CN202511805U - Non-contacting sensor - Google Patents
Non-contacting sensor Download PDFInfo
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- CN202511805U CN202511805U CN2012201095096U CN201220109509U CN202511805U CN 202511805 U CN202511805 U CN 202511805U CN 2012201095096 U CN2012201095096 U CN 2012201095096U CN 201220109509 U CN201220109509 U CN 201220109509U CN 202511805 U CN202511805 U CN 202511805U
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Abstract
The utility model discloses a non-contacting sensor, which comprises an inductive conducting wire, a first capacitor, a second capacitor, an inductor and a processor, wherein the processor is provided with a first input end, a second input end, a third input end and an output switch used for connecting an external circuit, and the first capacitor is electrically connected between the second input end and the first input end of the processor; a series branch formed by connecting the inductor with the second capacitor in series is electrically connected between the second input end and the third input end of the processor; and one end of the inductive conducting wire is electrically connected with the second input end of the processor, and the other end of the inductive conducting wire is electrically connected with the third input end of the processor. The non-contacting sensor analyzes the change of the electronic quantity on the inductive conducting wire as outside objects are close to or next to the inductive conducting wire through the processor; after a filter circuit composed of the first capacitor, the inductor and the second capacitor carries out adjustment, the processor receives the change value of the electronic quantity; and the output state is controlled or changed according to the change degree of the electronic quantity, and the function of the non-contacting sensor is realized.
Description
Technical field
The utility model relates to electronic technology field, relates in particular to a kind of non-contact sensor.
Background technology
Sensor is a kind of pick-up unit; Can experience measured information; And the information that can detection be experienced, be for conversion into the information output of electric signal or other desired forms according to certain rules, to satisfy requirements such as transmission of Information, processing, storage, demonstration, record and control.It is a primary link of realizing detection automatically and automatic control.
Divide according to custom; Often sensor is compared with the mankind's five big sense organs mutually, is respectively: the light sensor corresponding with vision, with the corresponding acoustic sensor of the sense of hearing, with the corresponding chemical sensor of the sense of taste, with corresponding gas sensor of sense of smell and pressure-sensitive, temperature sensitive, the fluid sensor corresponding with sense of touch.These above-mentioned sensors need be discerned the special characteristic of sensing object, usually can receive the influence of magnetic field, light and static, and antijamming capability is not enough.
The utility model content
To the weak point that exists in the above-mentioned technology, the utility model provides a kind of antijamming capability good non-contact sensor, can external object near or when pressing close to, realize the function of noncontact sensing.
For realizing above-mentioned purpose; The utility model provides a kind of non-contact sensor; Comprise sensor wire, first electric capacity, second electric capacity, inductance and processor; Said processor has first input end, second input end, the 3rd input end and is used to be connected the output switch of external circuit, and said first electric capacity is electrically connected between the first input end and second input end of said processor; The series arm that the said inductance and second capacitances in series are formed is electrically connected between second input end and the 3rd input end of processor; Said sensor wire one end is electrically connected with second input end of processor, and its other end is electrically connected with the 3rd input end of processor.
Wherein, said non-contact sensor also comprises metallic conductor, and said metallic conductor is electrically connected with sensor wire.
Wherein, said sensor wire is one or more.
The beneficial effect of the utility model is: compared with prior art; The non-contact sensor that the utility model provides; Through processor analyze on the sensor wire because of external object near or the electron amount pressing close to cause change, after the filtering circuit that first electric capacity, inductance and second electric capacity are formed was adjusted, processor received the changing value of this electron amount; According to extent control or the change output state that electron amount changes, realize the function of noncontact sensing.
Description of drawings
Fig. 1 is the circuit diagram of the non-contact sensor of the utility model.
The main element symbol description is following:
10, sensor wire 11, first electric capacity
12, second electric capacity 13, inductance
14, processor 15, metallic conductor
A, first input end B, second input end
C, the 3rd input end K, output switch
Embodiment
In order more clearly to explain the utility model, the utility model is done to describe further below in conjunction with accompanying drawing.
See also Fig. 1; A kind of non-contact sensor that the utility model provides; Comprise sensor wire 10, first electric capacity 11, second electric capacity 12, inductance 13 and processor 14; Processor 14 has first input end A, the second input end B, the 3rd input end C and the output K switch that is used to be connected external circuit, and first electric capacity 11 is electrically connected between the first input end A and the second input end B of processor 14; The series arm that the inductance 13 and second electric capacity 12 are composed in series is electrically connected between the second input end B and the 3rd input end C of processor 14; Sensor wire 10 1 ends are electrically connected with the second input end B of processor 14, and its other end is electrically connected with the 3rd input end C of processor 14, and the output switch of processor 14 will be exported signal conveys in external circuit.
Situation compared to prior art; The non-contact sensor that the utility model provides; Through processor analyze on the sensor wire because of external object near or the electron amount pressing close to cause change, after the filtering circuit that first electric capacity, inductance and second electric capacity are formed was adjusted, processor received the changing value of this electron amount; Degree according to electron amount changes is controlled or the change output state through the output K switch, realizes the function of noncontact sensing.
In the present embodiment, above-mentioned non-contact sensor also comprises metallic conductor 15, and metallic conductor 15 is electrically connected with sensor wire 10.It is understandable that; The utility model is not limited to type, material, shape and the quantity of metallic conductor 15; So long as metallic conductor 15 and sensor wire 10 are electrically connected, the sensing capability that the electron amount of enhance induction lead 10 changes is after confession processor 14 is gathered and analyzed; Extent control or change output state according to the electron amount variation; Realize the embodiment of noncontact sensing function, all belong to simple deformation or conversion, fall into the protection domain of the utility model the utility model.
In the present embodiment, above-mentioned sensor wire 10 is one or more.It is understandable that; The utility model is not limited to type, material, shape and the quantity of sensor wire 10, so long as utilize the electron amount of sensor wire 10 to change, and after confession processor 14 is gathered and is analyzed; Extent control or change output state according to the electron amount variation; Realize the embodiment of noncontact sensing function, all belong to simple deformation or conversion, fall into the protection domain of the utility model the utility model.
Traditional sensor generally is by the conductive surface of inside circuit connection or through magnetic matchmaker sensing or light matchmaker sensing or static sensing or the like through the human body contact.The utility model is different from traditional sensor and is there is not exposed conductor, does not receive influence of magnetic field, not rung by the light shadow, does not receive electrostatic influence.Under the condition that insulate fully in lead that can be connected by inside circuit or metallic conductor surface; Even at a distance from the last non-metallic objectsit is not a metal object that is as thin as very much several millimeters thick; For example: paper, cloth, plastics, glass, plank etc. all can and can play control or change output state by induction.
The advantage of the utility model is: connect or do not connect sheet metal through one or more lead; Through the electron amount on connected lead of processor Collection and analysis or the sheet metal; By external object near or press close to and change or after the electron amount that loses acquires a certain degree; And then the state of control or change output, the function of realization noncontact sensing.
The range of application of the non-contact sensor of the utility model has: non-contact level sensing, insulation soft-touch control, object are near inductive switch, and the object occupied space is surveyed, robot neuron sensor-based system, emulation people or artificial animal dermoreaction system or the like.
More than the disclosed several specific embodiments that are merely the utility model, but the utility model is not limited thereto, any those skilled in the art can think variation all should fall into the protection domain of the utility model.
Claims (3)
1. non-contact sensor; It is characterized in that; Comprise sensor wire, first electric capacity, second electric capacity, inductance and processor; Said processor has first input end, second input end, the 3rd input end and is used to be connected the output switch of external circuit, and said first electric capacity is electrically connected between the first input end and second input end of said processor; The series arm that the said inductance and second capacitances in series are formed is electrically connected between second input end and the 3rd input end of processor; Said sensor wire one end is electrically connected with second input end of processor, and its other end is electrically connected with the 3rd input end of processor.
2. non-contact sensor according to claim 1 is characterized in that said non-contact sensor also comprises metallic conductor, and said metallic conductor is electrically connected with sensor wire.
3. non-contact sensor according to claim 1 and 2 is characterized in that, said sensor wire is one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201095096U CN202511805U (en) | 2012-03-21 | 2012-03-21 | Non-contacting sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201095096U CN202511805U (en) | 2012-03-21 | 2012-03-21 | Non-contacting sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202511805U true CN202511805U (en) | 2012-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201095096U Expired - Fee Related CN202511805U (en) | 2012-03-21 | 2012-03-21 | Non-contacting sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN202511805U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865884A (en) * | 2012-03-21 | 2013-01-09 | 李彤阳 | Non-contact sensor |
| CN108267786A (en) * | 2016-12-30 | 2018-07-10 | 十速兴业科技（深圳）有限公司 | Non-contact proximity sensing device |
-
2012
- 2012-03-21 CN CN2012201095096U patent/CN202511805U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865884A (en) * | 2012-03-21 | 2013-01-09 | 李彤阳 | Non-contact sensor |
| CN108267786A (en) * | 2016-12-30 | 2018-07-10 | 十速兴业科技（深圳）有限公司 | Non-contact proximity sensing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20150321 |
|
| EXPY | Termination of patent right or utility model |