CN2054139U

CN2054139U - Desk lamp

Info

Publication number: CN2054139U
Application number: CN 89205771
Authority: CN
Inventors: 刘瑞全; 梁甦; 迟壮; 颜廷政
Original assignee: Individual
Current assignee: Individual
Priority date: 1989-06-27
Filing date: 1989-06-27
Publication date: 1990-03-07

Abstract

The utility model relates to a novel desk lamp, comprising a pedestal, a pillar, a lamp shade, a power plug, a power cord and two lamp holder with each provided with a relevant low voltage bulb, wherein, the pedestal is provided with a power circuit, a charging circuit and a switching circuit. The circuits are provided with solar battery interfaces and accumulators. When no power is supplied, the utility model provides the desk lamp with electric energy making use of solar battery, and the accumulator can accumulate electric energy when being used without no power supply. The utility model is therefore, can save electric energy, and it can be used in areas with power supply, no electric power system or abnormal power supply, which provides people's daily work and lives with convenience.

Description

Desk lamp

The utility model relates to a kind of desk lamp, belongs to the lighting device that uses point-source of light.

The desk lamp that is widely used at present generally has the common desk lamp that only contains switch, the desk lamp that contains a commutator and a storage battery, the desk lamp of being made up of a switch, a storage battery and an inverter circuit.These several desk lamps can only use in the area that electric power system is arranged, and because the general use of these several desk lamps is the bulb of 220V, power consumption is bigger, and general storage battery can not satisfy its electricity consumption.

The purpose of this utility model is that design is a kind of applied widely, the new-type desk lamp that power consumption is low.

The utility model is made up of base, the pillar, attaching plug, the power line that are installed in base upper end, on the top of pillar by one by a cover body, two lampshades that the cover end is formed, a socket and a low voltage bulb are respectively arranged in holding covering.The power circuit of being made up of transformer B, diode D1, electrochemical capacitor C1, integrated package of pressure-stabilizing IC, capacitor C 2, solar cell interface S is housed in the inside of base, the charging circuit of forming by diode D2, D3, D4 light-emitting diode D5, resistance R storage battery E, the switching circuit of forming by three-position switch K, diode D6, D7.Power circuit, charging circuit, switching circuit are connected in series the back successively and join with bulb L1, L2.The cover body of lampshade is that cross section is circular-arc long body, symmetrical centre at cover body has a hole of matching with pillar, the cover end is that the cross section part of end sealing is circular arc, another part is rectilinear cylindrical body, two cover ends are positioned at the cover body both sides, its circular arc shaped portion is joined with the cover body circular arc shaped portion is corresponding, and its blind end is positioned at the outside of lampshade.Power circuit is following structure: the elementary of transformer B joined by power line and attaching plug, one secondary of two output line become power circuit, charging circuit, the ground wire that illuminating circuit is common, another positive pole with diode D1 is connected, the positive pole of electrochemical capacitor C1, the negative pole of the input terminating diode D1 of integrated package of pressure-stabilizing IC, the minus earth line of the negative pole of electrochemical capacitor C1 and integrated package of pressure-stabilizing IC, the positive pole of one end of the output of integrated package of pressure-stabilizing IC and capacitor C 2 and solar cell interface S joins, the minus earth line of the other end of capacitor C 2 and solar cell interface S is from the output of anodal output one lead-in wire of solar-electricity interface with ground wire group power circuit.Charging circuit is following structure: the positive pole of input terminating diode D2, D3, light-emitting diode D5, the negative pole of light-emitting diode D5 earth connection after resistance R, diode D4 is connected between the negative pole of diode D2, D3, its positive pole links to each other with the negative pole of diode D3, connect the positive pole of storage battery E simultaneously, form the output of charging circuit after the negative pole of the minus earth line of storage battery E, the negative pole of diode D4 and diode D3 joins with ground wire.The structure that switching circuit links to each other with bulb L1, L2 is: input termination three-position switch K, K has a, b, three selecting sides of c, a is an open end, the end of the extremely anodal and bulb L1 of b terminating diode D7, the other end earth connection of L1, the positive pole of c terminating diode D6, its negative pole connect the negative pole of diode D7 and the end of bulb L2, the other end ground connection of bulb L2.Corresponding with above part, a side of Desk lamp feet has the solar cell interface holes, and its rear side has the power line hole, and power line is drawn thus and connect attaching plug, and three-position switch K is installed in the base front side.

Description of drawings:

The left view of the present utility model that Fig. 1 cuts open for part;

Fig. 2 is the front view of the utility model lampshade;

Fig. 3 is the front view of the utility model base;

Fig. 4 is the block diagram of the utility model base internal circuit;

Fig. 5 is the connection layout of the utility model base internal circuit and bulb;

Wherein, the 1st, lampshade, the 2nd, pillar, the 3rd, power line hole, the 4th, power line, the 5th, attaching plug, the 6th, storage battery E, the 7th, the wiring board of power circuit, charging circuit, switching circuit, the 8th, solar cell interface holes, the 9th, three-position switch, the 10th, base, the 11st, cover body, the 12, the 17th, bulb, 13, the 16th, socket, the 14, the 15th, cover end, the 18th, the mating holes of lampshade and pillar, the 19th, power circuit, the 20th, charging circuit, the 21st, switching circuit.

Described in detail below in conjunction with accompanying drawing.

The utility model is made up of the circuit of base (10), pillar (2), lampshade (9), attaching plug (5), power line (4), socket (13), (16), low voltage bulb (12), (17) and base inside.Wherein, pillar (2) is positioned at the top of base (10), and lampshade (1) is positioned at the upper end of pillar (2).Lampshade (1) is made up of a cover body (11) and two cover ends (14), (15), cover body (11) is circular-arc long body for cross section, the centre bit of cover body (11) be equipped with one with the mating holes (18) of pillar (2), lampshade (1) links to each other with pillar (2) by mating holes (18).Cover end (14), (15) are that the cross section figure part of end sealing is the cylindrical shell of straight line for circular arc, a part.Cover end (14), (15) are positioned at the both sides of cover body (11), its circular arc portion and cover body (11) join, its blind end is positioned at the outside of lampshade (1), lay respectively on two cover ends (14), (15) inwall in socket (13), (16), low voltage bulb (12), (17) are installed in respectively in two sockets (13), (16).The circuit of base inside is made up of power circuit (19), charging circuit (20) and switching circuit (21), joins with bulb (12), (17) after this three partial circuit is connected in series successively.Power circuit (19) is made up of transformer B, diode D1, electrochemical capacitor C1, integrated package of pressure-stabilizing IC, capacitor C 2 and solar cell interface S.Its structure is as follows, the elementary of transformer B joined through power line (4) and attaching plug (5), its one secondary of two output lines become power circuit (19), charging circuit (20), the common ground wire of switching circuit (21), another positive pole with diode D1 joins, electrochemical capacitor C1 positive pole and the input of integrated package of pressure-stabilizing IC and the negative pole of diode D1 join, the minus earth line of the negative pole of electrochemical capacitor C1 and integrated package of pressure-stabilizing IC, diode D1, electrochemical capacitor C1 form rectification circuit.The output of integrated package of pressure-stabilizing IC and C2 one end and solar cell interface S positive pole join, the minus earth line of the other end of capacitor C 2 and solar cell interface S, the positive pole of the interface S of solar cell are made of the output of power circuit (19) a lead-in wire and ground wire.Charging circuit (20) is by diode D2, D3, D4, light-emitting diode D5, resistance R and storage battery E(6) form, earth connection behind the negative pole series resistor R of input terminating diode D2, the D3 of charging circuit (20), the positive pole of light-emitting diode D5, D5, diode D4 connects the negative pole of diode D2, D3, its anodal negative pole with diode D3 joins, meet storage battery E(6 simultaneously) positive pole, storage battery E(6) output that minus earth line, the negative pole of diode D4 and output line after the negative pole of D2 links to each other and ground wire form charging circuit (20).In charging circuit (20), the circuit that diode D2, D3, D4 form is undertaken accumulators E(6) function of charging, light-emitting diode D5 does the charging indication.In the switching circuit, with K(9) corresponding, K has a, b, three selecting sides of c.The a end is open end, b terminating diode D7, and an end anodal and bulb L1 joins, and the end of the negative pole of diode D7 and lamp L2 joins, all the other termination ground wires of bulb L1, L2.The positive pole of C terminating diode D6, its negative pole are connected on the node of the negative pole of diode D7 and bulb L2.Corresponding with the circuit in the base (10), in a side of base one solar cell interface holes (8) is arranged, at the base rear side, one power line hole (3) is arranged, power line (4) is drawn by base inside since then, joins with attaching plug (5), and three-position switch (9) is installed in base (10) front side.

In the power supply area, by the attaching plug energized, electric energy changes High Level AC Voltage into low-voltage AC by transformer B, and the rectification circuit of forming by diode D1 and electrochemical capacitor C1 becomes low-voltage DC with it, through integrated package of pressure-stabilizing IC voltage stabilizing, after capacitor C 2 filtering, become stable low-voltage AC.At areas without electricity, can directly use external solar cell, S provides low-voltage DC by the solar cell interface.The charging circuit accumulators E charging that the electric energy that is provided is made up of diode D2, D3, D4, in charging therebetween, light-emitting diode D5 is bright, does the charging indication, after being full of electricity, light-emitting diode D5 extinguishes automatically, and the electric energy that power circuit provides continues to the switching circuit charging, when three-position switch K is positioned at a end, desk lamp is in closed condition, bulb L1, L2 do not work, and when being in the b end, bulb L1, L2 are bright.When being in the c end, electric current can only make bulb L2 bright through diode D5.When having a power failure or wireless and when needing illumination, storage battery E automatic power guarantees the normal use of desk lamp.

This shows, the utility model strong adaptability, the normal area that no matter powers, undesired area and do not have the electric power system area and can both use powers, and what use is low voltage bulb, and it is all bright to control as required two bulbs, does not all work, or only fills one, therefore, easy to use, good energy-conserving effect.

Claims

1, a kind ofly forms desk lamp by base (10), the pillar (2) that is installed in base (10) upper end and attaching plug (5), power line (4), it is characterized in that, top in pillar (2), have one by a cover body (11) and two bulbs that cover holds (14), (15) to form, in cover end (14), (15), a socket (13), (16) and a low voltage bulb (12), (17) are arranged respectively.Inside in base (10), the power circuit of being made up of transformer B, diode D1, electrochemical capacitor C1 integrated package of pressure-stabilizing IC, capacitor C 2, solar cell interface S (19) is housed, the charging circuit of forming by diode D2, D3, D4, light-emitting diode D5, resistance R and storage battery E (6) (20), the switching circuit of forming by three-position switch K (9) diode D6, D7 (21).Power circuit (19), charging circuit (20) and switching circuit (21) are connected in series the back successively and join with bulb (12), (17).

2, desk lamp according to claim 1, it is characterized in that, the cover body (11) of said lampshade (1) is the circular-arc long body of cross section, be equipped with the mating holes (18) of a lampshade (1) and pillar (2) at the centre bit of cover body (11), cover end (14), (15) are end sealing, its cross section part is circular-arc, another part is the cylindrical shell of linearity, cover end (14), (15) lay respectively at the both sides of cover body (11), corresponding the joining of circular arc portion of its circular arc portion and cover body (11), its blind end is positioned at lampshade (1) outside.

3, desk lamp according to claim 1, it is characterized in that, said power circuit (19) is following structure: transformer B is elementary to join by power line (4) and attaching plug, two secondary output lines, article one, become power circuit (19), charging circuit (20), the common ground wire of switching circuit (21), another positive pole with diode D1 is connected, the positive pole of electrochemical capacitor C1, the negative pole of the input terminating diode D1 of integrated package of pressure-stabilizing IC, the minus earth line of the negative pole of electrochemical capacitor C1 and integrated package of pressure-stabilizing IC, the positive pole of one end of the output of integrated package of pressure-stabilizing IC and capacitor C 1 and solar cell interface S joins, the positive pole of the other end of capacitor C 2 and solar cell interface S joins, the minus earth of the other end of capacitor C 2 and solar cell interface S, from positive pole output one lead-in wire of solar cell interface S, become the output of power circuit (19).

4, desk lamp according to claim 1, it is characterized in that, said charging circuit (20) is following structure: the positive pole of input terminating diode D2, D3, light-emitting diode D5, earth connection behind the negative pole series resistor R of light-emitting diode D5, diode D4 is connected between the negative pole of diode D2, D3, the negative pole of its anodal diode D3 joins, meet storage battery E(6 simultaneously) positive pole, storage battery E(6) minus earth line, the negative pole of the negative pole of diode D4 and diode D3 join and form the output of charging circuit (20).

5, desk lamp according to claim 1, it is characterized in that said switching circuit (21) with the structure that bulb (12), (17) link to each other is: input termination three-position switch K(9), three-position switch K(9) a arranged, b, three selecting sides of c, a end is open end, the positive pole of b terminating diode D7 and the end of bulb L1, the other end earth connection of L1, the positive pole of C terminating diode D6, its negative pole connect the negative pole of diode D7 and the end of bulb L2, the other end earth connection of bulb L2.

6, desk lamp according to claim 1 is characterized in that having solar cell interface holes (8) in a side of base (10), has power line hole (3) at its rear side, and power line (4) is drawn in base (10) thus and connect attaching plug (5).Three-position switch K(9) is installed in the front side of base (10).