JP2005235457A - Adapter and lighting fixture - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To better an appearance with due consideration on a linking method of a case. <P>SOLUTION: The adapter 6 is provided with a case 5 having a pair of hooking blades 3, 3 connected to a hooking rosette 2 on its top face, housing a lighting control circuit board 4 at its inside. The case 5 is provided with a resin-made upper case 9 and a metal-made lower case 10, and the upper case 9 and the lower case 10 are linked together by inserting a jutted piece 40 protruded toward a top end of the lower case 10 into a slit 41 formed at the upper case 9 and caulking it. With this, a caulked and linked part of the upper case 9 and the lower case 10 become invisible from lower side, and the appearance is improved. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an adapter incorporating a lighting control circuit board and a lighting fixture using the adapter.

As in Patent Document 1, a lighting fixture adapter such as a remote control receiver has a lighting control circuit board including a remote control receiving circuit that operates by receiving power by a pair of hooking blades connected to a hooking rosette.
JP 2000-322928 A

  However, the case combination method is not clear. Accordingly, an object of the present invention is to improve the appearance by giving consideration to the case coupling method.

  In summary, the present invention provides an adapter including a case in which a pair of hooking blades connected to a hooking rosette are provided on the upper surface and a lighting control circuit board is built therein, the case being made of a resin upper case and a metal The upper case and the lower case are joined by a projecting piece protruding from the upper end of the lower case inserted into a slit formed in the upper case and caulked.

  According to the present invention, the caulking joint location between the upper case and the lower case is not visually recognized from below, and the appearance is improved.

  Next, an embodiment of the present invention will be described. However, this is merely an exemplary embodiment adopted based on the present invention, and the present invention should not be limitedly interpreted based on matters specific to the embodiment. The technical scope of the present invention should be determined based on the matters shown in the claims of the claims and matters substantially equivalent to the matters.

  The embodiment of the present invention is shown as a first embodiment in FIGS. 1 to 14, a second embodiment in FIGS. 15 to 18, and a third embodiment in FIG. 19. These are an adapter 6 and an adapter 6 in which a lighting control circuit board 4 comprising a high-frequency lighting circuit that is operated by receiving power by a pair of hooking blades 3 and 3 connected to a hooking rosette 2 fixed to the ceiling 1 is built in a case 5. The lighting fixture using is shown. In the adapter 6, the hooking blades 3 and 3 are fixed with screws or the like at a substantially central portion of the insulating seat 7 built in the case 5, and an upper portion thereof is exposed on the upper surface of the case 5. A plurality of insulating arms 8 and 8 are provided by integral molding or the like, and a lower edge thereof is in contact with the lighting control circuit board 4 and connected to and fixed to the bases of the hooking blades 3 and 3 (metal plate) (Although it may be an insulation coating lead wire) 13, 13 is connected to the lighting control circuit board 4. In this manner, the elements incorporated in the adapter 6 such as the hooking blades 3 and 3, the insulation seat 7 and the insulation arms 8 and 8, and the lighting control circuit board 4 are obtained by the new elements of the insulation seat 7 and the insulation arms 8 and 8. Since they can be integrated into a unit, handling during production becomes easy. When the protrusions 8a (see FIG. 8) are formed on the lower surfaces of the insulating arms 8 and 8, and these are inserted into the holes 4a (see FIGS. 2 and 3) of the lighting control circuit board 4, the insulating arms 8 and 8 are turned on. Positioning with the control circuit board 4 is ensured. The lower end of the conductive lead 13 is also inserted into the hole 4b (see FIGS. 5 and 6) of the lighting control circuit board 4. Next, the lower surface of the lighting control circuit board 4 is a solder surface. Then, the insulating seat 7 with the hooking blades 3 and 3 and the insulating arms 8 and 8 are placed on the lighting control circuit board 4 so that the conductive leads 13 are turned on. The bottom surface of the lighting control circuit board 4 is easily soldered by flowing it through an automatic soldering iron (not shown) while passing through the hole 4b of the board 4. It is preferable that the lead wire 20a (see FIGS. 1, 2, and 4) from the output connector 20 of the lighting control circuit board 4 is also passed through the lighting control circuit board 4 in advance and then passed through an automatic soldering iron. A frame-shaped insulating base 14 for supporting the lighting control circuit board 4 is provided, and screws 51 and 51 are screwed into the bosses 52 and 52 of the insulating base 14 through the lower portions of the insulating arms 8 and 8 and the lighting control circuit board 4. Fix it. As a result, the hooking blades 3 and 3, the insulating seat 7 and the insulating arms 8 and 8, and the lighting control circuit board 4 on which the soldering is completed can be handled as a unit in which the insulating base 14 is further fixed. It becomes.

  The case 5 includes an upper case 9 made of insulating resin and a lower case 10 made of metal, and the hooking blades 3, 3 are interposed between the upper case 9 and the insulating seat 7 through which the hooking blades 3, 3 penetrate. A reinforcing metal plate 12 having holes 11 and 11 penetrating in a non-contact manner is provided. Thereby, the upper case 9 made of insulating resin can be reinforced by the reinforcing metal plate 12. In addition, a pair of conductive leads 13 and 13 connected and fixed to the bases of the pair of hooking blades 3 and 3 are placed near the periphery of the lighting control circuit board 4 along the lower surface of the insulating seat 7 and both sides of the insulating arms 8 and 8. Connected. Thereby, position regulation of a pair of conductive leads 13 and 13 becomes easy. The pair of conductive leads 13 and 13 are rationalized by using the same one. In addition, an insulating base 14 that supports the lighting control circuit board 4 is provided, and an insulating wall 15 that protects the outer portions of the conductive leads 13 and 13 is formed at one end of the insulating base 14. Thereby, protection from the external force of the conductive leads 13 and 13 becomes possible. Further, the vicinity of the connection portion of the conductive leads 13 and 13 to the lighting control circuit board 4 is branched into a plurality of portions, and a straight branch portion 16 and a curved branch portion 17 exist in the branch portion. As a result, the connection portion between each conductive lead 13 and the lighting control circuit board 4 is duplicated to make the connection state perfect, and the connection state with the lighting control circuit board 4 against external force is stabilized by the curve branching portion 17. .

  The insulating seat 7 includes a movable lock pin 18 that is exposed on the upper surface of the case 5 and is urged upward so as to be engaged with an arc hole (not shown) on the lower surface of the hooking rosette 2. The release operation portion 19 acting in the direction of pushing down is passed through the insulating arm 8 and held. As a result, the insulating arm 8 can be used to hold the release operation unit 19. Further, the output connector 20 of the lighting control circuit board 4 is also passed through and held by the insulating arm 8, and similarly, the insulating arm 8 can be used for holding the output connector 20. In this adapter 6, electrical connection (connection by conductive leads 13, 13) is made from the hooking blades 3, 3 to the input side of the lighting control circuit board 4 on which high-frequency lighting circuit components are mounted in the vicinity of the base of one insulating arm 8. Since the output side of the lighting control circuit board 4 is electrically connected to the output connector 20 held on the opposite insulating arm 8, the input side and the output side are separated from the output side (high frequency lighting output side) to the input side (AC High frequency radiation noise returning to the power supply side can be reduced.

  Next, in the internal unit of the adapter of the third embodiment shown in FIG. 19, the pair of conductive leads 13, 13 connected and fixed to the bases of the pair of hooking blades 3, 3 are insulated from the lower surface of the insulating seat 7. Connected to the vicinity of the periphery of the lighting control circuit board 4 on which high-frequency lighting circuit components are mounted along the arm 8, and the insulating seat 7 and the insulating arms 8, 8 crossing the upper surface of the lighting control circuit board 4 are used as the center line. High-frequency coils 21 and 22 are arranged near the ends in the orthogonal direction. The high-frequency lighting circuit includes a DC power supply unit using a chopper circuit and a high-frequency oscillation unit using an inverter circuit. The high-frequency coil 21 is a high-frequency choke coil of the chopper circuit, and the high-frequency coil 22 is a high-frequency choke coil of the inverter circuit. Thereby, the high frequency coils 21 and 22 are separated from the conductive leads 13 and 13, and the high frequency radiation noise from the high frequency coils 21 and 22 is not easily returned to the conductive leads 13 and 13 (AC power supply side). Further, in the adapter internal unit of the third embodiment of FIG. 19, variable resistors 23 and 24 for adjustment are provided in addition to the projected portions of the insulating seat 7 and the insulating arms 8 and 8 that cross the upper surface of the lighting control circuit board 4. It is arranged. As a result, as described above, the hook blades 3 and 3, the insulating seat 7 and the insulating arms 8 and 8, and the lighting control circuit board 4, and the elements built in the adapter 6 are combined and unitized. The resistors 23 and 24 can be adjusted without being blocked by the insulating seat 7 and the insulating arms 8 and 8. Further, after assembling the insulating base 14 to the units of the hooking blades 3 and 3, the insulating seat 7 and the insulating arms 8 and 8 and the lighting control circuit board 4, the variable resistors 23 and 24 are adjusted. Of course it is good. The variable resistor 23 is for adjusting the output DC voltage of the chopper circuit, and the variable resistor 24 is for adjusting the oscillation frequency of the inverter circuit.

  Next, the adapter 6 may be provided with an optional device (human body sensor device or remote control receiver) 32. Such an adapter 6 is as shown in FIG. 14, and an adapter 6 without the optional device 32 is as shown in FIGS. In this way, each is connected to the hooking rosette 2. And the output of the adapter 6 is supplied to the lamp | ramp 26 provided in the lower surface of the main body 25 attached to the adapter 6, and a lighting fixture is comprised. Further, the heat generating component 27 such as the switching power supply IC soldered to the back surface of the lighting control circuit board 4 is radiated to the metal lower case 10 via the heat conductive and electrically insulating cushion member 28, and the cushion member 28 is It is positioned in a window frame 29 formed in a part of the insulating table 14. The lower case 10 where the lower surface of the cushion member 28 abuts is protruded 30 upward. Also, a number of longitudinal slit-shaped heat radiation holes 31 are formed on the outer peripheral surface of the lower case 10 to dissipate heat from heat-generating elements such as power semiconductor elements that constitute a high-frequency lighting circuit, and fingers for rotating the adapter 6. Increases the friction and makes it easier to rotate.

  Next, the adapter 6 shown in FIG. 14 supports the lighting control circuit board 4 which is operated by receiving power by the pair of hooking blades 3 and 3 connected to the hooking rosette 2 in the metal case 10 via the insulating base 14. The tip of a screw 33 to which an optional device (human body sensor device or remote control receiver) 32 fixed to the lower surface of the case 10 is attached to a bottomed cylindrical body 34 formed integrally with the insulating table 14. Is to be inserted. Thereby, the metal powder of the lower case 10 scraped by screwing of the screws 33 is prevented from adhering to the lighting control circuit board 4 to ensure insulation and safety.

  Next, as is easier to understand with reference to FIGS. 15 to 17, the adapter 6 in which the lighting control circuit board 4 that receives power and operates by the pair of hooking blades 3 and 3 connected to the hooking rosette 2 is built in the case 5, The adapter 6 is a lighting fixture provided with a main body 25 that is passed through and locked by a hole 35 and lights the lamp 26 through the lamp socket 36 by the output of the adapter 6, and the adapter 6 includes the case 5. A movable lock pin 18 that is exposed upward and is biased upward so as to be engaged with an arc hole (not shown) on the lower surface of the hook rosette 2 is provided, and a release that acts in a direction to push down the lock pin 18. The operation unit 19 is exposed on the side surface of the case 5, and the output connector 20 of the lighting control circuit board 4 is disposed on the side surface of the case 5 so as to be positioned below the release operation unit 19. Out a luminaire connecting the connector 37 for supplying power to the socket 36 to the output connector 20. According to this configuration, unless the connector 37 connected to the output connector 20 is removed, the release operation portion 19 cannot be substantially pushed in, so that the adapter 6 is not likely to be inadvertently detached from the hooking rosette 2 during normal use. . In addition, a frame 38 surrounding the output connector 20 is formed on the side surface of the resin upper case 5 in the adapter 6 in cooperation with the release operation portion 19 to serve as a guide for the connector 37. Further, a rib 39 having a thickness substantially equal to the thickness of the frame 38 is formed on the opposite side of the frame 38 to prevent the adapter 6 from passing through the hole 35 of the main body 25 as much as possible. The main body 25 is smoothly attached to and detached from the adapter 6 so as to be passed through with good quality.

  Next, the embodiment of the present invention will be described with reference to FIG. 11 which is easy to understand. The adapter 6 has a pair of hooking blades 3 and 3 connected to the hooking rosette 2 on the upper surface, and the lighting control circuit board 4 inside. The adapter 6 includes a built-in case 5, and the case 5 includes an upper case 9 made of resin and a lower case 10 made of metal, and a projecting piece 40 protruding from the upper end of the lower case 10 includes the upper case 9. The upper case 9 and the lower case 10 are joined together by being inserted into the slit 41 formed in 9 and caulked. Thereby, the caulking joint location of the upper case 9 and the lower case 10 is not visually recognized from below, and the appearance is improved. In addition, the upper case 9 has a mountain shape whose central portion is raised, and a concave portion 42 that extends inward from the slit 41 is formed on the slope portion, and the projecting piece 40 is caulked inward so that the projecting piece 40 is difficult to see. doing. 1 to 4, the protruding piece 40 is drawn in an inwardly bent state, but the protruding piece 40 extends in the upper end direction of the lower case 10 before the caulking process.

  Next, referring to FIGS. 14 to 18, an adapter 6 in which a lighting control circuit board 4 that receives power and operates by a pair of hooking blades 3 and 3 connected to the hooking rosette 2 is built in a case 5, and the adapter 6. A resin-made main body 25 having a hole 35 through which is passed, a locked portion 43 elastically biased in the central direction on the lower surface of the main body 25, and an operation for displacing the locked portion 43 outward. In this manner, an unlocking portion 44 that can release the locked state of the locked portion 43 and the adapter 6 and a lamp 26 that is turned on by the output of the lighting control circuit board 4 are provided. The lighting fixture which formed the rib 45 in the vertical direction above the said to-be-latched part 43 is shown. Thereby, in the resin-made main body 25, the vicinity with the to-be-latched part 43 can be reinforced, and the latching relationship with the adapter 6 can be stabilized. In addition, a cushion material 46 such as sponge resin that abuts the ceiling 1 is attached to the upper end of the rib 45 to mitigate the deterioration of the cushion material 46 due to the heat of the lamp 26.

  1 to 13, the screw 47 is screwed to the insulating seat 7 from the upper surface of the upper case 9 through the upper case 9 and the reinforcing metal plate 12. The upper end of the lock pin 18 protrudes through the reinforcing metal plate 12 and the upper case 9 to the upper surface of the upper case 9. The bases of the hooking blades 3 and 3 are bent point-symmetrically inward on the back surface of the insulating seat 7 and fixed with screws or the like, and the base ends of the conductive leads 13 and 13 are coupled to each base, and the lower ends thereof are lit. It passes through the control circuit board 4 and is soldered on its back surface. The lock pin 18 is biased upward by a spring 48, and the spring 48 is accommodated in the inner bottom portion of the insulating seat 7. When the release operating portion 19 is pressed from the outside of the insulating arm 8, the inclined portion 49 at the tip thereof pushes down the inclined portions 50 on both sides of the base portion of the lock pin 18 by orthogonal transformation, and the tip of the lock pin 18 is moved to the upper surface of the upper case 9. The lock pin 18 and the hook hole of the hook rosette 2 can be unlocked. The connector 20 is held near the lower portion of the insulating arm 8, and the output of the lighting control circuit board 4 is wired to the connector 20 via a lead wire 20a. The screws 51 and 51 are screwed to bosses 52 and 52 formed on the insulating base 14 through the lower portions of the insulating arms 8 and 8 and the lighting control circuit board 4. The insulating seat 7 is fixed to the upper case 9 with screws 47... Between the reinforcing metal plates 12, and the adapter 6 is bent by inserting the protruding piece 40 of the lower case 10 into the slit 41 of the upper case 9 and then bending it. Complete. Further, the optional device (human body sensor device or remote control receiving device) 32 of FIG. 14 locks the locking piece 53 at the upper end to the edge of the hole 10a of the lower case 10 and screws the screw 33 to the lower case 10. And fixed to the lower surface of the adapter 6. Note that a lead wire with a connector (not shown) is passed through the hole 10 b of the lower case 10 from the option device 32 and connected to a connector (not shown) of the lighting control circuit board 4.

  14 to 18, the adapter 6 receives the AC power by rotating the hooking blades 3 and 3 into circular holes (not shown) on the lower surface of the hooking rosette 2, and the adapter 6 is locked. The pin 18 is inserted and locked in the arc hole, and the adapter 6 is detented. In order to remove the adapter 6 from the hooking rosette 2, the adapter 6 can be reversely rotated and removed by pushing the locking release portion 19 and pushing down the lock pin 18. Then, when the main body 25 is pushed up against the adapter 6 attached to the hooking rosette 2 and the adapter 6 is passed through the hole 35, the locked portion 43 urged inward by the spring 54 moves backward, It protrudes in the direction and is locked to the upper surface of the adapter 6. The locked portion 43 can be removed from the adapter 6 when the locking release portion 44 is displaced outward. Next, the connector 37 at the tip of the lead wire 55 from the socket 36 is inserted into the connector 20. Further, the annular fluorescent lamp 26 is connected to the socket 36. Further, the globe 56 is attached to the main body 25 by appropriate means. In this attached state, the cushion member 46 is stretched against the ceiling 1 and the main body 25 cannot be rotated. The lamp 26 is also supported by a support tool 57 fixed to the main body 25. If a round hook rosette is installed instead of the square hook rosette 2, the height is relatively low, so the adapter 6 is positioned higher than the position shown in FIG. 43 is locked to a locking step 58 that is one step lower than the upper surface of the adapter 6 across the groove. The locked portion 43, the lock releasing portion 44, and the spring 54 are slidably held in a case 63 fixed to the lower surface of the main body 25. Moreover, the removal procedure of this lighting fixture can be performed by said reverse procedure.

The top perspective view at the time of decomposition | disassembly of the adapter which shows 1st embodiment of this invention Same bottom perspective view Top perspective view when disassembled on the opposite side Same bottom perspective view Top view of the internal unit Same perspective view Top perspective view of the insulation seat and insulation arm Same bottom perspective view Sectional view when assembling the adapter (through the release operation section 19) Sectional view (through heat conducting cushion member 28) (A) Cross-sectional view orthogonal to FIG. 9, (B) Enlarged cross-sectional view of the same part (A) External top perspective view of adapter, (B) Same bottom perspective view (A) External top perspective view opposite to FIG. 12, (B) Bottom perspective view Sectional view of a lighting fixture using the adapter Sectional drawing (through the to-be-latched part 43) of the lighting fixture which shows 2nd embodiment of this invention Sectional view (through output connector 20) Bottom view of the main body when the glove is removed Top view of the main unit only The top view of the internal unit of the adapter which shows 3rd embodiment of this invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Ceiling 2 Catch rosette 3 Catch blade 4 Lighting control circuit board 5 Case 6 Adapter 7 Insulation seat 8 Insulation arm 9 Upper case 10 Lower case 11 Hole 12 Reinforcement metal plate 13 Conductive lead 14 Insulation base 15 Insulation wall 16 Linear branch part 17 Curve Branch part 18 Lock pin 19 Release operation part 20 Output connector 21, 22 High frequency coil 23, 24 Variable resistor 25 Main body 26 Lamp 27 Heating part 28 Cushion member 29 Window frame 30 Projection part 31 Heat radiation hole 32 Optional device ( (Human body sensor device and remote control receiver)
33 Screw 34 Bottomed cylinder 35 Hole 36 Socket 37 Connector 38 Frame 39 Rib 40 Projection piece 41 Slit 42 Recess 43 Locked portion 44 Unlocking portion 45 Rib 46 Cushion material 47 Screw 48 Spring 51 Screw 52 Boss 53 Locking Fragment

Claims (3)

  An adapter including a case in which a pair of hooking blades connected to a hooking rosette are provided on the upper surface and a lighting control circuit board is built therein, the case includes a resin upper case and a metal lower case, An adapter in which the upper case and the lower case are coupled by inserting and caulking a protruding piece protruding from the upper end of the lower case into a slit formed in the upper case.   The adapter according to claim 1, wherein the upper case has a mountain shape whose central portion is high, a concave portion that extends inward from the slit is formed on the slope portion, and the protruding piece is caulked inward.   The lighting fixture by which the adapter of Claim 1 or 2 is connected to a hooking rosette, and the output of the said adapter is supplied to the lamp | ramp provided in the lower surface of the main body attached to the said adapter.

Images