CN2762489Y

CN2762489Y - Inserted electronic ballast

Info

Publication number: CN2762489Y
Application number: CN 200420091326
Authority: CN
Inventors: 梅庄
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-09-10
Filing date: 2004-09-10
Publication date: 2006-03-01
Anticipated expiration: 2014-09-10

Abstract

The utility model relates to a plug-in type electron ballast, which separates an electron ballast body from an external connection circuit. The utility model is composed of a ballast body and a ballast basal body, wherein the ballast basal body can be also used as a connection box; the outer wall of the ballast body is provided with a group of contacts which are connected with relevant circuits arranged on an electronic circuit board inside the ballast body; the inner wall of the ballast basal body is provided with the other group of contacts which are connected with an external circuit and correspond mutually to the contacts arranged on the ballast body; the electron ballast body and the ballast basal body are in plug-in connection and fixed by a connection device so as to ensure the stably connection of the electron ballast body and the ballast basal body and make the two groups of contacts reliably contacted. When the electron ballast body is inserted into and fixed on the ballast basal body through the connection device, the electron ballast is connected with a working circuit; the connection circuit is loosened, the electron ballast body is separated from the ballast basal body and thus the electron ballast body can be disassembled for replacement.

Description

The plug-in type electromagnetic sub-ballast

Technical field

The utility model relates to a kind of plug-in type electromagnetic sub-ballast of being made up of the ballast base body of electronic ballast body and double as terminal box.

Background technology

Fluorescent lamp is one of light fixture the most frequently used during people live, and in its work system, main accessory is a ballast.Traditional ballast is made of coil and iron core.This ballast is because of the volume heaviness, the power consumption height, and low-voltage is difficult for shortcoming such as startup and is progressively replaced by electric ballast.Electric ballast has the power factor height, and it is wide to be suitable for voltage, starts soon, and volume is little, advantages such as cheapness, and the extensive at present accessory as fluorescent lamp uses.But,, need to change again installation frequently so also be rapid wear accessory in the fluorescent lamp work system because electric ballast is operated under the state of high-frequency and high-voltage.There are two kinds being used for the modal electric ballast of fluorescent lamp on the market at present.A kind of is that the circuit board that will whole electric elements be installed places the ballast shell of insulation, 6 external connections are arranged, wherein the two pairs of output lines join with the lamp socket of fluorescent lamp respectively, and other 2 incoming lines link to each other with city's power line, and ballast body is fastened on the support of fluorescent lamp by screw.This electric ballast is breaking down when needing dismounting and change, and is identical with traditional ballast, needs the dismounting screw, disconnecting all wiring changes, wherein most importantly to disconnect and insert civil power and require good insulation performance again, thus should operate by the professional, very inconvenient.Another kind is that the voltage conversion circuit plate of electric ballast and start-up circuit plate are placed respectively in the lamp socket of two insulation of fluorescent lamp.Linked by 2 external connections between two parts circuit, the lamp socket that voltage conversion circuit is housed has 2 external civil powers of incoming line in addition.The lamp holder of dress electronic ballast circuit board is installed in the draw-in groove at fluorescent lighting fixture base plate two ends respectively and is fixed by the cover plate of support in these two.During use fluorescent lamp directly is contained on the lamp socket.The installation and removal of this lamp socket type electric ballast are more convenient, but need take fluorescent lighting fixture apart when changing, and two lamp sockets are changed in the lump, and still must be disconnected and insert civil power again and make good insulation performance and handle.Also should operate by the professional.

Summary of the invention

The purpose of this utility model provide a kind of when installation and removal are changed more convenient operation, safer plug-in type electromagnetic sub-ballast.When installing first, only need install the support and the electric ballast base body of fluorescent lamp, connect civil power, insert the electronic ballast body and get final product.When electric ballast breaks down, needn't dismantle fluorescent lighting fixture, needn't wiring, more needn't disconnect and insert civil power again, only need take off the electronic ballast body and change, avoid contacting, even the layman also can dismantle and install easily with civil power.In addition, if the lamp socket type electric ballast of split when having only a body to damage, can also be changed separately, seem more economical.

For achieving the above object, electric ballast of the present utility model is made up of the ballast base body of electronic ballast body, double as terminal box.One group of contact is arranged on the wall of body, they be positioned at intrinsic electronic ballast circuit board on need external circuit point to link to each other.The inwall of base body have another the group contact, they and external circuit join, and with body wall on the contact in correspondence with each other.Between electronic ballast body and the base body for insert connecting, and by a jockey locking, to guarantee connecting stable between the two and contact is reliable.

This jockey can be to be positioned at the body rear two projectioies and two ramp projections that are positioned on the two side are arranged; There are two grooves and two porose card arms that are positioned on the two side in the inwall rear that is positioned at base body.Projection on the body respectively with base body on groove and the card arm the hole corresponding mutually.

This jockey can also be two dovetail type projectioies and two ramp projections that are positioned at the body two side; Be positioned at two the dovetail type grooves and the porose card arm of base body two madial walls; Dovetail type projection on the body matches with the dovetail type groove of base body, and ramp projections is corresponding with the hole of card arm.

After adopting such structure, the electronic ballast body becomes the separate component that has only external contact and do not have external cord.Insert whole external cord of fluorescent lamp system by the contact on the base body.After in body inserts pedestal, body and base body are connected device and fix, and body reliably contacts mutually with two groups of contacts of base body, and intrinsic circuit of electronic ballast and external circuit are connected and operate as normal.Since the body of electric ballast is independent, reached the purpose of being convenient to dismantle and change installation.

Description of drawings

Fig. 1 is the schematic block circuit diagram of the utility model in separation type electric ballast fluorescent lamp system.

Fig. 2 is the vertical section structure figure of a kind of execution mode of the utility model in the separation type electric ballast.

Fig. 3 is the I-I cutaway view of Fig. 2.

Fig. 4 is the A-A partial enlarged drawing of Fig. 3

Fig. 5 is the vertical section structure figure of the another kind of execution mode of the utility model in the separation type electric ballast.

Fig. 6 is the L-L cutaway view of Fig. 5.

Fig. 7 is the K-K cutaway view of Fig. 5.

Fig. 8 is the B-B partial enlarged drawing of Fig. 7

Fig. 9 is the application scheme schematic block diagram of the utility model in the integral electronic ballast.

Figure 10 is the application scheme schematic block diagram of the utility model in another kind of integral electronic ballast.

Among the figure: 1. the base body of double as terminal box, 2. electronic ballast body, the 3. contact on the base body, the 4. contact on the body, the 5. projection on the body, the 6. groove on the base body, the 7. ramp projections on the body, the 8. porose card arm on the base body, 9. electronic ballast circuit board, 10. the dovetail type projection on fluorescent tube, 11 bodies, the dovetail type groove on 12 base bodies.

Embodiment

In Fig. 1, after base body (1) is inserted in electronic ballast body (2), contact (4) on the body (2) contacts with contact (3) on the base body (1), civil power AC enters electronic ballast circuit board (9) in the body (2) by two contacts wherein, the start-up circuit of fluorescent lamp is by the line connecting system circuit of other two pairs of contacts, electronic ballast body (2) double as fluorescent lamp base, direct and fluorescent lamp (10) joins.

In Fig. 2, when electronic ballast body (2) insert base body (1), projection (5) on the body (2) is just in time inserted the groove (6) of base body (1), card arm (8) on the pedestal slips over the inclined-plane of the ramp projections (7) on the body (2) as shown in Figure 3 and Figure 4, after putting in place, projection (7) just is stuck in the hole of card arm (8), and body (2) and base body (1) are fixed, and the contact (4) on the body (2) can be stablized with the contact (3) on the base body (1) and reliably be contacted.When needs take off electronic ballast body (2), only need slightly outwards to push card arm (8) aside, can easily take off body (2).

In Fig. 5, the contact (4) on the body (2) and the contact (3) of base body (1) lay respectively at the back of body (2) and base body (1), and the two is corresponding mutually.As Fig. 6, shown in the dovetail type projection (11) of (2) two lower walls in electronic ballast body by the dovetail type groove (12) that slide to insert (1) two inwall of base body behind the forward direction and blocked ramp projections (7) as the hole of Fig. 7, porose card arm (8) shown in Figure 8, body (2) and base body (1) get final product stable bond, and contact (4) also can reliably contact with (3).If slightly outwards push card arm (8) aside, body (2) is outwards skidded off, just can easily take off body (2).

In Fig. 9 and Figure 10, provide the application scheme of two kinds of one-piece type electronic ballast for fluorescent lamp.A kind of scheme wherein shown in Figure 9 is, body (2) and base body (1) respectively have 6 contacts (4) and (3), linked to each other respectively with fluorescent lamp (10) with civil power AC by the contact (3) of base body (1).Figure 10 is another kind of application scheme, be mainly used in special-shaped fluorescent lamp, on body (2) daylight lamp holder be housed, fluorescent lamp (10) directly is inserted on the lamp socket of body (2), body (2) and base body (1) respectively have 2 contacts (4) and (3), are linked to each other with civil power AC by the contact (3) of base body (1).

In actual use, after normal mounting was finished first, the base body of electric ballast just was in normal wiring state all the time, and the electronic ballast body is fully independently, can arbitrarily from pedestal, extract or insert, reach and to guarantee that operate as normal is convenient to dismounting again and changes.When dismounting and change,,, do not contact very easy to use and safety owing to need not remove moving ballast base body with civil power so needn't take out stitches and rewiring.

Certainly, the body of this plug-in type electromagnetic sub-ballast and the way of contact between the pedestal can also be adopted the connector pattern; Connected mode between body and the pedestal also can adopt other modes to connect or use screw to fix; The cross section external form of electric ballast can be other suitable external form; Base body also can be made an integral body with fluorescent lighting fixture.Such conversion all drops within the protection range of the present utility model.

Claims

1. plug-in type electromagnetic sub-ballast, ballast base body (1) by ballast body (2) and double as terminal box is formed, be connected for plug-in type between the body of ballast (2) and the base body (1), it is characterized in that: one group of contact (4) is arranged on the outer wall of body (2), the corresponding contact, contact (3) that another group and body (2) outer wall are arranged at the inwall of base body (1), after ballast body (2) inserts base body (1), these two groups of contacts are in contact with one another and make body (1) cut-in operation circuit, fix by a jockey between body of electric ballast (2) and the base body (1).

2. plug-in type electromagnetic according to claim 1 sub-ballast is characterized in that: the quantity of pairing two groups of contacts between electronic ballast body (2) and the base body (1), the difference according to the mode of connection of fluorescent lamp is respectively 2,4,6.

3. plug-in type electromagnetic according to claim 1 sub-ballast is characterized in that: the jockey between electronic ballast body (2) and the base body (1) is the ramp projections (7) that is positioned at the projection (5) of body (2) back outer wall and is positioned at two lateral walls; Be positioned at the groove (6) of base body (1) rear wall and be positioned at the porose card arm (8) of two side, the projection on the body (2) is corresponding with the hole of the groove of base body (1) and card arm respectively.

4. plug-in type electromagnetic according to claim 1 sub-ballast is characterized in that: this jockey is two dovetail type projectioies (11) and the ramp projections (7) that is positioned at body (2) two lateral walls; Be positioned at two the dovetail type grooves (12) and the porose card arm (8) of base body (1) two madial wall; The dovetail type groove (12) that dovetail type on the body (2) protruding (11) rises with base body (1) matches, and inclined convex (7) rises corresponding with the hole of blocking arm (8).