CN214407781U - Dual-channel pyroelectric infrared sensor - Google Patents
Dual-channel pyroelectric infrared sensor Download PDFInfo
- Publication number
- CN214407781U CN214407781U CN202120564987.5U CN202120564987U CN214407781U CN 214407781 U CN214407781 U CN 214407781U CN 202120564987 U CN202120564987 U CN 202120564987U CN 214407781 U CN214407781 U CN 214407781U
- Authority
- CN
- China
- Prior art keywords
- infrared sensor
- circuit board
- metal base
- injection hole
- pyroelectric infrared
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model relates to an infrared sensor technical field just discloses a binary channels pyroelectric infrared sensor. The utility model provides a binary channels pyroelectric infrared sensor, includes the pipe cap, circuit board and metal base, the top of pipe cap is provided with the window, the inside of window is provided with the light filter, the top fixed mounting of circuit board has support piece, support piece gets top fixed mounting has infrared sensitive unit, the top fixed mounting of circuit board has field effect transistor, the bottom fixed mounting of circuit board has the pin, the utility model discloses when butt joint to pipe cap and metal base, through to injecting glue hole one inside injection glue, glue flows through in proper order along injecting glue hole two and injecting glue hole three in injecting glue hole one, after fixed shaping, accomplishes the butt joint to pipe cap and metal base, compares traditional only with the colloid bonding, and the connected mode is more firm, and then has guaranteed binary channels pyroelectric infrared sensor's life.
Description
Technical Field
The utility model relates to an infrared sensor technical field specifically is a binary channels pyroelectric infrared sensor.
Background
The infrared technology has been widely used in speed measurement systems, many products have been able to realize vehicle speed measurement, detection and other researches by using the infrared technology, and when the infrared technology is applied to the field of speed measurement, it is most difficult to overcome the interference of various infrared-containing light sources such as strong sunlight, and the interference of external light sources becomes the bottleneck of applying the infrared to the field. Aiming at the problem, the design scheme of the infrared speed measurement sensor is provided, the design scheme can provide technical support for multipoint measurement of instant speed and stage acceleration, can be applied to links needing speed measurement in industrial production such as highway speed measurement and production line blanking speed weighing, and the infrared technology is well known and is widely applied to the fields of modern science and technology, national defense science and technology, industrial and agricultural science and technology and the like. Infrared sensing systems are measurement systems using infrared as a medium, and can be classified into five categories according to functions: (1) a radiometer for radiometric and spectroscopic measurements; (2) the searching and tracking system is used for searching and tracking the infrared target, determining the spatial position of the infrared target and tracking the motion of the infrared target; (3) a thermal imaging system capable of generating an image of the distribution of infrared radiation throughout a target; (4) an infrared ranging and communication system; (5) the hybrid system refers to a combination of two or more of the above systems, and the infrared sensor can be classified into: photon detectors and thermal detectors.
However, the existing dual-channel pyroelectric infrared sensor mostly adopts a bonding mode between the pipe cap and the metal base, and because high temperature is easily generated in the installation process, the pipe cap and the metal base are easily loosened, and the dual-channel pyroelectric infrared sensor is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a binary channels pyroelectric infrared sensor reaches the purpose that improves binary channels pyroelectric infrared sensor life.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a binary channels pyroelectric infrared sensor, includes the pipe cap, circuit board and metal base, the top of pipe cap is provided with the window, the inside of window is provided with the light filter, the top fixed mounting of circuit board has support piece, support piece gets top fixed mounting has infrared sensitive unit, the top fixed mounting of circuit board has the field effect transistor, the bottom fixed mounting of circuit board has the pin, metal base's top is provided with the recess, the inside of recess is provided with annotates gluey hole three, the bottom fixedly connected with connecting piece of pipe cap, the top of connecting piece is provided with annotates gluey hole one, the middle part of connecting piece is provided with annotates gluey hole two, metal base's bottom fixed mounting has the heat-conducting plate, the surface cover of pin is equipped with the pipe box.
Preferably, the number of the window, the number of the optical filter and the number of the infrared sensitive elements are two, the two infrared sensitive elements are arranged right below the optical filter, and the two optical filters and the two infrared sensitive elements are arranged in parallel.
Preferably, the pins penetrate through the metal base from top to bottom, and the pipe sleeve is arranged at the bottom of the heat conducting plate.
Preferably, the size of the groove is matched with that of the connecting piece, and the position of the second glue injection hole corresponds to that of the third glue injection hole.
Preferably, the first glue injection hole is communicated with the second glue injection hole.
Preferably, the number of the pins is four, and the four pins are uniformly distributed at the bottom of the circuit board.
The utility model provides a binary channels pyroelectric infrared sensor. The method has the following beneficial effects:
the utility model arranges two connecting blocks at the bottom of the left and right sides of the pipe cap, and arranges a glue injection hole I and a glue injection hole II in the top and middle of the connecting block respectively, and arranges a groove matched with the connecting block in size at the top of the metal base, and arranges a glue injection hole III corresponding to the glue injection hole II in the groove, therefore, when the pipe cap is butted with the metal base, by injecting glue into the glue injection hole I, the glue flows through the glue injection hole II and the glue injection hole III in sequence along the glue injection hole I, after the fixing and forming, the butt joint of the pipe cap and the metal base is completed, compared with the traditional method which only uses glue to bond, the connecting mode is more stable, thereby ensuring the service life of the double-channel pyroelectric infrared sensor, and simultaneously, in order to prevent the phenomenon of false triggering caused by overhigh internal temperature of the pyroelectric infrared sensor, the heat-conducting plate is arranged at the bottom of the metal base, timely with the inside heat of sensor lead away, avoid influencing self result of use, establish the pipe box through the surface cover at the pin and prevent to produce the influence at the installation to the heat-conducting plate, can prevent simultaneously that the pin from splitting, guarantee binary channels pyroelectric infrared sensor's result of use.
Drawings
Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
fig. 3 is a schematic diagram of the side view section structure of the connecting member of the present invention.
In the figure: the device comprises a pipe cap 1, a window 2, an optical filter 3, an infrared sensitive element 4, a support 5, a field effect transistor 6, a circuit board 7, a metal base 8, pins 9, a groove 10, a connecting block 11, a glue injection hole I12, a glue injection hole II 13, a glue injection hole III 14, a heat dissipation plate 15 and a pipe sleeve 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and 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 therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1-3, the utility model provides a technical solution: a dual-channel pyroelectric infrared sensor comprises a tube cap 1, a circuit board 7 and a metal base 8, wherein a window 2 is arranged at the top of the tube cap 1, an optical filter 3 is arranged in the window 2, a support piece 5 is fixedly arranged at the top of the circuit board 7, an infrared sensitive element 4 is fixedly arranged at the top of the support piece 5, the number of the window 2, the optical filter 3 and the infrared sensitive element 4 is two, the two infrared sensitive elements 4 are arranged under the optical filter 3, the two optical filters 3 and the infrared sensitive element 4 are arranged in parallel, a field effect tube 6 is fixedly arranged at the top of the circuit board 7, pins 9 are fixedly arranged at the bottom of the circuit board 7, the number of the pins 9 is four, the four pins 9 are uniformly distributed at the bottom of the circuit board 7, a groove 10 is arranged at the top of the metal base 8, a glue injection hole III 14 is arranged in the groove 10, and the size of the groove 10 is matched with that of a connecting piece 11, the position of the glue injection hole II 13 is arranged corresponding to the position of the glue injection hole III 14, the bottom of the pipe cap 1 is fixedly connected with a connecting piece 11, the top of the connecting piece 11 is provided with a glue injection hole I12, the middle part of the connecting piece 11 is provided with a glue injection hole II 13, the glue injection hole I12 is communicated with the glue injection hole II 13, the bottoms of the left side and the right side of the pipe cap 1 are provided with two connecting blocks 11, the top and the middle of each connecting block 11 are respectively provided with a glue injection hole I12 and a glue injection hole II 13, meanwhile, the top of the metal base 8 is provided with a groove 10 matched with the connecting block 11 in size, and the inside of the groove 10 is provided with a glue injection hole III 14 corresponding to the glue injection hole II 13, therefore, when the pipe cap 1 is butted with the metal base 8, glue is injected into the glue injection hole I12, the glue sequentially flows through the glue injection hole II 13 and the glue injection hole III 14 along with the glue injection hole I12, after the fixing and forming, the butt joint of the pipe cap 1 and the metal base 8 is completed, compared with the tradition only bond with the colloid, connected mode is more firm, and then guaranteed binary channels pyroelectric infrared sensor's life, metal base 8's bottom fixed mounting has heat-conducting plate 15, pin 9's surface cover is equipped with pipe box 16, pin 9 runs through metal base 8 from top to bottom, pipe box 16 sets up the bottom at heat-conducting plate 15, the phenomenon that causes the spurious triggering in order to prevent pyroelectric infrared sensor's inside high temperature during, heat-conducting plate 15 has been set up in metal base 8's bottom, the timely heat with the sensor inside is led away, avoid influencing self result of use, establish pipe box 16 through the surface cover at pin 9 and prevent to produce the influence at the installation to heat-conducting plate 15, can prevent the pin fracture simultaneously, guarantee binary channels pyroelectric infrared sensor's result of use.
The working principle is as follows: two connecting blocks 11 are arranged at the bottoms of the left side and the right side of the pipe cap 1, a glue injection hole I12 and a glue injection hole II 13 are respectively arranged in the top and the middle of the connecting blocks 11, a groove 10 matched with the connecting blocks 11 in size is arranged at the top of the metal base 8, and a glue injection hole III 14 corresponding to the glue injection hole II 13 is arranged in the groove 10, so that when the pipe cap 1 is butted with the metal base 8, glue is injected into the glue injection hole I12, the glue sequentially flows through the glue injection hole II 13 and the glue injection hole III 14 along the glue injection hole I12, after the pipe cap 1 and the metal base 8 are fixedly formed, the butt joint of the pipe cap 1 and the metal base 8 is completed, compared with the traditional method that only glue is used for bonding, the connecting mode is more stable, the service life of the dual-channel pyroelectric infrared sensor is ensured, and meanwhile, in order to prevent the phenomenon of false triggering caused by overhigh internal temperature of the pyroelectric infrared sensor, set up heat-conducting plate 15 in metal base 8's bottom, the timely heat with the sensor inside is led away, avoids influencing self result of use, establishes pipe box 16 through the surface cover at pin 9 and prevents to produce the influence at the installation to heat-conducting plate 15, can prevent simultaneously that the pin from splitting, guarantees binary channels pyroelectric infrared sensor's result of use.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a binary channels pyroelectric infrared sensor, includes pipe cap (1), circuit board (7) and metal base (8), its characterized in that: the top of the pipe cap (1) is provided with a window (2), the inside of the window (2) is provided with an optical filter (3), the top of the circuit board (7) is fixedly provided with a support piece (5), the top of the support piece (5) is fixedly provided with an infrared sensitive element (4), the top of the circuit board (7) is fixedly provided with a field effect tube (6), the bottom of the circuit board (7) is fixedly provided with a pin (9), the top of the metal base (8) is provided with a groove (10), the inside of the groove (10) is provided with a glue injection hole III (14), the bottom of the pipe cap (1) is fixedly connected with a connecting piece (11), the top of the connecting piece (11) is provided with a glue injection hole I (12), the middle of the connecting piece (11) is provided with a glue injection hole II (13), the bottom of the metal base (8) is fixedly provided with a heat conducting plate (15), the surface of the pin (9) is sleeved with a pipe sleeve (16).
2. The dual-channel pyroelectric infrared sensor of claim 1, wherein: the number of the windows (2), the optical filters (3) and the infrared sensitive elements (4) is two, the two infrared sensitive elements (4) are arranged under the optical filters (3), and the two optical filters (3) and the infrared sensitive elements (4) are arranged in parallel.
3. The dual-channel pyroelectric infrared sensor of claim 1, wherein: the pins (9) penetrate through the metal base (8) from top to bottom, and the pipe sleeve (16) is arranged at the bottom of the heat conducting plate (15).
4. The dual-channel pyroelectric infrared sensor of claim 1, wherein: the size of recess (10) and the size looks adaptation of connecting piece (11), the position of injecting glue hole two (13) and the position of injecting glue hole three (14) correspond the setting.
5. The dual-channel pyroelectric infrared sensor of claim 1, wherein: and the first glue injection hole (12) and the second glue injection hole (13) are communicated.
6. The dual-channel pyroelectric infrared sensor of claim 1, wherein: the number of the pins (9) is four, and the four pins (9) are uniformly distributed at the bottom of the circuit board (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120564987.5U CN214407781U (en) | 2021-03-19 | 2021-03-19 | Dual-channel pyroelectric infrared sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120564987.5U CN214407781U (en) | 2021-03-19 | 2021-03-19 | Dual-channel pyroelectric infrared sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214407781U true CN214407781U (en) | 2021-10-15 |
Family
ID=78029457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120564987.5U Active CN214407781U (en) | 2021-03-19 | 2021-03-19 | Dual-channel pyroelectric infrared sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214407781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117458256A (en) * | 2023-10-25 | 2024-01-26 | 无锡市博精电子有限公司 | TO tube seat and preparation method thereof |
-
2021
- 2021-03-19 CN CN202120564987.5U patent/CN214407781U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117458256A (en) * | 2023-10-25 | 2024-01-26 | 无锡市博精电子有限公司 | TO tube seat and preparation method thereof |
| CN117458256B (en) * | 2023-10-25 | 2024-05-07 | 无锡市博精电子有限公司 | TO tube seat and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204422071U (en) | The thermal infrared imager of high temperature measurement accuracy | |
| CN102539012B (en) | Micro area temperature measuring optical fiber Fabry-Perot temperature sensor and measuring method thereof | |
| CN104412572B (en) | Camara module and its manufacturing method for vehicle | |
| CN102128804B (en) | Side wall air inlet/outlet infrared air sensor | |
| CN214407781U (en) | Dual-channel pyroelectric infrared sensor | |
| CN104330172B (en) | A kind of wavefront measurement chip based on electrically-controlled liquid crystal convergence lenticule | |
| CN107341780B (en) | Infrared image preprocessing correction method | |
| CN210603393U (en) | Wireless intelligent vibration temperature sensor | |
| CN201983935U (en) | Pillar four-wheel positioning instrument | |
| CN214251287U (en) | Packaged pyroelectric infrared sensor | |
| CN102620861B (en) | Scaling temperature measuring device in distributed optical fiber temperature sensor | |
| CN208969005U (en) | Dissolved oxygen sensor based on Fluorescence Quenching Principle | |
| CN201681044U (en) | Photoelectric type gas sense module and device thereof | |
| CN210487088U (en) | Pyroelectric infrared sensor | |
| CN208782984U (en) | A kind of more mesh cameras of modularization | |
| CN209310921U (en) | A kind of measuring device of faint parallel illuminance | |
| CN203203806U (en) | 3D four-wheel aligner | |
| CN207711917U (en) | A kind of minute surface blind area detecting lamp | |
| JP2013088248A (en) | Infrared sensor | |
| CN208060019U (en) | Survey optical detector | |
| CN206501582U (en) | A kind of paper monitoring device and printer | |
| CN109579988A (en) | A kind of measuring device and measuring method of faint parallel illuminance | |
| CN208206800U (en) | A kind of excitation of fluorescence and transmitting optical module | |
| CN214251270U (en) | Infrared lens temperature measurement structure | |
| CN204854624U (en) | Quick measuring device in position |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |