An infrared sensor

Abstract

The utility model discloses an infrared inductor, including upper cover and lower cover, the bottom surface edge of upper cover is equipped with two buckles, the middle part of upper cover is equipped with first through -hole, the inside of lower cover is equipped with PCB board, be equipped with PIR sensor, IC chip on the PCB board, PIR sensor with IC chip electric connection, the infrared lens of having is covered on PIR sensor, upper cover covers on lower cover, infrared lens passes first through -hole outward, two buckles are located respectively both sides of lower cover outside, the bottom surface of lower cover is equipped with two first screw holes, when the snap -fit opening of first lamp panel is inserted to lower cover, two buckles respectively with the both side edge snap -fit cooperation of snap -fit opening, when the bottom surface of lower cover is close to two second screw holes of second lamp panel, two first screw holes respectively with two second screw holes screw connection. Further provide a kind of selection for user, flexibly select installation mode.

Description

Technical Field

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

[0002] In recent years, with the rapid development of the lighting industry, in order to achieve energy-saving lighting effects such as lights turning on when people are present and turning off when they leave, it is necessary to effectively detect the movement of people indoors and outdoors. In existing technologies, infrared sensors are combined with driving lamps for lighting systems, with the infrared sensor serving as a human movement detection device. However, the existing installation methods for infrared sensors and lamp panels are limited, and users cannot flexibly choose the installation method according to their actual needs. Utility Model Content

[0003] The purpose of this utility model is to provide an infrared sensor to solve the technical problem that existing infrared sensors and lamp panels have a single installation method, and users cannot flexibly choose the installation method according to actual needs.

[0004] To achieve the above objectives, the present invention provides an infrared sensor, comprising an upper cover and a lower cover. The bottom edge of the upper cover has two snap fasteners, and the center of the upper cover has a first through hole. The interior of the lower cover contains a PCB board, on which a PIR sensor and an IC chip are mounted. The PIR sensor is electrically connected to the IC chip, and an infrared lens is fitted onto the PIR sensor. The upper cover covers the lower cover, and the infrared lens extends outward through the first through hole. The two snap fasteners are located on opposite sides of the lower cover. The bottom surface of the lower cover has two first screw holes. When the lower cover is inserted into the snap-fit ​​opening of a first lamp panel, the two snap fasteners engage with the edges of the snap-fit ​​opening. When the bottom surface of the lower cover is near the two second screw holes of a second lamp panel, the two first screw holes are screwed into the two second screw holes.

[0005] Furthermore, the bottom surface of the upper cover is also provided with a frame, the first through hole is located in the middle of the inside of the frame, the two buckles are respectively located on both sides of the outside of the frame, and the frame is inserted into the inside of the lower cover.

[0006] Furthermore, the outer wall of the frame is provided with a number of fastening blocks, and the inner wall of the top of the lower cover is provided with a number of fastening grooves, and the number of fastening blocks are respectively fastened and fixed with the number of fastening grooves.

[0007] Furthermore, the two buckles are located on the left and right sides of the outer side of the frame, the several fastening blocks are located on the front and rear outer walls of the frame, and the several fastening slots are located on the front and rear inner walls of the top of the lower cover.

[0008] Furthermore, the inner walls of the front and rear sides of the bottom end of the lower cover are provided with a number of support rods, and the inner walls of the front and rear sides of the middle part of the lower cover are provided with a number of limiting blocks. The front and rear edges of the PCB board are subject to upper and lower limits between the limiting blocks and the support rods.

[0009] Furthermore, the inner bottom surface of the lower cover is provided with two screw posts distributed along the left and right sides. The two screw posts support the bottom surface of the PCB board upwards. The two first screw holes are respectively located inside the two screw posts, and the openings of the two first screw holes are located on the outer bottom surface of the lower cover.

[0010] Furthermore, the buckle has a vertical surface on the side near the frame, and an inclined surface and several fastening steps distributed sequentially from bottom to top on the side away from the frame.

[0011] Furthermore, the top cover is provided with a second through hole and a third through hole, which are located on the left and right sides inside the frame, respectively. The PCB board is also provided with an LED and a light sensor, which are electrically connected to the IC chip. The LED and the light sensor pass outward through the second through hole and the third through hole, respectively.

[0012] Furthermore, the upper cover and the lower cover are rectangles extending from left to right, the lower cover has an L-shaped mounting opening at the lower right or lower left end, and the PCB board has a terminal socket connection port at the lower right or lower left end, which is installed in the mounting opening.

[0013] Furthermore, the PCB board is also provided with a magnetic reset device and an antenna. The magnetic reset device can be inductively coupled with a magnet on the outside of the lower cover. The magnetic reset device is electrically connected to the IC chip. The antenna is wound around the infrared lens.

[0014] In summary, the technical solution of this utility model has the following beneficial effects: The structure of this utility model is reasonable. (1) By setting an upper cover and a lower cover, the bottom edge of the upper cover is provided with two buckles, the middle of the upper cover is provided with a first through hole, the interior of the lower cover is provided with a PCB board, the PCB board is provided with a PIR sensor and an IC chip, the PIR sensor and the IC chip are electrically connected, and the PIR sensor is covered with an infrared lens; the upper cover covers the lower cover, the infrared lens passes outward through the first through hole, the two buckles are located on both sides of the outside of the lower cover, and the bottom surface of the lower cover is provided with two first screw holes; thus, the IC chip on the PCB board can work with the PIR sensor (Note: PIR sensor, full name passive infrared sensor, is a sensor that can detect the infrared heat emitted by an object.) and the PIR sensor can effectively identify the movement of the human body through the infrared lens. (2) By setting the two buckles to engage with the two sides of the buckle opening when the lower cover is inserted into the first lamp panel; and by setting the two first screw holes to be connected to the two second screw holes when the bottom surface of the lower cover is close to the two second screw holes of the second lamp panel; thus providing users with two installation methods for the infrared sensor and the lamp panel. Installation method one: When facing the first lamp panel with the buckle opening, the user can insert the lower cover of the infrared sensor into the buckle opening until the two buckles engage with the two sides of the buckle opening. After installation, the infrared sensor can be combined with the driving lamp for use in the lighting system. Installation method two: When facing the second lamp panel with the two second screw holes, the user can place the bottom surface of the lower cover of the infrared sensor close to the two second screw holes of the second lamp panel and use two screws to connect the two first screw holes to the two second screw holes. After installation, the infrared sensor can be combined with the driving lamp for use in the lighting system. As can be seen from the above analysis, by setting two buckles and two first screw holes, this utility model allows users to choose to fix the infrared sensor buckle on the first lamp panel or fix the infrared sensor screw on the second lamp panel, thus providing users with more options. Users can flexibly choose the installation method according to their actual needs. Attached Figure Description

[0015] Figure 1 This is an exploded structural diagram of the infrared sensor and the first lamp panel of this utility model; Figure 2 This is another exploded structural diagram of the infrared sensor and the first lamp panel of this utility model; Figure 3 This is a schematic diagram of the structure of the present invention, showing the infrared sensor and the first lamp panel separated. Figure 4 This is a schematic diagram of the assembly of the infrared sensor of this utility model with the first lamp panel; Figure 5 This is a three-dimensional structural diagram of the infrared sensor of this utility model; Figure 6 This is a three-dimensional structural diagram of the lower cover of the infrared sensor of this utility model; Figure 7 This is a three-dimensional structural diagram of the upper cover of the infrared sensor of this utility model; Figure 8 This is a three-dimensional structural diagram of the infrared sensor of this utility model without the top cover; Figure 9 This is another three-dimensional structural diagram of the infrared sensor of this utility model; Explanation of reference numerals in the attached drawings: Top cover (1), bottom cover (2), PCB board (3), PIR sensor (4), IC chip (5), infrared lens (6), first lamp panel (7), LED (8), light sensor (9), magnetic resetter (10), antenna (11); buckle (101), frame (102), first through hole (103), second through hole (104), third through hole (105), fastening block (106), vertical surface (107), inclined surface (108), fastening step (109); first screw hole (201), screw post (202), mounting opening (203), fastening groove (204), support rod (205), limit block (206); terminal socket connection port (301); fastening opening (701). Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, but this does not constitute a limitation on the scope of protection of the present utility model.

[0017] In this utility model, for clearer description, the following explanation is provided: The observer faces the attached... Figure 1 When observing, the observer's left side is designated as left, the observer's right side as right, the area in front of the observer as front, the area behind the observer as back, the area above the observer as top, and the area below the observer as bottom. It should be noted that the terms "front end," "rear end," "left side," "right side," "middle," "above," and "below" used in this document indicate the orientation or positional relationship based on the accompanying drawings. These are merely for the purpose of clearly describing the present invention and do not indicate or imply that the structure or component referred to must have a specific orientation or be constructed in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used only for the purpose of clarity or simplification of description and should not be construed as indicating or implying relative importance or quantity.

[0018] See Figures 1 to 9This embodiment provides an infrared sensor, including an upper cover 1 and a lower cover 2. The bottom edge of the upper cover 1 is provided with two buckles 101, and the middle of the upper cover 1 is provided with a first through hole 103. The interior of the lower cover 2 is provided with a PCB board 3, on which a PIR sensor 4 and an IC chip 5 are provided. The PIR sensor 4 and the IC chip 5 are electrically connected, and an infrared lens 6 is fitted on the PIR sensor 4. The upper cover 1 covers the lower cover 2, and the infrared lens 6 passes outward through the first through hole 103. The two buckles 101 are respectively located on both sides of the outside of the lower cover 2. The bottom surface of the lower cover 2 is provided with two first screw holes 201. When the lower cover 2 is inserted into the snap-fit ​​opening 701 of the first lamp panel 7, the two buckles 101 are respectively engaged with the two sides of the snap-fit ​​opening 701. When the bottom surface of the lower cover 2 is close to the two second screw holes of the second lamp panel (not shown in the figure), the two first screw holes 201 are respectively screwed into the two second screw holes. Function: (1) By setting an upper cover and a lower cover, the bottom edge of the upper cover is provided with two buckles, the middle of the upper cover is provided with a first through hole, the interior of the lower cover is provided with a PCB board, the PCB board is provided with a PIR sensor and an IC chip, the PIR sensor and the IC chip are electrically connected, and the PIR sensor is covered with an infrared lens; the upper cover is placed on the lower cover, the infrared lens passes outward through the first through hole, the two buckles are located on the two sides of the outside of the lower cover, and the bottom surface of the lower cover is provided with two first screw holes; thus, the IC chip on the PCB board can work with the PIR sensor (Note: PIR sensor, full name passive infrared sensor, is a sensor that can detect the infrared heat emitted by an object.) and the PIR sensor can effectively identify the movement of the human body through the infrared lens. (2) By setting the two buckles to engage with the two sides of the buckle opening when the lower cover is inserted into the first lamp panel; and by setting the two first screw holes to be connected to the two second screw holes when the bottom surface of the lower cover is close to the two second screw holes of the second lamp panel; thus providing users with two installation methods for the infrared sensor and the lamp panel. Installation method one: When facing the first lamp panel with the buckle opening, the user can insert the lower cover of the infrared sensor into the buckle opening until the two buckles engage with the two sides of the buckle opening. After installation, the infrared sensor can be combined with the driving lamp for use in the lighting system. Installation method two: When facing the second lamp panel with the two second screw holes, the user can place the bottom surface of the lower cover of the infrared sensor close to the two second screw holes of the second lamp panel and use two screws to connect the two first screw holes to the two second screw holes. After installation, the infrared sensor can be combined with the driving lamp for use in the lighting system.As can be seen from the above analysis, by setting two buckles and two first screw holes, this utility model allows users to choose to fix the infrared sensor buckle on the first lamp panel or fix the infrared sensor screw on the second lamp panel, thus providing users with more options. Users can flexibly choose the installation method according to their actual needs.

[0019] Specifically, the bottom surface of the upper cover 1 is also provided with a frame 102, the first through hole 103 is located in the middle of the inside of the frame 102, and two buckles 101 are located on both sides of the outside of the frame 102. The frame 102 is inserted into the inside of the lower cover 2. Function: The frame improves the stability of the assembly of the upper cover 1 and the lower cover 2.

[0020] Specifically, the outer wall of the frame 102 is provided with a number of fastening blocks 106, and the inner wall of the top of the lower cover 2 is provided with a number of fastening grooves 204. The fastening blocks 106 are fastened and fixed to the fastening grooves 204 respectively. Function: By fastening and fixing the fastening blocks 106 to the fastening grooves 204, it is convenient to quickly assemble the upper cover 1 and the lower cover 2.

[0021] Specifically, two latches 101 are located on the left and right sides of the outer side of the frame 102, several fastening blocks 106 are located on the front and rear outer walls of the frame 102, and several fastening slots 204 are located on the front and rear inner walls of the top of the lower cover 2. Function: This arrangement ensures that the distribution positions of the fastening blocks 106 and fastening slots 204 are staggered from the distribution positions of the two latches 101 in the front-back and left-right directions, thus providing sufficient distribution space.

[0022] Specifically, the inner walls of the front and rear sides of the bottom of the lower cover 2 are provided with several support rods 205, and the inner walls of the front and rear sides of the middle of the lower cover 2 are provided with several limiting blocks 206. The front and rear edges of the PCB board 3 are vertically limited between the limiting blocks 206 and the support rods 205. Function: Under the support of the support rods 205 and the limiting action of the limiting blocks 206, the PCB board 3 is well fixed.

[0023] Specifically, the inner bottom surface of the lower cover 2 has two screw posts 202 distributed along the left and right sides. The two screw posts 202 support the bottom surface of the PCB board 3 upwards. Two first screw holes 201 are respectively located inside the two screw posts 202, and the openings of the two first screw holes 201 are located on the outer bottom surface of the lower cover 2. Function: The two screw posts 202 provide space for the distribution of the two first screw holes 201, and at the same time, the two screw posts 202 provide support for the middle part of the PCB board 3.

[0024] Specifically, the buckle 101 has a vertical surface 107 on the side near the frame 102, and an inclined surface 108 and several engagement steps 109 distributed sequentially from bottom to top on the side away from the frame 102. Function: The vertical surface 107 facilitates the assembly of the lower cover 2 with the frame 102, while the inclined surface 108 facilitates the buckle 101 entering the engagement opening of the first lamp panel, and the engagement steps 109 facilitate engagement and fixation with the edge of the engagement opening.

[0025] Specifically, the top cover 1 has a second through hole 104 and a third through hole 105, which are located on the left and right sides inside the frame 102, respectively. The PCB board 3 also has an LED 8 and a light sensor 9, which are electrically connected to the IC chip 5. The LED 8 and the light sensor 9 extend outwards through the second through hole 104 and the third through hole 105, respectively. Function: The LED is mainly used for identification, for sensing and identification or adding / removing devices (i.e., the LED can emit light to help users identify the working status of the infrared sensor), and the light sensor 9 can sense external light.

[0026] Specifically, the upper cover 1 and the lower cover 2 are rectangles extending left and right. The lower cover 2 has an L-shaped mounting opening 203 at its lower right or lower left end, and the PCB board 3 has a terminal socket connection port 301 at its lower right or lower left end. The terminal socket connection port 301 is installed in the mounting opening 203. Function: The terminal socket connection port 301 facilitates external electrical connection.

[0027] Specifically, the PCB board 3 also includes a magnetic resetter 10 and an antenna 11. The magnetic resetter 10 can engage with a magnet on the outside of the lower cover 2. The magnetic resetter 10 is electrically connected to the IC chip 5, and the antenna 11 is wound around the infrared lens 6. Function: The magnetic resetter 10 can be a Hall sensor, allowing users to reset the device by applying a magnet to the magnetic reset mark on the upper cover surface for 5-10 seconds without disassembling the casing or wiring. The PCB board 3 can also be equipped with a Bluetooth antenna (not shown in the figure) for signal transmission, enabling communication with the lighting fixtures. This facilitates the integration of the infrared sensor with the lighting system, enabling functions such as dimming and color-changing switches. The antenna primarily amplifies the Bluetooth signal, making transmission more reliable and reducing the bit loss rate.

[0028] As a preferred option, the infrared lens 6 uses a Fresnel lens, which is mainly used for focusing energy and partitioning. It can effectively focus energy onto the PIR sensor 4, thereby achieving the sensing function in conjunction with the sensor.

[0029] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications are also considered to be within the protection scope of this utility model.

Claims

1. An infrared sensor, comprising an upper cover (1) and a lower cover (2), characterized in that: The bottom edge of the upper cover (1) is provided with two buckles (101), and the middle of the upper cover (1) is provided with a first through hole (103). The interior of the lower cover (2) is provided with a PCB board (3), and the PCB board (3) is provided with a PIR sensor (4) and an IC chip (5). The PIR sensor (4) is electrically connected to the IC chip (5), and an infrared lens (6) is fitted on the PIR sensor (4). The upper cover (1) covers the lower cover (2), and the infrared lens (6) extends outward through the first through hole. (103) The two buckles (101) are located on both sides of the outside of the lower cover (2). The bottom surface of the lower cover (2) is provided with two first screw holes (201). When the lower cover (2) is inserted into the snap-fit ​​opening (701) of the first lamp panel (7), the two buckles (101) are engaged with the two sides of the snap-fit ​​opening (701). When the bottom surface of the lower cover (2) is close to the two second screw holes of the second lamp panel, the two first screw holes (201) are screwed into the two second screw holes respectively.

2. The infrared sensor according to claim 1, characterized in that: The bottom surface of the upper cover (1) is also provided with a frame (102), the first through hole (103) is located in the middle of the inside of the frame (102), the two buckles (101) are respectively located on both sides of the outside of the frame (102), and the frame (102) is inserted into the inside of the lower cover (2).

3. An infrared sensor according to claim 2, characterized in that: The outer wall of the frame (102) is provided with a number of fastening blocks (106), and the inner wall of the top of the lower cover (2) is provided with a number of fastening grooves (204). The number of fastening blocks (106) are fastened and fixed to the number of fastening grooves (204) respectively.

4. An infrared sensor according to claim 3, characterized in that: The two buckles (101) are located on the left and right sides of the outside of the frame (102), the several fastening blocks (106) are located on the front and rear outer walls of the frame (102), and the several fastening grooves (204) are located on the front and rear inner walls of the top of the lower cover (2).

5. An infrared sensor according to claim 4, characterized in that: The bottom end of the lower cover (2) has several support rods (205) on the front and rear inner walls respectively, and the middle part of the lower cover (2) has several limiting blocks (206) on the front and rear inner walls respectively. The front and rear edges of the PCB board (3) are limited vertically between the several limiting blocks (206) and the several support rods (205).

6. An infrared sensor according to claim 5, characterized in that: The inner bottom surface of the lower cover (2) is provided with two screw posts (202) distributed along the left and right sides. The two screw posts (202) support the bottom surface of the PCB board (3) upwards. The two first screw holes (201) are respectively located inside the two screw posts (202), and the openings of the two first screw holes (201) are located on the outer bottom surface of the lower cover (2).

7. An infrared sensor according to claim 2, characterized in that: The buckle (101) has a vertical surface (107) on the side near the frame (102), and the buckle (101) has an inclined surface (108) and several fastening steps (109) distributed from bottom to top on the side away from the frame (102).

8. An infrared sensor according to claim 2, characterized in that: The top cover (1) is provided with a second through hole (104) and a third through hole (105). The second through hole (104) and the third through hole (105) are located on the left and right sides inside the frame (102), respectively. The PCB board (3) is also provided with an LED (8) and a light sensor (9). The LED (8) and the light sensor (9) are electrically connected to the IC chip (5). The LED (8) and the light sensor (9) pass outward through the second through hole (104) and the third through hole (105), respectively.

9. An infrared sensor according to any one of claims 1 to 8, characterized in that: The upper cover (1) and the lower cover (2) are rectangles extending from left to right. The lower cover (2) has an L-shaped mounting opening (203) at the lower right or lower left end. The PCB board (3) has a terminal socket connection port (301) at the lower right or lower left end. The terminal socket connection port (301) is installed in the mounting opening (203).

10. An infrared sensor according to any one of claims 1 to 8, characterized in that: The PCB board (3) is also provided with a magnetic reset device (10) and an antenna (11). The magnetic reset device (10) can be inductively coupled with a magnet outside the lower cover (2). The magnetic reset device (10) is electrically connected to the IC chip (5). The antenna (11) is wrapped around the infrared lens (6).

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