CN220794264U - Intelligent capacitive sensor - Google Patents
Intelligent capacitive sensor Download PDFInfo
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- CN220794264U CN220794264U CN202322559212.0U CN202322559212U CN220794264U CN 220794264 U CN220794264 U CN 220794264U CN 202322559212 U CN202322559212 U CN 202322559212U CN 220794264 U CN220794264 U CN 220794264U
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- filter screen
- singlechip
- capacitive sensor
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 16
- 230000006698 induction Effects 0.000 claims abstract description 15
- 230000005855 radiation Effects 0.000 claims abstract description 12
- 230000005611 electricity Effects 0.000 claims abstract description 11
- 238000009423 ventilation Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 7
- 239000012535 impurity Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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Abstract
The utility model discloses an intelligent capacitive sensor, which comprises a shell and a heat dissipation structure, wherein the shell is provided with a first heat dissipation structure; a shell: the front end of the device is internally provided with a mounting cylinder, the front side of the interior of the mounting cylinder is respectively provided with an induction electrode, the rear side of the interior of the mounting cylinder is provided with an RC oscillator, the output ends of the induction electrodes are electrically connected with the input end of the RC oscillator, and the rear end of the shell is provided with a connecting wire; the heat dissipation structure comprises: which is arranged in the shell; wherein: the inside of casing is provided with the singlechip, and the input of singlechip is connected to the input electricity of RC oscillator, and the input of singlechip is connected to the output electricity of RC oscillator, and the output of singlechip is connected to the input electricity of connecting wire, heat radiation structure includes fan, apron and ventilation hole, the fan sets up respectively in the mounting hole at both ends about the casing, and this intelligent capacitive sensor can ventilate the heat dissipation voluntarily, has ensured the normal work of sensor, and is more intelligent convenient, and the range of application is wider.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to an intelligent capacitive sensor.
Background
The capacitive sensor is a conversion device for converting a measured physical quantity or mechanical quantity into a change in capacitance change quantity using various types of capacitors as sensing elements, and is actually a capacitor having a variable parameter. Capacitive proximity switches the measurement of such switches is typically made of one plate of a capacitor, while the other plate is the housing of the switch. This housing is typically grounded or connected to the housing of the device during measurement. When an object moves toward the proximity switch, whether it is a conductor or not, the dielectric constant of the capacitor is changed due to its proximity, so that the capacitance is changed, and the state of the circuit connected to the measuring head is changed accordingly, thereby controlling the switch to be turned on or off. The object to be detected by the proximity switch is not limited to a conductor, and may be an insulating liquid or powder. The partial capacitive proximity switch is easily affected by the ambient temperature, and particularly when the detected ambient temperature changes greatly, temperature drift is easily generated, judgment errors occur, and the use is inconvenient.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the intelligent capacitive sensor which can automatically ventilate and dissipate heat, ensure the normal operation of the sensor, is more intelligent and convenient, and can effectively solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an intelligent capacitive sensor comprises a shell and a heat dissipation structure;
a shell: the front end of the device is internally provided with a mounting cylinder, the front side of the interior of the mounting cylinder is respectively provided with an induction electrode, the rear side of the interior of the mounting cylinder is provided with an RC oscillator, the output ends of the induction electrodes are electrically connected with the input end of the RC oscillator, and the rear end of the shell is provided with a connecting wire;
the heat dissipation structure comprises: which is arranged in the shell;
wherein: the inside of casing is provided with the singlechip, and the input electricity of singlechip is connected external power source, and the input of singlechip is connected to RC oscillator's output electricity, and the output of singlechip is connected to the input electricity of connecting wire, can ventilate the heat dissipation voluntarily, has ensured the normal work of sensor, and is more intelligent convenient, and the range of application is wider.
Further, heat radiation structure includes fan, apron and ventilation hole, the fan sets up respectively in the mounting hole at both ends about the casing, and the air inlet end of fan all is provided with filter screen two, and the upper end sliding connection of casing has the apron, and the ventilation hole has been seted up respectively to the inside of apron, and the output of singlechip can be ventilated and dispelled the heat automatically is all connected to the input of fan.
Further, the heat radiation structure also comprises a support and a temperature sensor, the support is arranged in the shell, the temperature sensor is arranged in the support, the output end of the temperature sensor is electrically connected with the input end of the singlechip, and the temperature can be detected.
Further, heat radiation structure still includes filter screen frame and filter screen I, filter screen frame sliding connection is in the upper end of casing, and the inside of filter screen frame is provided with filter screen I, and filter screen I corresponds with the position of ventilation hole, can filter outside impurity.
Further, the heat radiation structure further comprises a limit column and a limit hole, wherein the limit column is arranged at the upper end of the shell respectively, the inside of the filter screen frame is provided with the limit hole corresponding to the limit column respectively, and the filter screen frame is convenient to install.
Further, the rear end of apron is provided with extension board one respectively, has all pegged graft in the jack of extension board one inside, and the equal threaded connection of extrados of bolt has the nut, and the rear end of casing is provided with extension board two respectively, and extension board two and nut cooperation installation are convenient for fix the apron.
Further, both ends all are provided with the fixed plate about the casing, and the fixed orifices has all been seted up to the inside of fixed plate, is convenient for fix the casing.
Compared with the prior art, the utility model has the beneficial effects that: this intelligent capacitive sensor has following benefit:
when using, at first fix this sensor in relevant position through fixed plate and fixed orifices, two induction electrode have constituted a condenser, when the object is close to induction electrode, the inside electric quantity of condenser increases, RC oscillator begins the vibration and sends the signal of telecommunication for the singlechip, the singlechip judges that there is the object to be close to, thereby send the signal of telecommunication to outside receiving equipment through the connecting wire, can be close to whether there is the object to measure, and a controller is convenient for use, temperature sensor detects the inside temperature of casing and sends the testing result to the singlechip, when the inside temperature of casing is higher, singlechip control fan starts the operation, the fan is taken out the inside high temperature air of casing, thereby make this sensor can automatic ventilation and heat dissipation, the normal work of sensor has been ensured, and is more intelligent convenient, through setting up filter screen frame and filter screen one, can prevent the inside of external impurity entering the casing, spacing post and spacing hole have ensured the installation stability of filter screen frame, extension board one, bolt and extension board two can be fixed the filter screen frame, the dismantlement and the change of filter screen frame of being convenient for simultaneously, this intelligent capacitor sensor has further been improved, and has a wide application scope.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal cross-sectional structure of the present utility model;
FIG. 3 is a schematic view of the internal structure of the housing of the present utility model;
fig. 4 is an enlarged schematic view of the structure of the present utility model at a.
In the figure: 1 a shell, 2 a mounting cylinder, 3 an induction electrode, 4RC oscillators, 5 a singlechip, 6 a heat radiation structure, 61 a fan, 62 a cover plate, 63 vent holes, 64 a support, 65 a temperature sensor, 66 a filter screen frame, 67 a filter screen I, 68 a limit column, 69 a limit hole, 7 a first extension plate, 8 bolts, 9 nuts, 10 a second extension plate, 11 a second filter screen, 12 a fixed plate and 13 a fixed hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present embodiment provides a technical solution: an intelligent capacitive sensor comprises a shell 1 and a heat dissipation structure 6;
the shell 1: the sensor is characterized in that an installation cylinder 2 is arranged in a round hole at the front end of the sensor, an induction electrode 3 is arranged at the front side of the inside of the installation cylinder 2, an RC oscillator 4 is arranged at the rear side of the inside of the installation cylinder 2, the output ends of the induction electrodes 3 are electrically connected with the input end of the RC oscillator 4, a connecting wire is arranged at the rear end of the shell 1, fixing plates 12 are arranged at the left end and the right end of the shell 1, fixing holes 13 are formed in the fixing plates 12, when the sensor is used, the sensor is fixed at corresponding positions through the fixing plates 12 and the fixing holes 13, two induction electrodes 3 form a capacitor, when an object is close to the induction electrode 3, the electric quantity in the capacitor is increased, the RC oscillator 4 starts to oscillate and sends an electric signal to the singlechip 5, and the singlechip 5 judges that the object is close to the external receiving equipment, and whether the object is close to the object or not can be measured through the connecting wire;
heat radiation structure 6: the heat dissipation structure 6 is arranged in the shell 1, the heat dissipation structure 6 comprises a fan 61, a cover plate 62 and vent holes 63, the fan 61 is respectively arranged in mounting holes at the left end and the right end of the shell 1, the air inlet end of the fan 61 is provided with a filter screen II 11, the upper end of the shell 1 is slidably connected with the cover plate 62, the vent holes 63 are respectively arranged in the cover plate 62, the input end of the fan 61 is electrically connected with the output end of the singlechip 5, the heat dissipation structure 6 also comprises a bracket 64 and a temperature sensor 65, the bracket 64 is arranged in the shell 1, the inside of the bracket 64 is provided with the temperature sensor 65, the output end of the temperature sensor 65 is electrically connected with the input end of the singlechip 5, the heat dissipation structure 6 also comprises a filter screen frame 66 and a filter screen I67, the filter screen I67 is slidably connected with the upper end of the shell 1, the inside of the filter screen frame 66 is provided with a filter screen I67 corresponding to the position of the vent holes 63, the heat dissipation structure 6 also comprises a limit post 68 and a limit hole 69, the limit posts 68 are respectively arranged at the upper end of the shell 1, limit holes 69 corresponding to the limit posts 68 are respectively formed in the filter screen frame 66, the rear end of the cover plate 62 is respectively provided with an extension plate I7, bolts 8 are respectively inserted into insertion holes in the extension plate I7, the outer cambered surfaces of the bolts 8 are respectively connected with nuts 9 in a threaded manner, the rear end of the shell 1 is respectively provided with an extension plate II 10, the extension plate II 10 is matched with the nuts 9 for installation, the temperature sensor 65 detects the temperature in the shell 1 and sends the detection result to the singlechip 5, when the temperature in the shell 1 is higher, the singlechip 5 controls the fan 61 to start to operate, the fan 61 pumps out high-temperature air in the shell 1, so that the sensor can automatically ventilate and dissipate heat, ensure the normal work of the sensor, is more intelligent and convenient, can prevent that outside impurity from getting into the inside of casing 1, spacing post 68 and spacing hole 69 have guaranteed that filter screen frame 66's installation is stable, and extension board one 7, bolt 8 and extension board two 10 can fix filter screen frame 66, and the dismantlement of filter screen frame 66 and the clearance of filter screen one 67 of also being convenient for are changed simultaneously, have further improved the practicality of this intelligent capacitive sensor, and it is more convenient to use, and the range of application is wider;
wherein: the inside of casing 1 is provided with singlechip 5, and the input of singlechip 5 is connected external power source electricity, and the input of singlechip 5 is connected to the output electricity of RC oscillator 4, and the output of singlechip 5 is connected to the input electricity of connecting wire, and the normal operation of RC oscillator 4, fan 61 and temperature sensor 65 is controlled to singlechip 5.
The working principle of the intelligent capacitive sensor provided by the utility model is as follows: when using, at first fix this sensor in relevant position through fixed plate 12 and fixed orifices 13, two induction electrode 3 have constituted a condenser, when the thing is close to induction electrode 3, the inside electric quantity of condenser increases, RC oscillator 4 begins the vibration and gives singlechip 5 transmission signal, singlechip 5 judges that there is the object to be close to, thereby send the signal to outside receiving equipment through the connecting wire, can be close to having the object to measure, and a service is convenient, temperature sensor 65 detects the inside temperature of casing 1 and sends the testing result to singlechip 5, when the inside temperature of casing 1 is higher, singlechip 5 control fan 61 starts the operation, fan 61 is taken out the inside high temperature air of casing 1, thereby make this sensor can ventilate the heat dissipation automatically, guaranteed the normal work of sensor, it is more intelligent convenient, through setting up filter screen frame 66 and filter screen one 67, can prevent that external impurity from getting into the inside of casing 1, spacing post 68 and spacing hole 69 have ensured that the installation of filter screen frame 66 is stable, extension board one 7, bolt 8 and extension board two 10 can be fixed filter screen 66 also, the filter screen 66 has been convenient for use to change the filter screen that is convenient for use of the filter screen 66, the practicality is further improved to change the wide range, the practicality is more convenient.
It should be noted that, in the above embodiment, the single chip microcomputer 5 may be STC15F102W-35I-SOP8, the RC oscillator 4 may be lm358, the fan 61 may be 125FZY2-S, the temperature sensor 65 may be PT100, and the single chip microcomputer 5 controls the RC oscillator 4, the fan 61 and the temperature sensor 65 to operate by methods commonly used in the prior art.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. An intelligent capacitive sensor, characterized in that: comprises a shell (1) and a heat dissipation structure (6);
shell (1): a mounting cylinder (2) is arranged in a round hole at the front end of the mounting cylinder (2), induction electrodes (3) are respectively arranged at the front side of the interior of the mounting cylinder (2), an RC oscillator (4) is arranged at the rear side of the interior of the mounting cylinder (2), the output ends of the induction electrodes (3) are electrically connected with the input end of the RC oscillator (4), and a connecting wire is arranged at the rear end of the shell (1);
heat radiation structure (6): which is arranged in the shell (1);
wherein: the inside of casing (1) is provided with singlechip (5), and the input of singlechip (5) is connected outside power, and the input of singlechip (5) is connected to the output electricity of RC oscillator (4), and the output of singlechip (5) is connected to the input electricity of connecting wire.
2. An intelligent capacitive sensor according to claim 1, characterized in that: the heat radiation structure (6) comprises a fan (61), a cover plate (62) and vent holes (63), wherein the fan (61) is respectively arranged in mounting holes at the left end and the right end of the shell (1), a filter screen II (11) is arranged at the air inlet end of the fan (61), the cover plate (62) is connected to the upper end of the shell (1) in a sliding manner, the vent holes (63) are respectively formed in the cover plate (62), and the input end of the fan (61) is electrically connected with the output end of the single chip microcomputer (5).
3. An intelligent capacitive sensor according to claim 1, characterized in that: the heat radiation structure (6) further comprises a support (64) and a temperature sensor (65), the support (64) is arranged in the shell (1), the temperature sensor (65) is arranged in the support (64), and the output end of the temperature sensor (65) is electrically connected with the input end of the singlechip (5).
4. An intelligent capacitive sensor according to claim 2, characterized in that: the heat radiation structure (6) further comprises a filter screen frame (66) and a filter screen I (67), the filter screen frame (66) is connected to the upper end of the shell (1) in a sliding mode, the filter screen I (67) is arranged in the filter screen frame (66), and the filter screen I (67) corresponds to the position of the vent hole (63).
5. The intelligent capacitive sensor of claim 4 wherein: the heat radiation structure (6) further comprises a limit column (68) and a limit hole (69), wherein the limit column (68) is respectively arranged at the upper end of the shell (1), and the limit hole (69) corresponding to the limit column (68) is respectively formed in the filter screen frame (66).
6. An intelligent capacitive sensor according to claim 2, characterized in that: the rear end of apron (62) is provided with extension board one (7) respectively, has all pegged graft in the jack of extension board one (7) inside bolt (8), and the equal threaded connection of extrados of bolt (8) has nut (9), and the rear end of casing (1) is provided with extension board two (10) respectively, and extension board two (10) are installed with nut (9) cooperation.
7. An intelligent capacitive sensor according to claim 1, characterized in that: the shell (1) is characterized in that fixing plates (12) are arranged at the left end and the right end of the shell, and fixing holes (13) are formed in the fixing plates (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322559212.0U CN220794264U (en) | 2023-09-20 | 2023-09-20 | Intelligent capacitive sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322559212.0U CN220794264U (en) | 2023-09-20 | 2023-09-20 | Intelligent capacitive sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220794264U true CN220794264U (en) | 2024-04-16 |
Family
ID=90654849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322559212.0U Active CN220794264U (en) | 2023-09-20 | 2023-09-20 | Intelligent capacitive sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220794264U (en) |
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2023
- 2023-09-20 CN CN202322559212.0U patent/CN220794264U/en active Active
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