non-conductor material of various shapes, the charging unit 300 of the structure in which the built-in rechargeable battery 340 is charged by an external power source, and is installed on the rear of the main body 200 The rear cover 400 and the light source cover 500 is installed on the front side of the main body 200 and a high-brightness bulb 510 such as a reflector (not shown) and xenon bulb, and installed on one side of the handle 210 It is configured to include a switch 600.

The charger 310 of the charging unit has a pair of magnets 311a and 311b on one side of the upper surface formed in a shape corresponding to the lower surface 201 of the main body so that the lower surface 201 of the main body 200 is seated. Charging terminals 312a and 312b to which external power is applied are fixed and spaced apart at predetermined intervals, respectively.

On the other hand, a transformer (not shown) on one side of the charger 310 to convert the voltage supplied to the charging battery 340 inside the portable searchlight body 200 through a charging terminal (312a, 312b) to a suitable voltage is supplied. ) May be provided, and preferably, permanent magnets may be used as the magnets 311a and 311b.

The first and second contact terminals 320a and 320b made of a conductive material are integrally exposed on the outer surface and the inner surface of one side of the main body 200 on the vertical extension lines of the charger upper charging terminals 312a and 312b, thereby charging terminals of the charger ( An external power source is applied by electrical connection with 312a and 312b.

The second contact terminal portions 330a and 330b are fixed inside the lower surface 201 of the non-conducting material of the main body on the vertical extension lines of the charger upper magnets 311a and 311b, and the second contact terminal portions 330a and 330b. Is electrically connected to the first contact terminal portion (320a, 320b) and is operated so that the electrical connection is turned on / off by the attraction of the upper magnets (311a, 311b).

On the other hand, the second contact terminal portion (330a, 330b) of the charging unit is a microswitch (331a, 331b) of the electrical connection is turned on / off by the operation of the movable contact (332a, 332b) provided on one side, one end The other end, which is fixed to one side of the microswitches 331a and 331b and extends beyond the upper portions of the movable contacts 332a and 332b of the microswitches 331a and 331b, is connected to the attraction force 311a and 311b of the charger upper magnet. It is composed of the movable pieces (333a, 333b) of the metal material which is operated by the movable contact (332a, 332b) of the micro switch to operate.

At this time, inside the micro switches 331a and 331b provided with the movable contacts 332a and 332b, an elastic body (not shown) having elastic force in which the movable contacts 332a and 332b protrude upward is installed.

A charge battery 340 is built in one side of the main body, and the rechargeable battery 340 is electrically connected to the second contact terminal parts 330a and 330b so that the micro switches 331a and 331b of the second contact terminal part are disposed. According to an on / off operation, the external power is charged through the first contact terminal parts 320a and 320b.

One side of the rechargeable battery 340 is provided with battery charging terminals 341a and 341b electrically connected to the second contact terminal portions 330a and 330b to be charged.

One of the microswitches 331a and 331b of the second contact terminal portions 330a and 330b is always turned on because the movable contacts 332a and 332b of the microswitches 331a and 331b are pressed due to prolonged use and external shock. If the other microswitches 331a and 331b are in a normal operating state even in a state of failure to maintain the state, the first contact terminal portions 320a and 320b and the rechargeable battery 340 are electrically connected during charging. Normal charging is performed, and when the portable search light 100 is lifted from the rechargeable battery 340 after the charging is completed, the other one of the microswitches 331a and 331b in the normal operating state is movable contacts 332a, 332b) is pushed out by an elastic force projecting upward in the pressed state, and thus is turned off, even when water contacts the first contact terminal portions 320a and 320b exposed to the outside of the main body. The current of Li 340 does not generate a discharge and a short circuit does not flow.

Operation of the battery charging structure of the portable searchlight according to the preferred embodiment of the present invention by the configuration as described above will be omitted, and will be described in detail in the operation description of another embodiment of the present invention to be described later.

4 is a perspective view illustrating a battery charging structure of a portable searchlight according to another exemplary embodiment of the present invention, and FIG. 5 is an exploded perspective view illustrating a charging unit inside the portable searchlight of FIG. 4.

Hereinafter, a battery charging structure of a portable searchlight according to another embodiment of the present invention will be described with reference to FIGS. 4 and 5, but portions overlapping with the above description will be omitted.

The first contact terminal portions 320a and 320b of the charging unit 300 are formed of a conductor material to form the outer circumference of the main body integrally in a band shape having a predetermined width spaced at predetermined intervals, thereby charging terminals 312a and 312b of the charger. The first contact terminals 321a and 321b to which an external power source is applied by electrical connection to the first contact terminal, and first contacts spaced at the predetermined intervals by being inserted from the rear surface along insertion grooves formed to face each other on the inner surface of the main body. It consists of the first contact terminal ground plates 322a, 322b in which side end portions 323a, 323b are interview-fixed to the inner surfaces of the terminals 321a, 321b.

The first contact terminal ground plates 322a and 322b of the first contact terminal portions 320a and 320b and the lower surface of the non-conductive material of the main body on a vertical extension line of the charger upper magnets 311a and 311b. The second contact terminal portions 330a and 330b are electrically connected to each other, and the second contact terminal portions are first contact terminal ground plates 322a and 322b of the first contact terminal portions 320a and 320b by the attraction force of the upper magnet of the charger. And an electrical connection of the rechargeable battery 340 is turned on / off.

Since the first contact terminal portions 320a and 320b are formed in an outer circumference of the main body integrally in a band shape, the first contact terminal portions 320a and 320b are kept waterproof even after prolonged use and external impact.

Reference numeral 520 denotes a lens fastened to the light source cover 500.

Reference numeral 700 is electrically connected between the output terminals 346a and 346b of the rechargeable battery and the bulb input terminals 512a and 512b of the bulb fixing socket, respectively, so that excessive current flows from the rechargeable battery into the bulb so that the bulb is turned on. It is a ballast to prevent breakage and to supply a stable current to the bulb.

Figure 6 is a block diagram for explaining in detail the operation of the battery charging structure of the portable searchlight according to an embodiment of the present invention.

In Fig. 6, the dashed-dotted line indicates the flow of current or electrical connection, and the dotted line arrow indicates the flow and direction of the magnetic force. In FIG. 6, for convenience of description, a + current flows to the charging terminal 312a of the charger, the first contact terminal 320a and the micro switch 331a of the second contact terminal, and the charging terminal 312b of the charger, the first contact terminal 320b and the first An embodiment in which a current flows through the micro switch 331b of the two contact terminal portion is illustrated.

On the other hand, the first contact terminal portion (320a, 320b) is a component including both the first contact terminal (321a, 321b) and the ground plate (322a, 322b).

By the configuration as described above, the battery charging structure of the portable searchlight according to another preferred embodiment of the present invention operates as follows.

When the portable searchlight 100 according to the present invention is seated on the charger 310, the first contact terminals 321a and 312b of the charging terminals 312a and 312b and the first contact terminal portions 320a and 320b of the charger. ) Is contacted and electrically connected, and at the same time current flows through the ground plates 322a and 322b, and at the same time, the movable pieces 333a and 333b of the microswitch of the second contact terminal portion are magnets 311a and 311b of the charger. Is driven downward by the attraction force of the) and is electrically connected to the on contact by pressing the movable contacts 332a and 332b so that a current flows through the battery charging terminals 341a and 341b of the rechargeable battery to charge the rechargeable battery 340. This is done.

When the charging battery 340 is fully charged and the portable searchlight 100 is lifted from the charger 310, the charging terminals 312a and 312b of the charger and the first contact terminals 321a and 321b of the first contact terminal portion are charged. ) The contact is released and the flow of current is stopped.

At the same time, the attraction force by the magnets 311a and 311b of the upper part of the charger is released to the movable pieces 333a and 333b of the microswitch of the second contact terminal portions 330a and 330b, and eventually the movable pieces 333a and 333b. The movable contacts 332a and 332b, which are pressed downward by the on state, protrude due to the elastic force of an elastic body (not shown) inside and are turned off. That is, the electrical connection with the battery charging terminals 341a and 341b of the rechargeable battery 340 is boiled.

Therefore, the first contact terminals 321a and 312b of the first contact terminal portions 320a and 320b exposed to the outside of the portable searchlight 100 are charged to prevent current from flowing from the rechargeable battery 340 in the reverse path. Electrical connection with the battery 340 is cut off so that discharge and electric short are not generated.

On the other hand, if one elastic body (not shown) inside the micro switch 331a loses its elasticity, the movable contacts 332a and 332b are fully charged with the rechargeable battery, so that the battery 340 is electrically connected to the rechargeable battery 340 even when not charged. Even if it is maintained, when at least one other microswitch 331b is normally operated, since the electrical connection with the rechargeable battery 340 is cut off, the first contact points of the first contact terminal portions 320a and 320b exposed to the outside of the main body are exposed. Even if the terminals 321a and 321b are exposed to water, no electric short occurs.

As described above, the battery charging structure of the portable searchlight according to the present invention is supplied with external power through the first contact terminal unit integrally formed in the main body of the portable searchlight, so that the portable searchlight can be completely sealed and waterproof, and is portable. It is convenient to use the charger because it is charged just by seating the searchlight on the top of the charger.

In addition, when the portable searchlight main body is separated from the charger after charging, and the lamp is used as a lamp, the first contact terminal portion may be turned off by the micro switch of the second contact terminal portion electrically connected to the rechargeable battery, thereby preventing electrical connection with the rechargeable battery. Since it is turned off, the electric current of the rechargeable battery is discharged to the first contact terminal portion, thereby preventing the occurrence of an electric short, thereby improving the safety of use.

What has been described above is only one embodiment for implementing a battery charging structure of a portable searchlight according to the present invention, the present invention is not limited to the above-described embodiment, the invention as claimed in the following claims Without departing from the gist of the present invention, those skilled in the art to which the present invention pertains to the technical spirit of the present invention to the extent that various modifications can be made.

Claims (3)

A handle is formed on one side of the upper part, and a light source cover is installed such that a main body made of a non-conductive material having a polygonal shape and a rechargeable battery built in the main body are charged by an external power source, and a reflector and a light bulb are built in the front of the main body. In the portable searchlight comprising a switch installed in place of the main body, The charger includes a charger fixed to a pair of magnets and charging terminals to which external power is applied, respectively, at predetermined intervals, on one side of the upper surface recessed in a shape corresponding to the lower surface of the main body so that the lower surface of the main body is seated; A first contact terminal portion of a conductor material formed to be integrally exposed to an outer surface and an inner surface of one side of the main body on a vertical extension line of the charger upper surface charging terminal and to which an external power source is applied by electrical connection with a charging terminal of the charger; The first contact terminal part electrically connected to the first contact terminal part and fixed to the inside of the lower surface of the non-conductive material of the main body on a vertical extension line of the charger upper magnet and operated to turn on / off the electrical connection by the attraction of the upper magnet of the charger; 2 contact terminal section, And a rechargeable battery which is electrically connected to the second contact terminal part and is built in one side of the main body which is charged by receiving external power through the first contact terminal part according to on / off operation of the second contact terminal part. Battery charge structure of portable searchlight to say. The micro-switch of claim 1, wherein the second contact terminal part of the charging unit has a micro switch in which electrical connection is turned on / off by operation of a movable contact provided on one side thereof, and one end of which is fixed to one side of the micro switch. The other end extending to pass through the upper portion of the movable contact of the battery charging structure of a portable searchlight, characterized in that composed of a movable material of a metallic material which is operated by the attraction of the upper magnet of the charger to operate the movable contact of the micro switch. The method of claim 1, wherein the first contact terminal portion of the charging unit is formed of a conductor material so as to form the outer periphery of the main body integrally in a band shape of a predetermined width spaced at a predetermined interval by the electrical connection with the charging terminal of the charger A first side contact with the first contact terminal to which an external power source is applied, and a side end portion of the first contact terminal inserted into the inner surface of the main body and inserted into the inner surface of the first contact terminal spaced apart by the predetermined distance Battery charging structure of a portable searchlight, characterized in that consisting of a one-contact terminal ground plate.

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