CN209707433U - The ultra-thin part capacitance chromatography imaging device of irregular geometry shape - Google Patents
The ultra-thin part capacitance chromatography imaging device of irregular geometry shape Download PDFInfo
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- CN209707433U CN209707433U CN201920428958.9U CN201920428958U CN209707433U CN 209707433 U CN209707433 U CN 209707433U CN 201920428958 U CN201920428958 U CN 201920428958U CN 209707433 U CN209707433 U CN 209707433U
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Abstract
The utility model relates to capacitance chromatography imaging fields, a kind of ultra-thin part capacitance chromatography imaging device of irregular geometry shape is provided, the device includes sensing system, data collection system, tomography computer, the sensing system includes detection capacitance electrode, radial shielding pole plate, elevating screw, shielding case, lifting motor, feed screw nut's assembly, pedestal, described elevating screw one end is fixed on the base by the lifting motor, the shielding case can be axially moved by the feed screw nut's assembly along the elevating screw, the shielding case is ring structure, circumferentially the setting radial direction shields pole plate to inner wall, the detection capacitance electrode is arranged far from the end face of the shielding case in the radial shielding pole plate, it not only can detect various sizes of irregular ultra-thin part, and precision is high, it is high-efficient, imaging effect is good.
Description
Technical field
The utility model relates to electrical capacitance tomography field, in particular to a kind of ultra-thin part electricity of irregular geometry shape
Hold laminated imaging device.
Background technique
Electrical capacitance tomography (Electrical Capacitance Tomography, ECT) is process tomographic imaging
One of key technology with fastest developing speed in technology (Process Tomography, PT), the technical costs is low, high reliablity, non-
The advantages that intrusive, is all widely used in many detection imaging fields at present.
Capacitance tomography system generally includes sensing system, data collection system, tomography computer, traditional capacitor
Chromatographic imaging system is calculated using sensitive field uniformity, relatively easy to regular circle shapes or Else Rule object shapes,
CN108896626A discloses the capacitance chromatography imaging method and device and sensor of a kind of single switching incentive mode, using excitation
Electrode separates design scheme with detecting electrode, motivates electrode to obtain the capacitance between each electrode pair, device master by being individually switched
It to include that electrostatic coupling capacitive dual-mode multiplexed arrays sensor, capacitance signal conditioning module, data acquisition module and imaging calculate
Machine and electrostatic coupling capacitive dual-mode multiplexed arrays sensor.US20180220920A1 discloses a kind of sensing dielectric constant change
The non-contact tomography and thin film sensor changed, the system to change with time for monitoring area-of-interest.
Currently, generalling use computer vision for the ultra-thin part form parameter measurement of irregular geometry shape, but irregular
There is typically further the presentations that hollow out, concave surface etc. do not utilize visual pattern for the ultra-thin part of geometry.However, traditional capacitance chromatographic at
As system is generally directed to the measurement of regular part, fluid etc., current sensing system structure is not able to satisfy irregular geometry shape
The demand of the measurement of parameter, and low efficiency, imaging effect be not good enough.
Utility model content
In view of this, the utility model is directed to a kind of ultra-thin part capacitance chromatography imaging device of irregular geometry shape,
The ultra-thin part capacitance chromatography imaging device of the irregular geometry shape can be detected using lifting platform, multiple electrode array, can
Irregular shape parameter is detected, it is not only high-efficient, and also precision is high.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that the irregular geometry shape is ultra-thin
Part capacitance chromatography imaging device includes sensing system, data collection system, tomography computer, and the sensing system includes inspection
Survey capacitance electrode, radial shielding pole plate, elevating screw, shielding case, lifting motor, feed screw nut's assembly, pedestal, the lifting silk
Bar one end is fixed on the base by the lifting motor, and the shielding case can be along institute by the feed screw nut's assembly
Elevating screw axial movement is stated, the shielding case is ring structure, and the radial shielding pole plate, the radial direction is circumferentially arranged in inner wall
It shields pole plate and the detection capacitance electrode is set far from the end face of the shielding case.
Preferably, the sensing system further includes monitor station, and the monitor station is fixed on the base, the detection
Platform be it is cylindric or round table-like, the monitor station and the shielding case are coaxially disposed, and the monitor station diameter of section is less than described
The circular diameter that the detection capacitance electrode is constituted on the inside of shielding case.
Preferably, the detection capacitance electrode is identical as the radial shielding pole plate number, and the detection capacitance electrode is extremely
It is less 4.
Preferably, the shielding cover outer wall is conductive metallic material, and the shielding cover outer wall and ground are grounded.
Preferably, the radial shielding pole plate is bonded in the shielding case inner wall, the radial shielding pole plate and the screen
It is non-conductive to cover cover inner wall.
Preferably, the sensing system is electrically connected with the data collection system, the data collection system with it is described
Tomography computer electrical connection.
Preferably, each detection capacitance electrode is electrically connected with the data collection system.
Preferably, the sensing system further includes motor control module, the lifting motor and the motor control mould
Block electrical connection, the motor control module are electrically connected with the tomography computer.
Compared with the existing technology, the ultra-thin part capacitance chromatography imaging device of the irregular geometry shape of the utility model includes ring
Shape shielding case inner wall circumferentially multiple detection capacitance electrodes, detected member is placed on monitor station, can be according to irregular geometry
The position of the ultra-thin part scale elevator detection capacitance electrode of shape, can be circumferentially irregular to irregular ultra-thin part, interior empty, interior in satisfaction
The structures such as recessed measure, high-efficient, and imaging effect is good.
Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The exemplary embodiment and its explanation of type are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 is a kind of the vertical of the ultra-thin embodiment of part capacitance chromatography imaging device of irregular geometry shape of the utility model
Body schematic diagram；
Fig. 2 is that a kind of each module of the ultra-thin embodiment of part capacitance chromatography imaging device of irregular geometry shape is electrically connected binding
Structure schematic diagram.
Description of symbols:
The radial shielding pole plate of 1 detection capacitance electrode 2
3 elevating screw, 4 shielding case
5 monitor station, 6 lifting motor
7 feed screw nut's assembly, 8 supporting block
9 pedestal, 10 data collection system
11 tomography computer, 12 motor control module
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, left and right " is usual
Refer to reference to upper and lower, left and right shown in the drawings；" inside and outside " refers to the inside and outside of the profile relative to each component itself.Below will
The utility model is described in detail with reference to attached drawing and in conjunction with embodiment.
It is not able to satisfy irregular geometry shape ginseng in order to solve capacitance chromatography imaging device pointed by background technology part
The demand of several measurements, and low efficiency, imaging effect is not good enough, as shown in Figure 1, providing a kind of ultra-thin part electricity of irregular geometry shape
Hold laminated imaging device, the ultra-thin part capacitance chromatography imaging device of the irregular geometry shape includes sensing system, data acquisition
System 10, tomography computer 11, the sensing system include detection capacitance electrode 1, radial shielding pole plate 2, elevating screw 3,
Shielding case 4, lifting motor 6, feed screw nut's assembly 7, pedestal 9, described 3 one end of elevating screw are fixed by the lifting motor 6
On the pedestal 9, the shielding case 4 can be axially moved by the feed screw nut's assembly 7 along the elevating screw 3, institute
Stating shielding case 4 is ring structure, and circumferentially the setting radial direction shields pole plate 2 to inner wall, and the radial shielding pole plate 2 is far from the screen
The detection capacitance electrode 1 is arranged in the end face for covering cover 4.
In order to promote the precision for measuring different size irregular geometry form parameters, under preferable case, the elevating screw 3
Coefficient of friction between feed screw nut's assembly 7 is 0.003-0.06, and screw rod axial direction directional precision is 0.0005-0.001mm.
In order to which sensing system can be detected at circumferential 360 degree, the sensing system further includes monitor station 5, described
Monitor station 5 is fixed on the pedestal 9, and the monitor station 5 is cylindric or round table-like, the monitor station 5 and the shielding case 4
Coaxial arrangement, 5 diameter of section of monitor station are less than the circular diameter that 4 inside of the shielding case detection capacitance electrode 1 is constituted.
In the case where being more highly preferred to, the 1 capacitance variations accuracy rating 0.002pF-0.01pF of detection capacitance electrode.
In order to circumferentially measure more data, to promote the effect of later period imaging, the detection capacitance electrode 1 and institute
It is identical to state radial shielding 2 numbers of pole plate, the detection capacitance electrode 1 at least 4, in the case where being more highly preferred to, the detection
1 number of capacitance electrode is 12-36.
In order to reduce the influence to system such as extraneous electric current, electrostatic, 4 outer wall of shielding case is conductive metallic material, institute
It states 4 outer wall of shielding case and ground is grounded, so that the Electro Magnetic Compatibility of system is more preferably.
In order to which the shielding case 4 does not generate interference to testing result, the radial shielding pole plate 2 is bonded in the shielding case
4 inner walls, the radial shielding pole plate 2 and 4 inner wall of shielding case are non-conductive, the case where being more highly preferred to, the shielding case 4 and institute
Radial shielding pole plate 2 is stated using insulator separation.
In order to which entire detection system acquisition data are effectively handled and are imaged, the sensing system and the data
Acquisition system 10 is electrically connected, and the data collection system 10 is electrically connected with the tomography computer 11.
It is calculated in order to which entire detection system preferably measures the data that each detection capacitance electrode 1 detects, each
The detection capacitance electrode 1 is electrically connected with the data collection system 10.In the case where being more highly preferred to, in order to which wiring is firm, electricity
Conducting wire used by connecting uses shielding line.
For effective control to the lifting motor, the sensing system further includes motor control module 12, described
Lifting motor 6 is electrically connected with the motor control module 12, and the motor control module 12 is electrically connected with the tomography computer 11
It connects.
The foregoing is merely the better embodiments of the utility model, are not intended to limit the utility model, it is all
Within the spirit and principles of the utility model, it is practical new to should be included in this for any modification, equivalent replacement, improvement and so on
Within the protection scope of type.
Claims (8)
1. a kind of ultra-thin part capacitance chromatography imaging device of irregular geometry shape, the ultra-thin part capacitor layers of irregular geometry shape
Analysing imaging device includes sensing system, data collection system (10), tomography computer (11), which is characterized in that the sensing
Device system include detection capacitance electrode (1), radial shielding pole plate (2), elevating screw (3), shielding case (4), lifting motor (6),
Feed screw nut's assembly (7), pedestal (9), described elevating screw (3) one end are fixed on the pedestal by the lifting motor (6)
(9) on, the shielding case (4) can be axially moved by the feed screw nut's assembly (7) along the elevating screw (3), described
Shielding case (4) is ring structure, and circumferentially the setting radial direction shields pole plate (2) to inner wall, and radial shielding pole plate (2) is far from institute
The detection capacitance electrode (1) is arranged in the end face for stating shielding case (4).
2. the ultra-thin part capacitance chromatography imaging device of irregular geometry shape according to claim 1, which is characterized in that described
Sensing system further includes monitor station (5), and the monitor station (5) is fixed on the pedestal (9), and the monitor station (5) is circle
Column is round table-like, and the monitor station (5) and the shielding case (4) are coaxially disposed, and monitor station (5) diameter of section is less than institute
State the circular diameter that detection capacitance electrode (1) is constituted on the inside of shielding case (4).
3. the ultra-thin part capacitance chromatography imaging device of irregular geometry shape according to claim 1, which is characterized in that described
Detection capacitance electrode (1) is identical as radial shielding pole plate (2) number, and the detection capacitance electrode (1) is at least 4.
4. the ultra-thin part capacitance chromatography imaging device of irregular geometry shape according to claim 1, which is characterized in that described
Shielding case (4) outer wall is conductive metallic material, and shielding case (4) outer wall and ground are grounded.
5. the ultra-thin part capacitance chromatography imaging device of irregular geometry shape according to claim 4, which is characterized in that described
Radial shielding pole plate (2) is bonded in the shielding case (4) inner wall, radial shielding pole plate (2) and the shielding case (4) inner wall
It is non-conductive.
6. the ultra-thin part capacitance chromatography imaging device of irregular geometry shape according to claim 1, which is characterized in that described
Sensing system is electrically connected with the data collection system (10), the data collection system (10) and the tomography computer
(11) it is electrically connected.
7. the ultra-thin part capacitance chromatography imaging device of irregular geometry shape according to claim 6, which is characterized in that each
The detection capacitance electrode (1) is electrically connected with the data collection system (10).
8. the ultra-thin part capacitance chromatography imaging device of irregular geometry shape according to claim 1, which is characterized in that described
Sensing system further includes motor control module (12), and the lifting motor (6) is electrically connected with the motor control module (12),
The motor control module (12) is electrically connected with the tomography computer (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920428958.9U CN209707433U (en) | 2019-03-29 | 2019-03-29 | The ultra-thin part capacitance chromatography imaging device of irregular geometry shape |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920428958.9U CN209707433U (en) | 2019-03-29 | 2019-03-29 | The ultra-thin part capacitance chromatography imaging device of irregular geometry shape |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721816A (en) * | 2020-07-29 | 2020-09-29 | 青岛理工大学 | Three-dimensional ECT sensor |
| CN114527231A (en) * | 2021-12-28 | 2022-05-24 | 中国矿业大学 | Combustion empty area measuring device based on electric capacity tomography |
-
2019
- 2019-03-29 CN CN201920428958.9U patent/CN209707433U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721816A (en) * | 2020-07-29 | 2020-09-29 | 青岛理工大学 | Three-dimensional ECT sensor |
| CN114527231A (en) * | 2021-12-28 | 2022-05-24 | 中国矿业大学 | Combustion empty area measuring device based on electric capacity tomography |
| CN114527231B (en) * | 2021-12-28 | 2023-02-07 | 中国矿业大学 | Combustion dead zone measuring device based on capacitance tomography |
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Granted publication date: 20191129 Termination date: 20210329 |