CN219533277U - Online sheet resistance detection device of conductive film - Google Patents
Online sheet resistance detection device of conductive film Download PDFInfo
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- CN219533277U CN219533277U CN202320873831.4U CN202320873831U CN219533277U CN 219533277 U CN219533277 U CN 219533277U CN 202320873831 U CN202320873831 U CN 202320873831U CN 219533277 U CN219533277 U CN 219533277U
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- sheet resistance
- conductive film
- resistance detection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses an online sheet resistance detection device of a conductive film in the technical field of sheet resistance detection instruments, which comprises a fixed axle center and an axle sleeve sleeved outside the fixed axle center, wherein a plurality of sheet resistance detection assemblies are embedded in the axle sleeve, each sheet resistance detection assembly comprises four probes, the tops of the four probes are flush with the outer surface of the axle sleeve, and the sheet resistance detection assemblies are in butt joint with the surface of the fixed axle center through connecting pieces. The problems that an existing sheet resistance detector can only detect the sheet resistance of a small-width conductive film on line, the conductive film with a large width needs to be detected in a static state of the conductive film, an operation method is complex, and detection efficiency is low are solved.
Description
Technical Field
The utility model relates to the technical field of sheet resistance detection instruments, in particular to an online sheet resistance detection device for a conductive film.
Background
The resistance value of the unit square area is called as the sheet resistance, which is an important quality index of the conductive film. After the production of the conductive film is completed, the sheet resistance of the conductive film needs to be detected. Square resistance, also called film resistance, is the same in all resistance measurement values of squares of any size, and the size of the square resistance is only related to the thickness of the conductive film, so that the measurement of the square resistance is widely applied to detecting the thickness of the conductive film and monitoring the uniformity of the film thickness in the production process of the conductive film. The four-probe measurement method is widely applied to square block resistance measurement in various fields, and the four-probe measurement is a necessary means for detection of related preparation processes of various conductive films.
The conventional sheet resistance detection method is to detect at different positions of a film by using a four-probe sheet resistance detector, and conduct the detection with a conductive film to be detected through four probes, so that a measurement loop is formed among the probes, the conductive film and a power supply, and the sheet resistance of the conductive film can be measured. The conventional sheet resistance detectors for detecting the sheet resistance of the conductive film on line only can detect the sheet resistance of the conductive film with small width on line, and the conductive film with large width needs to be detected in a static state of the conductive film, so that the operation method is complex and the detection efficiency is low.
Disclosure of Invention
In order to solve the problems that an existing sheet resistance detector can only detect the sheet resistance of a small-width conductive film on line, and the conductive film with a large width needs to be detected in a static state of the conductive film, an operation method is complex and detection efficiency is low, the utility model provides a conductive film on-line sheet resistance detection device.
The technical scheme of the utility model is as follows:
the utility model provides an online sheet resistance detection device of conductive film, includes fixed axle center, cover is established the axle sleeve in the fixed axle center outside, inlay in the axle sleeve and have a plurality of sheet resistance detection subassembly, every sheet resistance detection subassembly all includes four probes, and four the top of probe with the surface parallel and level of axle sleeve, sheet resistance detection subassembly pass through the connecting piece with the surface butt of fixed axle center.
According to the utility model of the scheme, the sheet resistance detection assembly further comprises a metal sheet used for connecting the probe, one end, away from the metal sheet, of the probe is flush with the outer surface of the shaft sleeve, and the metal sheet is abutted with the connecting piece.
According to the utility model of the scheme, a plurality of sheet resistance detection assemblies are arranged along the length direction of the shaft sleeve.
According to the utility model of the scheme, a plurality of sheet resistance detection assemblies are arranged along the circumferential direction of the shaft sleeve.
According to the utility model of the scheme, a plurality of data transmission cables are arranged in the fixed axle center.
According to the utility model of the above aspect, the part of the fixed shaft center in contact with the connecting member is a conductive ring.
According to the utility model of the above scheme, the surface of the shaft sleeve is provided with a rubber layer.
According to the utility model of the above scheme, the shaft sleeve is made of non-conductive material.
According to the utility model of the scheme, the connecting piece is a spring type contact thimble.
According to the utility model of the scheme, the sheet resistance detection assembly and the connecting piece are made of conductive materials.
The utility model according to the scheme has the beneficial effects that:
in the process of rewinding the conductive film, the conductive film is arranged above a film feeding path of the conductive film on the online sheet resistance detection device, the shaft sleeve rotates along with the movement of the film surface, the sheet resistance detection assembly is in contact with different positions of the conductive film in the rotating process of the shaft sleeve, sheet resistance detection can be carried out on different positions of the width of the conductive film at the same time, sheet resistance detection of the conductive film with large width is not needed, detection is not needed in a static state of the conductive film, sheet resistance of different positions of the film is detected on line in the process of rewinding the conductive film, the operation method is simple, the detection time is saved, and the detection efficiency of the sheet resistance is improved.
In addition, the top of every sheet resistance detection subassembly is parallel and level with the surface of axle sleeve, prevents that sheet resistance detection subassembly from producing the destruction to conductive film, can realize the nondestructive test to conductive film.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a longitudinal cross-sectional view of the present utility model;
FIG. 4 is a transverse cross-sectional view of the present utility model;
FIG. 5 is a schematic view of a fixed hub structure;
FIG. 6 is a schematic diagram of a block detection assembly.
In the figure, 1, fixing an axle center; 11. a data transmission cable; 12. a conductive ring; 2. a shaft sleeve; 3. a sheet resistance detection assembly; 31. a probe; 32. a metal sheet; 4. and a connecting piece.
Description of the embodiments
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1 and 2, the utility model provides an online sheet resistance detection device for a conductive film, which comprises a fixed axle center 1 and a shaft sleeve 2 sleeved outside the fixed axle center 1, wherein a plurality of sheet resistance detection assemblies 3 are embedded in the shaft sleeve 2, the top of each sheet resistance detection assembly 3 is flush with the outer surface of the shaft sleeve 2, and the sheet resistance detection assemblies 3 are in butt joint with the surface of the fixed axle center 1 through connecting pieces 4.
As shown in fig. 3, in this embodiment, the fixed axle center 1 is connected with an external processor, and a plurality of data transmission cables 11 are disposed in the fixed axle center 1, so as to facilitate transmission of electrical signals. The sheet resistance detection assembly 3 transmits the electric signals to the data transmission cable 11 through the connecting piece 4, the data transmission cable 11 transmits the electric signals to the external processor, and the external processor can process the collected electric signals and convert the collected electric signals into sheet resistance data to be output through the display. In addition, a standard value range of the sheet resistance may be set, and the processor may provide an alarm signal when it is detected that the sheet resistance value is not in the standard value range. In addition, one data transmission cable 11 corresponds to one sheet resistance detection component 3, so that sheet resistance detection is performed on different positions of the conductive film.
The configuration of the external processor and the display of the present utility model is not specifically set, and those skilled in the art can select the configuration according to known technical means as long as the object of the present utility model is achieved.
As shown in fig. 4 and 5, in the present embodiment, the portion of the fixed axle center 1 contacting the connector 4 is a conductive ring 12, and the portion of the fixed axle center 1 except the conductive ring 12 is not conductive, and one conductive ring 12 is connected to one data transmission cable 11, so that the sheet resistance detection assemblies 3 at different positions along the width direction of the conductive film can respectively transmit electric signals without affecting each other.
As shown in fig. 1 and 4, in this embodiment, the shaft sleeve 2 is made of a non-conductive material, and the shaft sleeve 2 is sleeved with the fixed shaft center 1, when in use, one end of the shaft sleeve 2 is connected with a power source, the power source drives the shaft sleeve 2 to rotate, the fixed shaft center 1 is fixed, and the connecting piece 4 is in sliding contact with the surface of the fixed shaft center 1, so that online detection of the sheet resistance of the conductive film is realized.
As shown in fig. 1, 2 and 6, in the present embodiment, the sheet resistance detecting elements 3 are made of conductive material, so as to ensure that the plurality of sheet resistance detecting elements 3 are not conductive. The sheet resistance detection assembly 3 comprises four probes 31 and a metal sheet 32 used for connecting the probes 31, one end, far away from the metal sheet 32, of the probes 31 is flush with the outer surface of the shaft sleeve 2, and the metal sheet 32 is abutted with the connecting piece 4; in addition, the surface of the shaft sleeve 2 is provided with a rubber layer, the end part of the probe 31 is in smooth transition with the rubber layer, so that the sheet resistance detection assembly 3 is prevented from damaging the conductive film, and nondestructive detection of the conductive film can be realized. In addition, a plurality of sheet resistance detection assemblies 3 may be disposed along the length direction of the shaft sleeve 2, so that a plurality of points in the width direction of the conductive film can be detected, the plurality of sheet resistance detection assemblies 3 may be disposed on the same line or may not be disposed on the same line, and in actual design, the distribution of the plurality of sheet resistance detection assemblies 3 in the length direction of the shaft sleeve 2 may be designed according to actual needs; meanwhile, a plurality of sheet resistance detection assemblies 3 can be arranged along the circumferential direction of the shaft sleeve 2, and a plurality of points on the length direction of the conductive film can be monitored along with the rotation of the shaft sleeve 2, namely, sheet resistance tests are carried out on a plurality of positions on the conductive film at the same time, so that the detection efficiency is improved. In addition, the number of the sheet resistance detection assemblies 3 can be controlled to control the density of the detection points, and when in actual design, the distribution of the sheet resistance detection assemblies 3 on the shaft sleeve 2 can be designed according to actual needs, so that the density of the detection points is designed.
As shown in fig. 4, in this embodiment, the connecting member 4 is made of a conductive material, and the connecting member 4 may be designed as a spring contact pin, so as to ensure that the spring contact pin is directly subjected to the electrical signal of the sheet resistance detection assembly 3. The spring contact thimble is a connector, plays a role of a bridge, is mainly used for connecting current or transmitting signals, and is widely applied to consumer electronics, automotive electronics, medical treatment, instruments, army, industrial products and the like. Of course, in actual design, the structure of the connector 4 may be designed according to actual needs. The sheet resistance detection assembly 3 is in contact connection with the fixed axle center 1 through a spring type contact thimble, and the fixed axle center 1 receives an electric signal of the sheet resistance detection assembly 3 and transmits the electric signal to an external processor.
In the process of rewinding the conductive film, the conductive film of the utility model is arranged above a film-feeding path of the conductive film, the shaft sleeve 2 rotates along with the movement of the film surface, the sheet resistance detection assembly 3 contacts with different positions of the conductive film in the rotating process of the shaft sleeve 2, the sheet resistance detection assembly 3 transmits an electric signal to the fixed shaft center 1 through the connecting piece 4, the fixed shaft center 1 transmits the electric signal to the external processor, and the external processor can process the collected electric signal and convert the electric signal into sheet resistance data to be output through the display. The utility model can detect the sheet resistance at different positions on the width of the conductive film at the same time, and does not need to detect the sheet resistance of the conductive film with large width in a static state, thereby realizing the online detection of the sheet resistance at different positions of the film in the rewinding process of the conductive film, having simple operation method, saving the detection time and improving the detection efficiency of the sheet resistance.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present.
The direction or position relationship is based on the direction or position relationship shown in the drawings, or the direction or position relationship which is commonly put when the application product is used, or the direction or position relationship which is commonly understood by those skilled in the art, or the direction or position relationship which is commonly put when the application product is used, only for the convenience of describing the utility model and simplifying the description, but does not indicate or imply that the device or element in question must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the utility model.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the implementation of the utility model is not limited by the above manner, and it is within the scope of the utility model to apply the inventive concept and technical solution to other situations as long as various improvements made by the inventive concept and technical solution are adopted, or without any improvement.
Claims (10)
1. The utility model provides a conductive film on-line sheet resistance detection device which characterized in that, is in including fixed axle center, cover and establish the axle sleeve in the fixed axle center outside, inlay in the axle sleeve and have a plurality of sheet resistance detection component, every sheet resistance detection component all includes four probes, and four the top of probe with the surface parallel and level of axle sleeve, sheet resistance detection component pass through the connecting piece with the surface butt of fixed axle center.
2. The device for detecting online sheet resistance of a conductive film according to claim 1, wherein the sheet resistance detecting assembly further comprises a metal sheet for connecting the probe, wherein one end of the probe away from the metal sheet is flush with the outer surface of the shaft sleeve, and the metal sheet is abutted against the connecting piece.
3. The device for detecting online sheet resistance of a conductive film according to claim 1, wherein a plurality of sheet resistance detecting members are provided along a length direction of the sleeve.
4. The device for detecting online sheet resistance of a conductive film according to claim 1, wherein a plurality of sheet resistance detecting members are provided along a circumferential direction of the sleeve.
5. The online sheet resistance detection device of claim 1, wherein a plurality of data transmission cables are disposed in the fixed axis.
6. The device for detecting online sheet resistance of a conductive film according to claim 1, wherein a portion of the fixed shaft center in contact with the connecting member is a conductive ring.
7. The on-line sheet resistance detection device of claim 1, wherein a rubber layer is provided on the surface of the sleeve.
8. The device for on-line sheet resistance detection of a conductive film according to claim 1, wherein the sleeve is made of a non-conductive material.
9. The device for on-line sheet resistance detection of a conductive film according to claim 1, wherein the connecting member is a spring contact pin.
10. The device for detecting online sheet resistance of a conductive film according to claim 1, wherein the sheet resistance detection assembly and the connecting member are made of conductive materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320873831.4U CN219533277U (en) | 2023-04-18 | 2023-04-18 | Online sheet resistance detection device of conductive film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320873831.4U CN219533277U (en) | 2023-04-18 | 2023-04-18 | Online sheet resistance detection device of conductive film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219533277U true CN219533277U (en) | 2023-08-15 |
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ID=87585888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320873831.4U Active CN219533277U (en) | 2023-04-18 | 2023-04-18 | Online sheet resistance detection device of conductive film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219533277U (en) |
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2023
- 2023-04-18 CN CN202320873831.4U patent/CN219533277U/en active Active
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