CN112578183A - Resistance testing device and method for IIR digital filter production - Google Patents
Resistance testing device and method for IIR digital filter production Download PDFInfo
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- CN112578183A CN112578183A CN202011449584.2A CN202011449584A CN112578183A CN 112578183 A CN112578183 A CN 112578183A CN 202011449584 A CN202011449584 A CN 202011449584A CN 112578183 A CN112578183 A CN 112578183A
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- 238000012360 testing method Methods 0.000 title claims abstract description 56
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims description 5
- 238000001514 detection method Methods 0.000 claims abstract description 70
- 239000000523 sample Substances 0.000 claims abstract description 42
- 230000002457 bidirectional effect Effects 0.000 claims description 19
- 238000004804 winding Methods 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 6
- 241000883990 Flabellum Species 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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- 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
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- 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
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Abstract
The invention discloses a resistance testing device for IIR digital filter production and a testing method thereof, and the resistance testing device comprises a shell body, supporting legs, an electric push rod and a detection probe, wherein the bottom parts of the left end and the right end of the shell body are respectively provided with the supporting legs through screws, the middle part of the bottom surface of the shell body is provided with the electric push rod through screws, the output end of the electric push rod is connected with a fixed plate through screws, the inside of the left end of the shell body is connected with a filter plate in a clamping manner, the right side of the filter plate is provided with a cross rod, the right end of the cross rod is connected with a shell body bearing, the inner walls of the upper side surface and the lower side. The resistance testing device and the testing method for the IIR digital filter are provided with the two detection blocks, so that later-stage detection work is facilitated, a worker does not need to hold the detection probe to be in contact with the resistor all the time, and the operation is convenient and simple.
Description
Technical Field
The invention relates to the technical field related to IIR digital filters, in particular to a resistance value testing device for IIR digital filter production and a testing method thereof.
Background
The IIR digital filter is one of a plurality of filters, the types of the filters are different according to different functions and principles, the IIR digital filter is provided with a feedback loop in the filtering process, the ripple coefficient of output voltage can be reduced through the IIR digital filter, so that the waveform becomes smoother, the interference of signals is reduced, the resistance value of the IIR digital filter needs to be tested in the production and preparation processes, and therefore a resistance value testing device is available in the market at present, but the resistance value testing device still has certain problems in use, for example
1. When the existing resistance value testing device tests the resistance value of the IIR digital filter, the bottom ends of a red probe and a black probe need to be in contact test with two ends of a resistor, and the bottom ends of the red probe and the black probe of the existing resistance value testing device are only in contact with two ends of the resistor by being held by hands of a person for detection, so that poor contact is easy to occur, and the accuracy of later-stage test data is influenced;
2. the existing resistance value testing device needs a filtering mechanism to dissipate heat of a ventilation opening, and the filtering mechanism needs to clean impurities on the surface of the filtering mechanism after being used for a period of time, so that the operation is troublesome;
therefore, a resistance testing device and a resistance testing method for IIR digital filter production are provided to solve the above problems.
Disclosure of Invention
The invention aims to provide a resistance testing device for IIR digital filter production and a testing method thereof, and aims to solve the problems that the existing resistance testing device in the prior market provided by the background art is easy to cause poor contact and further influences the accuracy of later-stage test data because the bottom ends of a red probe and a black probe are only in contact with the two ends of a resistor by being held by hands, a filtering mechanism is required to be used for radiating heat of a vent, and impurities on the surface of the filtering mechanism are required to be cleaned after the filtering mechanism is used for a period of time, so that the operation is troublesome.
In order to achieve the purpose, the invention provides the following technical scheme: a resistance testing device for IIR digital filter production comprises a shell body, supporting legs, an electric push rod and a detection probe, wherein the bottom parts of the left end and the right end of the shell body are respectively provided with the supporting legs through screws, the middle part of the bottom surface of the shell body is provided with the electric push rod through screws, the output end of the electric push rod is connected with a fixed plate through screws, the inside of the left end of the shell body is clamped and connected with a filter plate, the right side of the filter plate is provided with a cross rod, the right end of the cross rod is connected with a shell body bearing, the inner walls of the upper side surface and the lower side surface of the left side surface of the shell body are respectively provided with a positioning groove and a moving groove, the inside of the left side and the right side of the fixed plate is provided with the detection probe, the front side and the rear side of the detection, the outer sides of the front end and the rear end of the bidirectional lead screw are respectively connected with a moving block in a penetrating manner, the front end of the bidirectional lead screw penetrates through the front side face of the fixing plate, the bottom end inner bearing of the detection probe is connected with an adjusting shaft rod, one end outer side key of the adjusting shaft rod is connected with a rope winding disc, the other end of the adjusting shaft rod penetrates through the nesting and is provided with a torsion spring, one end of the torsion spring is connected with the detection probe, the other end of the torsion spring is connected with the adjusting shaft rod through a screw, the middle outer side key of the adjusting shaft rod is connected with a connecting block, the bottom end of the connecting block is integrally fixed with a detection block, the outer side winding screw of the rope winding disc is fixed with a connecting rope, the top screw of the connecting rope is fixed with an electric push rod, the right.
Preferably, the fixed plate is arranged in an I-shaped structure, the extrusion plate on the inner side of the fixed plate is arranged in an arc-shaped structure, and the extrusion plate and the moving block are arranged in a one-to-one correspondence manner.
Preferably, the detection blocks form a rotating structure through the adjusting shaft rod and the detection probes, the number of the detection probes and the number of the detection blocks are 1:2, and the two detection blocks are arranged in an inclined structure.
Preferably, the equal fix with screw in upper and lower both ends of filter has the locating piece, and the equal fix with screw in right side at the upper and lower both ends of filter has the connecting rod to the connecting rod is "L" shape structure setting, and the locating piece block is placed in the constant head tank.
Preferably, the connecting rod is clamped and placed in the moving groove, and the top end of the connecting rod is connected with the return spring screw in the moving groove.
Preferably, the fan blades are fixed on the outer side of the middle of the cross rod at equal intervals through screws, and the convex rod is mounted on the outer side of the left end of the cross rod through screws.
Preferably, the protruding rod is arranged in a 7-shaped structure, the protruding rod is attached to the protruding block, and the protruding block is arranged in a semicircular structure.
Preferably, the number of the moving blocks and the number of the bidirectional screw rods are 2:1, the thread directions in the 2 moving blocks are opposite, and the moving blocks and the fixed plate form a sliding structure through the bidirectional screw rods.
The invention provides another technical scheme for providing a testing method of a resistance testing device for producing an IIR digital filter, which comprises the following steps:
s1: the whole device is placed at a proper position under the action of the supporting legs, then red and black detection probes are sequentially fixed on the fixing plate, and then the resistance value testing device is corrected;
s2: simultaneously connecting the top ends of the red and black detection probes with corresponding ports on the front side surface of the shell body;
s3: then, a resistor used in the production of the IIR digital filter is placed below the resistance testing device;
s4: then, the electric push rod is started, so that the electric push rod drives the fixing plate to descend, and the two detection blocks rotate at the same time, so that the two detection blocks are matched with each other to clamp and fix one end of the resistor, and later detection is facilitated;
s5: the resistance can then be tested and the data can be viewed through the display screen on the front side of the housing body.
Compared with the prior art, the invention has the beneficial effects that: the resistance value testing device for the production of the IIR digital filter and the testing method thereof;
1. the two detection blocks are arranged, and the single detection block in the existing market is replaced by the arrangement of the two detection blocks, so that the two detection blocks are matched with each other to well clamp one end of the resistor, the later detection work is facilitated, a worker does not need to hold the detection probe all the time to contact the resistor, and the operation is convenient and simple;
2. the connecting rope and the rope winding disc are fixed, the fixing plate is driven to descend through the output end of the electric push rod, so that the connecting rope is pulled, the connecting rope drives the rope winding disc to rotate, the rope winding disc drives the adjusting shaft lever to rotate, the adjusting shaft lever drives the connecting block and the detecting blocks to rotate, the distance between the two detecting blocks is reduced, the two detecting blocks are in contact detection with the resistor, and manual operation of workers is not needed;
3. be fixed with the horizontal pole, it is rotatory to drive the horizontal pole through the motor, make the horizontal pole drive the nose bar and rotate, so that the nose bar is promoted left to the lug of intermittent type formula when rotatory, make the lug drive the filter and control reciprocating motion, so that the filter is fine to reciprocate to control and to rock, avoid the phenomenon that the inside of filter takes place to block up, so that the filter is fine to use, simultaneously can produce certain amount of wind through the rotation of flabellum and to the fine heat dissipation treatment that carries on of the inside of casing main part.
Drawings
FIG. 1 is a schematic main sectional view of the present invention;
FIG. 2 is a schematic main sectional view of a fixing plate according to the present invention;
FIG. 3 is a schematic view of a main sectional structure of the lower end of the inspection probe of the present invention;
FIG. 4 is a schematic top cross-sectional view of a retaining plate according to the present invention;
FIG. 5 is a left sectional structural view of the inspection probe of the present invention;
FIG. 6 is a schematic cross-sectional view of the left end of the main body of the housing of the present invention;
FIG. 7 is an enlarged view of the structure at A in FIG. 6 according to the present invention.
In the figure: 1. a housing main body; 2. supporting legs; 3. an electric push rod; 4. detecting a probe; 5. a fixing plate; 6. a detection block; 7. a filter plate; 8. a cross bar; 9. a pressing plate; 10. a connecting rod; 11. connecting blocks; 12. a bidirectional screw rod; 13. a moving block; 14. connecting ropes; 15. adjusting the shaft lever; 16. a torsion spring; 17. a rope winding disc; 18. a bump; 19. a fan blade; 20. a nose bar; 21. positioning blocks; 22. positioning a groove; 23. a return spring; 24. the slot is moved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a resistance testing device for producing an IIR digital filter comprises a shell body 1, supporting legs 2, electric push rods 3, a detection probe 4, a fixing plate 5, a detection block 6, a filter plate 7, a cross rod 8, an extrusion plate 9, a connecting rod 10, a connecting block 11, a bidirectional screw rod 12, a moving block 13, a connecting rope 14, an adjusting shaft rod 15, a torsion spring 16, a rope winding disc 17, a convex block 18, a fan blade 19, a convex rod 20, a positioning block 21, a positioning groove 22, a reset spring 23 and a moving groove 24, wherein the bottom of the left end and the right end of the shell body 1 are respectively provided with the supporting legs 2 through screws, the middle part of the bottom surface of the shell body 1 is provided with the electric push rods 3 through screws, the output end of the electric push rods 3 is connected with the fixing plate 5 through screws, the inside of the left end of the shell body 1 is connected with the filter plate 7 in, the inner walls of the upper side surface and the lower side surface of the left side surface of the shell body 1 are respectively provided with a positioning groove 22 and a moving groove 24, the right side of the positioning groove 22 is provided with the moving groove 24, the detection probes 4 are placed inside the left side and the right side of the fixed plate 5, the front side and the rear side of the detection probes 4 are respectively provided with a pressing plate 9 in a fit manner, the inner end of the pressing plate 9 is fixed with a moving block 13 through a screw, the inside of the left end and the right end of the fixed plate 5 is in bearing connection with a bidirectional screw 12, the outer sides of the front end and the rear end of the bidirectional screw 12 are in through threaded connection with the moving block 13, the front end of the bidirectional screw 12 penetrates through the front side surface of the fixed plate 5, the inner bearing at the bottom end of the detection probe 4 is connected with an adjusting shaft lever, and the other end of the torsion spring 16 is in screwed connection with the adjusting shaft lever 15, the middle outside key of the adjusting shaft lever 15 is connected with the connecting block 11, the bottom end of the connecting block 11 is integrally fixed with the detection block 6, the outside winding screw of the rope winding disc 17 is fixed with the connecting rope 14, the top end screw of the connecting rope 14 is fixed with the electric push rod 3, the right side surface screw of the filter plate 7 is fixed with the convex block 18, and the inside screw of the moving groove 24 is fixed with the reset spring 23.
The fixed plate 5 is arranged in an I-shaped structure, the extrusion plates 9 on the inner side of the fixed plate 5 are arranged in an arc-shaped structure, the extrusion plates 9 and the moving blocks 13 are arranged in a one-to-one correspondence manner, and the fixed plate 5 is arranged in the I-shaped structure, so that the fixed plate 5 can well place the two detection probes 4;
the detection blocks 6 and the detection probe 4 form a rotating structure through the adjusting shaft rod 15, the number of the detection probes 4 and the detection blocks 6 is 1:2, the two detection blocks 6 are arranged in an inclined structure, and the two detection blocks 6 are mutually matched with each other to well clamp and fix a test area through the arrangement of the structure, so that the influence on a later test result caused by poor contact and falling off is avoided;
the upper end and the lower end of the filter plate 7 are respectively fixed with a positioning block 21 through screws, the right sides of the upper end and the lower end of the filter plate 7 are respectively provided with a connecting rod 10 through screws, the connecting rods 10 are arranged in an L-shaped structure, the positioning blocks 21 are clamped and placed in the positioning grooves 22, and the filter plate 7 slides left and right to avoid internal blockage of the filter plate 7;
the connecting rod 10 is clamped and placed in the moving groove 24, and the top end of the connecting rod 10 is in screw connection with the return spring 23 in the moving groove 24, so that the connecting rod 10 is clamped and placed in the moving groove 24, and the connecting rod 10 can stably move in the moving groove 24;
the convex rod 20 is arranged in a 7-shaped structure, the convex rod 20 is attached to the convex block 18, the convex block 18 is arranged in a semicircular structure, the convex rod 20 is arranged in a 7-shaped structure, the convex rod 20 is attached to the convex block 18, and the convex block 18 is arranged in a semicircular structure, so that the convex rod 20 can push the extrusion plate 9 to move the convex block 18 well;
the number of the moving blocks 13 and the number of the bidirectional screw rods 12 are 2:1, the thread directions in the 2 moving blocks 13 are opposite, and the moving blocks 13 and the fixed plate 5 form a sliding structure through the bidirectional screw rods 12, so that the moving blocks 13 can drive
In order to better show the testing method of the resistance testing device for IIR digital filter production, the testing method of the resistance testing device for IIR digital filter production in this embodiment includes the following steps:
the first step is as follows: the whole device is placed at a proper position under the action of the supporting legs 2, then the red and black detection probes 4 are sequentially fixed on the fixing plate 5, and then the resistance value testing device is corrected;
the second step is that: simultaneously, the top ends of the red and black detection probes 4 are connected with the corresponding ports on the front side surface of the shell body 1;
the third step: then, a resistor used in the production of the IIR digital filter is placed below the resistance testing device;
the fourth step: then, the electric push rod 3 is started, so that the electric push rod 3 drives the fixing plate 5 to descend, and the two detection blocks 6 rotate at the same time, so that the two detection blocks 6 are matched with each other to clamp and fix one end of the resistor, and later-stage detection is facilitated;
the fifth step: the resistance can then be tested and the data can be viewed through the display screen on the front side of the housing body 1.
The working principle of the embodiment is as follows: when the resistance value testing device and the testing method for the IIR digital filter are used, firstly, the whole device is moved into a working area as shown in an attached drawing 1, after the device reaches the working area, red and black detection probes 4 are respectively placed into the left side and the right side of a fixed plate 5 as shown in an attached drawing 2 and an attached drawing 4, then corresponding bidirectional screw rods 12 are manually rotated, the bidirectional screw rods 12 drive moving blocks 13 in threaded connection with the outer sides of the front end and the rear end to move towards the center of the bidirectional screw rods 12 simultaneously when rotating, then the moving blocks 13 drive extrusion plates 9 to move when moving, so that the two extrusion plates 9 are mutually matched to extrude and fix the detection probes 4, the detection probes 4 are conveniently fixed in the fixed plate 5, and then the top ends of the detection probes 4 are inserted into connecting jacks in a shell body 1;
then when the resistance of the resistor in the IIR digital filter needs to be tested, the resistor in the IIR digital filter is placed below the detection block 6, then as shown in fig. 1-3 and fig. 5, the electric push rod 3 is started, the lower output end of the electric push rod 3 drives the fixing plate 5 to descend, after detection, the fixing plate 5 drives the detection probe 4 to descend, the fixing plate 5 pulls the connecting rope 14 when descending, so that the bottom end of the connecting rope 14 drives the rope winding disc 17 to rotate, the rope winding disc 17 drives the adjusting shaft lever 15 connected with the internal key to rotate, meanwhile, the adjusting shaft lever 15 stores force on the torsion spring 16 when rotating, so that the adjusting shaft lever 15 is driven by the stored force of the torsion spring 16 to reversely rotate and reset, the adjusting shaft lever 15 drives the connecting block 11 connected with the external key to move together with the detection block 6 when rotating, therefore, the two connecting blocks 11 and the detection blocks 6 rotate, so that the two detection blocks 6 are matched with each other to clamp and fix one end of the resistor, and the resistor is conveniently and stably tested;
the data result of the test can be observed by watching the display screen on the surface of the shell body 1 in the test process, when the whole shell body 1 is used, the motor at the right end of the cross rod 8 is started, the cross rod 8 is driven to rotate by the motor, the cross rod 8 is as shown in figure 1 and figure 6-7 when rotating, the cross rod 8 drives the convex rod 20 to rotate, so that the convex rod 20 pushes the convex block 18 to move, and further the convex block 18 drives the filter plate 7 to move leftwards, at the moment, the filter plate 7 drives the connecting rod 10 to move leftwards, so that the connecting rod 10 extrudes and stores the force on the reset spring 23 in the moving groove 24, meanwhile, the positioning blocks 21 at the upper side and the lower side of the filter plate 7 slide in the positioning grooves 22, the separation of the filter plate 7 from the shell body 1 is avoided, and further, the filter plate 7 can reciprocate leftwards, avoid the inside mesh of filter 7 to take place to block up, conveniently clear up the impurity on filter 7 surfaces, drive flabellum 19 through horizontal pole 8 simultaneously and rotate for flabellum 19 is fine dispels the heat and cools down the inside of casing main part 1, from this, accomplishes a series of works.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a resistance testing arrangement is used in production of IIR digital filter, includes casing main part (1), supporting leg (2), electric putter (3) and test probe (4), its characterized in that: the support legs (2) are mounted at the bottoms of the left end and the right end of the shell body (1) through screws, the electric push rod (3) is mounted at the middle part of the bottom surface of the shell body (1) through screws, the output end of the electric push rod (3) is connected with the fixed plate (5) through screws, the filter plate (7) is connected with the left end of the shell body (1) in a clamping mode, the right side of the filter plate (7) is provided with a cross rod (8), the right end of the cross rod (8) is connected with the shell body (1) through a bearing, the inner walls of the upper side surface and the lower side surface of the left side surface of the shell body (1) are respectively provided with a positioning groove (22) and a moving groove (24), the detecting probes (4) are placed inside the left side and the right side of the fixed plate (5), and the front side and, a moving block (13) is fixed at the inner end of the extrusion plate (9) through a screw, a bidirectional screw rod (12) is connected to the inner portions of the left end and the right end of the fixed plate (5) through bearings, the outer sides of the front end and the rear end of the bidirectional screw rod (12) are connected with the moving block (13) through threads, the front end of the bidirectional screw rod (12) penetrates through the front side face of the fixed plate (5), an adjusting shaft lever (15) is connected to the inner portion of the bottom end of the detection probe (4) through a bearing, a rope winding disc (17) is connected to the outer side of one end of the adjusting shaft lever (15), a torsion spring (16) is arranged at the other end of the adjusting shaft lever (15) in a penetrating and nesting mode, one end of the torsion spring (16) is connected with the detection probe (4), the other end of the torsion spring (16) is connected with, and the bottom end of the connecting block (11) is integrally fixed with a detection block (6), the outer side of the rope winding disc (17) is wound with a connecting rope (14) through a screw, the top end of the connecting rope (14) is fixed with an electric push rod (3), the right side face of the filter plate (7) is fixed with a convex block (18) through a screw, and the inner part of the moving groove (24) is fixed with a reset spring (23) through a screw.
2. The resistance test device for producing the IIR digital filter according to claim 1, wherein: the fixed plate (5) is arranged in an I-shaped structure, the extrusion plate (9) on the inner side of the fixed plate (5) is arranged in an arc-shaped structure, and the extrusion plate (9) and the moving block (13) are arranged in a one-to-one correspondence manner.
3. The resistance test device for producing the IIR digital filter according to claim 1, wherein: the detection blocks (6) and the detection probes (4) form a rotating structure through the adjusting shaft rod (15), the number of the detection probes (4) and the number of the detection blocks (6) are 1:2, and the two detection blocks (6) are arranged in an inclined structure.
4. The resistance test device for producing the IIR digital filter according to claim 1, wherein: the filter is characterized in that positioning blocks (21) are fixed to the upper end and the lower end of the filter plate (7) through screws, connecting rods (10) are mounted on the right sides of the upper end and the lower end of the filter plate (7) through screws, the connecting rods (10) are arranged in an L-shaped structure, and the positioning blocks (21) are clamped in positioning grooves (22).
5. The resistance test device for producing the IIR digital filter according to claim 4, wherein: the connecting rod (10) is clamped and placed in the moving groove (24), and the top end of the connecting rod (10) is in screw connection with the return spring (23) in the moving groove (24).
6. The resistance test device for producing the IIR digital filter according to claim 1, wherein: the fan blades (19) are fixed on the outer side of the middle of the cross rod (8) at equal intervals through screws, and the convex rod (20) is installed on the outer side of the left end of the cross rod (8) through screws.
7. The resistance test device for producing the IIR digital filter according to claim 6, wherein: the convex rod (20) is arranged in a 7-shaped structure, the convex rod (20) is attached to the convex block (18), and the convex block (18) is arranged in a semicircular structure.
8. The resistance test device for producing the IIR digital filter according to claim 1, wherein: the number of the moving blocks (13) is 2:1 of the number of the bidirectional screw rods (12), the thread directions in the 2 moving blocks (13) are opposite, and the moving blocks (13) and the fixed plate (5) form a sliding structure through the bidirectional screw rods (12).
9. A method for testing a resistance value testing device for use in the production of an IIR digital filter according to claim 1, comprising the steps of:
s1: the whole device is placed at a proper position under the action of the supporting legs (2), then red and black detection probes (4) are sequentially fixed on a fixing plate (5), and then the resistance value testing device is corrected;
s2: simultaneously, the top ends of the red and black detection probes (4) are connected with corresponding ports on the front side surface of the shell body (1);
s3: then, a resistor used in the production of the IIR digital filter is placed below the resistance testing device;
s4: then, the electric push rod (3) is started, so that the electric push rod (3) drives the fixing plate (5) to descend, and the two detection blocks (6) rotate at the same time, so that the two detection blocks (6) are matched with each other to clamp and fix one end of the resistor, and later-stage detection is facilitated;
s5: then the resistance value can be tested, and data can be watched through the display screen on the front side surface of the shell body (1).
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| CN202011449584.2A CN112578183B (en) | 2020-12-11 | 2020-12-11 | Resistance testing device and method for IIR digital filter production |
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| CN202011449584.2A CN112578183B (en) | 2020-12-11 | 2020-12-11 | Resistance testing device and method for IIR digital filter production |
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| CN112578183A true CN112578183A (en) | 2021-03-30 |
| CN112578183B CN112578183B (en) | 2022-10-11 |
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