JP6924947B2 - Lighting device - Google Patents

Description

The present invention relates to the field of lighting technology, and particularly to a lighting device which is easy to assemble and has high assembly efficiency.

Lighting devices are widely used in daily life, and as people's living standards improve, the types of lighting devices are increasing.

A conventional lighting device (for example, Patent Document 1) includes a power supply circuit board and a pin (pin needle), and the power supply circuit board and the pin are usually connected by a conducting wire, and the conducting wire drawn from the power supply circuit board is usually used. , Must be manually wound around the pin, and then the wire and pin are welded and connected. Such a mounting method is difficult to work, has a large number of steps, and has a high manufacturing cost.

Further, the conventional lighting device (for example, Patent Document 1) includes many other members such as a mounting frame, a power supply cover plate, a light source substrate, a mounting holder, a heat sink, a heat conductive grease, silica gel, a light cover, and a plurality of other members. Since it has tightening screws and the number of members is large, the cost is high.

Japanese Unexamined Patent Publication No. 2012-142215

In view of the above drawbacks in the prior art, it is an object of the present invention to provide a low cost lighting device.

The lighting device provided by the present invention includes a mounting frame, a pin, and a power supply circuit board, the mounting frame includes a first cylinder, a second cylinder, and a connection plate, and the first cylinder and the second cylinder are provided. Is connected by a connecting plate, pins extend along the axial direction of the mounting frame and are provided on the connecting plate, a connecting hole is provided on the power supply circuit board, and the pin is inserted into the connecting hole. The pin and the circuit on the power supply circuit board are electrically connected.

In at least one embodiment, a female terminal is provided at the position of the connecting hole, and the pin is connected to a circuit on the power supply circuit board by insertion fitting with the female terminal, or a conductive layer is provided on the inner wall of the connecting hole. The pins are in direct contact with the conductive layer and are connected to the circuits on the power supply circuit board.

In at least one embodiment, the pin and the circuit on the substrate surface of the power supply circuit board are directly welded and connected, or a conductive layer is provided on the inner wall of the connecting hole and the pin is welded to the conductive layer to be connected to the power supply circuit. It is connected to the circuit on the board.

In at least one embodiment, the illuminator further comprises a mounting holder, the mounting holder is connected to a mounting frame, and the mounting holder is provided perpendicular to the axial direction.

In at least one embodiment, a first hook mechanism is provided on the mounting holder, and the mounting holder is engaged and connected to the power supply circuit board by the first hook mechanism.

In at least one embodiment, a first position restricting block is provided on the mounting holder, the first position restricting block extends along the axial direction, and the position of the power supply circuit board at least in the axial direction. Used to regulate.

In at least one embodiment, a second hook mechanism is provided on the mounting frame, and the mounting frame is engaged and connected to the power supply circuit board by the second hook mechanism.

In at least one embodiment, a second position restricting block is provided on the mounting frame, and the second position restricting block is provided so as to extend along the axial direction of the power supply circuit board at least in the axial direction. Used to regulate position.

In at least one embodiment, the second hook mechanism and / or the second position limiting block is integrally molded with the mounting frame.

In at least one embodiment, the lighting device further comprises a light source substrate, the connection plate portion is provided with a second pin extending along the axial direction of the mounting frame, and a second connection is provided on the power supply circuit board. A hole is provided, a third connecting hole is provided on the light source board, the second pin is inserted through the second connecting hole, and the second pin and the circuit on the power supply circuit board are electrically connected by solder connection. , The second pin is inserted into the third connecting hole, and the second pin and the circuit on the light source substrate are electrically connected.

In at least one embodiment, the illuminator further comprises a light source substrate, the light source substrate is engaged and connected to the mounting frame, and / or pins are integrally molded with the mounting frame.

According to the present invention, by providing a pin on the connection plate portion of the mounting frame and providing a connecting hole on the power supply circuit board, the pin is inserted into the connecting hole, and then the circuit and electricity on the power supply circuit board are provided. The lighting device can be connected to each other, the mounting process of the lighting device can be simplified, and the work can be simplified, whereby the cost of the lighting device can be reduced.

The three-dimensional structure diagram in 1st Embodiment of the lighting apparatus of this invention is shown. The structural exploded view of FIG. 1 is shown. A cross-sectional view at a certain position in FIG. 1 is shown. A cross-sectional view taken at another position in FIG. 1 is shown. The structural exploded view in the 2nd Embodiment of the lighting apparatus of this invention is shown. The cross-sectional view in the 2nd Embodiment of the lighting apparatus of this invention is shown. The structural exploded view in the 3rd Embodiment of the lighting apparatus of this invention is shown.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. It should be noted that these specific explanations are for teaching only those skilled in the art how to carry out the present invention, and are not intended to list all the feasible embodiments of the present invention. It should also be understood that it is not intended to limit the scope of protection of the present invention.

The descriptions indicating the two directions "upper" and "lower" described in the present invention are all from the viewpoint based on FIG.
(First Embodiment)

Hereinafter, the first embodiment of the lighting device according to the present invention will be described in detail with reference to FIGS. 1 to 4.

In the present embodiment, as shown in FIGS. 1 and 2, the lighting device according to the present invention includes a mounting frame 1, a power supply circuit board 2, a mounting holder 3, a light source board 4, a light cover 5, a pin 6, and a fastening member 7. Be prepared.

In the present embodiment, as shown in FIGS. 2 and 3, the mounting frame 1 has a substantially stepped tubular shape as a whole, and includes a first tubular portion 11, a second tubular portion 12, and a connecting plate portion 13. The diameter of the first cylinder portion 11 is larger than the diameter of the second cylinder portion 12, and the lower end of the first cylinder portion 11 is connected to the upper end of the second cylinder portion 12 by the connecting plate portion 13.

A first engagement hole 111 and a second engagement hole 112 are provided on the inner wall of the first cylinder portion 11. The first engagement hole 111 and the second engagement hole 112 are provided at intervals in the axial direction of the first tubular portion 11. The first engagement hole 111 is for anchoring the light source substrate 4, and the second engagement hole 112 is for anchoring the light cover 5. Here, the first engagement hole 111 and the second engagement hole 112 can all be, for example, three, and the three first engagement holes 111 and the three second engagement holes 112 are all first. It can be provided at uniform intervals along the circumferential direction of the tubular portion 11.

As shown in FIG. 3, the pin 6 is provided so as to penetrate the connection plate portion 13 along the axial direction of the mounting frame 1, and the pin 6 and the circuit in the power supply circuit board 2 (conductive layer on the power supply circuit board 2). (For example, a copper layer is coated to form a circuit) is connected. Here, in the present embodiment, two pins 6 are provided, and the two pins 6 are provided at intervals of, for example, about 180 degrees in the circumferential direction of the mounting frame 1.

In the present embodiment, as shown in FIG. 2, the power supply circuit board 2 includes a horizontal portion 21 and a vertical portion 22. The horizontal portion 21 forming a substantially circular shape as a whole is provided perpendicular to the axial direction of the mounting frame 1, and the vertical portion 22 forming a substantially rectangular shape as a whole extends downward from the lower surface of the horizontal portion 21 perpendicularly to the horizontal portion 21. Is provided. Here, the horizontal portion 21 is located in the first tubular space of the first tubular portion 11, and the vertical portion 22 is from the first tubular space of the first tubular portion 11 to the second tubular space of the second tubular portion 12. It extends to the inside. By providing the second cylinder portion 12, the power supply circuit board 2 can be provided with the vertical portion 22, and more circuit structures can be arranged.

As shown in FIGS. 2 and 3, a female terminal 211 and a connecting hole 212 are provided on the horizontal portion 21. The female terminal 211 is provided at the position of the connecting hole 212.

The pin 6 (that is, the pin needle) is inserted into the connecting hole 212, the upper end of the pin 6 is inserted into the female terminal 211, and is further connected to the circuit in the power supply circuit board 2. Here, two female terminals 211 are provided, and the two female terminals 211 are provided at intervals of, for example, about 180 degrees in the circumferential direction of the horizontal portion 21. In this way, when mounting the power supply circuit board 2, the pin 6 can be directly connected to the circuit in the power supply circuit board 2, and there is no need to perform other additional work such as winding or welding. The assembly process of the lighting device can be simplified, the work can be simplified, and the manufacturing cost can be reduced.

As shown in FIG. 4, two conductors 213 are provided above the horizontal portion 21, and the two conductors 213 are connected to the light source substrate 4 and supply electric power to the light source on the light source substrate 4. Used for

In the present embodiment, as shown in FIGS. 2 and 3, the mounting holder 3 having a substantially circular shape as a whole is formed by the power supply circuit board 2 and the mounting frame 1 so as to be perpendicular to the axial direction of the mounting frame 1. It is provided between them.

As shown in FIGS. 2 and 3, the mounting holder 3 includes a holder base 31, a first hook mechanism 32, and a first position restricting block 33.

The holder base 31 has a substantially circular shape as a whole, and a pin hole 311 and a fastening hole 312 are provided on the holder base 31. The pin hole 311 is for the pin 6 to pass through, and the fastening hole 312 is for providing the fastening member 7 (for example, a screw), whereby the holder base 31 is placed on the mounting frame 1 by the fastening member 7. It can be fixed and mounted.

In the present embodiment, the pin 6 has a radial protrusion 61, the radial protrusion 61 is located between the holder base 31 and the mounting frame 1 in the axial direction of the mounting frame 1, and the holder base 31 is The radial protrusion 61 is pressed, and the pin 6 is further fixed on the mounting frame 1.

As shown in FIGS. 2 and 4, the first hook mechanism 32 includes a first hook 321 and the first hook 321 extends upward from the upper surface of the holder base 31 along the axial direction of the mounting frame 1. A V-shaped engaging portion 3211 is formed at the upper end of the first hook 321. Here, the number of the first hooks 321 may be three, for example, and the three first hooks 321 are provided at uniform intervals along the circumferential direction of the mounting holder 3. The mounting holder 3 is engaged and connected to the power supply circuit board 2 by the first hook mechanism 32, and the V-shaped engaging portion 3211 is attached to the upper surface of the power supply circuit board 2. The engagement mechanism of the power supply circuit board 2 is not limited to this. As will be described in detail later, the second hook mechanism 104 and the second position restricting block 105 may be provided on the mounting frame 1 and integrally molded, and the power supply circuit board 2 may be engaged and connected.

As shown in FIG. 2, the first position regulating block 33 is provided extending upward from the upper surface of the holder base 31 along the axial direction of the mounting frame 1, and is provided at the upper end of the first position regulating block 33. The axial position regulating unit 331 and the radial position regulating unit 332 are formed, and the first position regulating surface 3311 of the axial position regulating unit 331 is provided perpendicular to the axial direction of the mounting frame 1, and the radial position regulating unit 331 is provided. The second position regulation surface 3321 of the 332 is provided so as to extend along the axial direction of the mounting frame 1. Here, the first position regulation surface 3311 comes into contact with the lower surface of the power supply circuit board 2 to regulate the position of the power supply circuit board 2 in the axial direction of the mounting frame 1, and the second position regulation surface 3321 is the power supply circuit board. In contact with the side wall surface of 2, the position of the power supply circuit board 2 is regulated in the radial direction of the mounting frame 1.

In the present embodiment, the number of the first position restricting blocks 33 may be three, for example, and the three first position restricting blocks 33 are provided at uniform intervals along the circumferential direction of the mounting holder 3.

In the present embodiment, as shown in FIG. 3, the light source substrate 4 having a substantially circular shape as a whole is provided above the power supply circuit board 2 so as to be perpendicular to the axial direction of the mounting frame 1. An LED light is provided on the light source substrate 4.

As shown in FIGS. 2 and 4, an engagement projection 41 is provided on the light source substrate 4, and the engagement projection 41 is provided on the light source substrate 4 along the radial direction of the light source substrate 4 from the side wall surface of the light source substrate 4. The light source substrate 4 is provided so as to extend away from the first cylinder portion 11 by the engagement fitting of the engagement projection 41 and the first engagement hole 111. Here, the number of the engagement projections 41 may be three, for example, and the three engagement projections 41 may be provided at uniform intervals along the circumferential direction of the light source substrate 4. In this way, since the light source substrate 4 is directly engaged and connected to the mounting frame 1, the area of the substrate surface of the light source substrate 4 can be made as large as possible as compared with the prior art, and the conductive layer on the light source substrate 4 can be made as large as possible. It is advantageous to increase the design area of the above and to improve the heat dissipation performance.

In the present embodiment, as shown in FIG. 4, two more conductive connection portions 42 are provided on the light source substrate 4, and the conductor 213 passes through the light source substrate 4 upward and then the conductive connection portion 42. And further, power can be supplied to the LED light on the light source substrate 4. An engaging groove may be provided on the conductive connecting portion 42, and the connection can be realized by bending the conducting wire 213 and engaging the engaging groove.

In the present embodiment, as shown in FIGS. 2 and 4, a third hook mechanism 51 is provided on the light cover 5, the third hook mechanism 51 includes a third hook 511, and the third hook 511 The light cover 5 is provided at the lower part of the light cover 5, and the light cover 5 is engaged and connected to the first cylinder portion 11 by the engagement fitting between the third hook 511 and the second engagement hole 112. Here, the number of the third hooks 511 may be three, for example, and the three third hooks 511 may be provided at uniform intervals along the circumferential direction of the light cover 5.

In the present embodiment, an elastic gasket (not shown) may be provided between the light cover 5 and the first cylinder portion 11. By fixing the light cover 5 in close contact with the first cylinder portion 11 in this way, the sealing performance of the lighting device can be guaranteed.
(Second Embodiment)

Hereinafter, a second embodiment of the lighting device according to the present invention will be described in detail with reference to FIGS. 5 and 6.

In the present embodiment, as shown in FIGS. 5 and 6, the lighting device according to the present invention includes a mounting frame 10, a power supply circuit board 20, a light source board 30, a light cover 40, and a pin 50. Here, the structure and mounting method of the power supply circuit board 20, the light source board 30, and the light cover 40 are basically the same as the structure and mounting method of the power supply circuit board 2, the light source board 4, and the light cover 5 in the first embodiment. ..

The present embodiment is mainly different from the first embodiment in that the mounting holder and the fastening member are not provided, and the fastening mechanism and the second position regulating block are directly provided on the mounting frame 10.

In the present embodiment, as shown in FIG. 5, the mounting frame 10 includes a first cylinder portion 101, a second cylinder portion 102, and a connection plate portion 103. The diameter of the first cylinder portion 101 is larger than the diameter of the second cylinder portion 102, and the lower end of the first cylinder portion 101 is connected to the upper end of the second cylinder portion 102 by the connecting plate portion 103.

In the present embodiment, the second hook mechanism 104 and the second position restricting block 105 are integrally molded and provided on the mounting frame 10. Both the second hook mechanism 104 and the second position restricting block 105 are provided so as to extend upward from the upper surface of the connecting plate portion 103 along the axial direction of the mounting frame 10. Here, the second hook mechanism 104 can have, for example, three hooks, the second position restricting block 105 can have, for example, three, and the three hooks and the three second position restricting blocks 105 are all mounted. It can be provided at uniform intervals along the circumferential direction of the frame body 10.

Similar to the first embodiment, the mounting frame 10 is engagedly connected to the power supply circuit board 20 by the second hook mechanism 104, and the second position regulation block 105 regulates the axial and radial positions of the power supply circuit board 20. do.

In this embodiment, the pin 50 can be integrally molded with the mounting frame 10. Similarly, the pin 50 can be connected to the circuit on the power supply circuit board 20 by inserting and fitting the pin 50 with the female terminal provided on the power supply circuit board 20.
(Third Embodiment)

Hereinafter, a third embodiment of the lighting device according to the present invention will be described in detail with reference to FIG. 7.

In the present embodiment, as shown in FIG. 7, the lighting device according to the present invention includes a mounting frame 10, a power supply circuit board 20, a light source board 30, a light cover 40, a first pin 50, and a second pin 60. Here, the structure and mounting method of the power supply circuit board 20, the light source board 30, and the light cover 40 are basically the same as the structure and mounting method of the power supply circuit board 2, the light source board 4, and the light cover 5 in the first embodiment. .. The mounting frame 10 includes a first cylinder portion 101, a second cylinder portion 102, and a connection plate portion 103, as in the case of the second embodiment.

Compared with the first embodiment, the present embodiment is mainly different in that the lead wire 213 for supplying electric power to the light source is not provided, and extends in the axial direction of the mounting frame 10 on the connection plate 103, and is a power supply circuit board. A second pin 60 for electrically connecting the 20 and the light source substrate 30 is provided.

In the present embodiment, as shown in FIG. 7, the second pin 60 is provided with a radial protrusion 601 on the connection plate 103, and extends from the tip thereof to the light source substrate 30 along the axial direction of the mounting frame 10. It is equipped with an existing conductive column. The power supply circuit board 20 and the light source board 30 are provided with connecting holes 201 and 301 through which the conductive columns of the second pin 60 are inserted, respectively. Here, in the present embodiment, there are two second pins 60, and the two pins 60 are provided at intervals of, for example, about 180 degrees in the circumferential direction of the mounting frame 10. A conductive layer is provided on the inner wall of the connecting hole 201 in the power supply circuit board 20, and is solder-bonded or welded to the conductive column of the second pin 60. A second female terminal 302 is provided at the position of the connecting hole 301 on the light source substrate 30, and the second pin 60 is inserted. As a result, the power supply circuit board 20 and the light source board 30 are electrically connected.

The conductive column of the second pin 60 is inserted into the connecting hole 301, and the tip thereof is inserted into the second female terminal 302 to be electrically connected to the circuit in the light source substrate 30. Here, two female terminals 302 are provided, and the two female terminals 302 are provided at intervals of, for example, about 180 degrees in the circumferential direction of the mounting frame body 10. In this way, when the power supply circuit board 20 and the light source board 30 are mounted, the second pin 60 can be directly connected to the circuit in the light source board 30, and the conductor can be bent or conductive as compared with the case where the conductor is used. Since there is no need to perform other additional work such as engaging with the connection part, the assembly process of the lighting device can be simplified, the work can be simplified, and the manufacturing cost can be suppressed.

The radial protrusion 601 of the second pin 60 extends from the connection plate 103 to a position in contact with the power supply circuit board 20. With this configuration, when the second pin 60 is passed through the connecting hole 302 of the power supply circuit board 20, the power supply circuit board 20 can be supported at the tip position of the radial protrusion 601 and positioning becomes easy. The assembly process of the lighting device can be simplified.

In the present embodiment, by adopting the above-mentioned technical means, the number of members of the lighting device can be further reduced, the mounting process of the lighting device can be further reduced, the work can be simplified, and the cost can be reduced.

By adopting the above technical means, the lighting device based on the present invention has at least the following advantages.

(1) In the lighting device of the present invention, a pin is provided on the connection plate portion of the mounting frame, and a connecting hole is provided on the power supply circuit board. It can be electrically connected to the circuit of the lighting device, simplifying the mounting process of the lighting device, simplifying the work, and reducing the cost of the lighting device.

(2) In the lighting device of the present invention, the area of the substrate surface of the light source substrate can be increased by directly engaging and connecting the light source substrate to the mounting frame, and the design area of the conductive layer on the light source substrate can be increased. At the same time, the heat dissipation performance can be improved.

(3) In the lighting device of the present invention, the power supply circuit board can be quickly mounted by providing the position control block, and collision between the power supply circuit board and the mounting frame can be prevented.

(4) In the lighting device of the present invention, since the hook mechanism and the second position regulating block are integrally molded and provided on the mounting frame, the mounting process of the lighting device can be greatly simplified and the work is further simplified. And the cost is even lower.

(5) In the lighting device of the present invention, since the second pin is provided on the mounting frame so that the power supply circuit board and the light source board can be electrically connected, the mounting process is further increased for the power supply connection of the light source board. It can be greatly simplified.

In the embodiment for carrying out the above invention, the technical means of the present invention has been described in detail, but the following supplementary description will be further described.

(1) In the above embodiment, it has been described that a female terminal is provided at the position of a connecting hole on the power supply circuit board, and the pin is connected to the circuit on the power supply circuit board by inserting and fitting with the female terminal. The present invention is not limited to this, and it is not necessary to provide a female terminal on the power supply circuit board. After providing a conductive layer (for example, a copper layer) on the inner wall of the connecting hole and inserting the pin into the connecting hole, The pin may be connected to the circuit on the power supply circuit board by directly contacting the conductive layer. Further, the pin may be directly welded and connected to the circuit on the substrate surface of the power supply circuit board (no need for a female terminal), and when the conductive layer is provided on the inner wall of the connecting hole, the pin is welded to the conductive layer. By being connected, it may be connected to a circuit on the power supply circuit board. Here, the welding method can be wave soldering, reflow soldering, or other methods.

(2) In the above embodiment, it has been described that the two pins are provided with an interval of about 180 degrees in the circumferential direction of the horizontal portion, but the present invention is not limited to this, and the two pins are provided in the horizontal portion. It may be provided at intervals of other angles in the circumferential direction.

(3) In the above embodiment, the number of the first engagement hole, the second engagement hole, the first hook, the engagement protrusion, the second hook, and the position restricting block has been described as three, but the present invention has been described. Is not limited to this, and the number of the first engagement hole, the second engagement hole, the first hook, the engagement protrusion, the second hook, and the position restricting block may be provided according to the actual demand. It may be two, four or any other number.

(4) In the second embodiment, it has been described that both the hook mechanism and the second position restricting block are integrally molded with the mounting frame, but the present invention is not limited to this, and the hook mechanism and the second position are not limited to this. Any of the regulation blocks may be provided (for example, anchored) to be detachable from the mounting frame.

(5) In the third embodiment, it has been explained that the second pin and the light source board are inserted by the female terminals. The connection may be realized. Further, although it has been explained that the radial protrusion 1 of the second pin extends to a position in contact with the power supply circuit board in the axial direction of the mounting frame, it extends halfway between the connection plate and the power supply circuit board. May be good.

(6) The positional relationship between the members has been described above using the vertical relationship in the figure, but it is understood that this is only for convenience of explaining the relative positional relationship between the members. sea bream. The form in the figure does not limit the actual mounting form of the lighting device of the present invention. For example, as an example, the luminaire may be mounted with the light cover facing down, and as another example, the luminaire may be mounted with the light cover approximately vertical, or relative to the vertical direction. It can be mounted so that it is tilted.

1 Mounting frame, 11 1st cylinder, 111 1st anchoring hole, 112 2nd anchoring hole, 12 2nd cylinder, 13 Connection plate,
2 Power supply circuit board, 21 horizontal part, 211 female terminal, 212 connection hole, 213 lead wire, 22 vertical part,
3 mounting holder, 31 holder base, 311 pin hole, 312 fastening hole, 32 1st hook mechanism, 321 1st hook, 3211 V-shaped engagement part, 33 1st position regulation block, 331 axial position regulation part, 3311th 1 position regulation surface, 332 radial position regulation part, 3321 second position regulation surface,
4 Light source board, 41 Interlocking protrusions, 42 Conductive connections,
5 Light cover, 51 3rd hook mechanism, 511 3rd hook,
6 pins, 61 radial protrusions, 7 fastening members,
10 Mounting frame, 101 1st cylinder, 102 2nd cylinder, 103 Connection plate, 104 2nd hook mechanism, 105 2nd position regulation block, 20 Power supply circuit board, 30 Light source board, 40 Light cover, 50 pins (1st pin), 60 2nd pin, 601 radial protrusion.

Claims (11)

Equipped with mounting frame, pins and power circuit board
The mounting frame body includes a first cylinder portion, a second cylinder portion, and a connection plate portion, and the first cylinder portion and the second cylinder portion are connected by the connection plate portion.
The pin extends along the axial direction of the mounting frame and is provided on the connection plate portion.
A lighting device characterized in that a connecting hole is provided on the power supply circuit board, the pin is inserted into the connecting hole, and the pin and the circuit on the power supply circuit board are electrically connected. A female terminal is provided at the position of the connecting hole, and the pin is connected to a circuit on the power supply circuit board by inserting and fitting with the female terminal, or a conductive layer is provided on the inner wall of the connecting hole. The lighting device according to claim 1, wherein the pin is connected to a circuit on the power supply circuit board by directly contacting the conductive layer. The pin and the circuit on the substrate surface of the power supply circuit board are directly welded and connected, or a conductive layer is provided on the inner wall of the connecting hole, and the pin is welded to the conductive layer to form the power supply circuit board. The lighting device according to claim 1, wherein the lighting device is connected to the above circuit. The lighting device further comprises a mounting holder, the mounting holder is connected to the mounting frame, and the mounting holder is provided perpendicular to the axial direction, according to any one of claims 1 to 3. Lighting equipment. The fourth aspect of claim 4, wherein a first hook mechanism is provided on the mounting holder, and the mounting holder is engaged with and connected to the power supply circuit board by the first hook mechanism. Lighting device. A first position regulating block is provided on the mounting holder, and the first position regulating block is provided extending along the axial direction to regulate the position of the power supply circuit board at least in the axial direction. The lighting device according to claim 4, wherein the lighting device is provided. Claims 1 to 1, wherein a second hook mechanism is provided on the mounting frame, and the mounting frame is engaged with and connected to the power supply circuit board by the second hook mechanism. The lighting device according to any one of 3. A second position regulation block is provided on the mounting frame, and the second position regulation block extends along the axial direction to position the power supply circuit board at least in the axial direction. The lighting device according to claim 7, wherein the lighting device is regulated. The lighting device according to claim 8, wherein the third hook mechanism and / or the second position restricting block is integrally molded with the mounting frame. The illuminator further comprises a light source substrate.
The connection plate portion is provided with a second pin extending along the axial direction of the mounting frame.
A second connecting hole is provided on the power supply circuit board, and a third connecting hole is provided on the light source board.
The second pin is inserted through the second connecting hole, and the second pin and the circuit on the power supply circuit board are electrically connected.
The lighting device according to any one of claims 1 to 3, wherein the second pin is inserted into the third connecting hole, and the second pin and a circuit on the light source substrate are electrically connected. .. The illuminating device further comprises a light source substrate, the light source substrate is engaged and connected to the mounting frame, and / or the pins are integrally molded with the mounting frame. The lighting device according to any one of 1 to 3.

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