CN201114949Y

CN201114949Y - Ballast

Info

Publication number: CN201114949Y
Application number: CNU2007201556570U
Authority: CN
Inventors: 叶际爽
Original assignee: 叶际爽
Current assignee: Shanghai Yuanming Lighting Co., Ltd.
Priority date: 2007-07-30
Filing date: 2007-07-30
Publication date: 2008-09-10
Anticipated expiration: 2017-07-30

Abstract

The utility model relates to a ballast, which comprises a fixed base plate, two end cards and a ballast coil; the end card comprises an upper edge and a peripheral lateral wall and a tongue shape inner wall formed by surrounding the upper edge; the two end cards are arranged at the two ends of the fixed base plate and opposite to each other; the ballast coil surrounds and is fixed tightly on the tongue shape wall; the bottom of the peripheral lateral wall forms wire-leading holes and two ballast coils are connected externally with two whole leading wires; the leading wire is led out from the top of the ballast coil and leads a connecting power by the wire-leading holes; the position on the upper edge which faces the ballast coil is provided with racks which bulges downwards; the racks causes the leading wires of the ballast coil to be pressed and fixed on the top of the ballast coil, and the leading wire is led out in one whole stick without the arrangement of wiring terminals as the conductive connection on the fixing base plate, thus saving the length of the fixing base plate, arranging the ballast into fluorescent lamps with small volume, and saving the cost for manufacturing the fluorescent lamps.

Description

Ballast

Technical field

The utility model relates to a kind of ballast.

Background technology

The installing space of ballast is attempted to dwindle as possible in order to reduce cost by the producer that produces at present fluorescent lighting fixture but the lead-in wire of the present former connection of ballast territory electricity is generally two, draw by the ballast coil for one, be connected and fixed the binding post on the base plate, treat that then the user connects binding post and power supply with an independent lead-in wire again, thereby be the coil power supply of ballast, owing on fixed base plate, adopted binding post, so fixed base plate must design longly, therefore the volume of fluorescent lighting fixture will design greatlyyer, manufacturing cost is higher, be unsuitable for the demand of manufacturer, also incompatibility mass consumption.

The utility model content

Technical problem to be solved in the utility model provides the little ballast of a kind of volume.

In order to address the above problem, the utility model is taked following technical scheme:

A kind of ballast, comprise a fixed base plate, two end cards and a ballast coil, described end card includes eaves and surrounds described peripheral sidewall and the ligulate inwall that eaves forms of going up, two end cards are to being located at the two ends of described fixed base plate, the ballast coil surrounds lock ring on two ligulate walls, the bottom of the routine wall in described periphery is formed with fairlead, described ballast coil is circumscribed with a whole root lead-in wire, described lead-in wire is derived by the top, ballast coil and is drawn the connection power supply by fairlead, the described tooth bar that is provided with over against the position of ballast coil to lower process of going up on the eaves, tooth bar presses the top that is fixed on the ballast coil with the lead-in wire of ballast coil.

Described tooth bar is a del.

Described tooth bar is compact arranged at least two.

Described lead-in wire is the lead of cable or peripheral hardware sleeve pipe.

Described sleeve pipe is high temperature resistant sleeve pipe, and described lead is a high temperature resistant wire, and described cable is high temperature resistant cable.

The last eaves of described end card is provided with louvre.

Described upward eaves is a quadrangle, and the cross sectional shape of described peripheral sidewall is an arc.

Described upward eaves is the rectangle with arc angle.

The beneficial effects of the utility model are: a kind of ballast, comprise a fixed base plate, two end cards and a ballast coil, described end card includes eaves and surrounds described peripheral sidewall and the ligulate inwall that eaves forms of going up, two end cards are to being located at the two ends of described fixed base plate, the ballast coil surrounds lock ring on two ligulate walls, the bottom of described peripheral sidewall is formed with fairlead, described two ballast coil are circumscribed with two whole lead-in wires, described lead-in wire is derived by the top, ballast coil and is drawn the connection power supply by fairlead, the described tooth bar that is provided with over against the position of ballast coil to lower process of going up on the eaves, tooth bar presses the top that is fixed on the ballast coil with the lead-in wire of ballast coil. and above-mentioned lead-in wire is one whole and draws, binding post need be set on base plate regularly to be done conduction and connects, so length of having saved fixed base plate, therefore this ballast can be installed in the fluorescent lighting fixture of small size, save the cost of making fluorescent lighting fixture.

Description of drawings

Fig. 1 is the utility model ballast vertical view;

Fig. 2 is the utility model ballast front section view;

Fig. 3 is a B-B ' cutaway view among Fig. 1.

Wherein,

1. eaves on fixed base plate 2. end cards 3. silicon steel sheets 4.

5. peripheral sidewall 6. fairleads 7. ballast coil 8. tooth bars

9. sleeve pipe 10. leads 11. louvres 12. ligulate walls

Embodiment

With reference to Fig. 1, Fig. 2 and Fig. 3, a kind of ballast, comprise a fixed base plate 1, assign into two of described fixed base plate 1 two ends end cards 2 respectively, described end card 2 comprises eaves 4 and peripheral sidewall 5, described upward eaves 4 is a quadrangle, three of eaves 4 limits extend to form above-mentioned peripheral sidewall 5 vertically downward on this quadrangle, and the centre position on its 4th limit is formed with the ligulate wall 12 of a downward extension vertical with this limit, and the width of this ligulate wall 12 is less than the length of side on described the 4th limit.The lower bottom part of described peripheral sidewall 5 is formed with fairlead 6, the cross section of ballast coil 7 is a rectangle, vertically has certain thickness, described ballast coil 7 lock rings enclose and entangle ligulate wall 12, fixed by the 12 tight supports of two ligulate walls, silicon steel sheet 3 is plugged between described two ligulate walls 12, is enclosed in the middle of the ballast coil 7.The bottom riveted and fixed is on fixed base plate 1.Ballast coil 7 is connected with in order to connect the lead-in wire of external power source, and described lead-in wire is derived by 7 tops, ballast coil and drawn the connection power supply by the fairlead 6 of end card 2 peripheral sidewalls 5 bottoms.Above-mentioned lead-in wire is one whole and draws, binding post need be set on fixed base plate 1 do the conduction connection, therefore therefore the length of having saved fixed base plate 1 can be installed in this ballast in the fluorescent lighting fixture of small size, therefore saved the cost of making fluorescent lighting fixture.The described of 7 upper ends, ballast coil goes up on the eaves 4 towards the tooth bar 8 that is arranged with projection, described tooth bar 8 presses the top that is fixed on ballast coil 7 with the lead-in wire of ballast coil 7, can prevent that lead-in wire is drawn out displacement, thereby ballast is cut off the power supply owing to being connected with power supply.

The above-mentioned shape that goes up eaves 4 is preferably the rectangle with two arc angles, and described peripheral sidewall 5 is to be extended to form vertically downward by three limits with arc angle.This kind Mechanical Builds is attractive in appearance, gives good visual enjoyment.Certainly, above-mentioned upward eaves 4 can as trapezoidal, can certainly be circular or oval for other tetragonal shapes also.

Preferably, described tooth bar 8 can be del, and the area of apex is little, and bed knife is strong, can better fix described lead-in wire.Can certainly be other shapes such as pane shape, terraced piece shape or taper.

Preferably, described tooth bar 8 is compact arranged at least two, and the bed knife of a plurality of tooth bars 8 is stronger.

Preferably, described lead-in wire is generally the lead 10 of peripheral hardware sleeve pipe 9, and insulated hull of (lead 10 is positioned at sleeve pipe 9 among Fig. 1) cable and sleeve pipe 9 can prevent that inner lead 10 directly is subjected to the extruding of tooth bar 8, thereby can protect inner lead 10 can not be damaged.Certainly, described lead-in wire also can be cable.

Installation environment for the ballast that is used for explosion-proof lamp is generally stuffy, make the heat in the light fixture be difficult to distribute, thereby form high temperature in inside, lead 10 is very easily burnt out under such high temperature for a long time, in order to prevent the appearance of the problems referred to above, preferably above-mentioned sleeve pipe 9 is set to high temperature resistant sleeve pipe 9, lead 10 is preferably high temperature resistant wire 10, described cable also is preferably high temperature resistant cable, can prevent effectively that cable or lead 10 from being burnt out, and has saved maintenance cost.

For further insurance, the described eaves 4 of going up is provided with louvre 11, the heat of ballast inside can be come out, and during next dipping lacquer, unnecessary lacquer is flowed out from louvre 11.

In order to save the length of fixed base plate 1, can up attack the screw thread (not shown) from the bottom of fixed base plate 1, from following installation, bolt is installed in the area that fixed base plate 1 takies when positive with bolt, can have reduced the length of fixed base plate 1 thereby saved.

Described trough-shaped side walls 5 is preferably arc, and the visual effect of arc is better, and with above-mentioned side plate to be connected transition easy, and joining place is smoother, visually create an aesthetic feeling more.Certainly, can also be other shapes, be flat bucket shape as cross sectional shape, also can be other suitable shapes.

The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.

Claims

1. ballast, comprise a fixed base plate, two end cards and a ballast coil, it is characterized in that, described end card includes eaves and surrounds described peripheral sidewall and the ligulate inwall that eaves forms of going up, two end cards are to being located at the two ends of described fixed base plate, the ballast coil surrounds lock ring on two ligulate walls, the bottom of described peripheral sidewall is formed with fairlead, described ballast coil is circumscribed with a whole root lead-in wire, described lead-in wire is derived by the top, ballast coil and is drawn the connection power supply by fairlead, the described tooth bar that is provided with over against the position of ballast coil to lower process of going up on the eaves, tooth bar presses the top that is fixed on the ballast coil with the lead-in wire of ballast coil.

2. ballast according to claim 1 is characterized in that, described tooth bar is a del.

3. ballast according to claim 1 is characterized in that, described tooth bar is compact arranged at least two.

4. according to each described ballast among the claim 1-3, it is characterized in that described lead-in wire is the lead of cable or peripheral hardware sleeve pipe.

5. ballast according to claim 4 is characterized in that, described sleeve pipe is high temperature resistant sleeve pipe, and described lead is a high temperature resistant wire, and described cable is high temperature resistant cable.

6. ballast according to claim 1 is characterized in that, the described eaves of going up is provided with louvre.

7. ballast according to claim 1 is characterized in that, described upward eaves is a quadrangle, and the cross sectional shape of described peripheral sidewall is an arc.

8. ballast according to claim 7 is characterized in that, described upward eaves is the rectangle with arc angle.