CN214252615U - Proximity sensor - Google Patents
Proximity sensor Download PDFInfo
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- CN214252615U CN214252615U CN202120432421.7U CN202120432421U CN214252615U CN 214252615 U CN214252615 U CN 214252615U CN 202120432421 U CN202120432421 U CN 202120432421U CN 214252615 U CN214252615 U CN 214252615U
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Abstract
The utility model provides a proximity sensor, including inductive head, control panel and casing, the inductive head is located the one end of casing, the inductive head is used for responding to the area size that is detected the object and exports corresponding first information to control panel, the inductive head with control panel signal connection, the control panel is located inside the casing, the control panel is used for receiving first information and judgement whether first information reaches the detection threshold value and then exports response signal. The utility model discloses a detect the purpose that a plurality of parts target in place simultaneously, all install when a plurality of parts target in place, area sum reaches when detecting the threshold value promptly, just can output response signal, as long as there is a part not to install target in place, area sum does not reach when detecting the threshold value promptly, can not output response signal.
Description
Technical Field
The utility model belongs to the technical field of the sensor, especially, relate to a proximity sensor.
Background
In the field of automation, various detection sensors are widely used, such as optical fiber sensors, photoelectric sensors, proximity sensors, area sensors, vision sensors, etc., wherein the proximity sensor is the most used sensor, and the proximity sensor is a device capable of sensing the proximity of an object, and it uses the sensitivity of a displacement sensor to the approaching object to recognize the approach of the object and output a corresponding switch signal.
The common proximity sensor can only detect whether a single part exists in a specified distance, cannot detect whether a plurality of parts are in place simultaneously or not, and cannot adapt to a multi-part detection environment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of above-mentioned prior art existence, provide a proximity sensor, solved among the prior art unable simultaneous detection a plurality of parts problem whether target in place.
The utility model provides a proximity sensor, including inductive head, control panel and casing, the inductive head is located the one end of casing, the inductive head is used for responding to the area size that is detected the object and exports corresponding first information to control panel, the inductive head with control panel signal connection, the control panel is located inside the casing, the control panel is used for receiving first information and judgement whether first information reaches the detection threshold value and then exports response signal.
Further, the housing is cylindrical.
Further, still include the pilot lamp, the pilot lamp is located the casing surface, the pilot lamp with control panel signal connection, the control panel is used for controlling the bright of pilot lamp goes out.
Furthermore, the control panel also comprises a detection adjusting mechanism, the detection adjusting mechanism is used for adjusting a detection threshold value, the detection adjusting mechanism is used for judging the size relation between the first information and the detection threshold value and outputting second information, and the indicator lamp is used for switching the on-off state according to the second information.
Further, the induction head comprises a graphene transmission layer, a graphene receiving layer, a first graphene substrate, a second graphene substrate, an insulating layer and a packaging layer, wherein the packaging layer, the graphene receiving layer, the second graphene substrate, the insulating layer, the graphene transmission layer and the first graphene substrate are sequentially stacked from outside to inside.
Further, still include temperature-sensing mechanism, temperature-sensing mechanism locates the casing surface, temperature-sensing mechanism with control panel signal connection, temperature-sensing mechanism is used for responding to the temperature height of detected object and exports corresponding third information to the control panel.
The utility model has the advantages that:
the utility model provides a proximity sensor, the inductive head who utilizes casing one end comes the response and is detected the area size of object, according to area size output corresponding first information to control panel, when first information reaches the detection threshold value, output response signal, the purpose that a plurality of parts target in place has been realized detecting simultaneously, all install when a plurality of parts target in place, area sum reaches when detecting the threshold value promptly, just can output response signal, as long as there is a part not installed and target in place, when area sum does not reach the detection threshold value promptly, can not output response signal.
Drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
Fig. 1 is a schematic view of a half-section internal structure of a proximity sensor according to embodiment 1.
Fig. 2 is a schematic view of the internal structure of a proximity sensor sensing head according to embodiment 1.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1:
referring to fig. 1, embodiment 1 provides a proximity sensor, including inductive head 1, control panel 2, pilot lamp 3 and casing 4, casing 4 is cylindricly, inductive head 1 locates the one end of casing 4, inductive head 1 is used for the response to be detected the area size of object, and output corresponding first information to control panel 2, inductive head 1 and control panel 2 signal connection, inside casing 4 was located to control panel 2, control panel 2 is used for receiving first information, and judge whether first information reaches the detection threshold value and then output response signal, pilot lamp 3 locates the 4 surfaces of casing, pilot lamp 3 and control panel 2 signal connection, control panel 2 is used for controlling the bright of pilot lamp 3 to go out.
The induction head 1 faces the direction of the detected object, generates corresponding first information by sensing the area size of the detected object which is close to the induction head, the first information is analog quantity, the first information is converted into a corresponding detection value after being transmitted to the control panel 2, and because a detection threshold value is preset in the control panel 2 in advance, the detection value after the first information conversion is compared with the detection threshold value, judges whether the first information reaches the detection threshold value, namely judges whether the area size of the detected object reaches the specified area, if so, outputs a response signal, and controls the indicator light 3 to be on; if not, no response signal is output, and the indicator lamp 3 is turned off.
As an embodiment, the control board 2 further includes a detection adjusting mechanism 5, the detection adjusting mechanism 5 is used for adjusting a detection threshold, the detection adjusting mechanism 5 is used for judging the magnitude relation between the first information and the detection threshold and outputting second information, and the indicator light 3 is used for switching the on-off state according to the second information. That is, the detection adjusting mechanism 5 can adjust the detection threshold, which is equivalent to adjusting the detection area threshold of the detected object, and adjust the detection area threshold according to the total area of the number of the parts to be detected, so that the detection adjusting mechanism is suitable for occasions with a large number of parts to be detected, and avoids the problems of individually missing parts, part leakage and the like.
Referring to fig. 2, as an embodiment, the inductive head 1 includes a graphene transmission layer 11, a graphene receiving layer 12, a first graphene substrate 13, a second graphene substrate 14, an insulating layer 15, and an encapsulation layer 16, where the encapsulation layer 16, the graphene receiving layer 12, the second graphene substrate 14, the insulating layer 15, the graphene transmission layer 11, and the first graphene substrate 13 are sequentially stacked from outside to inside. Alternating current is conducted in the graphene transmission layer 11, and an alternating electric field is generated nearby; direct current is conducted in the graphene receiving layer 12, and induced current is generated under the action of an alternating electric field. Under the condition that an object is close or not, the electric field is changed, so that the detected induced current can be changed, and whether the object is close or not is represented through the change of the induced current, so that the close induction is realized. The proximity sensor with good flexibility is realized by utilizing the unique flexibility and good conductivity of the graphene, so that the proximity sensor can be cooperatively applied to flexible electronic products.
As an implementation mode, the temperature sensing device further comprises a temperature sensing mechanism, the temperature sensing mechanism is arranged on the outer surface of the shell 4, the temperature sensing mechanism is in signal connection with the control board 2, and the temperature sensing mechanism is used for sensing the temperature of the detected object and outputting corresponding third information to the control board 2. The temperature sensing mechanism has a Bessel effect and outputs a thermoelectric signal by sensing detection infrared light reflected by a detected object, and particularly, the temperature sensing mechanism absorbs the detection infrared light reflected by an external target object and further outputs the thermoelectric signal by sensing temperature change caused by absorption of the infrared light.
Compared with the prior art, the utility model provides a proximity sensor, the inductive head 1 that utilizes 4 one ends of casing responds to the area size by the detected object, according to area size output corresponding first information to control panel 2, when first information reaches the detection threshold value, output response signal, the purpose that a plurality of parts of simultaneous detection target in place has been realized, all install in place when a plurality of parts, area sum reaches when detecting the threshold value promptly, just can output response signal, as long as there is a part not to install in place, when area sum does not reach the detection threshold value promptly, can not output response signal.
Finally, it should be emphasized that the present invention is not limited to the above-described embodiments, but only to the preferred embodiments of the invention, and is not limited to the embodiments, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (6)
1. The utility model provides a proximity sensor, its characterized in that, includes inductive head, control panel and casing, the inductive head is located the one end of casing, the inductive head is used for responding to the area size of being detected the object and exports corresponding first information to the control panel, the inductive head with control panel signal connection, the control panel is located inside the casing, the control panel is used for receiving first information, and judge whether first information reaches and detects the threshold value and then exports response signal.
2. A proximity sensor as in claim 1, wherein said housing is cylindrical.
3. The proximity sensor of claim 2, further comprising an indicator light disposed on an outer surface of the housing, the indicator light being in signal communication with the control board, the control board being configured to control the on/off of the indicator light.
4. The proximity sensor of claim 3, wherein the control board further comprises a detection adjusting mechanism, the detection adjusting mechanism is used for adjusting a detection threshold value, the detection adjusting mechanism is used for judging the magnitude relation between the first information and the detection threshold value and outputting second information, and the indicator lamp is used for switching on and off states according to the second information.
5. The proximity sensor according to any one of claims 1 to 4, wherein the sensing head comprises a graphene transmission layer, a graphene receiving layer, a first graphene substrate, a second graphene substrate, an insulating layer and an encapsulation layer, and the encapsulation layer, the graphene receiving layer, the second graphene substrate, the insulating layer, the graphene transmission layer and the first graphene substrate are sequentially stacked from outside to inside.
6. The proximity sensor of claim 5, further comprising a temperature sensing mechanism disposed on an outer surface of the housing, wherein the temperature sensing mechanism is in signal connection with the control board, and the temperature sensing mechanism is configured to sense a temperature of the detected object and output corresponding third information to the control board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120432421.7U CN214252615U (en) | 2021-02-26 | 2021-02-26 | Proximity sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120432421.7U CN214252615U (en) | 2021-02-26 | 2021-02-26 | Proximity sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214252615U true CN214252615U (en) | 2021-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120432421.7U Active CN214252615U (en) | 2021-02-26 | 2021-02-26 | Proximity sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214252615U (en) |
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2021
- 2021-02-26 CN CN202120432421.7U patent/CN214252615U/en active Active
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