Ballast fixture for fluorescent lighting

• US 5,908,235 A
• Filed: 04/28/1997
• Issued: 06/01/1999
• Est. Priority Date: 04/28/1997
• Status: Expired due to Fees

• Current Assignee: Technical Consumer Products, Inc. (Quality Light Source GmbH)
• Original Assignee: JRS Technology, Inc.
• Inventors: Chapin, Fletcher W., Susko, John R., Katyl, Robert H., Dranchak, David W., Murcko, Robert M., Petrozello, James R., Knauss, Scott W.
• Primary Examiner(s): TSO, LAURA K
• Application Number:
  US08/846,195
• Time in Patent Office: 764 Days
• Field of Search: 362/260, 362/219, 362/221, 362/218, 362/225, 362/362, 439/56, 439/57, 439/58, 439/76.1, 439/226, 439/235, 361/674, 361/683, 361/686, 361/687, 361/690, 361/692, 361/696, 361/697, 361/699, 361/700, 361/704, 361/709, 361/711, 361/712, 361/713, 361/714, 361/715, 361/716, 361/717 , 361/718
• US Class Current: 362/260
• CPC Class Codes: H05B 41/02 Details

Abstract

The present invention features an integrated, electronic fluorescent ballast fixture which includes an electronic ballast packaged with a set of fluorescent lamp connectors into an integral fixture. The fixture has a circuit board that selectably supports up to four fluorescent lamps. The housing of the fixture id configured to receive a number of lamp connectors. The connectors are electrically, connected to the circuit board use wire and poke-in type connectors. When used with conventional, straight fluorescent lamps, a second set of sockets at the far end of the lamps are also connected to the circuit board using wires received in poke-in connector on the circuit board. The integrated ballast package also works with U-shaped lamps. The housing of the fixture is shaped to accommodate projecting electronic ballast components attached to the circuit board. The transformers and transistors of the circuit board may be thermally sinked, so that their heat is carried to the housing by thermally conductive means. The housing consists of two halves that are assembled together with snap-in action latches, making the fixture quickly and easily fabricated. The ballast fixture can be used with a wide variety of light fixtures because of its modularity, affording a high degree of universality.

Claims

1. An integrated fluorescent ballast fixture comprising at least one ballast that has been combined with one or more lamp connectors into an integral light fixture, said light fixture comprising:

at least one circuit board containing said ballast, said circuit board being operative with at least one fluorescent lamp;

a housing supporting said circuit board and comprising means defining a number of lamp connector location apertures;

at least one lamp connector disposed in a location aperture in said housing said connector being displaced from said circuit board; and

connection means for electrically connecting said at least one lamp connector to said circuit board whereby said ballast fixture can be modified to include additional lamp connectors.

2. The integrated electronic fluorescent ballast fixture in accordance with claim 1, wherein said connection means comprises a poke-in connector for receiving an electrical wire from said circuit board.

3. The integrated electronic fluorescent ballast fixture in accordance with claim 1, wherein said housing of the fixture is shaped to accommodate projecting electronic ballast components attached to the circuit board.

4. The integrated electronic fluorescent ballast fixture in accordance with claim 1, wherein said housing comprises at least one substantially trapezoidally-shaped unit for accommodating projecting electronic ballast components, and for providing light reflectance.

5. The integrated electronic fluorescent ballast fixture in accordance with claim 1, wherein said circuit board comprises transformers and transistors, and further wherein said transformers and transistors are thermally sinked so that heat generated by said transformers and said transistors is carried to said housing.

6. The integrated electronic fluorescent ballast fixture in accordance with claim 5, wherein the thermally sinked transformers and transistors are thermally sinked by thermally conductive means disposed between respective transformers and transistors, and said housing.

7. The integrated electronic fluorescent ballast fixture in accordance with claim 1, wherein the housing comprises two halves that are snap-action assembled to each other.

8. The integrated electronic fluorescent ballast fixture in accordance with claim 7, wherein one of the two halves of the housing comprises male elements, and further wherein the other one of the two halves of the housing comprises female elements for accommodating said male elements, said male and female elements quickly snapping together for easily fabricating said housing.

21. The integrated fluorescent ballast fixture in accordance with claim 1, wherein said ballast is a electronic ballast.

9. An integrated electronic fluorescent ballast fixture comprising, in combination, a set of fluorescent lamp connectors electrically and mechanically connected to an electronic ballast to form an integral light fixture, said light fixture comprising:

a circuit board containing said electronic fluorescent ballast having transistors and transformers, said circuit board accommodating, and being operative with, one or more fluorescent lamps;

a bifurcated housing supporting said circuit board and comprising location-defining means defining a number of lamp connector location apertures; and

at least one lamp connector disposed in a lamp connector location aperture of said housing, and being displaced from, and electrically connected to said circuit board by connection means whereby said ballast fixture can be modified to include additional lamp connectors.

10. The integrated electronic fluorescent ballast fixture in accordance with claim 9, wherein said lamp connector is electrically connected to said circuit board by a poke-in connector disposed therein, said poke-in connector receiving an electrical wire from said circuit board.

11. The integrated electronic fluorescent ballast fixture in accordance with claim 9, wherein said bifurcated housing is shaped to accommodate projecting electronic ballast components attached to the circuit board.

12. The integrated electronic fluorescent ballast fixture in accordance with claim 9, wherein said bifurcated housing comprises at least one substantially trapezoidally-shaped unit for accommodating projecting electronic ballast components, and for providing light reflectance.

13. The integrated electronic fluorescent ballast fixture in accordance with claim 9, wherein said transformers and transistors of said circuit board are thermally sinked, such that heat generated by said transformers and said transistors is carried to said bifurcated housing.

14. The integrated electronic fluorescent ballast fixture in accordance with claim 13, wherein the thermally sinked transformers and transistors are thermally sinked by thermally conductive means disposed between respective transformers and transistors, and said bifurcated housing.

15. The integrated electronic fluorescent ballast fixture in accordance with claim 9, wherein the bifurcated housing comprises two halves that are snap-action assembled to each other.

16. The integrated electronic fluorescent ballast fixture in accordance with claim 15, wherein one of the two halves of the housing comprises male elements, and further wherein the other one of the two halves of the housing comprises female elements for accommodating said male elements, said male and female elements quickly snapping together for easily fabricating said housing.

17. An integrated electronic fluorescent ballast fixture comprising, in combination, a set of fluorescent lamp connectors electrically and mechanically connected to an electronic ballast to form an integral light fixture, said light fixture comprising:

a circuit board containing said electronic fluorescent ballast having transistors and transformers, said circuit board accommodating, and being operative with, one or more fluorescent lamps;

a bifurcated housing supporting said circuit board within two housing sections, and further comprising connection means defining a number of lamp connector location slots disposed about said housing; and

at least one lamp connector disposed in a lamp connector location slot of said housing, and being displaced from, and electrically connected to said circuit board by connection means whereby said ballast fixture can be modified to include additional lamp connectors.

18. The integrated electronic fluorescent ballast fixture in accordance with claim 17, wherein said bifurcated housing comprises at least one substantially trapezoidally-shaped unit for accommodating projecting electronic ballast components, and for providing light reflectance.

19. The integrated electronic fluorescent ballast fixture in accordance with claim 17, wherein said transformers and transistors of said circuit board are thermally sinked, such that heat generated by said transformers and said transistors is carried to said bifurcated housing.

20. The integrated electronic fluorescent ballast fixture in accordance with claim 19, wherein the thermally sinked transformers and transistors are thermally sinked by thermally conductive means disposed between respective transformers and transistors, and said bifurcated housing.