CN206019569U - Thickness detection apparatus - Google Patents
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- CN206019569U CN206019569U CN201621009975.1U CN201621009975U CN206019569U CN 206019569 U CN206019569 U CN 206019569U CN 201621009975 U CN201621009975 U CN 201621009975U CN 206019569 U CN206019569 U CN 206019569U
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Abstract
The utility model provides a kind of thickness detection apparatus, including：The public electrode of spaced setting and one or more detecting electrode groups, form between public electrode and detecting electrode group for by the sense channel of part to be detected, part to be detected passes through sense channel along the second direction perpendicular to first direction in a first direction；One detecting electrode group includes that two detecting electrodes, two detecting electrodes are positioned apart from a second direction, and two detecting electrodes are shifted to install at least a portion of the projection in the plane of second direction；Control unit, is all connected with each detecting electrode, for obtaining the thickness of part to be detected according to the output of two detecting electrodes for belonging to same detecting electrode group.Application the technical solution of the utility model, part to be detected blocks the area of two detecting electrodes will not be identical all the time, and the thickness detection apparatus being therefore somebody's turn to do can detect the thickness of various parts to be detected, with wider applicability.
Description
Technical field
The utility model is related to electro-mechanical arts, in particular to a kind of thickness detection apparatus.
Background technology
Thickness detection apparatus have a wide range of applications, such as to flakes such as paper, bill, plastic sheeting, textile fabrics
Article carries out continuous thickness measure, and this is during production, detection, process, recovery etc. in increasingly consequence.
In prior art, evidence has the thickness detection apparatus of public electrode and two detecting electrodes including being oppositely arranged, wherein
Sense channel is formed between public electrode and detecting electrode, when part to be detected is through sense channel, public electrode is changed
And the dielectric constant of the medium between two detecting electrodes, the charge inducing quantity on two detecting electrodes is also become therewith
Change, the output voltage size of two detecting electrodes also changes, then differential amplification is carried out to the voltage of two detecting electrodes.Root
Thickness according to part to be detected is different, and the dielectric constant between public electrode and two detecting electrodes is also differed, and then two detections
Charge inducing quantity on electrode is also differed, and the size of the electric signal for therefore being exported by two detecting electrodes simultaneously carries out difference
Amplify, calculate the thickness of part to be detected.
If but part to be detected cover two detecting electrodes area identical when, two detecting electrodes and public electrode it
Between dielectric constant also identical, on two detecting electrodes sense amount of charge also identical, the output voltage of two detecting electrodes
After differential amplification, 0 is output as, therefore cannot judge the thickness of part to be detected, this restrict this pair of detector electrode structure
Thickness detection apparatus application.
For example illustrated in fig. 1, monomer electrode in two row 2311～231n of electrode, 2321～232n is rectangle, and
Electrode is corresponding up and down, regular proper alignment.When having original copy by sense channel, area A6 that original copy A is overlapped with electrode 2316 and
The area B 5 that the area B 6 that the area A5 that electrode 2315 overlaps is overlapped with electrode 2326 is overlapped with electrode 2325, original copy B and two
The area that row's detecting electrode overlaps is the area A2 and electrode that the area A3 overlapped with electrode 2313 is overlapped with electrode 2312
2323 area Bs 2 that overlap with electrode 2322 of area Bs 3 for overlapping, now overlapping area A2=B2, A3=of counter electrode group
B3, A5=B5, A6=B6.The original area size of hypothesis electrode is S, after original copy is entered between public electrode and detecting electrode,
Dielectric constant is r, and before original copy is not entered between public electrode and detecting electrode, dielectric constant is the electricity that 1, V is each electrode
Pressure output, voltage output V are equal to the product of dielectric constant and corresponding detecting electrode area, and the multiplication factor of difference amplifier is
G.Now output Vp1=G × (V21-V11)=G × (S-S) of the output after differential amplification of first detecting electrode group=
0, output Vp2=G × (the V22-V12)=G × { (rB2-B2+ of the output after differential amplification of second detecting electrode group
S)-(rA2-A2+S) }=0, output Vp3=G × (V23-V13) of the output after differential amplification of the 3rd detecting electrode group
=G × { (rB3-B3+S)-(rA3-A3+S) }=0, the output Vp4 of the output after differential amplification of the 4th detecting electrode group
=G × (V24-V14)=G × (S-S)=0, the output Vp5=G of the output after differential amplification of the 5th detecting electrode group
× (V25-V15)=G × { (rB5-B5+S)-(rA5-A5+S) }=0, the output of the 6th detecting electrode group pass through differential amplification
Output Vp6=G afterwards × (V26-V16)=G × { (rB6-B6+S)-(rA6-A6+S) }=0, the 7th detecting electrode group defeated
The output Vp7=G gone out after differential amplification × (V27-V17)=G × (S-S)=0, calculates n detecting electrode group successively
Respective output, the output of all detecting electrode groups is all 0, it is impossible to which computation and measurement goes out the thickness of original copy.
Utility model content
Main purpose of the present utility model is to provide a kind of thickness detection apparatus, to solve thickness inspection of the prior art
Survey the restricted problem of the use range by the size of part to be detected of device.
To achieve these goals, according to one side of the present utility model, there is provided a kind of thickness detection apparatus, bag
Include：The public electrode of spaced setting and one or more detecting electrode groups in a first direction, public electrode and detection electricity
Formed between the group of pole for by the sense channel of part to be detected, part to be detected passes through along the second direction perpendicular to first direction
Sense channel；One detecting electrode group includes that two detecting electrodes, two detecting electrodes are positioned apart from a second direction, two
Individual detecting electrode is shifted to install at least a portion of the projection in the plane of second direction；Control unit, with each inspection
Survey electrode to be all connected with, for obtaining the thickness of part to be detected according to the output of two detecting electrodes for belonging to same detecting electrode group
Degree.
Further, close to each other two lateral edges of two detecting electrodes of same detecting electrode group are belonged to
Mutual dislocation is arranged tripartite upwards, and wherein third direction is both perpendicular to first direction and second direction.
Further, detecting electrode is parallelogram, and detecting electrode is obliquely arranged in a second direction.
Further, detecting electrode group is multiple, and multiple detecting electrode groups are arranged spaced reciprocally along third direction, multiple
The multiple detecting electrodes for being located at the first side in a second direction of detecting electrode group form the first detecting electrode row, multiple detection electricity
The multiple detecting electrodes for being located at the second side in a second direction of pole group form the second detecting electrode row, wherein third direction simultaneously
Perpendicular to first direction and second direction.
Further, the detecting electrode positioned at the first detecting electrode row of a detecting electrode group and an adjacent detection
The detecting electrode positioned at the second detecting electrode row of electrode group is arranged in correspondence with a second direction.
Further, two detecting electrodes of same detecting electrode group is equivalently-sized.
Further, control unit includes difference channel, the input of difference channel respectively with belong to same detecting electrode
Two detecting electrode electrical connections of group, difference channel obtain output valve according to the difference between the output of two detecting electrodes.
Further, control unit includes：One or more first Bit andits control circuits, with a second direction positioned at first
One or more detecting electrodes of side connect correspondingly, for exporting the electric signal of detecting electrode；One or more second
Bit andits control circuit, is connected with the one or more detecting electrodes for being located at the second side in a second direction correspondingly, is used for
The electric signal of output detecting electrode.
Further, thickness detection apparatus also include：First protection portion, is arranged on the outside of public electrode；And/or, the
Two protection portion, are arranged on the outside of detecting electrode.
Further, thickness detection apparatus also include：First conductive part, is arranged on the relative with detecting electrode of public electrode
Outer surface on；And/or, the second conductive part is arranged on the outer surface relative with public electrode of detecting electrode.
Application the technical solution of the utility model, because two detecting electrodes are in the throwing in the plane of second direction
At least a portion of shadow is shifted to install, therefore part to be detected block the area of two detecting electrodes will not be identical all the time, that is, treating
When detection piece passes through a detecting electrode group, at least one moment causes the difference of the output of two detecting electrodes not to be
Zero, therefore thickness detection apparatus of the present utility model can detect the thickness of various parts to be detected, part to be detected will not be subject to
The restriction of the conditions such as size, with wider applicability.
Description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used for explaining the utility model, does not constitute to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 shows the arrangement architecture schematic diagram of the detecting electrode of the embodiment of thickness detection apparatus of the prior art；
Fig. 2 shows that a kind of arrangement architecture of the detecting electrode of embodiment of the thickness detection apparatus in the utility model shows
It is intended to；
Fig. 3 shows the arrangement architecture of the detecting electrode of another kind of embodiment of the thickness detection apparatus in the utility model
Schematic diagram；
Fig. 4 shows the structural representation of the first embodiment of the thickness detection apparatus in the utility model；
Fig. 5 shows the structural representation of second embodiment of the thickness detection apparatus in the utility model；And
Fig. 6 shows the structural representation of the third embodiment of the thickness detection apparatus in the utility model.
Fig. 7 shows that the point annexation of the control unit of the embodiment of the thickness detection apparatus in the utility model is illustrated
Figure.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combine.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the utility model in detail.
The utility model provides a kind of thickness detection apparatus, and as shown in Fig. 2 to 7, the thickness detection apparatus include：?
The public electrode 13 of spaced setting on one direction and one or more detecting electrode groups, public electrode 13 and detecting electrode group
Between formed for by the sense channel of part to be detected, part to be detected along perpendicular to first direction in a second direction by inspection
Survey passage；One detecting electrode group includes that two detecting electrodes, described two detecting electrodes are positioned apart from a second direction,
Described two detecting electrodes are shifted to install at least a portion of the projection in the plane of second direction；Control unit, with
Each detecting electrode is all connected with, to be detected for being obtained according to the output of two detecting electrodes for belonging to same detecting electrode group
The thickness of part.
Thickness detection apparatus of the present utility model include one or more detecting electrode groups, and each detecting electrode group includes two
Individual detecting electrode, equivalent to a capacitor between detecting electrode and public electrode 13, part to be detected from detecting electrode with public
Pass through between electrode 13, change the dielectric constant between detecting electrode and public electrode 13, therefore can change on detecting electrode
The quantity of electric charge, so as to change the voltage of detecting electrode output, control unit calculates the difference of the variable quantity of two detecting electrode output voltages
Value, and then can be derived that the thickness of part to be detected.Again because two detecting electrodes are in the throwing in the plane of second direction
At least a portion of shadow is shifted to install, therefore part to be detected block the area of two detecting electrodes will not be identical all the time, that is, treating
When detection piece passes through a detecting electrode group, at least one moment causes the difference of the output of two detecting electrodes not to be
Zero, therefore thickness detection apparatus of the present utility model can detect the thickness of various parts to be detected, part to be detected will not be subject to
The restriction of the conditions such as size, with wider applicability.
As two detecting electrodes are shifted to install at least a portion of the projection in the plane of second direction, because
This two detecting electrode for belonging to same detecting electrode group can not be with the center line of sense channel axisymmetricly, therefore two inspections
Surveying electrode has multiple set-up modes.
In one of which preferred embodiment, belong to close to each other two of two detecting electrodes of same detecting electrode group
Individual lateral edges mutual dislocation on third direction is arranged, and wherein third direction is both perpendicular to first direction and second direction.
Embodiment for example shown in Fig. 2, detecting electrode (231n, 232n) are rectangle, and belong to same detecting electrode group
Two detecting electrodes shift to install on third direction.
And embodiment as shown in Figure 3, detecting electrode (231n, 232n) is parallelogram, and detecting electrode is in second party
Arrange with being inclined upwardly.And in this embodiment, belong to two detecting electrodes of same detecting electrode group in third direction
On shift to install.
Additionally, the shape of detecting electrode can also be multiple situations such as circular, oval or polygon, be not limited to rectangle or
Parallelogram.
Preferably, the detecting electrode group is multiple, and multiple detecting electrode groups are set spaced reciprocally along third direction
Put, the multiple described detecting electrode for being located at the first side in a second direction of multiple detecting electrode groups forms the first detection electricity
Pole arranges, and the multiple described detecting electrode for being located at the second side in a second direction of multiple detecting electrode groups forms second and detects
Electrodes series, wherein third direction are both perpendicular to first direction and second direction.
Such as embodiment shown in Fig. 2 and Fig. 3, is numbered a row detecting electrode of 2311 to 231n along third direction in figure
Arrangement, is the first detecting electrode row；And the row detecting electrode for being numbered 2321 to 232n is arranged along third direction, it is the second inspection
Survey electrodes series.Each detecting electrode for belonging to the first detecting electrode row belongs to the detection electricity of the second detecting electrode row with one
Extremely corresponding composition detecting electrode group, wherein third direction is both perpendicular to first direction and second direction.
Preferably, the detecting electrode positioned at the first detecting electrode row of a detecting electrode group and an adjacent detection electricity
The detecting electrode positioned at the second detecting electrode row of pole group is arranged in correspondence with a second direction.The fairly simple composition of this mode
Thickness detection apparatus of the present utility model, you can with according to the regularly arranged two row detecting electrode row of identical, afterwards by mutually mistake
The detecting electrode electrical connection of one is opened, detecting electrode group is constituted.
Preferably, width of the detecting electrode on third direction is less than or equal to width of the part to be detected on third direction
Degree.It is highly preferred that detecting electrode group maximum length in a second direction is less than or equal to part to be detected in a second direction
Length, wherein third direction are both perpendicular to first direction and second direction.
Thickness detection apparatus of the present utility model treat the size of detection piece does not have strict restriction, you can existing to be applied to
The part large-sized to be detected that some thickness detection apparatus cannot be detected, therefore has wide applicability.
Preferably, two detecting electrodes of same detecting electrode group is equivalently-sized.I.e. two detecting electrodes with public
Electric capacity of the electric capacity formed between electrode 13 for same specification.
Preferably, as shown in fig. 7, control unit includes difference channel 32, the input of difference channel 32 respectively with belong to
Two detecting electrode electrical connections of one detecting electrode group, difference channel 32 is according to the difference between the output of two detecting electrodes
Obtain output valve.
The difference channel 32 also has enlarging function, defeated after can amplify the difference between the output of two detecting electrodes
Go out, be easy to the rear end computing of control unit.
Preferably, control unit includes：One or more first Bit andits control circuits 311, and are located at the in a second direction
One or more detecting electrodes of side connect correspondingly, for exporting the electric signal of detecting electrode；One or more
Two Bit andits control circuits 312, are connected correspondingly with the one or more detecting electrodes for being located at the second side in a second direction,
For exporting the electric signal of detecting electrode.
Preferably, as shown in figure 4, thickness detection apparatus include public electrode 13 and two row 2311～231n of detecting electrode,
2321～232n, public electrode 13 and two row 2311～231n of detecting electrode, 2321～232n are separately positioned on public electrode base
On plate 12 and detecting electrode substrate 22, two row's detecting electrodes are dislocation arrangement, common electrode substrate 12 and detecting electrode substrate 22
It is separately positioned in public electrode framework 11 and detecting electrode framework 21 again；Two row 2311～231n of detecting electrode, 2321～
232n, detecting electrode substrate 22 and detecting electrode framework 21 belong to the upper machine body 2 of thickness detection apparatus, and public electrode 13,
Common electrode substrate 12 and public electrode framework 11 belong to the lower body 1 of thickness detection apparatus.
Preferably, thickness detection apparatus also include：First protection portion, is arranged on the outside of public electrode；And/or, second
Protection portion, is arranged on the outside of detecting electrode.
Protection portion is to improve the rub proofness of electrode, prevents wear to electrodes from causing to measure inaccurate generation, therefore can be only
It is arranged on the outside of the electrode contacted with part to be detected, it is also possible to be respectively provided with the outside of public electrode 13 and detecting electrode.
Preferably, thickness detection apparatus also include：First conductive part 14, be arranged on public electrode 13 with detecting electrode phase
To outer surface on；And/or, the second conductive part 241,242 is arranged on the outer surface relative with public electrode 13 of detecting electrode
On.
In embodiment as shown in Figure 5, detection error, thickness detection apparatus is caused also to wrap in order to avoid electrode is worn
Include the first protective layer 15 being arranged on the outside of public electrode 13, and the second protective layer 25 being arranged on the outside of detecting electrode.Enter one
Step ground, for the raising susceptibility of electrode, that is, improves the accuracy of detection, is provided with first conductive on the end face of public electrode 15
Portion 14, is provided with the second conductive part 241,242, the conduction that wherein conductive part is made for high conductive material on the end face of detecting electrode
Film, including golden or silver-colored etc..
In embodiment as shown in Figure 6, in order to protect public electrode 13 and two row 2311～231n of detecting electrode, 2321～
232n is not worn and corrodes, and is provided with protection board 16 in public electrode framework 11, is provided with guarantor in detecting electrode framework 21
Backplate 26, protection board 16,26 materials can be glass plate or plastic plate, and those skilled in the art can be selected according to actual conditions
Select suitable protection board.
Below according to the course of work that the embodiment shown in Fig. 2 illustrates thickness detection apparatus of the present utility model.Two
Row 2311～231n of detecting electrode, the monomer electrode in 2321～232n are rectangle, the electricity with existing thickness detection apparatus
Pole shape is identical, but the thousands of bird-like Heterogeneous Permutations of two rows electrode arrangement.Pass through sense channel, original copy A and two when there is original copy
Row detecting electrode overlap area be the area A6 overlapped with detecting electrode 2316 overlap with detecting electrode 2315 area A5,
The area B 6 that the area B 7 overlapped with detecting electrode 2327 is overlapped with detecting electrode 2326；Original copy B is overlapped with two row's detecting electrodes
Area be area A2 and detecting electrode 2324 that the area A3 overlapped with detecting electrode 2313 is overlapped with detecting electrode 2312
The area B 3 that the area B 4 of coincidence is overlapped with detecting electrode 2323, now the overlapping area A2 of counter electrode group ≠ B2=0, A3
≠ B3, A4=0 ≠ B4, A5 ≠ B5=0, A6 ≠ B6, A7=0 ≠ B7.The original area size of one detecting electrode of hypothesis is S,
After original copy is entered between public electrode and detecting electrode, dielectric constant is r, original copy do not enter into public electrode and detecting electrode it
Between before, dielectric constant is the voltage output that 1, V is each detecting electrode, and voltage output V is equal to dielectric constant and corresponding detects
The product of the area of electrode, the multiplication factor of difference amplifier is G.The now output of first electrode group after differential amplification
Vp1=G × (V21-V11)=G × (S-S)=0, the output Vp2=G × (V22- of second electrode group after differential amplification
V12)=G × { (S)-(rA2-A2+S) }, output Vp3=G × (V23-V13) of the 3rd electrode group after differential amplification=
G × { (rB3-B3+S)-(rA3-A3+S) }, output Vp4=G × (V24-V14) of the 4th electrode group after differential amplification
=G × { (rB4-B4+S)-(S) }, output Vp5=G × (the V25-V15)=G of the 5th electrode group after differential amplification ×
{ (S)-(rA5-A5+S) }, output Vp6=G × (the V26-V16)=G × { (rB6- of the 6th electrode group after differential amplification
B6+S)-(rA6-A6+S) }, output Vp7=G × (the V27-V17)=G of the 7th electrode group after differential amplification ×
{ (rB7-B7+S)-(S) }, calculates the respective output of n electrode group, successively by counting to the output of each electrode group
Calculate, it is possible to measure the thickness of original copy.
Below according to the course of work that the embodiment shown in Fig. 3 illustrates thickness detection apparatus of the present utility model.Two
Monomer electrode in row 2311～231n of detecting electrode, 2321～232n is parallelogram, with existing thickness detection apparatus
Electrode shape different, and the thousands of bird-like of two rows electrode arrangement shift to install.Pass through sense channel, original copy A when there is original copy
The area overlapped with two row's detecting electrodes is the area that the area A7 overlapped with detecting electrode 2317 is overlapped with detecting electrode 2316
The area B 7 that the area A5 that A6 is overlapped with detecting electrode 2315 is overlapped with detecting electrode 2327 is overlapped with detecting electrode 2326
Area B 6, the area that original copy B is overlapped with two row's detecting electrodes are the area A4 and detecting electrode overlapped with detecting electrode 2314
Area B 5 and detection that the area A2 that the 2313 area A3 for overlapping are overlapped with detecting electrode 2312 is overlapped with detecting electrode 2325
The area B 3 that overlaps with detecting electrode 2323 of area B 4 that electrode 2324 overlaps, now the overlapping area A2 of counter electrode group ≠
B2=0, A3 ≠ B3, A4 ≠ B4, A5 ≠ B5, A6 ≠ B6, A7 ≠ B7.The original area size of one detecting electrode of hypothesis is S, former
After original text is entered between public electrode and detecting electrode, dielectric constant is r, and original copy is not entered between public electrode and detecting electrode
Before, dielectric constant is the voltage output that 1, V is each detecting electrode, and it is electric with corresponding detection that voltage output V is equal to dielectric constant
The product of pole-face product, the multiplication factor of difference amplifier is G.The now output Vp1 of first electrode group after differential amplification
=G × (V21-V11)=G × (S-S)=0, output Vp2=G × (V22-V12) of second electrode group after differential amplification
=G × { (S)-(rA2-A2+S) }, output Vp3=G × (the V23-V13)=G of the 3rd electrode group after differential amplification ×
{ (rB3-B3+S)-(rA3-A3+S) }, output Vp4=G × (the V24-V14)=G of the 4th electrode group after differential amplification
× { (rB4-B4+S)-(rA4-A4+S) }, output Vp5=G × (V25-V15) of the 5th electrode group after differential amplification=
G × { (rB5-B5+S)-(rA5-A5+S) }, output Vp6=G × (V26-V16) of the 6th electrode group after differential amplification
=G × { (rB6-B6+S)-(rA6-A6+S) }, the output Vp7=G × (V27- of the 7th electrode group after differential amplification
V17)=G × { (rB7-B7+S)-(rA7-A7+S) }, calculates the respective output of n electrode group, successively by each electrode
The output of group is calculated, it is possible to measure the thickness of original copy.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.All of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements that is made etc. are should be included within protection domain of the present utility model.
Claims (10)
1. a kind of thickness detection apparatus, it is characterised in that include：
The public electrode of spaced setting and one or more detecting electrode groups, the public electrode and institute in a first direction
State and formed between detecting electrode group for by the sense channel of part to be detected, the part to be detected is along perpendicular to the first party
To second direction pass through the sense channel；
One detecting electrode group includes two detecting electrodes, and compartment of terrain sets described two detecting electrodes in a second direction
Put, described two detecting electrodes are shifted to install at least a portion of the projection in the plane of second direction；
Control unit, is all connected with detecting electrode each described, for according to two institutes for belonging to the same detecting electrode group
The output for stating detecting electrode obtains the thickness of the part to be detected.
2. thickness detection apparatus according to claim 1, it is characterised in that belong to the two of the same detecting electrode group
Close to each other two lateral edges of individual detecting electrode mutual dislocation on third direction is arranged, and wherein third direction is simultaneously
Perpendicular to first direction and second direction.
3. thickness detection apparatus according to claim 1, it is characterised in that the detecting electrode is parallelogram, institute
State detecting electrode obliquely to arrange in a second direction.
4. thickness detection apparatus according to claim 1, it is characterised in that the detecting electrode group is multiple, Duo Gesuo
State detecting electrode group to be arranged along third direction spaced reciprocally, multiple detecting electrode groups in a second direction be located at first
The multiple described detecting electrode of side forms the first detecting electrode row, and multiple detecting electrode groups are located at the in a second direction
The multiple described detecting electrode of two sides forms the second detecting electrode row, and wherein third direction is both perpendicular to first direction and second
Direction.
5. thickness detection apparatus according to claim 4, it is characterised in that a detecting electrode group positioned at described
The detecting electrode of the first detecting electrode row is with the adjacent one detecting electrode group positioned at second detecting electrode
The detecting electrode of row is arranged in correspondence with a second direction.
6. thickness detection apparatus according to claim 1, it is characterised in that two institutes of the same detecting electrode group
State the equivalently-sized of detecting electrode.
7. thickness detection apparatus according to claim 1, it is characterised in that the control unit includes difference channel, described
The input of difference channel is electrically connected with two detecting electrodes for belonging to the same detecting electrode group respectively, the difference
Parallel circuit obtains output valve according to the difference between the output of two detecting electrodes.
8. thickness detection apparatus according to claim 1, it is characterised in that the control unit includes：
One or more first Bit andits control circuits, with the one or more described detection electricity for being located at the first side in a second direction
Extremely one-to-one connection, for exporting the electric signal of the detecting electrode；
One or more second displacement control circuits, with the one or more described detection electricity for being located at the second side in a second direction
Extremely one-to-one connection, for exporting the electric signal of the detecting electrode.
9. thickness detection apparatus according to claim 1, it is characterised in that the thickness detection apparatus also include：
First protection portion, is arranged on the outside of the public electrode；And/or,
Second protection portion, is arranged on the outside of the detecting electrode.
10. thickness detection apparatus according to claim 1, it is characterised in that the thickness detection apparatus also include：
First conductive part, is arranged on the outer surface relative with the detecting electrode of the public electrode；And/or,
Second conductive part, is arranged on the outer surface relative with the public electrode of the detecting electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621009975.1U CN206019569U (en) | 2016-08-31 | 2016-08-31 | Thickness detection apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621009975.1U CN206019569U (en) | 2016-08-31 | 2016-08-31 | Thickness detection apparatus |
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| CN206019569U true CN206019569U (en) | 2017-03-15 |
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ID=58256250
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352783A (en) * | 2016-08-31 | 2017-01-25 | 威海华菱光电股份有限公司 | Thickness detection device |
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2016
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352783A (en) * | 2016-08-31 | 2017-01-25 | 威海华菱光电股份有限公司 | Thickness detection device |
| CN106352783B (en) * | 2016-08-31 | 2020-07-03 | 威海华菱光电股份有限公司 | Thickness detection device |
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