CN202209937U - Thickness meter - Google Patents
Thickness meter Download PDFInfo
- Publication number
- CN202209937U CN202209937U CN2011203291176U CN201120329117U CN202209937U CN 202209937 U CN202209937 U CN 202209937U CN 2011203291176 U CN2011203291176 U CN 2011203291176U CN 201120329117 U CN201120329117 U CN 201120329117U CN 202209937 U CN202209937 U CN 202209937U
- Authority
- CN
- China
- Prior art keywords
- instrument portion
- amplifier
- resistance
- connects
- thicknessmeter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Measurement Of Current Or Voltage (AREA)
Abstract
Provided is a thickness meter, comprising a primary instrument portion for sensing the thickness of the to-be-processed workpiece and outputting thickness induction electric signals, and a secondary instrument portion connected with the primary instrument portion, wherein the secondary instrument portion comprises: a signal amplification unit connected with the primary instrument portion, an analog/digital conversion unit connected with the signal amplification unit, a digital display circuit, and a signal processing unit connected between the analog/digital conversion unit and the digital display circuit and based on a one-chip microcomputer. The secondary instrument portion of the thickness meter of the utility model adopts a one-chip microcomputer and combines with the analog/digital conversion unit to process the thickness induction electric signals output by the primary instrument portion, thereby overcoming the defects of low sensitivity and slow response speed of the prior art which adopts pure simulation circuit for the secondary instrument portion. Moreover, the thickness meter of the utility model features convenient maintenance, reliable operation for a long while, and safe usage.
Description
Technical field
The utility model belongs to the industry control field of measuring technique, relates in particular to a kind of thicknessmeter.
Background technology
Thicknessmeter is a kind of instrument in order to measurement of species thickness; Since characteristics such as the function that it had is complete, highly sensitive, measurement is accurate, response speed is fast, simple to operate, easy to maintenance, long-time running is reliable, safe in utilization, and be widely used in the commercial measurement field.
Thicknessmeter generally comprises the primary instrument portion of induction parts to be processed (like sheet material, band etc.) thickness signal, and connect primary instrument portion, thickness signal that the induction of primary instrument portion is obtained carries out thickness and handles the secondary instrument portion that back output shows.According to the difference of measuring principle, can be divided into contact and non-contact thickness gauge etc.
Yet in the thicknessmeter that prior art provides, because secondary instrument portion is the measuring system of pure Realization of Analog Circuit, its sensitivity is low, maintenance is inconvenient, response speed is slow, is unfavorable for promoting and using.
The utility model content
The purpose of the utility model embodiment is to provide a kind of thicknessmeter, to solve in the thicknessmeter that prior art provides, because secondary instrument portion is pure mimic channel, causes the problem that thicknessmeter sensitivity is low, response speed is slow.
The utility model embodiment is achieved in that a kind of thicknessmeter, comprises the primary instrument portion of to be processed thickness of induction and output thickness electrical signal of reaction, and the secondary instrument portion that connects said primary instrument portion, and said secondary instrument portion comprises:
Connect said primary instrument portion, the thickness electrical signal of reaction of said primary instrument portion output carried out the signal amplification unit of processing and amplifying;
The A/D converter that connect said signal amplification unit, the thickness electrical signal of reaction after said signal amplification unit is amplified converts digital signal into;
Digital display circuit; And
The SCM Based signal processing unit that the said digital display circuit of control shows after the digital signal processing that is connected between said A/D converter and the digital display circuit, said A/D converter is converted to.
In the above-mentioned thicknessmeter, said primary instrument portion can comprise:
Thickness transducer; And
The amplifier that connects said thickness transducer.
In the above-mentioned thicknessmeter, said thicknessmeter can be the radioactivity thicknessmeter.
In the above-mentioned thicknessmeter, said signal amplification unit can comprise: the interface, first amplifier, second amplifier, resistance R 1, resistance R 2, adjustable resistance R3, resistance R 4 and the resistance R 5 that connect said primary instrument portion;
The signal output part of said interface connects the in-phase input end of said first amplifier through resistance R 1; Through resistance R 2, adjustable resistance R3, resistance R 4 ground connection, said first amplifier's inverting input connects the output terminal of said first amplifier to the output terminal of said first amplifier in order; The tap of adjustable resistance R3 connects the in-phase input end of said second amplifier, and the output terminal of said second amplifier connects said A/D converter through resistance R 5, and said second amplifier's inverting input connects the output terminal of said second amplifier.
In the above-mentioned thicknessmeter, said A/D converter can comprise: mould/number conversion chip, capacitor C 4 and capacitor C 5;
The voltage signal of said mould/number conversion chip is imported the output terminal of positive pin through said second amplifier of resistance R 5 connections, and the voltage signal of said mould/number conversion chip is imported positive pin simultaneously through capacitor C 4 ground connection; Power pins connection+5V the direct current of said mould/number conversion chip, the grounding pin of said mould/number conversion chip and the negative pin common ground of voltage signal input, the power pins of said mould/number conversion chip is simultaneously through capacitor C 5 ground connection; The I of said mould/number conversion chip
2The I of the clock pin of C interface and said mould/number conversion chip
2The data pin of C interface connects said SCM Based signal processing unit.
In the above-mentioned thicknessmeter, said SCM Based signal processing unit can comprise a singlechip chip, and a data input pin of said singlechip chip connects said I
2The data pin of C interface; The data output pin of said singlechip chip connects said digital display circuit.
In the above-mentioned thicknessmeter, said secondary instrument portion can also comprise:
The zeroing circuit and accent sensitivity channel that connect said SCM Based signal processing unit respectively.
The secondary instrument portion of the thicknessmeter that utility model provides is owing to be to have adopted single-chip microcomputer and combined A/D converter; Come the thickness electrical signal of reaction of primary instrument portion output is handled; Avoid the problem that prior art is low owing to the sensitivity that secondary instrument portion adopts pure mimic channel to cause, response speed is slow, had characteristics easy to maintenance, that long-time running is reliable, safe in utilization simultaneously.
Description of drawings
Fig. 1 is the schematic diagram of the thicknessmeter that provides of the utility model;
Fig. 2 is the circuit diagram of signal amplification unit among Fig. 1;
Fig. 3 is the circuit diagram of A/D converter and SCM Based signal processing unit among Fig. 1.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Fig. 1 shows the principle of the thicknessmeter that the utility model provides, and for the ease of explanation, only shows the part relevant with the utility model.
The thicknessmeter that the utility model provides comprises: the primary instrument portion 11 that responds to be processed thickness and output thickness electrical signal of reaction; And the secondary instrument portion 12 that connects primary instrument portion 11, secondary instrument portion 12 further comprises: connect primary instrument portion 11, the thickness electrical signal of reaction of primary instrument portion 11 outputs carried out the signal amplification unit 121 of processing and amplifying; The A/D converter 122 that connect signal amplification unit 121, the thickness electrical signal of reaction after signal amplification unit 121 is amplified converts digital signal into; Digital display circuit 124; And the SCM Based signal processing unit 123 that control figure display circuit 124 shows after the digital signal processing that is connected between A/D converter 122 and the digital display circuit 124, A/D converter 122 is converted to.
The secondary instrument portion 12 of the thicknessmeter that the utility model provides is owing to be to have adopted single-chip microcomputer and combined A/D converter; Come the thickness electrical signal of reaction of primary instrument portion 11 output is handled; Avoid the problem that prior art is low owing to the sensitivity that secondary instrument portion adopts pure mimic channel to cause, response speed is slow, had characteristics easy to maintenance, that long-time running is reliable, safe in utilization simultaneously.
Wherein, primary instrument portion 11 can comprise: thickness transducer 111; And the amplifier 112 that connects thickness transducer 111.
The thicknessmeter that the utility model provides is preferably the radioactivity thicknessmeter.
Fig. 2 shows the circuit of signal amplification unit 121 among Fig. 1.
Fig. 3 shows the circuit of A/D converter among Fig. 1 122 and SCM Based signal processing unit 123.
Wherein, A/D converter 122 comprises: mould/number conversion chip U1, capacitor C 4 and capacitor C 5.The voltage signal of mould/number conversion chip U1 is imported positive pin 1 and is connected signal amplification unit 121, specifically is the output terminal that connects the second amplifier A2 through resistance R 5, and the voltage signal of mould/number conversion chip U1 is imported positive pin 1 simultaneously through capacitor C 4 ground connection; The power pins 5 connection+5V direct currents of mould/number conversion chip U1, the grounding pin 2 of mould/number conversion chip U1 and negative pin 6 common grounds of voltage signal input, the power pins 5 of mould/number conversion chip U1 is simultaneously through capacitor C 5 ground connection; The I of mould/number conversion chip U1
2The I of the clock pin 3 of C interface and mould/number conversion chip U1
2The data pin 4 of C interface connects SCM Based signal processing unit 123.
Wherein, SCM Based signal processing unit 123 comprises a singlechip chip U2, the I of the data input pin P1.0 connection mode/number conversion chip U1 of singlechip chip U2
2The data pin of C interface; Data output pin P0.0, the P0.1 of singlechip chip U2 are connected digital display circuit 124 with P0.2.
In order to improve measuring accuracy, in the utility model, secondary instrument portion 12 can also comprise: the zeroing circuit (not shown) and accent sensitivity channel (not shown) that connect SCM Based signal processing unit 123 respectively.
The secondary instrument portion 12 of the thicknessmeter that the utility model provides is owing to be to have adopted single-chip microcomputer and combined A/D converter; Come the thickness electrical signal of reaction of primary instrument portion 11 output is handled; Avoid the problem that prior art is low owing to the sensitivity that secondary instrument portion adopts pure mimic channel to cause, response speed is slow, had characteristics easy to maintenance, that long-time running is reliable, safe in utilization simultaneously.
The above; Be merely the preferable embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technician who is familiar with the present technique field is equal to replacement or changes according to the technical scheme of the utility model and utility model design thereof in the technical scope that the utility model discloses, and all should be encompassed within the protection domain of the utility model.
Claims (7)
1. thicknessmeter comprises the primary instrument portion of to be processed thickness of induction and output thickness electrical signal of reaction, and the secondary instrument portion that connects said primary instrument portion, it is characterized in that, said secondary instrument portion comprises:
Connect said primary instrument portion, the thickness electrical signal of reaction of said primary instrument portion output carried out the signal amplification unit of processing and amplifying;
The A/D converter that connect said signal amplification unit, the thickness electrical signal of reaction after said signal amplification unit is amplified converts digital signal into;
Digital display circuit; And
The SCM Based signal processing unit that the said digital display circuit of control shows after the digital signal processing that is connected between said A/D converter and the digital display circuit, said A/D converter is converted to.
2. thicknessmeter as claimed in claim 1 is characterized in that, said primary instrument portion comprises:
Thickness transducer; And
The amplifier that connects said thickness transducer.
3. thicknessmeter as claimed in claim 1 is characterized in that, said thicknessmeter is the radioactivity thicknessmeter.
4. like each described thicknessmeter of claim 1 to 3; It is characterized in that said signal amplification unit comprises: the interface, first amplifier, second amplifier, resistance R 1, resistance R 2, adjustable resistance R3, resistance R 4 and the resistance R 5 that connect said primary instrument portion;
The signal output part of said interface connects the in-phase input end of said first amplifier through resistance R 1; Through resistance R 2, adjustable resistance R3, resistance R 4 ground connection, said first amplifier's inverting input connects the output terminal of said first amplifier to the output terminal of said first amplifier in order; The tap of adjustable resistance R3 connects the in-phase input end of said second amplifier, and the output terminal of said second amplifier connects said A/D converter through resistance R 5, and said second amplifier's inverting input connects the output terminal of said second amplifier.
5. thicknessmeter as claimed in claim 4 is characterized in that, said A/D converter comprises: mould/number conversion chip, capacitor C 4 and capacitor C 5;
The voltage signal of said mould/number conversion chip is imported the output terminal of positive pin through said second amplifier of resistance R 5 connections, and the voltage signal of said mould/number conversion chip is imported positive pin simultaneously through capacitor C 4 ground connection; Power pins connection+5V the direct current of said mould/number conversion chip, the grounding pin of said mould/number conversion chip and the negative pin common ground of voltage signal input, the power pins of said mould/number conversion chip is simultaneously through capacitor C 5 ground connection; The I of said mould/number conversion chip
2The I of the clock pin of C interface and said mould/number conversion chip
2The data pin of C interface connects said SCM Based signal processing unit.
6. thicknessmeter as claimed in claim 5 is characterized in that, said SCM Based signal processing unit comprises a singlechip chip, and a data input pin of said singlechip chip connects said I
2The data pin of C interface; The data output pin of said singlechip chip connects said digital display circuit.
7. thicknessmeter as claimed in claim 5 is characterized in that, said secondary instrument portion also comprises: the zeroing circuit that connects said SCM Based signal processing unit respectively with transfer sensitivity channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203291176U CN202209937U (en) | 2011-09-02 | 2011-09-02 | Thickness meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203291176U CN202209937U (en) | 2011-09-02 | 2011-09-02 | Thickness meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202209937U true CN202209937U (en) | 2012-05-02 |
Family
ID=45989483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203291176U Expired - Fee Related CN202209937U (en) | 2011-09-02 | 2011-09-02 | Thickness meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202209937U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674868A (en) * | 2016-01-27 | 2016-06-15 | 系新电子技术（苏州）有限公司 | Pipeline inner-wall coating thickness detection system |
| CN106352784A (en) * | 2016-09-30 | 2017-01-25 | 哈尔滨理工大学 | MXT9030-based thin film thickness measurement system |
| CN107144331A (en) * | 2017-05-27 | 2017-09-08 | 厦门亿克赛尔仪表科技有限公司 | A kind of small weighbridge instrument of New-type mould revolution |
| CN108971737A (en) * | 2018-08-06 | 2018-12-11 | 河北众航高能科技有限公司 | A kind of electron beam secondary electron acquisition device and electron beam equipment |
| CN111649662A (en) * | 2020-06-17 | 2020-09-11 | 深圳市林上科技有限公司 | Coating thickness gauge and coating thickness detection method |
-
2011
- 2011-09-02 CN CN2011203291176U patent/CN202209937U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674868A (en) * | 2016-01-27 | 2016-06-15 | 系新电子技术（苏州）有限公司 | Pipeline inner-wall coating thickness detection system |
| CN106352784A (en) * | 2016-09-30 | 2017-01-25 | 哈尔滨理工大学 | MXT9030-based thin film thickness measurement system |
| CN107144331A (en) * | 2017-05-27 | 2017-09-08 | 厦门亿克赛尔仪表科技有限公司 | A kind of small weighbridge instrument of New-type mould revolution |
| CN108971737A (en) * | 2018-08-06 | 2018-12-11 | 河北众航高能科技有限公司 | A kind of electron beam secondary electron acquisition device and electron beam equipment |
| CN108971737B (en) * | 2018-08-06 | 2020-12-18 | 河北众航高能科技有限公司 | Electron beam secondary electron collecting device and electron beam equipment |
| CN111649662A (en) * | 2020-06-17 | 2020-09-11 | 深圳市林上科技有限公司 | Coating thickness gauge and coating thickness detection method |
| CN111649662B (en) * | 2020-06-17 | 2022-06-03 | 深圳市林上科技有限公司 | Coating thickness gauge and coating thickness detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202209937U (en) | Thickness meter | |
| CN201477059U (en) | Digital soil moisture temperature sensor | |
| CN202110226U (en) | Inspection tour instrument of temperature rise test of power transmission and transformation equipment | |
| CN203785751U (en) | Weighing circuit and electronic scale possessing same | |
| CN203758659U (en) | Clamping force tester | |
| CN202229724U (en) | Resistance-type strain gauge | |
| CN201680888U (en) | Wireless precision electronic scale | |
| CN103134979A (en) | Checking circuit for energy storage device terminal voltage | |
| CN204422130U (en) | A kind of gas pressure detection meter | |
| CN202957809U (en) | Signal conditioning circuit improving AD (Analog to Digital) resolution | |
| CN202693752U (en) | Power supply IC high precision voltage test circuit | |
| CN202975065U (en) | Active probe of oscilloscope | |
| CN203101618U (en) | DC standard source device for calibration system of multi-parameter electrical measuring device | |
| CN202048936U (en) | Micro differential pressure measuring instrument | |
| CN202748413U (en) | Self-checking circuit of ground electric filed instrument | |
| CN202204487U (en) | Radioactive pachymeter | |
| CN202956434U (en) | Internal resistance measuring device of lithium battery protection plate | |
| CN201935711U (en) | Ultrasonic flow calculator | |
| CN203561332U (en) | Signal converter of wide-range submicron high-precision LVDT displacement sensor | |
| CN204514498U (en) | A kind of temperature sensing circuit for gas meter, flow meter | |
| CN202204486U (en) | Radioactivity thickness meter | |
| CN203758657U (en) | Dynamometer | |
| CN202938859U (en) | Flow gauge | |
| CN208043284U (en) | A kind of taiwan area transformer pile head temperature measuring equipment | |
| CN213364018U (en) | High-precision vibration meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120502 Termination date: 20120902 |