CN211786101U - Infrared range sensor - Google Patents
Infrared range sensor Download PDFInfo
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- CN211786101U CN211786101U CN201922135472.9U CN201922135472U CN211786101U CN 211786101 U CN211786101 U CN 211786101U CN 201922135472 U CN201922135472 U CN 201922135472U CN 211786101 U CN211786101 U CN 211786101U
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- 238000005259 measurement Methods 0.000 abstract description 5
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Abstract
The utility model discloses an infrared interval distance sensor, which comprises a logic signal processor for processing signals, a current-limiting resistor, a divider resistor, an infrared emitting diode and an infrared receiving diode for measuring distance signals; the logic signal processor is respectively connected with the infrared emitting diode and the infrared receiving diode; the voltage dividing resistor is connected between the infrared receiving diode and the logic signal processor, and the current limiting resistor is connected between the infrared emitting diode and the logic signal processor. The utility model is connected with a product, when an opaque object enters a set distance interval, the logic signal output of the sensor can be changed, and the logic signal output is recovered after the object leaves the distance of the measuring interval; the sensor does not need to adopt a complex mechanical structure, so the installation is simple, the sensor only needs to be directly opposite to a position interval to be measured, the cost of produced components is low, and the interval size setting measurement can be realized.
Description
Technical Field
The utility model belongs to the technical field of distance position sensor and specifically relates to an infrared interval distance sensor.
Background
At present, some infrared distance sensors can only detect the distance of a specific point, a plurality of point distance detection devices are required to be arranged in a complex manner for detecting the distance in an interval range, meanwhile, because the detection devices work more, the storage response is slow in the using process, the cost per se is high, and because of the problem of structural limit, only 1 point can be used for detection, and multi-point or continuous point detection cannot be formed.
Therefore, improvements to the prior art are yet to be made.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an interval distance sensor of infrared aims at solving current distance sensor and need adopt interval detection mode to measure, and the production installation is more complicated, makes the with high costs of original paper to and can't realize the technical problem that multiple spot, continuous point location were listened.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: an infrared interval distance sensor comprises a logic signal processor for processing signals, a current limiting resistor, a voltage dividing resistor, an infrared emitting diode and an infrared receiving diode for measuring distance signals; the logic signal processor is respectively connected with the infrared emitting diode and the infrared receiving diode; the voltage dividing resistor is connected between the infrared receiving diode and the logic signal processor, and the current limiting resistor is connected between the infrared emitting diode and the logic signal processor.
The infrared interval distance sensor is characterized in that the logic signal processor comprises a distance signal conversion processing module, and the distance signal conversion processing module is respectively connected with the infrared emitting diode and the infrared receiving diode.
The infrared interval distance sensor is characterized in that the resistance value of the current limiting resistor is 100 ohms.
The infrared interval distance sensor is characterized in that the resistance value of the divider resistor is 20K ohms.
The infrared interval distance sensor is characterized in that the logic signal processor is also connected with the signal generator.
The infrared interval distance sensor is integrated on a PCB, and the shell is made of plastic materials.
Has the advantages that: the utility model is connected with a product, and in the set distance interval, when an opaque object enters the set distance interval, the logic signal output of the sensor is changed, and the logic signal output is recovered after the object leaves the distance of the measuring interval; the sensor does not need to adopt a complex mechanical structure, so the installation is simple, the sensor only needs to be directly opposite to a position interval to be measured, the cost of produced components is low, and the interval size setting measurement can be realized.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is another block diagram of the overall structure of the present invention
Fig. 3 is a circuit diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail below with reference to the accompanying drawings and examples.
As shown in fig. 1-3, the utility model discloses an infrared interval distance sensor, which comprises a logic signal processor 1 for processing signals, a current limiting resistor 2, a divider resistor 3, an infrared emitting diode 4 and an infrared receiving diode 5 for measuring distance signals; the logic signal processor 1 is respectively connected with an infrared emitting diode 4 and an infrared receiving diode 5; the voltage dividing resistor 3 is connected between the infrared receiving diode 5 and the logic signal processor 1, and the current limiting resistor 2 is connected between the infrared emitting diode 4 and the logic signal processor 1.
After the structure of the oil adding device is adopted, the utility model discloses a through infrared emission diode is infrared at the interval internal transmission of setting for, and get into this setting for the interval as the object, infrared receiving diode just receives the light of reflection back, so distance sensor is farther, then the reflection is weaker more, so the infrared light that leads to the wiring of sensor along with the distance change of object reflection changes, so infrared receiving diode gives the signal of receiving good feedback to logic signal processor, receive the strong and weak contrast of light and just can judge the interval that the thing originally was located when the interval was set for by logic signal processor according to the setting for again, so can realize the multiple spot, the continuous point is listened. Simultaneously because the utility model discloses need not to adopt complicated mechanical structure, so the production installation is simple to the components and parts of production are with low costs, so the cost of production is low.
The infrared interval distance sensor, wherein, logic signal processor 1 includes distance signal conversion processing module 10, distance signal conversion processing module 10 is connected with infrared emitting diode 4 and infrared receiving diode 5 respectively, so can compare the signal of telecommunication that infrared receiving diode received according to the received light intensity of settlement, obtain received light intensity, carry out calculation processing by distance signal conversion processing module again to obtain the position that the object was located.
The infrared interval distance sensor is characterized in that the resistance value of the current limiting resistor 2 is 100 ohms.
The infrared interval distance sensor is characterized in that the resistance value of the divider resistor 3 is 20K ohms.
The infrared interval distance sensor, wherein, the logic signal processor 1 is also connected with the signal generator 6.
The infrared interval distance sensor, wherein the infrared distance sensor 100 is integrated on a PCB board, and the housing is made of plastic material.
The infrared distance sensor can detect an object capable of reflecting infrared light; meanwhile, the detected distance is set according to the detected object elasticity. So the utility model discloses easy to assemble, the shell is fixed, direct fixation can, the installation and simple.
As shown in table 4, the signal generator corresponds to a list of individual pin pair connections.
The chip in table 4 is a logic signal processor.
Table 4:
| pin | Pin description | Description of the function | Parameter(s) | Remarks for note |
| - | Negative pole of power supply | Power input | 5V cathode | Chip power supply |
| + | Power supply anode | Power input | 5V positive electrode | Chip power supply |
| S+ | Output pin | S + outputs high level in range and low level outside range | 10MA output current | Chip IO port driver |
| S- | Output pin | S-output high level in range and low level out of range | 10MA output current | Chip IO port driver |
The working principle is as follows: when the device is used for measurement, the light rays reflected by the object are detected, and digital conversion is carried out according to the brightness when the reflected light rays are received back; therefore, when the object to be measured is close to the sensor, the sensor receives infrared light and reflects the infrared light, the farther the object is reflected, the weaker the object is reflected, and the closer the object is reflected, the stronger the object is reflected; the object causes a change in the infrared light of the wiring of the sensor as the distance changes; therefore, the position of the object in the interval can be judged by comparing the intensity of the received light when the interval is set and converting the distance signal according to the intensity of the reflected light. The utility model discloses infrared distance sensor carries out distance interval through above-mentioned principle and listens.
When the sensor is used, the sensor is directly fixed and aligned in a region needing to be detected, and the shell is made of plastic materials except metal. The utility model discloses infrared distance sensor carries out the interval through above-mentioned principle and listens, and the installation is simple, only need with this sensor fixed alignment in the interval that needs were listened can to the components and parts of production are with low costs, can cross the object and get into interval measurement.
The utility model is connected with a product, and in the set distance interval, when an opaque object enters the set distance interval, the logic signal output of the sensor is changed, and the logic signal output is recovered after the object leaves the distance of the measuring interval; the sensor does not need to adopt a complex mechanical structure, so the installation is simple, the sensor only needs to be directly opposite to a position interval to be measured, the cost of produced components is low, and the interval size setting measurement can be realized. Furthermore, the utility model discloses an infrared distance sensor is small, the installation is simple.
The above is a preferred embodiment of the present invention, and certainly not to limit the scope of the present invention, it should be noted that, for those skilled in the art, modifications or equivalent substitutions of the technical solutions of the present invention without creative efforts may not depart from the protection scope of the technical solutions of the present invention.
Claims (6)
1. An infrared interval distance sensor is characterized by comprising a logic signal processor for processing signals, a current limiting resistor, a voltage dividing resistor, an infrared emitting diode and an infrared receiving diode for measuring distance signals; the logic signal processor is respectively connected with the infrared emitting diode and the infrared receiving diode; the voltage dividing resistor is connected between the infrared receiving diode and the logic signal processor, and the current limiting resistor is connected between the infrared emitting diode and the logic signal processor.
2. The infrared range sensor of claim 1, wherein said logic signal processor comprises a range signal conversion processing module, said range signal conversion processing module being connected to said infrared emitting diode and said infrared receiving diode, respectively.
3. The infrared range sensor according to claim 2, characterized in that said current limiting resistor has a resistance of 100 ohms.
4. An infrared range sensor according to claim 3, wherein said voltage dividing resistor has a resistance of 20K ohms.
5. The infrared range sensor of claim 1, wherein said logic signal processor is further coupled to a signal generator.
6. The infrared inter-zone distance sensor of claim 1, wherein the infrared distance sensor is integrated on a PCB board and the housing is a plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922135472.9U CN211786101U (en) | 2019-12-03 | 2019-12-03 | Infrared range sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922135472.9U CN211786101U (en) | 2019-12-03 | 2019-12-03 | Infrared range sensor |
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| Publication Number | Publication Date |
|---|---|
| CN211786101U true CN211786101U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922135472.9U Expired - Fee Related CN211786101U (en) | 2019-12-03 | 2019-12-03 | Infrared range sensor |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834469A (en) * | 2021-09-23 | 2021-12-24 | 深圳市微特精密科技股份有限公司 | Method and device for identifying flattening calibration of DUT (device under test) by infrared reflection sensor |
-
2019
- 2019-12-03 CN CN201922135472.9U patent/CN211786101U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834469A (en) * | 2021-09-23 | 2021-12-24 | 深圳市微特精密科技股份有限公司 | Method and device for identifying flattening calibration of DUT (device under test) by infrared reflection sensor |
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Granted publication date: 20201027 |