CN205593541U - Remote analog output sensor of high -speed response - Google Patents
Remote analog output sensor of high -speed response Download PDFInfo
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- CN205593541U CN205593541U CN201620106151.XU CN201620106151U CN205593541U CN 205593541 U CN205593541 U CN 205593541U CN 201620106151 U CN201620106151 U CN 201620106151U CN 205593541 U CN205593541 U CN 205593541U
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Abstract
The utility model relates to a remote analog output sensor of high -speed response establishes the probe body of responding to electrode and shielding layer in it includes, the sensor is still including the high frequency LC oscillation circuit, FV converting circuit, signal processing amplifier circuit and the analog signal output circuit that connect gradually. Analog signal output circuit comprises third comparator, fourth comparator, electric capacity C3, electric capacity C4, resistance R9, R10, R11, R12. The utility model discloses proximity sensor compares with ordinary proximity sensor, matches under the condition at cost and overall dimension, the utility model discloses can proximity sensor's response time reach 0.5 millisecond, detection distance 3 4 times as much as that of the detection distance of ordinary sensor to can realize the long range detection, furthermore, the utility model discloses an analog signal output data, it has strict demand, detection distance great occasion again to mechanical structure to mounting dimension very to be applicable to to be applicable to the occasion that needs analog signal transmit data.
Description
Technical field:
This utility model belongs to sensor technical field, refers in particular to a kind of high-speed response remote analog output sensor.
Background technology:
In sensor field, whether pass by or present, all there is a universal contradiction: i.e. the contradiction of the distance length of the overall dimensions size of sensor and its detection, particularly as follows: detecting distance to be made is long, it is necessary for selecting powerful parts, also result in overall dimensions to strengthen, one of consequence so caused increases with regard to material, cost is difficult to reduce, it two will be made troubles to installation, particularly just seem in the case of installing space is limited and bother very much, even do not install time serious, and, existing proximity transducer is difficult to high-speed response, response speed relative delay.
On the other hand, some field is such as: tension control system, deviation-rectifying system, range finding etc. need to use analogue signal to transmit data, and only digital transducer cannot meet needs.
Utility model content:
The purpose of this utility model is i.e. to overcome the above-mentioned weak point of prior art, a kind of high-speed response remote analog output sensor is provided, it can be on the premise of not changing size sensor, significantly shorten response time, significantly improve the detecting distance of sensor, and be applicable to the occasion of analog signals transmission data.
The technical solution adopted in the utility model is: a kind of high-speed response remote analog output sensor, it sets the probe body of induction electrode and screen layer in including, this sensor also includes high frequency LC oscillating circuit, F/V change-over circuit, signal processing amplifying circuit and the analog signal output circuit being sequentially connected with, wherein:
Described high frequency LC oscillating circuit is made up of the first comparator, electric capacity C1, resistance R1, R2, R3, R4, R5, R6, and wherein, the positive input terminal of the first comparator connects resistance R1, R2, and negative input end connects resistance R4 and electric capacity C1, electric capacity C1 one end ground connection；One end of resistance R5 connects resistance R4 and the common port of electric capacity C1, another termination power；One end of resistance R6 connects resistance R4 and the common port of electric capacity C1, other end ground connection；One end of resistance R3 connects the negative input end of the first comparator, and the other end connects the outfan of the first comparator.
The outfan of the first comparator of described high frequency LC oscillating circuit connects F/V change-over circuit by a resistance R7, and described F/V change-over circuit is made up of the second comparator, electric capacity C2, adjustable resistance R8；Wherein, the positive input terminal of the second comparator connects resistance R7；One end of electric capacity C2 also positive input terminal with the second comparator is connected, other end ground connection；The negative input end of the second comparator connects described adjustable resistance R8.
The outfan of the second comparator of described F/V change-over circuit connects signal processing amplifying circuit, described signal processing amplifying circuit is made up of audion Q and diode D, wherein, the colelctor electrode of audion Q is connected with the outfan of described second comparator, and the base stage of audion Q also connects the second comparator；The emitter and collector of the two ends of diode D connecting triode Q respectively, the emitter and collector of audion Q is connected with analog signal output circuit the most respectively.
Described analog signal output circuit is made up of the 3rd comparator, the 4th comparator, electric capacity C3, electric capacity C4, resistance R9, R10, R11, R12, wherein, the positive input terminal of the 3rd comparator is connected with the colelctor electrode of audion Q, and negative input end is connected with the emitter stage of audion Q；The outfan of the 3rd comparator is connected by the positive input terminal of resistance R9 and the 4th comparator, and one end of electric capacity C3 is connected with the 3rd comparator, other end ground connection；The negative input end of the 4th comparator be connected with resistance R10 after with the earth terminal common ground of electric capacity C3；The outfan of the 4th comparator connects simulation signal output port, resistance R11, resistance R12 respectively, and the other end of resistance R11 connects power supply, and the other end of resistance R12 connects ground connection after LED light D3；One end of electric capacity C4 is connected with the 4th comparator, the other end and display lamp D3 earth terminal common ground.
Pass through technique scheme, this utility model proximity transducer is compared with common proximity transducer, in the case of cost and overall dimensions are suitable, the response time of this utility model proximity transducer can reach 0.5 millisecond, the detecting distance of 3-4 times of ordinary sensors of detecting distance, such that it is able to realize remote detection；And, this utility model uses analog signal output data, therefore, this utility model sensor is very suitable for having, for frame for movement, an occasion that strict demand, detecting distance are the biggest to installation dimension, and is applicable to analog signals and transmits the occasion of data.
Accompanying drawing illustrates:
Fig. 1 is the structured flowchart of this utility model sensor；
Fig. 2 is the circuit diagram of this utility model sensor；
Fig. 3 is the range finding design sketch of this utility model sensor.
Detailed description of the invention:
Below in conjunction with specific embodiments and the drawings, this utility model is further illustrated.
As shown in FIG. 1 to 3, a kind of high-speed response remote analog output sensor described in the utility model, it sets the probe body 1 of induction electrode 11 and screen layer 12 in including, described sensor also includes high frequency LC oscillating circuit 2 (it produces source as alternating magnetic field), F/V change-over circuit 3 (it is as signal trigger), signal processing amplifying circuit 4 (it is as processing amplifier) and the analog signal output circuit 5 (it is as the D/A conversion processor of digital signal converting analogue signals, and exports analogue signal) being sequentially connected with.
Specifically, described high frequency LC oscillating circuit 2 is made up of the first comparator 21, electric capacity C1, resistance R1, R2, R3, R4, R5, R6, and wherein, the positive input terminal of the first comparator connects resistance R1, R2, negative input end connects resistance R4 and electric capacity C1, electric capacity C1 one end ground connection；One end of resistance R5 connects resistance R4 and the common port of electric capacity C1, another termination power；One end of resistance R6 connects resistance R4 and the common port of electric capacity C1, other end ground connection；One end of resistance R3 connects the negative input end of the first comparator, and the other end connects the outfan of the first comparator.
The outfan of the first comparator 21 of described high frequency LC oscillating circuit 2 connects F/V change-over circuit 3 by a resistance R7, and described F/V change-over circuit is made up of the second comparator 31, electric capacity C2, adjustable resistance R8；Wherein, the positive input terminal of the second comparator 31 connects resistance R7, i.e. connects the outfan of the first comparator in described high frequency LC oscillating circuit by resistance R7；One end of electric capacity C2 also positive input terminal with the second comparator 31 is connected, other end ground connection；The negative input end of the second comparator 31 connects described adjustable resistance R8.
The outfan of the second comparator 31 of described F/V change-over circuit 3 connects signal processing amplifying circuit 4, described signal processing amplifying circuit 4 is made up of audion Q and diode D, wherein, audion Q is NPN type triode, the colelctor electrode of audion Q is connected with the outfan of described second comparator 31, and the base stage of audion Q also connects the second comparator 31；The emitter and collector of the two ends of diode D connecting triode Q respectively, the emitter and collector of audion Q is connected with analog signal output circuit 5 the most respectively.
Described analog signal output circuit 5 is made up of the 3rd comparator the 51, the 4th comparator 52, electric capacity C3, electric capacity C4, resistance R9, R10, R11, R12, by arranging two comparators in analog signal output circuit, thus accelerate D/A speed of conversion processing, shorten response time, reach high-speed response.Wherein, the positive input terminal of the 3rd comparator 51 is connected with the colelctor electrode of audion Q, and negative input end is connected with the emitter stage of audion Q；The outfan of the 3rd comparator 51 is connected by the positive input terminal of resistance R9 and the 4th comparator 52, and one end of electric capacity C3 is connected with the 3rd comparator 51, other end ground connection；The negative input end of the 4th comparator 52 be connected with resistance R10 after with the earth terminal common ground of electric capacity C3；The outfan of the 4th comparator 52 connects simulation signal output port, resistance R11, resistance R12 respectively, and the other end of resistance R11 connects power supply, and the other end of resistance R12 connects ground connection after LED light D3；One end of electric capacity C4 is connected 52 with the 4th comparator, the other end and display lamp D3 earth terminal common ground.Exported by analog signals, solve the actual demand of the application such as client's tension force control.So, on the basis of not increasing or somewhat increase some cost, the problem solving foregoing description, meet the actual demand of application.
This utility model proximity transducer is compared with common proximity transducer, in the case of cost and overall dimensions are suitable, the response time of this utility model proximity transducer can reach 0.5 millisecond, the detecting distance of 3-4 times of ordinary sensors of detecting distance, such that it is able to realize remote detection；And, this utility model uses analog signal output data, therefore, this utility model sensor is very suitable for having, for frame for movement, an occasion that strict demand, detecting distance are the biggest to installation dimension, and is applicable to analog signals and transmits the occasion of data.
Claims (1)
1. a high-speed response remote analog output sensor, it sets the probe body of induction electrode and screen layer in including, this sensor also includes high frequency LC oscillating circuit, F/V change-over circuit, signal processing amplifying circuit and the analog signal output circuit being sequentially connected with, it is characterised in that:
Described high frequency LC oscillating circuit is made up of the first comparator, electric capacity C1, resistance R1, R2, R3, R4, R5, R6, and wherein, the positive input terminal of the first comparator connects resistance R1, R2, and negative input end connects resistance R4 and electric capacity C1, electric capacity C1 one end ground connection；One end of resistance R5 connects resistance R4 and the common port of electric capacity C1, another termination power；One end of resistance R6 connects resistance R4 and the common port of electric capacity C1, other end ground connection；One end of resistance R3 connects the negative input end of the first comparator, and the other end connects the outfan of the first comparator；
The outfan of the first comparator of described high frequency LC oscillating circuit connects F/V change-over circuit by a resistance R7, and described F/V change-over circuit is made up of the second comparator, electric capacity C2, adjustable resistance R8；Wherein, the positive input terminal of the second comparator connects resistance R7；One end of electric capacity C2 also positive input terminal with the second comparator is connected, other end ground connection；The negative input end of the second comparator connects described adjustable resistance R8；
The outfan of the second comparator of described F/V change-over circuit connects signal processing amplifying circuit, described signal processing amplifying circuit is made up of audion Q and diode D, wherein, the colelctor electrode of audion Q is connected with the outfan of described second comparator, and the base stage of audion Q also connects the second comparator；The emitter and collector of the two ends of diode D connecting triode Q respectively, the emitter and collector of audion Q is connected with analog signal output circuit the most respectively；
Described analog signal output circuit is made up of the 3rd comparator, the 4th comparator, electric capacity C3, electric capacity C4, resistance R9, R10, R11, R12, wherein, the positive input terminal of the 3rd comparator is connected with the colelctor electrode of audion Q, and negative input end is connected with the emitter stage of audion Q；The outfan of the 3rd comparator is connected by the positive input terminal of resistance R9 and the 4th comparator, and one end of electric capacity C3 is connected with the 3rd comparator, other end ground connection；The negative input end of the 4th comparator be connected with resistance R10 after with the earth terminal common ground of electric capacity C3；The outfan of the 4th comparator connects simulation signal output port, resistance R11, resistance R12 respectively, and the other end of resistance R11 connects power supply, and the other end of resistance R12 connects ground connection after LED light D3；One end of electric capacity C4 is connected with the 4th comparator, the other end and display lamp D3 earth terminal common ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620106151.XU CN205593541U (en) | 2016-02-02 | 2016-02-02 | Remote analog output sensor of high -speed response |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620106151.XU CN205593541U (en) | 2016-02-02 | 2016-02-02 | Remote analog output sensor of high -speed response |
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| CN205593541U true CN205593541U (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620106151.XU Expired - Fee Related CN205593541U (en) | 2016-02-02 | 2016-02-02 | Remote analog output sensor of high -speed response |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303700A (en) * | 2018-01-05 | 2018-07-20 | 东莞市中昊自动化科技有限公司 | It can be used for the extra small light spot laser sensor of super-small of small items detection |
-
2016
- 2016-02-02 CN CN201620106151.XU patent/CN205593541U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303700A (en) * | 2018-01-05 | 2018-07-20 | 东莞市中昊自动化科技有限公司 | It can be used for the extra small light spot laser sensor of super-small of small items detection |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 Termination date: 20220202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |