CN211373844U - Array infrared sensor - Google Patents
Array infrared sensor Download PDFInfo
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- CN211373844U CN211373844U CN201922169158.2U CN201922169158U CN211373844U CN 211373844 U CN211373844 U CN 211373844U CN 201922169158 U CN201922169158 U CN 201922169158U CN 211373844 U CN211373844 U CN 211373844U
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Abstract
The utility model discloses an array infrared sensor, including signal reception module, signal processing module and signal output module, its characterized in that: the output end of the signal receiving module is connected with the input end of the signal processing module, and the output end of the signal processing module is connected with the input end of the signal output module; the signal receiving module comprises an infrared optical filtering system and an infrared signal receiving system, wherein the infrared signal receiving system is a linear or planar array formed by polymerizing a plurality of infrared signal receiving units, each infrared signal receiving unit comprises an infrared sensitive element, and the signal sensitive elements are connected in series; the signal processing module comprises a plurality of signal processing units. The utility model discloses in through to infrared sensor structure and the inside design of sensitive unit, reach the many units output to infrared signal, satisfy market to the miniaturization and the multi-functional demand of electronic product.
Description
Technical Field
The utility model relates to a sensor technical field especially relates to an array infrared sensor.
Background
The infrared sensor is a passive sensor which moves according to an object with an infrared signal, is captured by an infrared sensitive material, and further filters and amplifies the signal. The method has the advantages of high sensitivity and low price, and is widely applied to the civil industry in recent years. At present, the infrared sensor is commonly provided with a binary induction sensor and a quaternary induction sensor, and can be used for inducing the movement of an object. And the existence of the object, the quantity of the object, the local temperature of the object and the like can not be effectively judged, and a plurality of sensors are required to be arranged for detection or a thermopile is applied for detection.
However, a single infrared sensor cannot complete 360-degree detection of signals in an effective area, the number of the sensors needs to be increased by means of a die for detection, and due to structural defects, a certain field-of-view blind area is caused, and the signal processing requirements of the comprehensive single chip microcomputer cannot be directly met.
Disclosure of Invention
The utility model aims at solving the problem that the single infrared sensor can not accomplish 360 surveys to the signal in effective area among the prior art, and an array infrared sensor who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an array infrared sensor comprises a signal receiving module, a signal processing module and a signal output module, wherein the output end of the signal receiving module is connected with the input end of the signal processing module, and the output end of the signal processing module is connected with the input end of the signal output module;
the signal receiving module comprises an infrared optical filtering system and an infrared signal receiving system, wherein the infrared signal receiving system is a linear or planar array formed by polymerizing a plurality of infrared signal receiving units, each infrared signal receiving unit comprises an infrared sensitive element, and the signal sensitive elements are connected in series;
the signal processing module comprises a plurality of signal processing units, can be used for independently processing signals and is divided into two FET analog signal processing modules and an integrated circuit IC digital signal processing module, all the signal processing units are connected in parallel, are output by multiple units and share the same power pin, and the number of built-in units of the signal receiving module and the signal processing module is consistent;
the signal output module processes the output signal of each signal processing unit in the signal processing module and outputs the output signal of each signal source independently.
Preferably, the signal receiving module, each signal receiving unit, can receive the infrared signal within an angular range of 140 °.
Preferably, the signal output module is composed of a PCB board or a ceramic substrate printed with a circuit, and the signal receiving module is fixed above the signal output module and senses the infrared signal filtered by the infrared optical filter.
Preferably, the signal processing module is fixed below the signal output module.
Preferably, the infrared shielding device comprises a pipe cap and a pipe seat, wherein the infrared optical filter is fixedly connected to the pipe cap, the pipe cap and the pipe seat form a closed space for shielding electromagnetic interference, and the signal receiving module, the signal processing module and the signal output module are contained in the space.
Preferably, the base has a downwardly extending lead wire and a terminal electrically connected to each output pin of the signal output module.
Has the advantages that:
1. the utility model discloses in through to infrared sensor structure and the inside design of sensitive unit, reach the many units output to infrared signal, satisfy market to the miniaturization and the multi-functional demand of electronic product.
2. The utility model discloses in the inside multichannel processing and the output that forms signal reception and signal processing system of sensor, the digital type in the past of subversion is handled, and single signal reception form makes each function carry out effectual output.
3. The utility model discloses in can carry out reasonable validation to the scope of surveying and cut apart, really realize the pluralism output of signal.
Drawings
Fig. 1 is a schematic system diagram of the array infrared sensor provided by the present invention.
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.
Referring to fig. 1, an array infrared sensor includes a signal receiving module, a signal processing module and a signal output module, wherein an output end of the signal receiving module is connected with an input end of the signal processing module, and an output end of the signal processing module is connected with an input end of the signal output module;
the signal receiving module comprises an infrared optical filtering system and an infrared signal receiving system, wherein the infrared signal receiving system is a linear or planar array formed by polymerizing a plurality of infrared signal receiving units, each infrared signal receiving unit comprises an infrared sensitive element, and the signal sensitive elements are connected in series;
the signal processing module comprises a plurality of signal processing units, can be used for independently processing signals and is divided into two FET analog signal processing modules and an integrated circuit IC digital signal processing module, all the signal processing units are connected in parallel, are output by multiple units and share the same power pin, and the number of the signal receiving module is consistent with that of the built-in units of the signal processing module;
and the signal output module processes the output signal of each signal processing unit in the signal processing module and independently outputs the output signal of each signal source.
In this embodiment, the signal receiving module, each signal receiving unit, the angle range that can receive the infrared signal is 140 °, the signal output module is composed of a PCB board or a ceramic substrate printed with a circuit, the signal receiving module is fixed above the signal output module, and senses the infrared signal filtered by the infrared optical filter, the signal processing module is fixed below the signal output module, and includes a cap and a socket, the cap is fixedly connected with the infrared optical filter, the cap and the socket form a closed space for shielding electromagnetic interference, and the signal receiving module, the signal processing module and the signal output module are accommodated therein, the socket is provided with a downwardly extending lead, and a terminal electrically connected with each output pin of the signal output module is arranged above the socket.
In the embodiment, the multi-channel processing and output of the signal receiving and signal processing system are formed in the sensor, the prior digital processing and single signal receiving form are overturned, so that effective output of all functions is realized, the multi-element output of infrared signals is realized by designing the structure of the infrared sensor and the inside of a sensitive element, the miniaturization and multi-function requirements of the market on electronic products are met, the detection range can be reasonably and effectively divided, and the multi-element output of signals is really realized.
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 array infrared sensor comprises a signal receiving module, a signal processing module and a signal output module, and is characterized in that: the output end of the signal receiving module is connected with the input end of the signal processing module, and the output end of the signal processing module is connected with the input end of the signal output module;
the signal receiving module comprises an infrared optical filtering system and an infrared signal receiving system, wherein the infrared signal receiving system is a linear or planar array formed by polymerizing a plurality of infrared signal receiving units, each infrared signal receiving unit comprises an infrared sensitive element, and the signal sensitive elements are connected in series;
the signal processing module comprises a plurality of signal processing units, can be used for independently processing signals and is divided into two FET analog signal processing modules and an integrated circuit IC digital signal processing module, all the signal processing units are connected in parallel, are output by multiple units and share the same power pin, and the number of built-in units of the signal receiving module and the signal processing module is consistent; the signal output module processes the output signal of each signal processing unit in the signal processing module and outputs the output signal of each signal source independently.
2. An arrayed infrared sensor according to claim 1, wherein: the signal receiving module and each signal receiving unit can receive infrared signals within an angle range of 140 degrees.
3. An arrayed infrared sensor according to claim 1, wherein: the signal output module is composed of a PCB board or a ceramic substrate printed with a circuit, and the signal receiving module is fixed above the signal output module and used for sensing the infrared signals filtered by the infrared optical filter.
4. An arrayed infrared sensor according to claim 1, wherein: the signal processing module is fixed below the signal output module.
5. An arrayed infrared sensor according to claim 1, wherein: the infrared shielding device comprises a pipe cap and a pipe seat, wherein an infrared optical filter is fixedly connected to the pipe cap, a closed space for shielding electromagnetic interference is formed by the pipe cap and the pipe seat, and a signal receiving module, a signal processing module and a signal output module are contained in the pipe cap and the pipe seat.
6. An arrayed infrared sensor of claim 5 wherein: the tube seat is provided with a lead wire extending downwards, and the upper part of the tube seat is provided with a terminal electrically connected with each output pin of the signal output module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922169158.2U CN211373844U (en) | 2019-12-06 | 2019-12-06 | Array infrared sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922169158.2U CN211373844U (en) | 2019-12-06 | 2019-12-06 | Array infrared sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211373844U true CN211373844U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922169158.2U Active CN211373844U (en) | 2019-12-06 | 2019-12-06 | Array infrared sensor |
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| CN (1) | CN211373844U (en) |
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2019
- 2019-12-06 CN CN201922169158.2U patent/CN211373844U/en active Active
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