Infrared induction fireproof down lamp

Abstract

The utility model relates to infrared induction down lamp structure field especially infrared induction fireproof down lamp, including lamp body subassembly and face ring, the end face protruding of face ring to lamp body subassembly forms the lamp pin electric connection with induction module, the lamp pin is inserted with the one end of waist type hole alignment, rotates face ring and lets the lamp pin move along the length direction of waist type hole and continuously extrude the conduction of conductive elastic sheet and open induction module, the lamp pin moves to the other end of waist type hole and fixed lamp body subassembly with face ring, the utility model discloses the present infrared induction down lamp is fixed on the induction face ring subassembly through the buckle, and the spring needle electricity is taken in combination, but this mode exists the problem that the part processing cost increases, and the reliability of spring needle electricity taking is not high, the utility model discloses the present infrared induction down lamp is fixed on the induction face ring subassembly through the buckle, and the spring needle electricity is taken in combination, but this mode exists the problem that the part processing cost increases, and the reliability of spring needle electricity taking is not high, simultaneously still needs to weld support to install spring clamping head fixed wire, but this mode exists the processing technics complex, and the problem that production difficulty and cost increase.

Description

Technical Field

[0001] This utility model relates to the field of infrared sensor downlight structure, and in particular to an infrared sensor fireproof downlight. Background Technology

[0002] Infrared sensor downlights are a practical and popular intelligent lighting product that integrates lighting fixtures and passive infrared sensors. They can automatically sense human activity and control the light to turn on and off, achieving advantages such as intelligence and convenience, energy saving, security and anti-theft, extended lamp life, and wide applicability.

[0003] The existing infrared sensor downlight uses a snap-fit ​​method to fix the sensor ring assembly and a spring pin to draw power. However, this method increases the cost of parts processing and has low reliability in drawing power from the spring pin. In addition, a bracket needs to be welded to install the spring clamp head to fix the wire, but this method has problems with complex processing technology, increased production difficulty and cost.

[0004] Therefore, this utility model patent proposes an infrared sensing fireproof downlight. Utility Model Content

[0005] The utility model patent provides an infrared sensor fireproof downlight, which mainly solves the problem that existing infrared sensor downlights use a snap-fit ​​method to fix the sensor ring assembly and combine it with a spring pin to draw power. However, this method has the problems of increased parts processing costs and low reliability of spring pin power drawing. At the same time, it is also necessary to weld a bracket to install a spring clamp head to fix the wire, but this method has the problems of complex processing technology, increased production difficulty and cost.

[0006] This utility model patent proposes an infrared sensing fireproof downlight, including: The lamp body assembly has a light-emitting surface on one end, and a waist-shaped hole is formed on the light-emitting surface; a conductive spring sheet that is electrically connected to an external power source is formed inside the waist-shaped hole. A face ring covers the light-emitting surface of the lamp body assembly, and a sensing module is provided on the face ring; a lamp foot that is electrically connected to the sensing module is formed on the end face of the face ring facing the lamp body assembly. The lamp foot is aligned and inserted into one end of the waist-shaped hole. The face ring is rotated to move the lamp foot along the length of the waist-shaped hole and continuously press the conductive spring to conduct the sensing module. When the lamp foot moves to the other end of the waist-shaped hole, the lamp body assembly and the face ring are fixed.

[0007] In one embodiment, the conductive spring partially covers the waist-shaped hole, and the conductive spring has a locking position that is aligned with the other end of the waist-shaped hole; the conductive spring is inclined upward from the end aligned with one end of the waist-shaped hole toward the locking position. The lamp base is inserted into one end of the waist-shaped hole. As it moves along the length of the waist-shaped hole, the pressure on the conductive spring gradually increases until the lamp base falls into the locking position and is fixed to the other end of the waist-shaped hole.

[0008] In one embodiment, the face ring includes: The back cover has a ring-shaped structure, and the lamp base protrusion is formed on the rear end face of the back cover; The sensing PCBA assembly is arranged in a ring and stacked on the front end face of the rear cover; the sensing PCBA assembly has metal pins that are connected to the lamp base for conduction, and also includes the sensing module; The front cover is detachably connected to the rear cover and clamps and fixes the sensing PCBA assembly; the front cover has a through hole for the sensing module to sense external signals.

[0009] In one embodiment, a transparent sheet is provided at the center of the front cover to allow light from the lamp assembly to pass through.

[0010] In one embodiment, it further includes: The first waterproof component is interference-fitted between the rear cover and the front cover; The second waterproof component is interference-fitted between the sensing module and the through hole of the front cover.

[0011] In one embodiment, the lamp body assembly includes: The housing has a through hole for the power cord to pass through; The fastener is fixed to the rear end face of the housing and engages with the external fastener for fixation; A light source assembly is built into the housing and is positioned facing the face ring; the light source assembly is electrically connected to the power line, and the conductive spring is disposed on the end face of the light source assembly facing the face ring; The inner cover is detachably connected to the housing and has the waist-shaped hole formed thereon.

[0012] In one embodiment, the housing has a protrusion forming a wire-passing groove, and one end of the wire-passing groove is connected to the wire-passing hole; the wire-passing groove is a linear arched protrusion; The power cord moves along the length of the cable through the other end of the cable channel and enters the housing through the cable hole.

[0013] In one embodiment, the fastener includes: The bracket partially covers the cable tray and is fixed to the rear end face of the housing; There are two spring clips, and one end of each spring clip is pivotally connected to the bracket; the other end of each spring clip is engaged and fixed with the external buckle. When the spring clip rotates to engage with the external buckle, one end of the spring clip drives the bracket to press down on the wire groove, thus preventing the power cord from being pulled.

[0014] In one embodiment, the light source assembly includes: A heat sink is disposed against the inner top surface of the housing; A light source board is stacked on the free end face of the heat sink and is electrically connected to the power line; An adapter PCB board is electrically connected to the light source board, and the conductive spring protrusion is disposed on the lower end face of the adapter PCB board; A lens is disposed through the inner cover, and one end of the lens abuts against the light source plate.

[0015] In one embodiment, it further includes: The third waterproof component is interference-fitted between the lamp body assembly and the face ring.

[0016] As can be seen from the above, the following beneficial effects can be obtained by applying the technical solution provided by this utility model patent: First, the downlight structure proposed in this utility model achieves the conduction of the sensing module through the contact between the lamp foot of the face ring and the conductive spring on the lamp body assembly, ensuring the reliability of power supply. At the same time, the setting of the waist-shaped hole, the conductive spring, and the lamp foot enables rotational fastening, which simplifies the assembly process of the downlight, reduces the assembly difficulty, and ensures structural stability. Secondly, the downlight structure proposed in this utility model uses the locking and inclined surface of the conductive spring sheet to gradually deepen the compression of the conductive spring sheet during the process of the lamp foot joining with the waist-shaped hole, and when it falls into the locking position, the elasticity of the conductive spring sheet keeps the lamp foot and the waist-shaped hole in a fixed position, which further improves the structural tightness of the downlight in the assembled state. Third, the sensing PCBA component on the upper ring of the downlight structure proposed in this utility model is inserted with metal pins and lamp feet in alignment, so that the lamp feet act as conductive components, which expands the contact area for the sensing module to draw power and further ensures the reliability of the lamp feet to draw power. Fourth, the downlight structure proposed in this utility model fills the gaps in the modular structure by setting the first waterproof component, the second waterproof component and the third waterproof component, thereby improving the waterproof performance of the downlight structure, making the downlight structure suitable for a wider range of installation environments, and increasing the service life of the downlight. Fifth, the downlight structure proposed in this utility model uses a bracket and a wire channel, and the rotation of the spring clip to compress the wire channel, ensuring the fixed installation of the power cord in the wire channel and preventing the power cord from being pulled. The structure is relatively simple and the production difficulty is reduced. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a partial structural diagram of the downlight in an embodiment of this utility model; Figure 2 This is a partial structural diagram of the downlight in an embodiment of this utility model; Figure 3 This is a schematic diagram of the initial assembly and the fastening and fixing of the downlight in this embodiment of the utility model; Figure 4 This is an exploded view of the face ring of the downlight in an embodiment of this utility model; Figure 5 This is an exploded view of the lamp body assembly of the downlight in this embodiment of the present invention.

[0019] Icons: 10 Lamp body assembly; 11 Oval hole; 12 Conductive spring; 13 Housing; 131 Wire channel; 14 Fixing component; 141 Bracket; 142 Spring clip; 15 Light source assembly; 151 Heat sink; 152 Light source board; 153 Adapter PCB board; 154 Lens; 16 Inner cover; 121 Locking slot; 20 Face ring; 21 Sensor module; 22 Lamp foot; 23 Rear cover; 24 Sensor PCBA assembly; 25 Front cover; 26 Metal pin; 31 First waterproof component; 32 Second waterproof component; 33 Third waterproof component. Detailed Implementation

[0020] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0021] Existing infrared sensor downlights use clips to fix the sensor ring assembly and combine it with spring pins for power. However, this method increases the cost of parts processing and has low reliability of power generation from spring pins. In addition, a bracket needs to be welded to install the spring clamp head to fix the wire, but this method has problems with complex processing technology, increased production difficulty and cost.

[0022] like Figure 1 and Figure 2As shown, in order to solve the above problems, this embodiment proposes an infrared sensing fireproof downlight, including a lamp body assembly 10 and a face ring 20; one end face of the lamp body assembly 10 is a light-emitting surface, and an oblong hole 11 is formed on the light-emitting surface; a conductive spring piece 12 electrically connected to an external power source is formed inside the oblong hole 11; the face ring 20 covers the light-emitting surface of the lamp body assembly 10, and a sensing module 21 is provided on the face ring 20; a lamp foot 22 electrically connected to the sensing module 21 is formed on the end face of the face ring 20 facing the lamp body assembly 10; the lamp foot 22 is aligned and inserted into one end of the oblong hole 11, and rotating the face ring 20 causes the lamp foot 22 to move along the length direction of the oblong hole 11 and continuously press the conductive spring piece 12 to conduct the sensing module 21; when the lamp foot 22 moves to the other end of the oblong hole 11, the lamp body assembly 10 and the face ring 20 are fixed.

[0023] In one embodiment, both the lamp body assembly 10 and the face ring 20 are circular structures, with three waist-shaped holes 11 and three lamp feet 22, which are distributed in a ring-shaped interval, and the waist-shaped holes 11 and the lamp feet 22 are aligned.

[0024] In one embodiment, the sensing module 21 provided on the face ring 20 is an infrared sensing module, and the sensing time, sensitivity and illuminance parameters of the end face of the face ring 20 facing the lamp body assembly 10 can be adjusted; for example, it can be adjusted by rotation.

[0025] In one embodiment, the lamp base 22 is made of metal and is riveted to the end face of the face ring 20 facing the lamp body assembly 10.

[0026] In one embodiment, the outer diameter of the lamp base 22 is slightly smaller than the inner diameter of the larger end of the oblong hole 11 to ensure that the lamp base 22 enters the oblong hole 11.

[0027] In this embodiment, rotational fixation is achieved by the combination of the lamp foot 22 on the face ring 20 and the waist-shaped hole 11. At the same time, power is obtained by the lamp foot 22 entering the waist-shaped hole 11 and squeezing the conductive spring 12. This simplifies the structure of the downlight and improves the reliability of power extraction from the face ring 20.

[0028] More specifically, Figure 3 As shown, the conductive spring 12 partially covers the waist-shaped hole 11, and the conductive spring 12 forms a locking position 121 that is aligned with the other end of the waist-shaped hole 11; the conductive spring 12 rises at an angle from the end aligned with one end of the waist-shaped hole 11 toward the locking position 121; the lamp foot 22 is inserted into one end of the waist-shaped hole 11, and as it moves along the length of the waist-shaped hole 11, the degree of compression of the conductive spring 12 gradually increases until the lamp foot 22 falls into the locking position 121 and is fixed to the other end of the waist-shaped hole 11.

[0029] In one embodiment, there are three conductive spring pieces 12, which are respectively disposed inside each waist-shaped hole 11.

[0030] In one embodiment, the conductive spring 12 is positioned perpendicular to the platform where the waist-shaped hole 11 is located.

[0031] In one embodiment, the conductive spring 12 is made of metal and is electrically connected to the lamp base 22 by abutting against each other.

[0032] In one embodiment, the locking position 121 on the conductive spring 12 is semi-circular, corresponding to the cylindrical shape of the lamp foot 22, so as to better engage and fix the lamp foot 22.

[0033] In this embodiment, the locking position 121 on the conductive spring 12 is used to prevent the lamp foot 22 from detaching itself, which improves the tightness of the connection between the face ring 20 and the lamp body assembly 10, and the face ring 20 can be easily assembled by rotating and fastening, reducing the assembly difficulty and time.

[0034] More specifically, Figure 4 The exploded view of the ring 20 shown includes a rear cover 23, a sensing PCBA assembly 24, and a front cover 25. The rear cover 23 has a ring-shaped structure, and the lamp base 22 protrudes from the rear end face of the rear cover 23. The sensing PCBA assembly 24 is arranged in a ring and stacked on the front end face of the rear cover 23. The sensing PCBA assembly 24 has metal pins 26 that are inserted into and conductively connected to the lamp base 22, and also includes a sensing module 21. The front cover 25 is detachably connected to the rear cover 23 and clamps and fixes the sensing PCBA assembly 24. The front cover 25 has a through hole for the sensing module 21 to sense external signals.

[0035] In one embodiment, the front cover 25 is arranged in a ring shape, and a transparent sheet 27 is glued to its center, and the transparent sheet 27 completely covers the light-emitting range on the light-emitting surface of the lamp assembly 10.

[0036] In one embodiment, the front cover 25 has two through holes for the two sensing ends of the sensing module 21 to extend out respectively; the rear end face of the sensing PCBA assembly 24 has a corresponding adjustment module, and the adjustment module is structurally matched with the rear cover 23 so that it can be rotated and adjusted outside the rear cover 23.

[0037] In one embodiment, the metal pins 26 and the lamp base 22 are aligned and there are three of each; the sensing PCBA assembly 24 is conductive as a whole.

[0038] In this embodiment, the structural design of the face ring 20 facilitates the setup of the sensing module 21 and the smooth passage of light, while also ensuring the modular design of the face ring 20 itself.

[0039] More specifically, it also includes a first waterproof component 31 that is interference-fitted between the rear cover 23 and the front cover 25, and a second waterproof component 32 that is interference-fitted between the sensing module 21 and the through hole of the front cover 25.

[0040] In one embodiment, the first waterproof component 31 is a waterproof silicone ring; the second waterproof adhesive is an O-ring.

[0041] In this embodiment, the face ring 20 achieves its own waterproof protection structure by setting the first waterproof component 31 and the second waterproof component 32.

[0042] More specifically, Figure 5 The exploded view of the lamp assembly 10 shown includes a housing 13, a fixing member 14, a light source assembly 15, and an inner cover 16. The housing 13 has a wire hole for the power cord to pass through. The fixing member 14 is fixed to the rear end face of the housing 13 and is engaged with an external fastener. The light source assembly 15 is built into the housing 13 and is positioned facing the face ring 20. The light source assembly 15 is electrically connected to the power cord, and a conductive spring 12 is provided on the end face of the light source assembly 15 facing the face ring 20. The inner cover 16 is detachably connected to the housing 13 and has an oblong hole 11.

[0043] In one embodiment, the housing 13 is made of a high-temperature resistant material, such as iron.

[0044] In one embodiment, the housing 13 is a single-sided open cover, the fixing member 14 is disposed outside the housing 13, the light source assembly 15 is built into the housing 13, and the inner cover 16 is disposed covering the open end face of the housing 13, so that the lamp body assembly 10 forms a modular structure.

[0045] The rear end face of the housing 13 has a raised section forming a wire passage groove 131, one end of which is connected to a wire hole. The wire passage groove 131 is a linear arched protrusion. The power cord passes through the other end of the wire passage groove 131 and moves along the length of the wire passage groove 131 and enters the housing 13 through the wire hole. The fixing member 14 includes a bracket 141 and a spring clip 142. The bracket 141 partially covers the wire passage groove 131 and is fixed to the rear end face of the housing 13. There are two spring clips 142, and one end of each spring clip 142 is pivotally connected to the bracket 141. The other end of the spring clip 142 is engaged and fixed with an external fastener. When the spring clip 142 rotates to engage and fix with the external fastener, one end of the spring clip 142 drives the bracket 141 to press down on the wire passage groove 131, which serves to prevent the power cord from being pulled.

[0046] In one embodiment, the spring clip 142 is specifically designed with a torsion spring sleeved on the pivot end. Therefore, when the spring clip 142 rotates, it generates downward pressure. The length direction of the bracket 141 is perpendicular to the wire groove 131. Therefore, when the spring clip 142 rotates, the downward pressure acts on the wire groove 131 at the covered position, thereby squeezing the wire groove 131 and the power line inside it, thus preventing the power line from being pulled.

[0047] In this embodiment, the bracket 141 is fixed and the spring clip 142 is pivotally connected, which provides a pulling protection effect for the power cord during use.

[0048] More specifically, the light source assembly 15 includes a heat sink 151, a light source board 152, an adapter PCB board 153, and a lens 154; the heat sink 151 is disposed abutting the inner top surface of the housing 13; the light source board 152 is stacked on the free end face of the heat sink 151 and is electrically connected to the power line; the adapter PCB board 153 is electrically connected to the light source board 152, and the conductive spring 12 is protruding from the lower end face of the adapter PCB board 153; the lens 154 is disposed through the inner cover 16, and one end of the lens 154 abuts the light source board 152.

[0049] In one embodiment, the heat sink 151 is fixed to the housing 13 by bolts; the power cord passes through the heat sink 151 and is electrically connected to the light source board 152; the adapter PCB 153 is electrically connected to the light source board 152, so that the conductive spring 12 on the adapter PCB 153 is energized, or the adapter PCB 153 as a whole is energized.

[0050] In one embodiment, the adapter PCB board 153 is ring-shaped, with the light source board 152 installed in the center, and the light from the light source board 152 passing through the center of the inner cover 16, as well as the lens 154 for assembly.

[0051] In one embodiment, the lens 154 is tapered, with the smaller end facing the light source plate 152 and the larger end facing outward. A reflective film structure may also be attached to the inner side of the lens 154 to improve the diffusion and light enhancement effect of the lens 154 on the light source plate 152.

[0052] In this embodiment, the specific structural configuration of the light source assembly 15 is explained, the structural configuration and charging principle of the conductive spring 12 are described, the rotation and fixing structure of the downlight ring 20 is further defined, and the conduction principle of the sensing module 21 on the ring 20 is described.

[0053] More specifically, it also includes a third waterproof component 33 that is interference-fitted between the lamp body assembly 10 and the face ring 20.

[0054] In one embodiment, the third waterproof element 33 is disposed on the outer side of the face ring 20.

[0055] In summary, this embodiment proposes an infrared sensing fireproof downlight. By setting the lamp feet on the face ring, it achieves the rotational engagement effect between the lamp and the lamp body assembly, and realizes the power supply and conduction effect of the sensing module on the face ring. This simplifies the downlight structure and improves the reliability of power supply to the sensing face ring on the downlight.

[0056] The embodiments described above do not constitute a limitation on the scope of protection of this technical solution. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the above embodiments should be included within the scope of protection of this technical solution.

Claims

1. An infrared sensor fireproof downlight, characterized in that, include: The lamp body assembly has a light-emitting surface on one end, and a waist-shaped hole is formed on the light-emitting surface; a conductive spring sheet that is electrically connected to an external power source is formed inside the waist-shaped hole. A face ring covers the light-emitting surface of the lamp body assembly, and a sensing module is provided on the face ring; a lamp foot that is electrically connected to the sensing module is formed on the end face of the face ring facing the lamp body assembly. The lamp foot is aligned and inserted into one end of the waist-shaped hole. The face ring is rotated to move the lamp foot along the length of the waist-shaped hole and continuously press the conductive spring to conduct the sensing module. When the lamp foot moves to the other end of the waist-shaped hole, the lamp body assembly and the face ring are fixed.

2. The infrared sensor fireproof downlight according to claim 1, characterized in that: The conductive spring piece partially covers the waist-shaped hole, and the conductive spring piece forms a locking position that is aligned with the other end of the waist-shaped hole; the conductive spring piece is inclined and rises towards the locking position from the end that is aligned with one end of the waist-shaped hole. The lamp base is inserted into one end of the waist-shaped hole. As it moves along the length of the waist-shaped hole, the pressure on the conductive spring gradually increases until the lamp base falls into the locking position and is fixed to the other end of the waist-shaped hole.

3. The infrared sensor fireproof downlight according to claim 2, characterized in that, The face ring includes: The back cover has a ring-shaped structure, and the lamp base protrusion is formed on the rear end face of the back cover; The sensing PCBA assembly is arranged in a ring and stacked on the front end face of the rear cover; the sensing PCBA assembly has metal pins that are connected to the lamp base for conduction, and also includes the sensing module; The front cover is detachably connected to the rear cover and clamps and fixes the sensing PCBA assembly; the front cover has a through hole for the sensing module to sense external signals.

4. An infrared sensor fireproof downlight according to claim 3, characterized in that: The front cover has a transparent sheet at its center for the light to pass through the lamp assembly.

5. An infrared sensor fireproof downlight according to claim 4, characterized in that, Also includes: The first waterproof component is interference-fitted between the rear cover and the front cover; The second waterproof component is interference-fitted between the sensing module and the through hole of the front cover.

6. An infrared sensor fireproof downlight according to any one of claims 1 to 5, characterized in that, The lamp assembly includes: The housing has a through hole for the power cord to pass through; The fastener is fixed to the rear end face of the housing and engages with the external fastener for fixation; A light source assembly is built into the housing and is positioned facing the face ring; the light source assembly is electrically connected to the power line, and the conductive spring is disposed on the end face of the light source assembly facing the face ring; The inner cover is detachably connected to the housing and has the waist-shaped hole formed thereon.

7. An infrared sensor fireproof downlight according to claim 6, characterized in that: The housing has a raised groove for wire passing, and one end of the groove is connected to the wire passing hole; the groove is a linear arched protrusion. The power cord moves along the length of the cable through the other end of the cable channel and enters the housing through the cable hole.

8. An infrared sensor fireproof downlight according to claim 7, characterized in that, The fastener includes: The bracket partially covers the cable tray and is fixed to the rear end face of the housing; There are two spring clips, and one end of each spring clip is pivotally connected to the bracket; the other end of each spring clip is engaged and fixed with the external buckle. When the spring clip rotates to engage with the external buckle, one end of the spring clip drives the bracket to press down on the wire groove, thus preventing the power cord from being pulled.

9. An infrared sensor fireproof downlight according to claim 6, characterized in that, The light source assembly includes: A heat sink is disposed against the inner top surface of the housing; A light source board is stacked on the free end face of the heat sink and is electrically connected to the power line; An adapter PCB board is electrically connected to the light source board, and the conductive spring protrusion is disposed on the lower end face of the adapter PCB board; A lens is disposed through the inner cover, and one end of the lens abuts against the light source plate.

10. An infrared sensor fireproof downlight according to claim 1, characterized in that, Also includes: The third waterproof component is interference-fitted between the lamp body assembly and the face ring.

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