CN116577589A - Automatic filter testing equipment - Google Patents
Automatic filter testing equipment Download PDFInfo
- Publication number
- CN116577589A CN116577589A CN202310692719.5A CN202310692719A CN116577589A CN 116577589 A CN116577589 A CN 116577589A CN 202310692719 A CN202310692719 A CN 202310692719A CN 116577589 A CN116577589 A CN 116577589A
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- detection
- grudging post
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- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 63
- 238000009434 installation Methods 0.000 claims description 24
- 239000000725 suspension Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims 1
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 230000008859 change Effects 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to the technical field of test equipment, and provides automatic filter test equipment, which can detect a locking type filter tuning screw device after assembly, has better detection reliability and higher detection efficiency, and is more practical.
Description
Technical Field
The invention relates to the technical field of test equipment, in particular to automatic filter test equipment.
Background
As is well known, an automatic filter testing device is a device for filter-assisted detection in a filter production process.
Through searching, china patent with the publication number of CN113236650A, which is published by the year 8 and the month 10 of 2021, discloses a locking type filter tuning screw device and a filter, which are roughly described as comprising a tuning screw assembled on a filter cover plate, wherein the tuning screw is connected with the filter cover plate through threads, an annular telescopic groove which can deform axially is arranged at the threaded connection position of the tuning screw and the filter cover plate, an axial blind hole which extends to the lower part of the corresponding position of the annular telescopic groove is arranged at the upper end of the tuning screw, internal threads are arranged at the lower part or the upper part of the inner wall of the axial blind hole, which is positioned at the corresponding position of the annular telescopic groove, and locking screws which are in matched connection with the internal threads are arranged in the axial blind hole; when the locking screw is screwed with the internal thread in the axial blind hole, the locking screw axially compresses or stretches the annular telescopic groove to enable the annular telescopic groove to elastically deform, and when the device is used, the locking screw axially compresses or stretches the annular telescopic groove to enable the annular telescopic groove to elastically deform, the locking effect between the device and the filter is firm and stable, meanwhile, less materials are adopted by the device, and the filter assembled with the device can realize integral weight reduction.
Although the above-mentioned prior art scheme can be used for installing the filter, and achieve the purpose of improving the locking effect and reducing the weight of the structure to a certain extent, how to guarantee the assembly quality in the practical situation is the basic premise that all the advantages of the locking type filter tuning screw device can be achieved.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides automatic filter testing equipment which can detect a locking type filter tuning screw device after assembly, has better detection reliability, and has higher detection efficiency and is more practical.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an automatic filter test equipment, includes the detection workstation, still includes installation grudging post and auxiliary grudging post, equal fixed connection of installation grudging post and auxiliary grudging post is in the top of detection workstation, and the left end of installation grudging post and the left end parallel and level of detection workstation, rotate between installation grudging post and the auxiliary grudging post and be connected with drive roller and driven voller, the drive roller with the transmission is connected with the conveyer belt between the driven voller, a plurality of supplementary promotion strips of fixedly connected with on the conveyer belt, gear motor is installed to the left end of installation grudging post, gear motor is used for the rotation drive of drive roller, has seted up the mounting hole on the installation grudging post, the rotation of mounting hole is connected with the detection amplifying rod, the rotation of detection amplifying rod is connected with the detection piece, the left end fixedly connected with flat supporting plate of installation grudging post, fixedly connected with mounting bracket is equipped with piezoresistance sensor in the mounting bracket, sliding connection has the pressure contact post, the pressure contact post matches with detection amplifying rod, pressure contact post and the bottom of support and two equal fixed connection of auxiliary suspension support have the top of two equal telescopic bracket.
As a further scheme of this scheme, two the elastic guide subassembly all includes the guide board, two the equal fixedly connected with elasticity gradual change board of rear end of guide board, two the elasticity gradual change board respectively with installation grudging post contact and supplementary grudging post contact, the equal fixedly connected with of one end that keeps away from each other of two guide boards has the guide arm, two equal sliding connection has the uide bushing on the guide arm, two the uide bushing respectively with installation grudging post fixed connection and supplementary grudging post fixed connection.
As a further scheme of this scheme, the detection amplifying rod includes the flexible cover of drive, the flexible cover of drive rotates to be connected in the mounting hole, sliding connection has the actuating lever in the flexible cover of drive, the detection piece with the actuating lever rotates to be connected, and the flexible cover of drive is gone up fixedly connected with lever, the lever with press the touch post to match.
As a further proposal of the proposal, the length of the lever is larger than the whole length formed by the cooperation of the driving telescopic sleeve and the driving rod.
As a further scheme of the scheme, the bottom end of the detection block is provided with a cutting slope.
As a further scheme of this scheme, two the expansion bracket all includes fixed perpendicular cover and flexible montant, two fixed perpendicular cover all with hang support fixed connection, two flexible montant sliding connection respectively erects the cover in two fixed, two flexible montants all with the top fixed connection of detection piece.
As a further scheme of this scheme, the bottom fixedly connected with of detection workstation has a plurality of landing legs.
As a further scheme of the scheme, the bottom ends of the supporting legs are fixedly connected with supporting sheets.
(III) beneficial effects
Compared with the prior art, the invention provides automatic filter testing equipment, which has the following beneficial effects:
1. according to the invention, the detection unit matched with the locking type filter tuning screw device is formed by matching the mounting stand, the flat support plate, the mounting rack, the piezoresistive sensor and the pressure touch column, so that the locking type filter tuning screw device can be detected after being assembled.
2. According to the invention, the detection amplifying structure is formed for the locking type filter tuning screw device through the matching of the detection block and the detection amplifying rod, so that the pressing touch driving of the pressing touch column is conveniently formed, and meanwhile, the movement of the detection block can be amplified and transmitted to the pressing touch column when the locking type filter tuning screw device passes through the lower part of the detection block, so that the detection sensitivity is ensured, and the detection reliability is good.
3. According to the invention, the auxiliary placement and movement structure of the locking type filter tuning screw device is formed by matching the detection workbench, the mounting stand, the auxiliary stand, the driving roller, the driven roller, the conveyor belt, the auxiliary pushing bar and the gear motor, so that the detection assembly line for the locking type filter tuning screw device can be formed, the detection efficiency is higher, and the detection assembly line is more practical.
Drawings
FIG. 1 is a schematic perspective view of the whole structure of the present invention;
FIG. 2 is a schematic view of a partial enlarged structure of the present invention at A in FIG. 1;
FIG. 3 is a schematic perspective view of the mounting stand, auxiliary stand, drive roller, etc. of the present invention;
FIG. 4 is a schematic diagram of a three-dimensional structure of the detection block and the telescopic vertical rod of the invention;
FIG. 5 is a schematic perspective view of another angle of the whole of the present invention;
FIG. 6 is a schematic perspective view of another angle of the fitting of the mounting stand, auxiliary stand and drive roller of the present invention;
FIG. 7 is a schematic view of the overall bottom perspective of the present invention;
fig. 8 is a partially enlarged schematic view of the structure of fig. 7B according to the present invention.
In the figure: 1. a detection workbench; 2. installing a vertical frame; 3. an auxiliary stand; 4. a driving roller; 5. driven roller; 6. a conveyor belt; 7. auxiliary pushing strips; 8. a speed reducing motor; 9. a mounting hole; 10. a detection block; 11. a flat support plate; 12. a mounting frame; 13. pressing the contact column; 14. a suspension bracket; 15. a guide plate; 16. an elastic gradual change plate; 17. a guide rod; 18. a guide sleeve; 19. driving the telescopic sleeve; 20. a driving rod; 21. a lever; 22. cutting into the slope; 23. fixing the vertical sleeve; 24. a telescopic vertical rod; 25. a support leg; 26. and a support sheet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1-8, an automatic filter testing device comprises a detection workbench 1, and further comprises a mounting stand 2 and an auxiliary stand 3, wherein the mounting stand 2 and the auxiliary stand 3 are fixedly connected to the top end of the detection workbench 1, the left end of the mounting stand 2 is flush with the left end of the detection workbench 1, the right end of the auxiliary stand 3 is flush with the right end of the detection workbench 1, a driving roller 4 and a driven roller 5 are rotatably connected between the mounting stand 2 and the auxiliary stand 3, a conveyor belt 6 is in transmission connection between the driving roller 4 and the driven roller 5, a plurality of auxiliary push strips 7 are fixedly connected to the conveyor belt 6, a speed reducing motor 8 is mounted at the left end of the mounting stand 2, the speed reducing motor 8 is used for driving the rotation of the driving roller 4, the detection workbench 1, the mounting stand 2, the auxiliary stand 3, the driving roller 4, the driven roller 5, the conveyor belt 6, the auxiliary push strips 7 and the speed reducing motor 8 are matched to form an auxiliary placement and moving structure of a locking filter tuning screw device, the detection efficiency is higher, the detection efficiency is better, the detection device is better than the detection efficiency of the locking filter tuning screw device, an amplifying type filter tuning device is formed by the aid of a touch-down amplifier, and the touch-down amplifier type filter tuning device is formed by the installation hole 10, and the touch-down amplifier type filter tuning device is formed by the touch-down amplifier 10, and the touch-down amplifier is conveniently connected to the detection device through the detection roller 10, and the detection amplifier 10.
It is still further to explain that, the left end fixedly connected with flat extension board 11 of installation grudging post 2, fixedly connected with mounting bracket 12 on the flat extension board 11, install piezoresistance sensor in the mounting bracket 12, mounting bracket 12 sliding connection has pressure feeler post 13, pressure feeler post 13 and detection amplifying rod match, the bottom of pressure feeler post 13 and the top contact of piezoresistance sensor, through installation grudging post 2, flat extension board 11, mounting bracket 12, piezoresistance sensor and the cooperation of pressure feeler post 13, form the detection unit that forms with locking type filter tuning screw device is supporting, can carry out the detection after assembling to locking type filter tuning screw device, fixedly connected with cantilever bracket 14 on the auxiliary grudging post 3, the bottom fixedly connected with two expansion brackets of cantilever bracket 14, the bottom of two expansion brackets all is connected with the top of detection piece 10, the one end that is close to each other of installation grudging post 2 and auxiliary grudging post 3 all is provided with the elastic guide assembly, two elastic guide assembly all includes guide plate 15, the equal fixedly connected with elastic gradual change board 16 in the rear end of two guide plate 15, two elastic gradual change board 16 respectively with installation grudging post 2 and two guide plate 3, it has the mutual guide plate 17 to keep away from the fixed connection of two guide plates 17 and two guide plate 3, the mutual supporting guide plate 17 and the detection device that need to form the fixed connection is supporting guide sleeve of two guide plate 17, the side-guide plate 3 is connected with two guide plate 3 and is supporting, the detection grudging post 3 is supporting, the supporting and is connected with the detection device is supporting and is supporting with the supporting and is equipped with the guide plate 17.
Still need further to explain, the detection amplifying rod includes the drive telescopic sleeve 19, the drive telescopic sleeve 19 rotates to be connected in mounting hole 9, sliding connection has actuating lever 20 in the drive telescopic sleeve 19, detect piece 10 and actuating lever 20 rotate to be connected, fixedly connected with lever 21 on the drive telescopic sleeve 19, lever 21 matches with pressure touch post 13, the length of lever 21 is greater than the whole length that drive telescopic sleeve 19 and actuating lever 20 both cooperate and forms, the bottom of detecting piece 10 is provided with cut-in slope 22, supporting locking formula wave filter tuning screw device forms auxiliary drive, two expansion brackets all include fixed perpendicular cover 23 and flexible montant 24, two fixed perpendicular covers 23 all with hang support 14 fixed connection, two flexible montant 24 are respectively sliding connection in two fixed perpendicular covers 23, the top fixed connection of two flexible montant 24 all with detecting piece 10, when realizing the elevating movement of detecting the frame, the bottom fixed connection of detecting work platform 1 has a plurality of landing legs 25, realize the supporting to detecting work platform 1's support, the bottom of a plurality of landing leg 25 all fixed connection has supporting piece 26, improve the landing leg 25 and place between the area.
The gear motor in this embodiment is conventional equipment known to those skilled in the art purchased in the market, in this patent, we only use it, but not improve its structure and function, its setting mode, installation mode and electric connection mode, to the person skilled in the art, only need according to the requirement of its instruction manual debug operation, do not need to be described here again, and gear motor is provided with the control switch that matches with it, control switch's mounted position is selected according to the actual use demand, the operating personnel of being convenient for operate control can.
In summary, the working process of the automatic filter testing device is that, when in use, the automatic filter testing device is firstly placed at a place where the automatic filter testing device is required to be used, the gear motor 8 is connected with a corresponding control circuit according to the specification, the piezoresistive sensor is provided with a corresponding indicator light, and the piezoresistive sensor is provided with a corresponding circuit, when the locking type filter tuning screw device arranged on the filter is detected, the gear motor 8 is firstly started, the gear motor 8 is electrified to drive the driving roller 4 to rotate, the driving roller 4 rotates to drive the conveying belt 6 to rotate, after the conveying belt 6 moves steadily, the filter to be detected is placed in the direction from the top end of the conveying belt 6 to the rear, one surface of the filter, along with the movement of the conveying belt 6, moves forwards synchronously, when the filter is in contact with the detecting block 10, and under the auxiliary action of the cut-in 22 on the detecting block 10, the detecting block 10 is pushed to rise along with the movement of the filter, the detecting block 10 rises along with the movement of the filter, the detecting block is pressed down along with the slope, the detecting block is pressed down along with the pressing of the detecting block, the indicator light is pressed down by the detecting block 10, the indicator light is pressed down along with the slope, and the pressure of the detecting block is pressed down, and the indicator light is pressed down along with the detecting block is pressed down, and the slope 13 is pressed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an automatic filter test equipment, includes detection workstation (1), its characterized in that still includes installation grudging post (2) and auxiliary grudging post (3), equal fixed connection of installation grudging post (2) and auxiliary grudging post (3) is in the top of detection workstation (1), and the left end of installation grudging post (2) and the left end parallel and level of detection workstation (1), the right-hand member of auxiliary grudging post (3) and the right-hand member parallel and level of detection workstation (1), rotate between installation grudging post (2) and auxiliary grudging post (3) and be connected with drive roller (4) and driven roller (5), drive roller (4) with transmission between driven roller (5) is connected with conveyer belt (6), fixedly connected with a plurality of supplementary pushbars (7) on conveyer belt (6), gear motor (8) are installed to the left end of installation grudging post (2), gear motor (8) are used for the rotation drive of drive roller (4), set up mounting hole (9) on installation grudging post (2), rotation is connected with detection amplification block (4), install and press down the fixed connection in mounting bracket (12) and install flat-top-down device (12), the installing frame (12) sliding connection has pressure touch post (13), pressure touch post (13) and detection amplify the pole and match, the bottom of pressure touch post (13) with piezoresistive sensor's top contact, fixedly connected with suspension support (14) on supplementary grudging post (3), suspension support (14)'s bottom fixedly connected with two expansion brackets, two the bottom of expansion bracket is all connected with the top of detecting piece (10), and the one end that is close to each other of installation grudging post (2) and supplementary grudging post (3) all is provided with elastic guidance subassembly.
2. An automatic filter testing device according to claim 1, characterized in that both elastic guide assemblies comprise guide plates (15), the rear ends of both guide plates (15) are fixedly connected with elastic gradient plates (16), both elastic gradient plates (16) are respectively contacted with the installation stand (2) and the auxiliary stand (3), one ends, far away from each other, of both guide plates (15) are fixedly connected with guide rods (17), both guide rods (17) are slidably connected with guide sleeves (18), and both guide sleeves (18) are respectively fixedly connected with the installation stand (2) and the auxiliary stand (3).
3. The automatic filter testing equipment according to claim 2, wherein the detection amplifying rod comprises a driving telescopic sleeve (19), the driving telescopic sleeve (19) is rotatably connected in the mounting hole (9), a driving rod (20) is slidably connected in the driving telescopic sleeve (19), the detection block (10) is rotatably connected with the driving rod (20), a lever (21) is fixedly connected on the driving telescopic sleeve (19), and the lever (21) is matched with the pressure contact column (13).
4. A filter automatic test equipment according to claim 3, characterized in that the length of the lever (21) is greater than the overall length of the drive telescopic sleeve (19) and the drive rod (20) engaged.
5. An automatic filter testing device according to claim 4, characterized in that the bottom end of the detection block (10) is provided with a cut-in slope (22).
6. The automatic filter testing equipment according to claim 5, wherein the two telescopic brackets comprise a fixed vertical sleeve (23) and a telescopic vertical rod (24), the two fixed vertical sleeves (23) are fixedly connected with the suspension bracket (14), the two telescopic vertical rods (24) are respectively and slidably connected in the two fixed vertical sleeves (23), and the two telescopic vertical rods (24) are fixedly connected with the top end of the detection block (10).
7. The automatic filter testing equipment according to claim 6, wherein the bottom end of the detection workbench (1) is fixedly connected with a plurality of supporting legs (25).
8. An automatic filter testing device according to claim 7, wherein the bottom ends of the plurality of legs (25) are each fixedly connected with a support sheet (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310692719.5A CN116577589B (en) | 2023-06-13 | 2023-06-13 | Automatic filter testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310692719.5A CN116577589B (en) | 2023-06-13 | 2023-06-13 | Automatic filter testing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116577589A true CN116577589A (en) | 2023-08-11 |
| CN116577589B CN116577589B (en) | 2023-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310692719.5A Active CN116577589B (en) | 2023-06-13 | 2023-06-13 | Automatic filter testing equipment |
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| Country | Link |
|---|---|
| CN (1) | CN116577589B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980085279A (en) * | 1997-05-28 | 1998-12-05 | 윤종용 | Synchro Filter Control |
| JP2005265413A (en) * | 2004-03-16 | 2005-09-29 | Sumitomo Metal Mining Co Ltd | Filter device with filter automatic feed function for filtering analyzing test solution |
| KR20100060781A (en) * | 2008-11-28 | 2010-06-07 | 브이제트에이영원주식회사 | Magnetostrictive sensor and device for detecting welding quality using the same |
| CN111025381A (en) * | 2019-12-26 | 2020-04-17 | 吉林大学 | Piezoresistive geophone based on graphene |
| CN213091778U (en) * | 2020-09-11 | 2021-04-30 | 深圳市同惠仪器有限公司 | Automatic test equipment for filter |
| EP3889620A1 (en) * | 2018-12-29 | 2021-10-06 | Huawei Technologies Co., Ltd. | Current detection system, current detection method, and detection apparatus |
| CN113624379A (en) * | 2021-08-05 | 2021-11-09 | 南通宏大机电制造有限公司 | Dynamometer with balance base |
| CN217085048U (en) * | 2022-03-25 | 2022-07-29 | 抚州市骏菱电子科技有限公司 | Filter debugging detection tool |
| CN115096240A (en) * | 2022-07-05 | 2022-09-23 | 于都县昇达电子制造有限公司 | Filter quality detection device |
-
2023
- 2023-06-13 CN CN202310692719.5A patent/CN116577589B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980085279A (en) * | 1997-05-28 | 1998-12-05 | 윤종용 | Synchro Filter Control |
| JP2005265413A (en) * | 2004-03-16 | 2005-09-29 | Sumitomo Metal Mining Co Ltd | Filter device with filter automatic feed function for filtering analyzing test solution |
| KR20100060781A (en) * | 2008-11-28 | 2010-06-07 | 브이제트에이영원주식회사 | Magnetostrictive sensor and device for detecting welding quality using the same |
| EP3889620A1 (en) * | 2018-12-29 | 2021-10-06 | Huawei Technologies Co., Ltd. | Current detection system, current detection method, and detection apparatus |
| CN111025381A (en) * | 2019-12-26 | 2020-04-17 | 吉林大学 | Piezoresistive geophone based on graphene |
| CN213091778U (en) * | 2020-09-11 | 2021-04-30 | 深圳市同惠仪器有限公司 | Automatic test equipment for filter |
| CN113624379A (en) * | 2021-08-05 | 2021-11-09 | 南通宏大机电制造有限公司 | Dynamometer with balance base |
| CN217085048U (en) * | 2022-03-25 | 2022-07-29 | 抚州市骏菱电子科技有限公司 | Filter debugging detection tool |
| CN115096240A (en) * | 2022-07-05 | 2022-09-23 | 于都县昇达电子制造有限公司 | Filter quality detection device |
Non-Patent Citations (1)
| Title |
|---|
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| Publication number | Publication date |
|---|---|
| CN116577589B (en) | 2023-10-31 |
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