CN216621195U - Pet protection infrared sensor - Google Patents
Pet protection infrared sensor Download PDFInfo
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- CN216621195U CN216621195U CN202122992309.1U CN202122992309U CN216621195U CN 216621195 U CN216621195 U CN 216621195U CN 202122992309 U CN202122992309 U CN 202122992309U CN 216621195 U CN216621195 U CN 216621195U
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Abstract
The pet protection infrared sensor is applicable to the technical field of monitoring equipment, and particularly provides a pet protection infrared sensor which comprises a shell, an infrared sensor IC, a PCB (printed circuit board), a light gathering cup and a lens; the infrared sensor IC is arranged in the shell and used for receiving infrared light; the PCB driving circuit board is electrically connected with the infrared sensor IC; the light-gathering cup is provided with an inclined plate for reflecting infrared light to the infrared sensor IC, and is also used for blocking the light emitted or reflected by the electronic component in the shell from entering the infrared sensor IC; the lens is fixed on one side of incident light of the light gathering cup, the lens is extruded between the light gathering cup and the shell, and the shell is provided with an opening opposite to the lens. The technical problems that an infrared sensor in the prior art is low in detection precision and unstable in lens installation due to interference are solved.
Description
Technical Field
The utility model relates to the technical field of monitoring equipment, in particular to an infrared sensor.
Background
The existing PIR pet protection infrared sensor detection technology is not high in precision and instable in LENS installation of a LENS, the market competitiveness of a product is not strong, most of PIR pet protection infrared sensors are not provided with light gathering cups, PIR sensor ICs are easily interfered by light sources of LED lamps inside the product or signals of bright reflected light inside the product (for example, some electronic components inside some bright soldering tin or stainless steel outer skins may reflect weak light). Simultaneously, the LENS of the LENS which is externally mounted is not stable enough, warping possibly exists, or the production structure of the LENS is complex, the manufacturing cost is high, the LENS is not beneficial to production, installation and cost control, and the competitiveness is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pet protection infrared sensor, and aims to solve the technical problems that the detection precision of the infrared sensor is not high and the lens installation is not stable due to interference in the prior art.
In order to achieve the purpose, the utility model adopts the technical scheme that: provided is a pet protection infrared sensor including:
a housing;
the infrared sensor IC is arranged in the shell and used for receiving infrared light;
the PCB driving circuit board is electrically connected with the infrared sensor IC;
the light-gathering cup comprises an inclined plate for reflecting infrared light to the infrared sensor IC, and is also used for blocking the light emitted or reflected by the electronic component in the shell from entering the infrared sensor IC; and
the lens is fixed on one side of the incident light of the light gathering cup, the lens is extruded between the light gathering cup and the shell, and an opening opposite to the lens is formed in the shell.
In one embodiment, the light-gathering cup comprises a plurality of inclined plates, the inclined plates surround to form a shell-shaped structure, the inclined plates are trapezoidal or triangular, one end of the light-gathering cup is an entrance port, the other end of the light-gathering cup is a receiving port, the entrance port is larger than the receiving port, the infrared sensor IC is located at the receiving port, and the lens cover is arranged at the entrance port.
In one embodiment, the lens is arc-shaped, the light collecting cup further comprises convex plates arranged on the two opposite inclined plates, the convex plates are arc-shaped and used for supporting two sides of the lens, and the lens is squeezed between the convex plates and the inner wall of the shell.
In one embodiment, the electronic component capable of reflecting light inside the housing is disposed below the inclined plate of the light-gathering cup, and the inclined plate is used for blocking light reflected by the electronic component from entering the infrared sensor IC.
In one embodiment, a through hole is further formed in the inclined plate, an electronic component capable of emitting light rays in the shell is arranged in the through hole, and the emitting direction of the electronic component faces the lens.
In one embodiment, a clamping head is further arranged on the light gathering cup, a clamping opening matched with the clamping head is formed in the lens, and the clamping head is clamped into the clamping opening so that the light gathering cup is connected with the lens.
In one embodiment, the infrared sensor further comprises a bracket, the bracket is used for supporting and fixing the infrared sensor IC, and a battery assembly for supplying power is further arranged in the housing.
In one embodiment, the PCB driving circuit board is further provided with buffering foam, the shape of the buffering foam is matched with that of the frame of the receiving opening, and the frame of the receiving opening abuts against the buffering foam.
In one embodiment, the housing comprises an upper cover and a lower cover which are buckled with each other, and the opening is formed in the upper cover.
In one embodiment, the housing further comprises a wall hanging detachably connected with the lower cover.
The pet protection infrared sensor provided by the utility model has the beneficial effects that the light-gathering cup is arranged on the infrared sensor, the light-gathering cup can gather the incident infrared rays to the infrared sensor IC, the detection effect and the precision of the infrared sensor are increased, the light-gathering cup can block or cover the light rays emitted by some light-emitting or light-reflecting devices in the shell, and the infrared sensor IC cannot receive the light rays, so that the detection precision and the effect of the infrared sensor are further increased.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a pet protection infrared sensor according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the housing of FIG. 1 with the upper cover removed;
FIG. 3 is a schematic view of the structure of FIG. 2 with the lens removed;
FIG. 4 is a schematic view of the structure of FIG. 3 with the light gathering cup removed;
FIG. 5 is a schematic structural view of the light-gathering cup of FIG. 2;
fig. 6 is a schematic structural diagram of the lens in fig. 2.
In the figure: 1. a housing; 2. an infrared sensor IC; 3. a PCB driving circuit board; 4. a light focusing cup; 5. a lens; 6. a through hole; 7. a sloping plate; 8. a convex plate; 9. clamping a head; 10. a bayonet; 11. a support; 12. a battery assembly; 13. and (5) buffering foam.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-6, the present invention provides an embodiment of an infrared sensor for pet protection, which includes a housing 1, an infrared sensor IC2, a PCB driving circuit board 3, a light-gathering cup 4, and a lens 5; wherein, the infrared sensor IC2 is also a chip of the infrared sensor, and has an infrared receiving module, the infrared receiving module is used for receiving infrared rays and transmitting signals to the chip, and the infrared sensor IC2 is arranged in the housing 1;
the PCB driving circuit board 3 is electrically connected with the infrared sensor IC2, the chip can transmit signals to the PCB driving circuit board 3, and the PCB driving circuit board 3 can trigger some indicating devices, specifically, the PCB driving circuit board 3 can be electrically connected with an alarm or an indicating lamp, and after receiving the signals, the alarm or the indicating lamp can be turned on;
the light-gathering cup 4 comprises an inclined plate 7 used for reflecting infrared light to the infrared sensor IC2, and the light-gathering cup 4 is also used for blocking light emitted or reflected by electronic components in the shell 1 from entering the infrared sensor IC 2.
Specifically, the light-gathering cup 4 is provided with an inclined plate 7, the surface of the inclined plate 7 can reflect light, and when infrared light enters, the inclined plate 7 reflects and gathers the infrared light to the infrared sensor IC2, so that the infrared light can well receive infrared signals.
And, can set up some electronic components that can give out light in casing 1, for example the LED lamp, its effect is the illumination, when it is luminous, infrared sensor IC2 also can receive its light, wherein also contain the infrared ray, can cause the influence to infrared sensor's detection precision like this, and still can set up some devices that can reflect light in casing 1, for example some electronic components of inside bright soldering tin or stainless steel crust may have the reflection of weak light, some infrared light or the light of the luminescent device in the reflection casing 1 in the external environment that these reflective devices may reflect some and are not got into from the entrance, can cause the influence to infrared sensor's detection precision equally.
Therefore, the light-gathering cup 4 in this embodiment is set to block the light emitted or reflected by the electronic component located in the housing 1 from entering the infrared sensor IC2, so as to improve the detection accuracy of the infrared sensor and realize accurate detection.
The lens 5 in this embodiment is arranged in such a manner that the lens 5 is fixed on one side of the light-gathering cup 4 where the light enters, the lens 5 is pressed between the light-gathering cup 4 and the housing 1, and an opening opposite to the lens 5 is formed in the housing 1.
In the embodiment, the lens 5 is arranged on one side of the incident light, and is stably arranged between the light collection cup 4 and the housing 1, that is, the frame of the lens 5 is extruded between the light collection cup 4 and the housing 1, and the fixation is firm and stable.
The pet protection infrared sensor that this embodiment provided's beneficial effect lies in, this infrared sensor is equipped with spotlight cup 4, spotlight cup 4's effect lies in can assembling the infrared ray of penetrating to infrared sensor IC2, increase infrared sensor's detection effect and precision, and spotlight cup 4's effect still lies in can blocking or hiding the light of some inside luminescence or reflector emission of casing 1, make infrared sensor IC2 can not accept these light, thereby further increase infrared sensor's detection precision and effect, and this infrared sensor still is equipped with lens 5, lens 5 set up the mode for extrude in spotlight cup 4 with between the casing 1, make lens 5 fixed firm stable, can not take place the phenomenon of perk, be favorable to production installation and cost management and control, the competitiveness is greatly improved.
As shown in fig. 2, 3 and 5, as a preferred embodiment of the pet protection infrared sensor provided in this embodiment, the light-gathering cup 4 is a shell-shaped structure, the shell-shaped structure is surrounded by a plurality of inclined plates 7, the surfaces of the inclined plates 7 can reflect light, specifically, the light-gathering cup 4 is similar to an inverted cone-shaped structure, one port is larger, and one port is smaller, wherein the large port is an entrance port, the small port is a receiving port, and the receiving port is a gathering part, and after the light is incident from the entrance port, the light is gathered to the receiving port by reflection of each inclined plate 7, and the infrared sensor IC2 is disposed at the receiving port.
The design form of the light-gathering cup 4 that this embodiment provided can be fine with the light that jets into from the entrance assembles the receiving port department, also is infrared sensor IC2 department, realizes infrared sensor's accurate detection. Wherein a lens 5 is provided at the entrance to allow light to enter through the lens 5.
As shown in fig. 2 and fig. 6, further, this embodiment also provides a preferred embodiment of the shape and arrangement form of the lens 5, specifically, the lens 5 is arc-shaped, convex plates 8 are fixedly connected to two opposite inclined plates 7 of the light collecting cup 4, the convex plates 8 are arc-shaped, the convex plates 8 are used for supporting two sides of the lens 5, and the lens 5 is squeezed between the convex plates 8 and the inner wall of the housing 1.
Specifically, the shape of the lens 5 is arc-shaped, that is, the surface of the lens 5 is a curved surface, the cross-sectional shape of the lens 5 is arc-shaped, convex plates 8 are arranged on the tops of two inclined plates 7 opposite to the light-gathering cup 4, the edge of each convex plate 8 is arc-shaped, the edge of each convex plate 8 is matched with the shape of the inner wall of the lens 5, the lens 5 is arranged on each convex plate 8, that is, the convex plates 8 are positioned on two sides of the lens 5 and used for propping against two ends of the lens 5, and the outer side of the lens 5 is butted against the inner wall of the housing 1. Specifically, the housing 1 is provided with an opening for entering incident light, and the inner frame of the opening presses the outer side of the lens 5, so that the lens 5 is extruded between the convex plate 8 and the inner frame of the opening.
Further, the present embodiment also provides that, in order to block the light reflecting device, the electronic component capable of reflecting light inside the housing 1 is disposed under the sloping plate 7 of the light collecting cup 4, and the infrared sensor IC2 is located at the receiving port, and the two are separated by the sloping plate 7, so that the infrared sensor IC2 is not affected by the light reflecting device.
The sloping plate 7 in this embodiment shields some of the light reflecting devices, thereby preventing their influence on the infrared sensor IC 2.
As shown in fig. 5, a through hole 6 is further formed in the inclined plate 7, and an electronic component capable of emitting light in the housing 1 is disposed in the through hole 6, and the emitting direction of the electronic component faces the lens 5.
In the present embodiment, some devices capable of emitting light, such as LED lamps, are disposed inside the inclined plate 7, the inclined plate 7 is provided with a through hole 6, and the LED lamps are disposed in the through hole 6, wherein the through hole 6 is disposed in a direction facing the lens 5, so that light emitted from the LED lamps is emitted toward the lens 5 and is not received by the infrared sensor IC2, and the lighting effect of the LED lamps is not affected.
As shown in fig. 2, 5 and 6, in order to further increase the connection effect between the light collecting cup 4 and the lens 5, a clamping head 9 is further arranged on the light collecting cup 4, a bayonet 10 matched with the clamping head 9 is arranged on the lens 5, and the clamping head 9 is clamped in the bayonet 10 so that the light collecting cup 4 is connected with the lens 5.
In the present embodiment, the fixing effect of the lens 5 is further enhanced by the connection form of the chuck 9 and the bayonet 10, so that the lens 5 is fixed more stably.
Wherein bayonet socket 10 is for seting up the rectangular hole on lens 5, and dop 9 is the hook-like dop 9 of connecting on spotlight cup 4, and dop 9 passes bayonet socket 10 and joint at the edge of bayonet socket 10 to can realize detachable the connection between them, strengthened the stability of connecting.
As shown in fig. 4, further, the infrared sensor further includes a bracket 11, where the bracket 11 is used to support and fix the infrared sensor IC2, and a battery assembly 12 for supplying power is further disposed in the housing 1.
The support 11 is used for supporting the infrared sensor IC2, so that the infrared sensor can be well fixed at a preset position, and the support 11 plays a good role in protection and bearing. The battery assembly 12 supplies power to the whole device, and comprises various power-using devices, an infrared sensor IC2, a PCB driving circuit board 3 and the like.
At the bottom of spotlight cup 4, this embodiment has still set up the buffering bubble cotton 13, and the buffering bubble cotton 13 sets up on PCB drive circuit board 3 to the shape of buffering bubble cotton 13 with the frame shape looks adaptation of receiving port, the frame butt of receiving port buffering bubble cotton 13.
The setting of buffering bubble cotton 13 makes spotlight cup 4 have the position that can place among this embodiment, can not cause influence and rigid injury to PCB drive circuit board 3.
The housing 1 in this embodiment includes an upper cover and a lower cover that are fastened to each other, and the opening is opened in the upper cover. The casing 1 that the components of a whole that can function independently set up in this embodiment can be dismantled, with dismantling the connection between upper cover and the lower cover, and then can change and maintain the device of inside.
The housing 1 in this embodiment further includes a wall hanging, which is detachably connected to the lower cover. Through hanging, can hang this infrared sensor on the wall.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Pet protects infrared sensor, its characterized in that includes:
a housing;
the infrared sensor IC is arranged in the shell and used for receiving infrared light;
the PCB driving circuit board is electrically connected with the infrared sensor IC;
the light-gathering cup comprises an inclined plate for reflecting infrared light to the infrared sensor IC, and is also used for blocking the light emitted or reflected by the electronic component in the shell from entering the infrared sensor IC; and
the lens is fixed on one side of the incident light of the light gathering cup, the lens is extruded between the light gathering cup and the shell, and an opening opposite to the lens is formed in the shell.
2. The pet-protection infrared sensor of claim 1, wherein the light-gathering cup comprises a plurality of tilted plates, the tilted plates enclose a shell-shaped structure, the tilted plates are trapezoidal or triangular, one end of the light-gathering cup is an entrance port, the other end of the light-gathering cup is a receiving port, the entrance port is larger than the receiving port, the infrared sensor IC is located at the receiving port, and the lens cover is located at the entrance port.
3. The pet-protected infrared sensor of claim 2, wherein the lens is arc-shaped, the light gathering cup further comprises convex plates disposed on the two opposing inclined plates, the convex plates being arc-shaped for supporting both sides of the lens, the lens being compressed between the convex plates and the inner wall of the housing.
4. The pet-protection infrared sensor of claim 3, wherein the electronic component capable of reflecting light inside the housing is disposed under a sloping plate of the light-gathering cup, the sloping plate being configured to block light reflected by the electronic component from entering the infrared sensor IC.
5. The pet-protection infrared sensor as claimed in claim 3, wherein a through hole is further formed on the inclined plate, and an electronic component capable of emitting light rays in the housing is disposed in the through hole, and the emitting direction is toward the lens.
6. The pet-protection infrared sensor as claimed in claim 3, wherein a clip is further provided on the condensing cup, and a bayonet fitting with the clip is provided on the lens, and the clip is snapped into the bayonet to connect the condensing cup and the lens.
7. The pet protection infrared sensor of any one of claims 1 to 6, further comprising a bracket for supporting and fixing the infrared sensor IC, and a battery assembly for supplying power is further provided in the housing.
8. The pet-protection infrared sensor of claim 2, wherein a buffering foam is further arranged on the PCB, the shape of the buffering foam is matched with that of the frame of the receiving port, and the frame of the receiving port abuts against the buffering foam.
9. The pet-protected infrared sensor of claim 1, wherein the housing includes an upper cover and a lower cover that snap together, the opening being open to the upper cover.
10. The pet-protected infrared sensor of claim 9, wherein the housing further comprises wall hanging, the wall hanging being removably connected with the lower cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122992309.1U CN216621195U (en) | 2021-11-30 | 2021-11-30 | Pet protection infrared sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122992309.1U CN216621195U (en) | 2021-11-30 | 2021-11-30 | Pet protection infrared sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216621195U true CN216621195U (en) | 2022-05-27 |
Family
ID=81699939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122992309.1U Active CN216621195U (en) | 2021-11-30 | 2021-11-30 | Pet protection infrared sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216621195U (en) |
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2021
- 2021-11-30 CN CN202122992309.1U patent/CN216621195U/en active Active
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