CN201637222U

CN201637222U - Top opening freezer lighting system

Info

Publication number: CN201637222U
Application number: CN2010201296077U
Authority: CN
Inventors: 张德强; 叶国祥; 许粤海; 葛守猛; 刘高飞; 吉平
Original assignee: Hisense Ronshen Guangdong Freezer Co Ltd
Current assignee: Hisense Ronshen Guangdong Freezer Co Ltd; Hisense Ronshen Guangdong Refrigerator Co Ltd
Priority date: 2010-03-09
Filing date: 2010-03-09
Publication date: 2010-11-17
Anticipated expiration: 2020-03-09

Abstract

The utility model relates to the technical field of freezers and refrigerators in household appliances, in particular to a top opening freezer lighting system which has the advantages of energy saving and compact structure and can automatically turn on and off lights in the freezer without additional artificial interference when the door is opened and closed. The top opening freezer lighting system of the utility model comprises a LED (Light Emitting Diode) light (3) arranged on a freezer door (1) and a magnetism switch for controlling the LED light (3) to be turned on and off. The utility model has the function of explosion prevention and can be used in freezer using flammable and combustible refrigerant R600a or R290 and the like.

Description

A kind of illumination system for chest type refrigerator

Technical field

The utility model relates to refrigerator in the home appliance, refrigerator technical field, more particularly, relates to a kind of illuminator of chest type refrigerator.

Background technology

The Freezer Products volume is increasing on the market, and it is deep that the structure of Freezer Products itself is all done, and when environment light source can not the direct projection box house, light tended to itself be blocked by not only high but also wide casing and according to the article less than box house.The article floor light becomes a critical function of ice-cold product in the inner increase of refrigerator illuminator realizes cabinet.

There is the horizontal refrigerator product of cabinet intraoral illumination to adopt small size small-power type incandescent lamp or fluorescent lamp in the market, mechanical switch or ball roller weight switch that gauge tap adopts outer power to stir more more.Also have in vertical freezer and refrigerator product and adopt magnetic control near switch, these schemes can both realize lamp work in the automatic control cabinet at closing time opening.But incandescent lamp heating multipotency consumption is high, light is pale yellow.Main shortcoming is that the tungsten filament of bulb in frequent door switching process is easy to shake disconnected; The fluorescent lamp volume is big, takies dischargeable capacity in the cabinet, is not easy to use in cabinet; Ball roller weight switch is subjected to structural limitations volume own bigger; And there is hidden danger: the sparking phenomenon occurs in steel ball ball moment that is switched on or switched off circuit of rolling, and use the iron ball surface oxidation loose contact to occur for a long time at functional reliability and secure context.Present most of Freezer Products uses R600a or R290 refrigerant to make cold-producing medium, and these cold-producing mediums are inflammable and explosive, in case interior leakage is easy to be cremated light.Therefore in cabinet, can not use ball roller weight switch.Use is also arranged near switch in vertical freezer and refrigerator product, the control system switch separates with lamp and is positioned at diverse location, and lamp is positioned at cabinet, and switch is positioned at outside the cabinet, but between need the long lead connected structure compact inadequately.

The utility model content

The technical problems to be solved in the utility model is that overcoming existing is exactly the deficiency of refrigerator illuminator technology, provide a kind of can energy savings, compact conformation, need not artificial extra intervention and can realize the illuminator that refrigerator door intraoral illumination lamp is opened and closed automatically along with the open and close of door.

For solving the problems of the technologies described above, technical scheme of the present utility model is: a kind of illumination system for chest type refrigerator comprises LED lamp that is installed in freezer door body and the magnetic switch of controlling LED lamp Push And Release.

Described magnetic switch normal condition is for disconnecting.

Described LED lamp is several LED lamp series connection and/or in parallel of several LED lamps.

Described magnetic switch comprises tongue tube, guide rail and the magnet of connecting with the LED lamp, the high-end placement tongue tube of plurality of ramps, and the magnet that leans on the own wt rolling to control the tongue tube break-make is positioned at the lower position of plurality of ramps under freezer door body is closed the door state.

Illumination system for chest type refrigerator also comprises the lampshade that covers in described LED lamp, tongue tube, magnet and the guide rail outside.

Described guide rail and lampshade are one, and Guide Rail Design is in the bottom of lampshade.

The inclined guide rails of described guide rail for when closing freezer door body, making magnet roll or to slide from eminence toward lower along the inclined plane, magnet is positioned at the low side of inclined guide rails, and tongue tube is positioned at the high-end of inclined guide rails.

Described magnet is permanent magnet.

Described magnet is round pie body or cylinder or square body.

Described tongue tube is overall plastic encapsulation.

The utility model with respect to the beneficial effect of prior art is:

The utility model illuminator adopts the illumination of LED lamp, and this system energy consumption is few, can conserver power source, and the length that increases the service life, and also the LED lamp body is long-pending, and to take the cabinet internal volume for a short time few; Magnet leans on gravity rolling own and the break-make of control circuit in the process of subscriber switch refrigerator cabinet door, the automation of realization lamp Push And Release; Use the small and exquisite magnetic control of volume near switch, switch triggering sensitivity, reliable in function, and the overall plastic encapsulation of tongue tube, safety, no sparking phenomenon, have explosion-proof function, go for interior use of Freezer Products cabinet that inflammable and explosive R600a or R290 etc. make cold-producing medium; Be provided with inclined guide rails in the utility model illuminator lampshade, lampshade is used to protect the usefulness of LED internal circuit, and inclined guide rails is used for the movement locus of controlling magnet, makes small and exquisite, the compact conformation of whole system volume.

Description of drawings

Below in conjunction with the drawings and the specific embodiments the utility model is further described.

The structural representation in the utility model front under Fig. 1 refrigerator door opening state;

The structural representation of the utility model side under Fig. 2 refrigerator door opening state;

Fig. 3 is the partial enlarged drawing of Fig. 2;

Structural representation of the present utility model under Fig. 4 refrigerator door opening state;

Fig. 5 is the partial enlarged drawing of Fig. 4;

The schematic diagram of the utility model magnet rolling control circuit break-make when Fig. 6 is refrigerator open and close door.

The specific embodiment

With reference to figure 1, Fig. 2, Fig. 3, a kind of illumination system for chest type refrigerator of the utility model comprises LED lamp 3 that is installed in freezer door body 1 and the magnetic switch of controlling LED lamp 3 Push And Releases; The magnetic switch normal condition is for disconnecting; LED lamp 3 is that several LED lamps are by connecting and being parallel together, the LED of design comprises 12 lamp pearls at present, per 4 lamp pearls are cascaded, the lamp pearl of 3 cover series connection is connected in parallel again afterwards, magnetic switch comprises tongue tube 4, guide rail 7 and the magnet 5 of connecting with LED lamp 3, one end of guide rail 7 is placed tongue tube 4, is positioned at the other end of guide rail 7 under freezer door body 1 is closed the door state by the magnet 5 of the own wt rolling or control tongue tube 4 break-makes of sliding.The outside of LED lamp 3, tongue tube 4, magnet 5 and guide rail 7 is covered with lampshade 2, and lampshade 2 has lamp cover 6, and lampshade 2 and lamp cover 6 can be done as a whole.Guide rail 7 is an inclined guide rails, guide rail 7 and lampshade 2 are one, guide rail 7 designs are in the bottom of lampshade 2, magnet 5 is positioned at the low side of inclined guide rails under freezer door body 1 is closed the door state, tongue tube 4 is positioned at the high-end of inclined guide rails, lampshade 2 is made an opening, after putting magnet 5 into by opening, seal with lamp cover 6, the angle that inclined guide rails tilts will reach greatly, in the time of can guaranteeing to close freezer door body 1 again, magnet 5 can roll or slide toward lower from high on guide rail along the inclined plane, magnet 5 is permanent magnet, can make round pie body or cylinder or square body, and tongue tube 4 is overall plastic encapsulation.With the switching of freezer door body 1, magnet 5 rolls along the guide rail 7 that tilts in the lampshade 2 by the gravity of itself, and the guide rail 7 of inclination is closed in the lampshade 2, in order to the movement locus of controlling magnet 5.

When opening freezer door body 1 (this moment, freezer door body 1 was perpendicular to the ground), be placed on magnet 5 in the lampshade 2 under the effect of gravity, along lampshade 2 interior guide rails 7, roll to the inclined-plane eminence from inclined guide rails inclined-plane lower, move closer to tongue tube 4, tongue tube 4 under the normal off state is subjected to magnet 5 magnetic fields effects and two closings of contact are connected circuit, and LED lamp 3 is bright.

As Fig. 4, Fig. 5, when freezer door body 1 is closed (this moment, door body 1 was parallel to the ground), be placed on magnet 5 in the lampshade 2 under the effect of gravity in the lampshade 2 guide rail 7, roll to the inclined-plane lower from inclined guide rails inclined-plane eminence, magnet 5 and fixed tongue tube 4 gradually away from, tongue tube 4 can not get magnet 5 magnetic fields effects and two contacts keep not contacting normality, and circuit can not be connected, and the LED lamp goes out.

The schematic diagram of the utility model magnet rolling control circuit break-make when Fig. 6 is refrigerator open and close door, wherein, A condition is the state of closing the door, and the B state is that open angle equals lampshade bevel angle state, the C state be open angle greater than lampshade bevel angle state, the D state is a door opening state.

When opening the door along with freezer door body 1 open angle is increasing, lampshade 2 turns to vertical state gradually by level, when rotational angle during greater than the angle of plurality of ramps and horizontal plane, magnet 5 inclined-plane in the lampshade 2 under the self gravitation effect rolls to the tongue tube direction, tongue tube 4 is subjected to the effect of magnetic 5 ferromagnetic field forces and closure, thus connection circuit.

And magnet 5 rotating directions are opposite when opening the door at closing time, along with freezer door body 1 open angle is more and more littler, lampshade 2 is by vertical state steering horizontal state gradually, when the angle of freezer door body 1 and horizontal plane during less than the angle of plurality of ramps and horizontal plane, magnet 5 under the self gravitation effect in the lampshade 2 inclined-plane roll to direction away from tongue tube 4, tongue tube 4 loses the effect of magnet 5 magnetic field forces and the normality recovering to disconnect, thus disconnecting circuit.

The utility model lighting system structure compactness, conserver power source, long service life.

Claims

1. an illumination system for chest type refrigerator is characterized in that: comprise LED lamp (3) that is installed in freezer door body (1) and the magnetic switch of controlling LED lamp (3) Push And Release.

2. illumination system for chest type refrigerator according to claim 1 is characterized in that: described magnetic switch normal condition is for disconnecting.

3. illumination system for chest type refrigerator according to claim 1 is characterized in that: described LED lamp (3) is several LED lamp series connection and/or in parallel.

4. illumination system for chest type refrigerator according to claim 1, it is characterized in that: described magnetic switch comprises tongue tube (4), guide rail (7) and the magnet (5) of connecting with LED lamp (3), one end of guide rail (7) is placed tongue tube (4), is positioned at the other end of guide rail (7) under freezer door body (1) is closed the door state by the magnet (5) of own wt rolling control tongue tube (4) break-make.

5. illumination system for chest type refrigerator according to claim 4 is characterized in that: also comprise the lampshade (2) that covers in described LED lamp (3), tongue tube (4), magnet (5) and guide rail (7) outside.

6. illumination system for chest type refrigerator according to claim 5 is characterized in that: described guide rail (7) and lampshade (2) are one, and guide rail (7) design is in the bottom of lampshade (2).

7. illumination system for chest type refrigerator according to claim 6, it is characterized in that: the inclined guide rails of described guide rail (7) for when closing freezer door body (1), making magnet (5) roll or to slide from eminence toward lower along the inclined plane, magnet (5) is positioned at the low side of inclined guide rails, and tongue tube (4) is positioned at the high-end of inclined guide rails.

8. illumination system for chest type refrigerator according to claim 7 is characterized in that: described magnet (5) is permanent magnet.

9. illumination system for chest type refrigerator according to claim 8 is characterized in that: described magnet (5) is round pie body or cylinder or square body.

10. according to each described illumination system for chest type refrigerator of claim 4 to 9, it is characterized in that: described tongue tube (4) is overall plastic encapsulation.