CN100586246C

CN100586246C - Plug-in type electronic ballast

Info

Publication number: CN100586246C
Application number: CN200510072529A
Authority: CN
Inventors: 覃家联
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-05-09
Filing date: 2005-05-09
Publication date: 2010-01-27
Anticipated expiration: 2025-05-09
Also published as: CN1863424A

Abstract

This invention relates to card environmental protection energy save electronic thyristors, in which, all the electronic elements are mounted on two circuit boards separately to be protected, shielded and earthed by a chip cover and a chip bottom to form two chips of A and B plugged in their corresponding shells from the faucet of the chip of the shell to be connected with daylight lamps, power supply and chips, an anti-interference suppression circuit, a commutation filter circuit, safety protection circuit, a buffer start-up circuit and a LC resonance circuit are mounted on chip A and a switch tube, its work and protection circuit, a start-up circuit and a HF transformer are mounted on chip B to exchange the aged electronic elements by a card way.

Description

The plug-in type electric ballast

Technical field

The present invention relates to a kind of electric ballast, particularly a kind of plug-in type electric ballast.

Background technology

The general 1-3 of electronic ballast stream device in the market just has a spot of electronic component aged deterioration, can only change by whole ballast, materials such as a large amount of intact electronic components, housing, lead have greatly been wasted, the overall price of changing ballast can not be descended significantly, and change ballast and will have certain electrician's knowledge, trouble, time-consuming has formed the contradiction of " power saving does not save money ", and the large tracts of land that has extremely seriously influenced China's green illumination promotes on a large scale.

Summary of the invention

In order to overcome above-mentioned shortcoming, the invention provides a kind of convenience and only change the plug-in type electric ballast of normal fragile electronic component, its advantage has simple in structure, without special knowledge, just can change the consumable accessory of electric ballast quickly and easily, and replacement cost is very low, the plug-in type electric ballast that is easy to apply.

For reaching above purpose, technical solution of the present invention is such, be to be 200520003474.8 to my application number, name is called the significant improvement of the application of " changing cassette environmental protection and energy saving fluorescent lamp ballast ", comprise housing, chip, lead, contact base, contact, it is characterized in that whole ballast has two chip blocks of difference in functionality, each chip block has different anti-wrong plug holes, two housings, anti-wrong plug baffle plate is arranged in the contact base of housing, each chip block can only be inserted in the housing from each self-corresponding chip socket, and chip card stays in the housing fixing, and each contact interior with being contained in contact base of each contact on the chip closely contacts, form good being electrically connected between contact and the contact, the chip of chip has covered chip mouth, contact, contact and lead have connected ballast and power supply as intermediate medium, ballast and fluorescent lamp and A, the connection each other of B chip.

Described housing is a cuboid, and injection molded with flame-retarded plastic, there is chip socket the rear end, front panel has latch post, wire guide, on the four sides louvre is arranged, and there is the grab baffle plate chip socket both sides, lead passes from the wire guide of front panel, and there is the housing mounting ear at outer both sides or two ends; Earhole on the contact base at the middle part of front panel injects in the pin contact base is fixed, contact base is the square-shaped hopper pit type, the dividing plate that symmetry is arranged on the upper and lower limit of contact base, the clamp connected spring is arranged between the dividing plate, the both sides of spring are lived in the upper and lower checkpost of pit, wire bonds is on the base of spring, the flexible grab in the chip outer both sides of lid of chip, the grab end has by handle, chip is inserted in the housing, and grab drops in the preceding hole of grab baffle plate, and is stuck on the grab baffle plate, chip is fixed in the housing, and grab is exposed at outside the pit of housing by handle; The grab of pressing both sides simultaneously can be pulled out chip by handle from housing; Two housings can be installed separately, and an injection molded is installed side by side, also can open front be installed by injection molded of open front.

Described housing front panel has the fluorescent lamp runners of outer dress, chip socket is arranged above the housing, chip socket under the housing base plate on contact base jack, routing hole are arranged, the post of the buckle of contact base penetrates in the contact base jack, post on the contact base and hook are fixed on the housing base plate contact base, and housing descends both sides that the installation slot is arranged outward; The hole that the pressure type contact passes on the contact base bottom surface is inserted in the hole, and contact point is the elasticity semicircle shape, and top is stuck in the hole of contact base, and lower knuckle is drawn with welding lead; The outer both sides of rear end semicircle extended position band hamulus chip vertically is inserted in the housing, and elastic fastening hook springs in the louvre of housing both sides, and is stuck on the two side; Inwardly press simultaneously the both sides hamulus that anti-skidding striped is arranged of chip, can from housing, pull out chip; Two housings are installed in the two ends of daylight lamp bracket.

The fluorescent lamp runners of dress in described housing front end has, there is chip socket the rear end, on the interior four sides supporting plate is arranged, forward opening part has contact base on the bottom surface, the jack of one end sealing is arranged at the bottom of the contact base, and the jack open front has wire guide between two openings, there are routing hole, spring fixed hole in bottom surface behind the contact base, and there is the baffle plate that prevents that spring from moving the fixing hole both sides; Half hole of dark 1.5-2 millimeter is arranged at the bottom of front panel, the quantity in half hole is identical with the quantity of " Y " shape spring, there is Ka Keng in the bottom of contact jack, the quantity of Ka Keng is identical with the quantity of " Y " shape pressure type spring, and " Y " shape spring one end is inserted in the jack of contact base, and the other end is inserted in half hole, movable end is bent downwardly, bending clamp can be movable among Ka Keng, and " Y " shape spring has and is used for the crooked perk of welding lead; Spring is screwed, the chip when its elastic force makes and to be inserted into be pressed into housing baffle plate in fixing, there is clasp the chip rear end, passes through spring ground connection at the bottom of chip lid that metal is made and the chip; Pressing clasp to bottom direction can pull out chip from housing; Two housings are installed in the two ends of daylight lamp bracket.

One side of described housing has chip socket, and contact base is on opposite side, and chip is inserted in the housing, and chip socket is covered by " door " formula bonnet.

Described chip is divided into two of chip lid A, the B identical with the chip bottom structure, every chip block comprises that chip covers, at the bottom of the chip, printed circuit board (PCB), electronic component and contact; Electronic component is contained on the printed circuit board (PCB), is covered by chip, and printed circuit and solder joint are lived by the chip bottom, and the contact is at the front end of printed circuit board (PCB), and the exposed copper layer that is extended by the circuit printing of ballast input/output terminal forms, and exposes at the bottom of chip lid and the chip; Preceding two angles in the Liang Jiao of printed circuit front edge of board and anti-wrong plug hole are rounded corners, protrude between the above and below and fine away; Functional circuit on the chip can be made of discrete electronic component, also can be discrete electronic component, thick film circuit, integrated circuit mixing formation; Chip A goes up the functional circuit of installing has the anti-interference filtration circuit, rectification and current rectifying and wave filtering circuit, voltage stabilizing, overcurrent-overvoltage protecting circuit, soft-start circuit, LC series resonant circuit; There are eight contacts to be connected on the chip A, wherein connect the ballast power input in two contacts, be connected to civil power by contacted contact and the lead that is welded on the contact outward with inside and outside functional circuit; Connect direct current output in two contacts, be connected to the upward contacted contact in direct current input contact of chip B by contacted contact and the lead that is welded on the contact outward; Connect an end of LC series resonance inductance in contact, the other end of inductance (is looked the difference of circuit in the middle of being connected on two rectifying and wave-filtering electric capacity, also can connect the positive pole of DC power supply, perhaps behind electric capacity, connect the positive pole of power supply), be connected to the pin holes that fluorescent lamp A1 holds by contacted contact and the lead that is welded on the contact outward; Connect an end of LC series resonance electric capacity in contact, outward by contacted contact be welded on another pin holes that lead on the contact is connected to fluorescent lamp A1 end; Connect the other end of LC series resonance electric capacity in contact, outward by contacted contact be welded on the pin holes that lead on the contact is connected to fluorescent lamp B1 end; Ground connection in the contact outward is connected the earth by contacted contact with lead on being welded on contact; Chip B goes up switching tube (triode or field effect transistor) and work and protective circuit, start-up circuit, high frequency transformer is installed; There are four contacts to be connected on the chip B, wherein connect the direct current input in two contacts, be connected to the upward contacted contact of direct current output contact of chip A by contacted contact and the lead that is welded on the contact outward with inside and outside functional circuit; Connect an end of high frequency transformer primary coil in contact, outward by contacted contact be welded on another pin holes that lead on the contact is connected to fluorescent lamp B1 end; Ground connection in the contact outward is connected the earth by contacted contact with lead on being welded on contact.

Injection molded at the bottom of described chip lid and the chip with flame-retarded plastic, there is grab outer both sides and by handle, each face of chip lid has louvre, in the hole is arranged, pin is arranged at the bottom of the chip, the circuit board corresponding position is porose, and the pin at the bottom of the chip passes borehole jack on the circuit board and enters hole in the chip lid, chip cover, at the bottom of the chip and circuit board form chip integral body.

Form with thin aluminium, copper, iron electric conducting material punching press bending at the bottom of described chip lid and the chip, comprise bottom surface and two sides at the bottom of the chip, do not establish louvre, in switching tube corresponding position perforate, with screw the fin of switching tube is close to side at the bottom of the chip, at the bottom of the chip and as the fin of switching tube, screw puts insulating case, fill up heat conductive isolation sheet (fin of some switching tube has been insulated encapsulation, and then screw need not put between insulating case, switching tube and the chip lid and need not fill up heat conductive isolation sheet) between at the bottom of the fin of switching tube and the chip; There is the pit and the clamp of fixing circuit board both sides at the bottom of the chip, above the chip lid comprises and two sides, front and back, there is clasp the back, there is curved tearing open and inserted sheet at the bottom of the chip and the side that is in contact with one another of chip lid, there is pit the printed circuit board (PCB) both sides, the recessed pit that blocks circuit board at the bottom of the chip, clamp push down circuit board above, the chip lid fastens at the bottom of the chip, make the chip lid, at the bottom of the chip and circuit board form chip integral body, contact and place, contact end expose, other each end face, electronic component, printed circuit, solder joint is all lived by chip lid and chip bottom, fills up insulating material at the bottom of the chip and between the circuit board, ground wire in the circuit is connected at the bottom of the chip or the chip lid, by grounding contact or spring ground connection, reach the purpose of anti-electromagnetic radiation again, the chip cover back-end is loaded onto both sides hamulus formula bonnet.

Described chip and housing are that pairing is used, and the chip that indicates " A " is inserted in the housing that indicates " A ", and the chip that indicates " B " is inserted in the housing that indicates " B "; Contact base in each housing all has anti-wrong plug baffle plate, each chip all has anti-wrong plug hole, the anti-wrong plug hole of chip is at the front end of chip, the anti-wrong plug baffle plate of housing is on contact base, the anti-wrong plug that indicates the chip of " A " is cheated in the left side, the anti-wrong plug baffle plate of the contact base of the housing that indicates " A " that cooperates is in the left side, and the anti-wrong plug that indicates the chip of " B " is cheated on the right side, and the anti-wrong plug baffle plate of the contact base of the housing that indicates " B " of cooperation is on the right side; Otherwise also can in the position in whole anti-wrong plug baffle plates and anti-wrong plug hole.

What the structure of contact base can be in clamp connected or the pressure type in the described housing is a kind of, and the quantity of the contact in the contact base is followed according to the quantity of chip upper contact and decided.

The useful effect that the present invention brings is: extremely be convenient for changing normal fragile electronic component, simple in structure, replacement cost is very low, be easy to apply.

Description of drawings

The present invention is further described below in conjunction with drawings and Examples.

Fig. 1 is A---the A vertical section complete section structural map that a chip of first embodiment of the invention is inserted in the structure in the housing.

Fig. 2 is that the part section structural map is looked on a shell structure left side of first embodiment of the invention.

Fig. 3 is that the structure that a chip of first embodiment of the invention is inserted in the housing is overlooked the part section structural map.

Fig. 4 is that a chip of second embodiment of the invention is inserted in C---the C vertical section complete section structural map in the housing.

Fig. 5 is that a chip of second embodiment of the invention is inserted in B---the B ladder complete section structural map in the housing.

Fig. 6 is that a chip of third embodiment of the invention is inserted in F---the F vertical section complete section structural map in the housing.

Fig. 7 be a chip of third embodiment of the invention be inserted in the housing D---D looks on a left side complete section surface construction figure.

Fig. 8 be a chip of third embodiment of the invention be inserted in the housing E---E overlooks ladder complete section surface construction figure.

Fig. 9 is the front panel behind structural map of third embodiment of the invention.

Figure 10 is A of the present invention, B chip power line structure circuit connection diagram.

1. housings among the figure, 2. chip, 3. front panel; 4. lead, 5. clamp connected spring, 6. contact base; 7. printed circuit board (PCB), 8. pin, 9. front panel wire guide; 10. dividing plate, 11. housing mounting ears, 12. contact base mounting ears; 13. anti-wrong plug baffle plate, 14. grabs are by handle, 15. grab baffle plates; 16. grab, 17. grab holes, 18. louvres; 19. the chip lid, at the bottom of 20. chips, 21. fitted outside fluorescent lamp runners; 22. pressure type spring; 23. routing hole, 24. anti-wrong plugs holes, the pin at the bottom of 25. chips; 26. the hole on the chip shell; 27. outer both sides extended position hamulus, 28. mounting grooves, 29. built-in type fluorescent lamp runners; 30. spring bending; 31. the spring bending perk, 32. half holes, 33. pressure type springs; 34. spring; 35. spring fixed hole, 36. clasps, 37. supporting plates; 38. insulation cushion; 39. wire guide, 40. prevent the spring moving stop, 41. clamps; 42. the pit of circuit board; 43. the pit at the bottom of the chip, 44. screws, 45. insulating trips; 46. switching tube; 47. contact jack, 48. Ka Keng, 49. fluorescent lamps; 50; 51; 52; 53; 54; 55; 56; 57; 61; 62; 63; 64. contact; 58. the anti-interference filtration circuit, 59. rectifications and current rectifying and wave filtering circuit, 60. voltage stabilizings; overcurrent-overvoltage protecting circuit; 65. start-up circuit, 66. switching tubes and work thereof and protective circuit.

Embodiment

20 usefulness flame-retarded plastics are injection molded at the bottom of the chip of Fig. 1, Fig. 3, Fig. 4, Fig. 5 chips lid 19 and chip, there is grab 16 outer both sides and by 14, each face of chip lid 19 has louvre, in hole 26 is arranged, pin 25 is arranged at the bottom of the chip, the circuit board corresponding position is porose, and the pin 25 at the bottom of the chip on 20 passes borehole jack on the circuit board and enters holes in the chip lid 19, at the bottom of chip lid 19, the chip 20 and circuit board 7 form chip integral body 2.

At Fig. 6, Fig. 7, the thin aluminium of 20 usefulness at the bottom of the chip lid 19 of Fig. 8 chips and the chip, copper, iron electric conducting material punching press bending forms, 20 comprise bottom surface and two sides at the bottom of the chip, do not establish louvre, in switching tube corresponding position perforate, with screw 44 fin of switching tube 46 is close at the bottom of the chip 20 side, at the bottom of the chip 20 and as the fin of switching tube, screw 44 puts insulating case, (fin of some switching tube has been insulated encapsulation, and then screw need not put insulating case to fill up heat conductive isolation sheet 45 at the bottom of the fin of switching tube 46 and the chip between 20, need not fill up heat conductive isolation sheet between switching tube and the chip lid); There is the pit 43 and the clamp 41 of fixing circuit board 20 both sides at the bottom of the chip, above chip lid 19 comprises and two sides, front and back, there is clasp 36 back, at the bottom of the chip 20 and the side that is in contact with one another of chip lid 19 curved tearing open and inserted sheet arranged, there is pit 42 printed circuit board (PCB) 7 both sides, pit 43 at the bottom of the chip on 20 blocks the pit 42 of circuit board, clamp 41 push down circuit board 7 above, chip lid 19 fastens at the bottom of the chip 20, make chip lid 19, at the bottom of the chip 20 and circuit board 7 form chip integral body 2, contact and place, contact end expose, other each end face, electronic component, printed circuit, solder joint all 20 is covered at the bottom of chip lid 19 and the chip, at the bottom of the chip 20 and circuit board 7 between the pad insulating material 38, ground wire in the circuit is connected at the bottom of the chip 20 or chip lid 19, by grounding contact or spring 34 ground connection, reach the purpose of anti-electromagnetic radiation again, the chip cover back-end is loaded onto both sides hamulus formula bonnet.

At Fig. 2, Fig. 5 chips 2 and housing 1 is that pairing is used, and the chip that indicates " A " is inserted in the housing that indicates " A ", and the chip that indicates " B " is inserted in the housing that indicates " B "; Contact base 6 in each housing all has anti-wrong plug baffle plate 13, each chip 2 all has anti-wrong plug hole 24, anti-wrong plug hole 24 the front ends of chip at chip, the anti-wrong plug baffle plate 13 of housing is on contact base, the anti-wrong plug that indicates the chip of " A " cheats 24 in the left side, the anti-wrong plug baffle plate 13 of the contact base of the housing that indicates " A " that cooperates is in the left side, and the anti-wrong plug that indicates the chip of " B " cheats 24 on the right side, and the anti-wrong plug baffle plate 13 of the contact base of the housing that indicates " B " of cooperation is on the right side; Otherwise also can in the position in whole anti-wrong plug baffle plates 13 and anti-wrong plug hole 24.

What the structure of contact base 6 can be in clamp connected 5 or the pressure type 22,33 in Fig. 1, Fig. 4, Fig. 6 middle shell is a kind of, and the quantity of the contact in the contact base is followed according to the quantity of chip upper contact and decided.

Two of 20 structures are identical at the bottom of Fig. 1, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Figure 10 chips are divided into chip lid 19 and chip A, B, every chip block comprise at the bottom of chip lid 19, the chip 20, printed circuit board (PCB) 7, electronic component and contact; Electronic component is contained on the printed circuit board (PCB) 7, covered by chip lid 19, printed circuit and solder joint 20 cover at the bottom of by chip, and the contact is at the front end of printed circuit board (PCB) 7, the exposed copper layer that is extended by the circuit printing of ballast input/output terminal forms, expose to chip cover 19 and chip at the bottom of 20; Preceding two angles in the Liang Jiao of printed circuit board (PCB) 7 front ends and anti-wrong plug hole 24 are rounded corners, protrude between the above and below and fine away; Functional circuit on the chip 2 can be made of discrete electronic component, also can be discrete electronic component, thick film circuit, integrated circuit mixing formation; Chip A goes up the functional circuit of installing has anti-interference filtration circuit 58, rectification and current rectifying and wave filtering circuit 59, voltage stabilizing, overcurrent-overvoltage protecting circuit 60, soft-start circuit, LC series resonant circuit; There are eight contacts to be connected on the chip A, wherein connect the ballast power input in two contacts 55,56, be connected to civil power by contacted contact and the lead that is welded on the contact outward with inside and outside functional circuit; Connect direct current output in two contacts 53,54, be connected to upward direct current input contact 62,63 contacted contacts of chip B by contacted contact and the lead that is welded on the contact outward; Connect an end of LC series resonance inductance in contact 50, the other end of inductance (is looked the difference of circuit in the middle of being connected on two rectifying and wave-filtering electric capacity, also can connect the positive pole of DC power supply, perhaps behind electric capacity, connect the positive pole of power supply), be connected to the pin holes that fluorescent lamp 49A1 holds by contacted contact and the lead that is welded on the contact outward; Connect an end of LC series resonance electric capacity in contact 51, outward by contacted contact be welded on another pin holes that lead on the contact is connected to fluorescent lamp 49A1 end; Connect the other end of LC series resonance electric capacity in contact 52, outward by contacted contact be welded on the pin holes that lead on the contact is connected to fluorescent lamp 49B1 end; Ground connection in contact 57 are connected the earth by contacted contact with lead on being welded on contact outward; Chip B goes up switching tube (triode or field effect transistor) and work and protective circuit 66, start-up circuit 65, high frequency transformer is installed; There are four contacts to be connected on the chip B with inside and outside functional circuit, wherein connect the direct current input in two contacts 62,63, be connected to upward direct current output contact 53,54 contacted contacts of chip A by contacted contact and the lead that is welded on the contact outward; Connect an end of high frequency transformer primary coil in contact 61, outward by contacted contact be welded on another pin holes that lead on the contact is connected to fluorescent lamp 49B1 end; Ground connection in contact 64 are connected the earth by contacted contact with lead on being welded on contact outward.

At Fig. 1, Fig. 2, first embodiment middle shell 1 shown in Figure 3 is cuboid, injection molded with flame-retarded plastic, there is chip socket the rear end, front panel 3 has latch post 8, wire guide 9, on the four sides louvre 18 is arranged, there is grab baffle plate 15 the chip socket both sides, and lead passes from the wire guide 9 of front panel 3, and there is housing mounting ear 11 at outer both sides or two ends; Earhole 12 on the contact base 6 at the middle part of front panel 3 injects and makes contact base 6 fixing in the pin 8, contact base 6 is the square-shaped hopper pit type, on the contact base 6, the dividing plate 10 that symmetry is arranged in the bottom, clamp connected spring 5 is arranged between the dividing plate 10, on the pit, the both sides of spring 5 are blocked by bottom, lead 4 is welded on the base of spring 5, the flexible grab 16 in chip lid 19 outer both sides of chip, the grab end has by 14, chip 2 is inserted in the housing 1, and grab 16 drops on 17 li in hole before the grab baffle plate 15, and is stuck on the grab baffle plate 15, and chip 2 is fixed in the housing 1, and grab is by being exposed at 14 outside the pit of housing 1; The grab of pressing both sides simultaneously can be pulled out chip 2 by 14 from housing 1; Two housings 2 can be installed separately, and an injection molded is installed side by side, also can open front be installed by injection molded of open front, and this housing is installed in other the fluorescent lamp housing.

The fluorescent lamp runners 21 of dress outside Fig. 4, second embodiment middle shell, 1 front panel 3 shown in Figure 5 have, above the housing 1 chip socket is arranged, chip socket under the housing base plate on contact base jack, routing hole 23 are arranged, the post of the buckle of contact base penetrates in the contact base jack, post on the contact base and hook are fixed on the housing base plate contact base, and there is the slot 28 of installation housing 1 outer both sides down; The hole that pressure type contact 22 passes on contact base 6 bottom surfaces is inserted in the hole, and contact point is the elasticity semicircle shape, and top is stuck in the hole of contact base 6, and lower knuckle is drawn with welding lead; The outer both sides of rear end semicircle extended position hamulus chip 2 vertically is inserted in the housing 1, and elastic fastening hook 16 springs into 18 li of the louvres of housing 1 both sides, and is stuck on the two side 27; Inwardly press simultaneously the both sides hamulus that anti-skidding striped is arranged of chip, can from housing 1, pull out chip 2; Two housings are installed in the two ends of daylight lamp bracket.

The fluorescent lamp runners 29 of dress in Fig. 6, Fig. 7, Fig. 8, the 3rd embodiment middle shell 1 front end shown in Figure 9 have, there is chip socket the rear end, on the interior four sides supporting plate 37 is arranged, forward opening part has contact base 6 on the bottom surface,, there is the jack of end sealing at 6 ends of contact base, and the jack open front has wire guide 39 between two openings, there are routing hole 23, spring fixed hole 35 in bottom surface behind the contact base 6, and there is the baffle plate 40 that prevents that spring from moving fixing hole 35 both sides; What dark 1.5-2 millimeter arranged at the bottom of front panel 3 partly cheats 32, it is identical with the quantity of " Y " shape spring partly to cheat 32 quantity, there is card hole 48 in the bottom of contact jack 47, the quantity of Ka Keng is identical with the quantity of " Y " shape pressure type spring 33, and " Y " shape spring 33 1 ends are inserted in the jack of contact base 6, and the other end is inserted in half hole 32, movable end is bent downwardly 30, crooked 30 are clipped among the card hole 48, can activity, and spring 33 has and is used for the crooked perk 31 of welding lead; Spring 34 is screwed, the chip 2 when its elastic force makes and to be inserted into be pressed into housing 1 baffle plate in fixing, there is clasp 36 the chip rear end, 20 by spring 34 ground connection at the bottom of chip lid 19 that metal is made and the chip; Pressing clasp 36 to bottom direction can pull out chip 2 from housing 1; Two housings are installed in the two ends of daylight lamp bracket.

Embodiment four, and a side of housing has chip socket, and contact base is on opposite side, and chip is inserted in the housing, and chip socket is by fixing on one side, and another side rotary " door " formula chip flap covers.

Claims

1, a kind of plug-in type electric ballast comprises housing, chip, lead, contact base, contact; It is characterized in that:

Chip comprises the A of difference in functionality, B two chip blocks (2), chip comprise (20), printed circuit board (PCB) (7) at the bottom of chip lid (19), the chip, electronic component and contact, and all electronic components are installed in A respectively, on two circuit boards of B chip, each chip block has different anti-wrong plug holes (24);

A, B two chip blocks (2) can only be inserted in the housing (1) from each self-corresponding chip socket, and chip (2) blocks fixing in housing (1) lining;

Contact is installed in the contact base (6), and contact base (6) is installed in the housing, and anti-wrong plug baffle plate (13) is arranged;

Wire bonds makes ballast and power supply on contact, ballast becomes each other with the B chip with fluorescent lamp and A and is electrically connected;

A, B two chip blocks (2) can independently separately be pulled out from housing (1), and the chip of changing same model can make ballast reuse, and needn't change whole ballast.

2, according to the plug-in type electric ballast of claim 1, it is characterized in that housing (1) is a cuboid, injection molded with flame-retarded plastic, there is chip socket the rear end, front panel (3) has latch post (8), wire guide (9), on the four sides louvre (18) is arranged, and there is grab baffle plate (15) the chip socket both sides, lead passes from the wire guide (9) of front panel (3), and there is housing mounting ear (11) at outer both sides or two ends; Earhole (12) on the contact base (6) at the middle part of front panel (3) injects and makes contact base (6) fixing in the pin (8), contact base (6) is the square-shaped hopper pit type, on the contact base (6), the dividing plate (10) that symmetry is arranged in the bottom, clamp connected spring (5) is arranged between the dividing plate (10), on the pit, the both sides of spring (5) are blocked by bottom, lead (4) is welded on the base of spring (5), the chip lid flexible grabs in (19) outer both sides (16) of chip, the grab end has by (14), chip (2) is inserted in the housing (1), grab (16) drops on the preceding lining, hole (17) of grab baffle plate (15), and be stuck on the grab baffle plate (15), chip (2) is fixed in the housing (1), and grab is by (14) are exposed at outside the pit of housing (1); The grab of pressing both sides simultaneously can be pulled out chip (2) by (14) from housing (1); Two housings (2) can be installed separately, and an injection molded is installed side by side, also can open front be installed by injection molded of open front.

3, according to the plug-in type electric ballast of claim 1, it is characterized in that housing (1) front panel (3) has the fluorescent lamp runners (21) of outer dress, above the housing (1) chip socket is arranged, chip socket under the housing base plate on contact base jack, routing hole (23) are arranged, the post of the buckle of contact base penetrates in the contact base jack, post on the contact base and hook are fixed on the housing base plate contact base, and there is installation slot (28) the outer both sides down of housing (1); The hole that pressure type contact (22) passes on contact base (6) bottom surface is inserted in the hole, and contact point is the elasticity semicircle shape, and top is stuck in the hole of contact base (6), and lower knuckle is drawn with welding lead; Semicircle outer both sides extended position hamulus chips (2) in rear end vertically are inserted in the housing (1), and elastic fastening hook (16) springs into louvre (18) lining in housing (1) both sides, and is stuck on the two side (27); Inwardly press simultaneously the both sides hamulus that anti-skidding striped is arranged of chip, can from housing (1), pull out chip (2); Two housings are installed in the two ends of daylight lamp bracket.

4, according to the plug-in type electric ballast of claim 1, it is characterized in that housing (1) front end has the fluorescent lamp runners (29) of interior dress, there is chip socket the rear end, on the interior four sides supporting plate (37) is arranged, forward opening part has contact base (6) on the bottom surface,, there is the jack of end sealing at contact base (6) end, before the jack

Opening has wire guide (39) between two openings, there are routing hole (23), spring fixed hole (35) in the bottom surface behind the contact base (6), and there is the baffle plate (40) that prevents spring and move fixing hole (35) both sides; Half hole (32) and contact jack (47) of dark 1.5-2 millimeter arranged at the bottom of front panel (3), the quantity in half hole (32) is identical with the quantity of " Y " shape spring, there is Ka Keng (48) in the bottom of contact jack (47), the quantity of Ka Keng is identical with the quantity of " Y " shape spring (33), " Y " shape spring (33) one ends are inserted in the jack of contact base (6), the other end is inserted in half hole (32), movable end is bent downwardly (30), crooked (30) are clipped among the Ka Keng (48), can be movable, " Y " shape spring (33) has and is used for the crooked perk (31) of welding lead; Spring (34) is screwed, and the chip (2) when its elastic force makes and to be inserted into is pressed in the baffle plate of housing (1) fixing, and there is clasp (36) the chip rear end, and (20) pass through spring (34) ground connection at the bottom of chip lid (19) that metal is made and the chip; Pressing clasp (36) to bottom direction can pull out chip (2) from housing (1); Two housings are installed in the two ends of daylight lamp bracket.

5, according to the plug-in type electric ballast of claim 1, it is characterized in that a side of housing has chip socket, contact base is on opposite side, and chip is inserted in the housing, and chip socket is by fixing on one side, and another side rotary " door " formula chip flap covers.

6, according to the plug-in type electric ballast of claim 1, it is characterized in that chip is divided into two of A, the B that (20) structure is identical at the bottom of chip lid (19) and the chip, every chip block comprises that chip covers (20), printed circuit board (PCB) (7) at the bottom of (19), the chip, electronic component and contact; Electronic component is contained on the printed circuit board (PCB) (7), cover by chip lid (19), printed circuit and solder joint by chip at the bottom of (20) cover, the contact is at the front end of printed circuit board (PCB) (7), the exposed copper layer that is extended by the circuit printing of ballast input/output terminal forms, exposes to chip and covers (20) at the bottom of (19) and the chip; Preceding two angles in the Liang Jiao of printed circuit board (PCB) (7) front end and anti-wrong plug hole are rounded corners, protrude between the above and below and fine away; Functional circuit on the chip (2) can be made of discrete electronic component, also can be discrete electronic component, thick film circuit, integrated circuit mixing formation; Chip A goes up the functional circuit of installing has anti-interference filtration circuit (58), rectification and current rectifying and wave filtering circuit (59), voltage stabilizing, overcurrent-overvoltage protecting circuit (60), soft-start circuit, LC series resonant circuit; There are eight contacts to be connected on the chip A, wherein connect the ballast power input in two contacts (55,56), be connected to civil power by contacted contact and the lead that is welded on the contact outward with inside and outside functional circuit; Connect direct current output in two contacts (53,54), be connected to the upward contacted contact in direct current input contact (62,63) of chip B by contacted contact and the lead that is welded on the contact outward; Connect an end of LC series resonance inductance in the contact (50), the other end of inductance is connected in the middle of two rectifying and wave-filtering electric capacity, look the difference of circuit, also can connect the positive pole of DC power supply, perhaps behind electric capacity, connect the positive pole of power supply, be connected to the pin holes that fluorescent lamp (49) A1 holds by contacted contact and the lead that is welded on the contact outward; Connect an end of LC series resonance electric capacity in the contact (51), be connected to another pin holes that fluorescent lamp (49) A1 holds by contacted contact and the lead that is welded on the contact outward; Connect the other end of LC series resonance electric capacity in the contact (52), be connected to the pin holes that fluorescent lamp (49) B1 holds by contacted contact and the lead that is welded on the contact outward; The interior ground connection in a contact (57) outward is connected the earth by contacted contact with lead on being welded on contact; Chip B goes up switch triode or field effect transistor and work and protective circuit (66), start-up circuit (65), high frequency transformer is installed; There are four contacts to be connected on the chip B with inside and outside functional circuit, wherein connect the direct current input in two contacts (62,63), be connected to the upward contacted contact of direct current output contact (53,54) of chip A by contacted contact and the lead that is welded on the contact outward; Connect an end of high frequency transformer primary coil in the contact (61), be connected to another pin holes that fluorescent lamp (49) B1 holds by contacted contact and the lead that is welded on the contact outward; The interior ground connection in a contact (64), the lead that is welded on the contact by contacted contact blade connects the earth outward.

7, according to the plug-in type electric ballast of claim 6, (20) are injection molded with flame-retarded plastic at the bottom of it is characterized in that chip lid (19) and chip, there is grab (16) outer both sides and presses (14), each face of chip lid (19) has louvre, in hole (26) is arranged, pin (25) is arranged at the bottom of the chip, the circuit board corresponding position is porose, pin at the bottom of the chip on (20) (25) passes borehole jack on the circuit board and enters the hole on four jiaos in the chip lid (19), chip is covered (20) and circuit board (7) formation chip integral body (2) at the bottom of (19), the chip.

8, according to the plug-in type electric ballast of claim 6, (20) form with thin aluminium, copper, iron electric conducting material punching press bending at the bottom of it is characterized in that chip lid (19) and chip, (20) comprise bottom surface and two sides at the bottom of the chip, do not establish louvre, in switching tube corresponding position perforate, the side of the fin of switching tube (46) being close to (20) at the bottom of the chip with screw (44), at the bottom of the chip (20) and as the fin of switching tube, screw (44) puts insulating case, fills up heat conductive isolation sheet (45) at the bottom of the fin and chip of switching tube (46) between (20); There is the pit (43) and the clamp (41) of fixing circuit board (20) both sides at the bottom of the chip, above chip lid (19) comprises and two sides, front and back, there is clasp (36) back, there is curved tearing open and inserted sheet the side that is in contact with one another of (20) and chip lid (19) at the bottom of the chip, there is pit (42) printed circuit board (PCB) (7) both sides, pit at the bottom of the chip on (20) (43) blocks the pit (42) of circuit board, clamp (41) push down circuit board (7) above, chip lid (19) fastens (20) at the bottom of the chip, make chip lid (19), (20) and circuit board (7) form chip integral body (2) at the bottom of the chip, contact and place, contact end expose, other each end face, electronic component, printed circuit, solder joint is all covered by (20) at the bottom of chip lid (19) and the chip, fill up insulating material (38) at the bottom of the chip between (20) and the circuit board (7), ground wire in the circuit is connected to (20) or chip lid (19) at the bottom of the chip, by grounding contact or spring (34) ground connection, reach the purpose of anti-electromagnetic radiation again; The chip cover back-end is loaded onto both sides hamulus formula bonnet.

9, according to the plug-in type electric ballast of claim 1, it is characterized in that chip (2) and housing (1) they are that pairing is used, and the chip that indicates " A " is inserted in the housing that indicates " A ", and the chip that indicates " B " is inserted in the housing that indicates " B "; Contact base in each housing (6) all has anti-wrong plug baffle plate (13), each chip (2) all has anti-wrong plug hole (24), the anti-wrong plug hole (24) of chip is at the front end of chip, the anti-wrong plug baffle plate (13) of housing is on contact base, the anti-wrong plug that indicates the chip of " A " is cheated (24) in the left side, the anti-wrong plug baffle plate (13) of the contact base of the housing that indicates " A " that cooperates is in the left side, the anti-wrong plug that indicates the chip of " B " is cheated (24) on the right side, and the anti-wrong plug baffle plate (13) of the contact base of the housing that indicates " B " of cooperation is on the right side; Whole anti-wrong plug baffle plates (13) and anti-wrong plug cheat (24) on the contrary the position also can.

10, according to the plug-in type electric ballast of claim 1 or 2 or 3 or 4 or 5, what it is characterized in that the structure of contact base in the housing (6) can be in clamp connected (5) or the pressure type (22,33) is a kind of, and the quantity of the contact in the contact base is decided according to the quantity of chip upper contact.