CN112540202A - Simple adjustable filter testing device and method - Google Patents
Simple adjustable filter testing device and method Download PDFInfo
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- CN112540202A CN112540202A CN202011431910.7A CN202011431910A CN112540202A CN 112540202 A CN112540202 A CN 112540202A CN 202011431910 A CN202011431910 A CN 202011431910A CN 112540202 A CN112540202 A CN 112540202A
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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
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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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
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
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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
- G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
- G01R31/002—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing where the device under test is an electronic circuit
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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
- G01R31/01—Subjecting similar articles in turn to test, e.g. "go/no-go" tests in mass production; Testing objects at points as they pass through a testing station
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Abstract
The invention belongs to the technical field of testing devices for filter disturbance, and discloses a simple adjustable filter testing device and a simple adjustable filter testing method. The upper surface of the secondary turntable is provided with a groove, the bottom of the groove is provided with a through hole, a filter is placed in the groove, and the antennae at the two ends of the chuck respectively penetrate through the opening of the groove and the through hole to be in contact with the two ends of the filter. According to the technical scheme, the function of automatically switching the filter is realized in a two-stage positioning mode, and the problem of abrasion caused by manual disassembly and replacement of the interfaces at the two ends of the filter is solved.
Description
Technical Field
The invention belongs to the technical field of testing devices for filter disturbance, and particularly relates to a simple adjustable filter testing device and a simple adjustable filter testing method.
Background
In the existing ETSIEN301489 and other technical standards, when electromagnetic radiation disturbance testing is performed on a frequency band above 1GHz, a WIFI signal needs to be turned on. However, the operating frequency bands of the WIFI signal itself are more, for example: 2.4GHzto2.4835GHz, 5.4625GHzto5.5875GHz, 5.1475GHzto5.272GHz, 5.7275GHzto5.8525GH, and the WIFI products on the market are various, some of which only transmit WIFI signals of 2.4GHz or 5GHz, and some of which can transmit WIFI signals of 2.4GHz and 5GHz simultaneously. Therefore, in the actual testing process, when the WIFI of different frequency bands is replaced, the filter in the testing line needs to be manually disassembled and replaced once. The manual mode of dismantling the change, very troublesome, not only waste time and energy, when dismantling the port of connecting moreover, cause the port wearing and tearing or damage at wave filter both ends easily for the standing-wave ratio of two ports is unsatisfied the requirement, influences the accuracy of test.
Disclosure of Invention
The invention provides a simple adjustable filter testing device and method, aiming at solving the problem that the testing accuracy is influenced by abrasion of ports at two ends due to the fact that a filter needs to be replaced manually in the prior art.
The technical scheme adopted by the invention is as follows:
a simple adjustable filter testing device comprises a clamping device and a switching device, wherein the clamping device is arranged on one side of the switching device, the switching device comprises a circular main rotary table, a circular secondary rotary table, a planetary gear set, a first motor, a second motor and a third motor, the first motor drives the main rotary table to rotate, the planetary gear set is rotatably connected with the main rotary table, and teeth are arranged on the outer side edge of the secondary rotary table;
the planetary gear set comprises a first sun gear, a second sun gear, a planetary gear and a first transmission wheel, the first sun gear and the second sun gear are coaxially arranged, teeth are arranged on the outer side of the first sun gear, teeth are arranged on the inner side and the outer side of the second sun gear, teeth are arranged on the outer side of the planetary gear, the planetary gear is arranged between the first sun gear and the second sun gear, the teeth of the planetary gear are meshed with the first sun gear and the second sun gear simultaneously, the first transmission wheel is coaxially and fixedly connected above the planetary gear, and the teeth on the outer side of the first transmission wheel are meshed with the secondary turntable;
a second driving wheel is arranged on the outer side of the second sun wheel and is in rotary connection with the main turntable, and the second sun wheel is in meshed connection with teeth on the outer side of the second driving wheel;
through the arrangement of the second driving wheel, the driving of the second sun wheel is realized.
The second motor drives the first sun gear to rotate, and the third motor drives the second transmission wheel to rotate;
the end face of the secondary turntable is provided with a groove with an upper opening and a lower opening, and a filter is arranged in the groove;
clamping device includes the chuck, the chuck has two antennas, on the motion route of recess was located to the upper and lower branch of antenna, clamping device included two operating condition:
when in a detection state, the antennae at the two ends of the chuck are in contact with the two ends of the filter;
when in a non-detection state, the antennae at the two ends of the chuck are separated from the two ends of the filter.
Through the rotation of main carousel, drive the circumferencial direction revolution of secondary carousel along main carousel to rotate secondary carousel to the position that the antenna corresponds, realize preliminary switching. And then the rotation of the first driving wheel is realized through the matching of the planetary gear set, so that the secondary turntable is driven to rotate, the filter required to be called on the secondary turntable is rotated to the position corresponding to the antenna, and the accurate switching is realized.
The main turntable and the planetary gear set can be matched to rotate at the same time, and the secondary turntable can revolve along the circumferential direction of the main turntable and rotate at the same time. Namely, the filter to be called on the secondary turntable rotates to the position corresponding to the antenna while the secondary turntable revolves to the position corresponding to the antenna. The primary switching and the accurate switching are simultaneously carried out, and the switching efficiency is improved.
Furthermore, a storage battery and a PLC (programmable logic controller) are arranged in the second motor and the third motor. According to the scheme, the problem of complex wiring is solved, and accurate control of the planetary gear set can be realized through the PLC.
Furthermore, the axle center of planet wheel is equipped with the head rod, and the one end and the planet wheel fixed connection of head rod, the other end and the first drive wheel fixed connection of head rod. Through the connection of first connecting rod, realize the simultaneous movement of planet wheel and first drive wheel.
Further, the bottom of the inner wall of the groove is provided with a wireless sensor, a storage battery and a wireless PLC (programmable logic controller) are arranged in the first motor, and the wireless sensor is in wireless connection with the wireless PLC which is arranged in the first motor. When all wireless sensors in a certain secondary turntable do not sense the existence of a filter in the corresponding position, the wireless sensors can send signals to the wireless PLC controller of the first motor, and when the first motor brings the secondary turntable to the position corresponding to the antenna, the secondary turntable does not stop but directly skips, so that the switching efficiency of the filter can be improved.
Further, the wireless PLC controller is a PLC controller with a GRM500 wireless communication module. The wireless PLC controller can realize connection in a wireless mode, and the problem of complex wiring is solved.
Furthermore, the secondary turntable is distributed above the main turntable along the circumferential direction of the main turntable in an array manner, a second connecting rod is arranged between the secondary turntable and the main turntable, one end of the second connecting rod is fixedly connected with the main turntable, and the other end of the second connecting rod is rotatably connected with the secondary turntable. Compare with the direct scheme that sets up the wave filter on main carousel, through setting up the secondary carousel, set up the wave filter on the secondary carousel again, can load more wave filters like this, improved the practicality.
Furthermore, the antennae at the two ends of the chuck are communication cables. The communication cable can ensure that the antenna is in good contact with the two ends of the filter, and the simple adjustable filter testing device can smoothly run.
A testing method for a tunable filter comprises a simple tunable filter testing device, and the testing step comprises the following steps:
a preparation stage: fixedly accommodating the filter in the groove;
a sequencing stage: the ordering stage includes either static ordering or dynamic ordering,
static sorting:
the method comprises the following steps that a first motor drives a main turntable to rotate, so that a secondary turntable is driven to move to the position of an antenna along with the main turntable, and the secondary turntable is used for testing a first priority; then, any one of the first sun wheel and the second sun wheel rotates, and the other sun wheel keeps stationary, so that the planet wheel moves along with the first sun wheel or the second sun wheel, and the first transmission wheel is driven to one side of the secondary turntable for the first priority test and meshed with the secondary turntable; then, a second motor drives a first sun wheel to rotate, a third motor indirectly drives a second sun wheel to rotate, the rotating direction of the first sun wheel is opposite to that of the second sun wheel, a planet wheel drives a first driving wheel to rotate, so that a secondary turntable of the first priority test is driven to rotate, and a filter required to be called on the secondary turntable is switched to the position of an antenna through the rotation of the secondary turntable;
dynamic sequencing:
the first motor drives the main turntable to rotate, the second motor drives the first sun gear to rotate while driving the secondary turntable to move along with the main turntable, and the third motor indirectly drives the second sun gear to rotate; the rotation direction of the main turntable, the rotation direction of the first sun gear and the rotation direction of the second sun gear are the same; the rotating speed of the first sun wheel is different from that of the second sun wheel, so that the first transmission wheel rotates along with the rotation of the first sun wheel under the driving of the planetary wheel; the secondary turntable is meshed with the first transmission wheel, so that the secondary turntable can rotate along with the rotation of the main turntable, when the filter to be called rotates to the outermost side, the first sun wheel and the second sun wheel stop rotating, namely when the secondary turntable rotates to the position of the antenna, the filter to be called on the secondary turntable is switched to the position of the antenna;
and (3) a testing stage: the antennae at the two ends of the chuck are folded and are in contact with the two ends of the filter; when it is desired to switch the filter or to end the test, the tentacles at the two ends of the collet are opened and separated from the two ends of the filter.
The invention has the following beneficial effects: and the secondary turntable where the filter to be called is located is driven to the antenna position through the rotation of the main turntable, so that the primary switching of the filter is realized. And the rotation of the secondary turntable switches the filter to be called to an antenna position, so that the accurate switching of the filter is realized. The two-stage positioning mode realizes the function of automatically switching the filter and avoids the abrasion problem caused by artificial disassembly and replacement of the interfaces at the two ends of the filter. Compared with a complex circuit, the technical scheme of switching the filter is realized through switching the circuit. According to the technical scheme, a complex circuit does not need to be built, and the method is simpler and more convenient. In addition, compared with the scheme that the rotation of each secondary turntable is controlled by arranging the motors in one-to-one correspondence, the use of a plurality of motors can be reduced, and the use cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a simple tunable filter testing apparatus according to an embodiment of the present invention.
Fig. 2 is a top view of a switching device according to an embodiment of the invention.
Fig. 3 is a partial enlarged view at I in fig. 2.
Fig. 4 is a schematic cross-sectional view at AA of fig. 3.
Fig. 5 is a schematic structural diagram of a filter according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a sub turntable according to an embodiment of the present invention.
In the figure: 1-chuck, 2-main turntable, 3-secondary turntable, 4-groove, 5-through hole, 6-filter, 7-first motor, 12-antenna, 13-wireless sensor, 21-first sun gear, 22-second sun gear, 23-planet gear, 24-first driving wheel, 25-first connecting rod, 26-second driving wheel, 27-second motor, 28-third motor and 29-second connecting rod.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
Example 1
A simple adjustable filter testing device comprises a clamping device and a switching device, wherein the clamping device is arranged on one side of the switching device, the switching device comprises a circular main rotary table 2, a circular secondary rotary table 3, a planetary gear set, a first motor 7, a second motor 27 and a third motor 28, the first motor 7 drives the main rotary table 2 to rotate, the planetary gear set is rotationally connected with the main rotary table 2, and teeth are arranged on the outer side edge of the secondary rotary table 3;
the planetary gear set comprises a first sun gear 21, a second sun gear 22, a planetary gear 23 and a first transmission wheel 24, the first sun gear 21 and the second sun gear 22 are coaxially arranged, teeth are arranged on the outer side of the first sun gear 21, teeth are arranged on the inner side and the outer side of the second sun gear 22, teeth are arranged on the outer side of the planetary gear 23, the planetary gear 23 is arranged between the first sun gear 21 and the second sun gear 22, the teeth of the planetary gear 23 are meshed with the first sun gear 21 and the second sun gear 22 at the same time, the first transmission wheel 24 is coaxially and fixedly connected above the planetary gear 23, and the teeth on the outer side of the first transmission wheel 24 are meshed with the secondary turntable 3;
a second driving wheel 26 is arranged on the outer side of the second sun wheel 22, the second driving wheel 26 is rotatably connected with the main turntable 2, and the second sun wheel 22 is meshed with teeth on the outer side of the second driving wheel 26;
the second sun gear 22 is driven by the second transmission wheel 26.
The second motor 27 drives the first sun gear 21 to rotate, and the third motor 28 drives the second transmission wheel 26 to rotate;
the end face of the secondary turntable 3 is provided with a groove 4 with an upper opening and a lower opening, and a filter 6 is arranged in the groove 4;
the clamping device comprises a clamping head 1, the clamping head 1 is provided with two antennae 12, the antennae 12 are respectively arranged on the motion path of the groove 4 from top to bottom, and the clamping device comprises two working states:
when the state is detected, namely the filter 6 is required to be called, the antennae 12 at the two ends of the chuck 1 are in contact with the two ends of the filter 6;
when in the non-detection state, i.e. when the filter 6 is not required to be called, the antennae 12 at both ends of the cartridge 1 are separated from both ends of the filter 6.
Through the rotation of main carousel 2, drive the circumferencial direction revolution of secondary carousel 3 along main carousel 2 to rotate secondary carousel 3 to the position that antenna 12 corresponds, realize preliminary switching. And then the rotation of the first driving wheel 24 is realized through the matching of the planetary gear set, so that the secondary turntable 3 is driven to rotate, the filter 6 required to be called on the secondary turntable 3 is rotated to the position corresponding to the antenna 12, and the accurate switching is realized.
And the rotation of the secondary turntable 3 can be realized while revolving along the circumferential direction of the main turntable 2 by the simultaneous matching rotation of the main turntable 2 and the planetary gear set. That is, while the sub turntable 3 revolves to the position corresponding to the antenna 12, the filter 6 to be called on the sub turntable 3 has rotated to the position corresponding to the antenna 12. The primary switching and the accurate switching are simultaneously carried out, and the switching efficiency is improved.
The second motor 27 and the third motor 28 each have a built-in battery and a PLC controller. According to the scheme, the problem of complex wiring is solved, and accurate control of the planetary gear set can be realized through the PLC.
The axle center of planet wheel 23 is equipped with first connecting rod 25, and the one end and the planet wheel 23 fixed connection of first connecting rod 25, the other end and the first drive wheel 24 fixed connection of first connecting rod 25. By the connection of the first connecting rod 25, a synchronous movement of the planet wheels 23 and the first transmission wheel 24 is achieved.
The bottom of the inner wall of the groove 4 is provided with a wireless sensor 13, a storage battery and a wireless PLC controller are arranged in the first motor 7, and the wireless sensor 13 is in wireless connection with the wireless PLC controller arranged in the first motor 7. When all the wireless sensors 13 in a certain secondary turntable 3 cannot sense the filter 6 in the corresponding position, the wireless sensors can send signals to the wireless PLC controller of the first motor 7, and when the first motor 7 brings the secondary turntable 3 to the position corresponding to the antenna 12, the secondary turntable 3 cannot stop, but directly skips, so that the switching efficiency of the filter 6 can be improved.
The wireless PLC controller is a PLC controller with a GRM500 wireless communication module. The wireless PLC controller can realize connection in a wireless mode, and the problem of complex wiring is solved.
The secondary turntable 3 is distributed above the main turntable 2 along the circumferential direction array of the main turntable 2, a second connecting rod 29 is arranged between the secondary turntable 3 and the main turntable 2, one end of the second connecting rod 29 is fixedly connected with the main turntable 2, and the other end of the second connecting rod 29 is rotatably connected with the secondary turntable 3. Compared with the scheme that the filter 6 is directly arranged on the main turntable 2, the filter 6 is arranged on the auxiliary turntable 3 through the arrangement of the auxiliary turntable 3, so that more filters 6 can be loaded, and the practicability is improved.
The antennae 12 at the two ends of the clamping head 1 are communication cables. The communication cable can ensure that the antenna 12 is in good contact with the two ends of the filter 6, and the simple adjustable filter testing device can run smoothly.
A testing method for a tunable filter comprises a simple tunable filter testing device, and the testing step comprises the following steps:
a preparation stage: fixedly accommodating the filter 6 in the groove 4;
a sequencing stage: the ordering stage includes either static ordering or dynamic ordering,
static sorting:
firstly, a first motor 7 drives a main turntable 2 to rotate, so as to drive a secondary turntable 3 to move to the position of an antenna 12 along with the main turntable 2, and the secondary turntable 3 is used for a first priority test; then, one of the first sun gear 21 and the second sun gear 22 rotates, and the other one of the first sun gear 21 and the second sun gear 22 keeps still, so that the planet gear 23 moves along with the first sun gear 21 or the second sun gear 22, and the first driving wheel 24 is driven to one side of the secondary turntable 3 of the first priority test and meshed with the secondary turntable; then, the second motor 27 drives the first sun gear 21 to rotate, and simultaneously the third motor 28 indirectly drives the second sun gear 22 to rotate, the rotation direction of the first sun gear 21 is opposite to that of the second sun gear 22, so that the planet gear 23 drives the first transmission wheel 24 to rotate, and the secondary turntable 3 of the first priority test is driven to rotate, and the filter 6 required to be called on the secondary turntable 3 is switched to the position of the antenna 12 through the rotation of the secondary turntable 3;
dynamic sequencing:
the first motor 7 drives the main turntable 2 to rotate, the second motor 27 drives the first sun gear 21 to rotate while driving the secondary turntable 3 to move along with the main turntable 2, and the third motor 28 indirectly drives the second sun gear 22 to rotate; the rotation direction of the main turntable 2, the rotation direction of the first sun gear 21 and the rotation direction of the second sun gear 22 are the same; the rotation speed of the first sun gear 21 is different from that of the second sun gear 22, so that the first transmission wheel 24 rotates along with the rotation of the first sun gear 21 under the driving of the planet gears 23; since the sub turntable 3 is meshed with the first transmission wheel 24, the sub turntable 3 can also rotate along with the rotation of the main turntable 2, when the filter 6 to be called rotates to the outermost side, the first sun wheel 21 and the second sun wheel 22 stop rotating, namely when the sub turntable 3 rotates to the position of the antenna 12, the filter 6 to be called on the sub turntable 3 is switched to the position of the antenna 12;
and (3) a testing stage: the antennae 12 at the two ends of the chuck 1 are folded and are in contact with the two ends of the filter 6; when it is desired to switch the filter 6 or to end the test, the antenna 12 at both ends of the collet 1 opens and separates from both ends of the filter 6.
It is to be understood that: although the present invention has been described in considerable detail with reference to certain embodiments thereof, it is not intended to be limited to the details shown, since various changes in form and detail can be made therein without departing from the scope of the invention encompassed by the appended claims.
Claims (8)
1. The utility model provides a simple and easy tunable filter testing arrangement, includes clamping device and auto-change over device, clamping device locates one side of auto-change over device, its characterized in that: the switching device comprises a circular main turntable (2), a circular secondary turntable (3), a planetary gear set, a first motor (7), a second motor (27) and a third motor (28), wherein the first motor (7) drives the main turntable (2) to rotate, the planetary gear set is rotationally connected with the main turntable (2), and teeth are arranged on the outer side edge of the secondary turntable (3);
the planetary gear set comprises a first sun gear (21), a second sun gear (22), a planetary gear (23) and a first transmission wheel (24), the first sun gear (21) and the second sun gear (22) are coaxially arranged, teeth are arranged on the outer side of the first sun gear (21), teeth are arranged on the inner side and the outer side of the second sun gear (22), teeth are arranged on the outer side of the planetary gear (23), the planetary gear (23) is arranged between the first sun gear (21) and the second sun gear (22), the teeth of the planetary gear (23) are meshed with the first sun gear (21) and the second sun gear (22) at the same time, the first transmission wheel (24) is coaxially and fixedly connected above the planetary gear (23), and the teeth on the outer side of the first transmission wheel (24) are meshed with the sub-rotating disc (3);
a second driving wheel (26) is arranged on the outer side of the second sun wheel (22), the second driving wheel (26) is rotatably connected with the main turntable (2), and the second sun wheel (22) is meshed with teeth on the outer side of the second driving wheel (26);
the second motor (27) drives the first sun gear (21) to rotate, and the third motor (28) drives the second transmission wheel (26) to rotate;
the end face of the secondary turntable (3) is provided with a groove (4) with openings at the upper and lower parts, and a filter (6) is arranged in the groove (4);
clamping device includes chuck (1), chuck (1) has two antennas (12), on the motion route of recess (4) was located to antenna (12) upper and lower branch, clamping device included two operating condition:
when in a detection state, the antennae (12) at the two ends of the chuck (1) are in contact with the two ends of the filter (6);
when the chuck is in a non-detection state, the antennae (12) at the two ends of the chuck (1) are separated from the two ends of the filter (6).
2. The simple tunable filter testing device as claimed in claim 1, wherein: the second motor (27) and the third motor (28) are both internally provided with a storage battery and a PLC controller.
3. The simple tunable filter testing device as claimed in claim 1, wherein: the axle center of planet wheel (23) is equipped with head rod (25), and the one end and planet wheel (23) fixed connection of head rod (25), the other end and first drive wheel (24) fixed connection of head rod (25).
4. The simple tunable filter testing device as claimed in claim 1, wherein: the bottom of the inner wall of the groove (4) is provided with a wireless sensor (13), a storage battery and a wireless PLC (programmable logic controller) are arranged in the first motor (7), and the wireless sensor (13) is in wireless connection with the wireless PLC arranged in the first motor (7).
5. The simple tunable filter testing device as claimed in claim 4, wherein: the wireless PLC controller is a PLC controller with a GRM500 wireless communication module.
6. The simple tunable filter testing device as claimed in claim 1, wherein: the secondary turntable (3) is distributed above the main turntable (2) in an array mode along the circumferential direction of the main turntable (2), a second connecting rod (29) is arranged between the secondary turntable (3) and the main turntable (2), one end of the second connecting rod (29) is fixedly connected with the main turntable (2), and the other end of the second connecting rod (29) is rotatably connected with the secondary turntable (3).
7. The simple tunable filter testing device as claimed in claim 1, wherein: the antennae (12) at the two ends of the chuck (1) are communication cables.
8. A method for testing a tunable filter, comprising: a simple tunable filter testing apparatus comprising any one of claims 1 to 7, the testing step comprising:
a preparation stage: the filter (6) is fixedly accommodated in the groove (4);
a sequencing stage: the ordering stage includes either static ordering or dynamic ordering,
static sorting:
firstly, a first motor (7) drives a main turntable (2) to rotate, so that a secondary turntable (3) is driven to move to the position of an antenna (12) along with the main turntable (2), and the secondary turntable (3) is used for testing a first priority; then, one of the first sun wheel (21) and the second sun wheel (22) rotates, and the other one of the first sun wheel and the second sun wheel keeps still, so that the planet wheel (23) moves along with the first sun wheel (21) or the second sun wheel (22), and the first transmission wheel (24) is driven to one side of the secondary turntable (3) of the first priority test and meshed with the secondary turntable; then, a second motor (27) drives a first sun gear (21) to rotate, a third motor (28) indirectly drives a second sun gear (22) to rotate, the rotation direction of the first sun gear (21) is opposite to that of the second sun gear (22), a planet wheel (23) drives a first transmission wheel (24) to rotate, so that a secondary turntable (3) for the first priority test is driven to rotate, and a filter (6) required to be called on the secondary turntable (3) is switched to the position of a feeler (12) through the rotation of the secondary turntable (3); dynamic sequencing:
the first motor (7) drives the main turntable (2) to rotate, the second motor (27) drives the first sun gear (21) to rotate while driving the secondary turntable (3) to move along with the main turntable (2), and the third motor (28) indirectly drives the second sun gear (22) to rotate; the rotating direction of the main rotating disc (2), the rotating direction of the first sun gear (21) and the rotating direction of the second sun gear (22) are the same; the rotating speed of the first sun wheel (21) is different from that of the second sun wheel (22), so that the first transmission wheel (24) is driven by the planetary wheel (23), and the first transmission wheel (24) rotates along with the rotation of the first sun wheel (21); since the secondary turntable (3) is meshed with the first transmission wheel (24), the secondary turntable (3) can rotate along with the rotation of the main turntable (2), namely when the secondary turntable (3) rotates to the position of the antenna (12), the filter (6) required to be called on the secondary turntable (3) is switched to the position of the antenna (12);
and (3) a testing stage: the antennae (12) at the two ends of the chuck (1) are folded and are in contact with the two ends of the filter (6); when the filter (6) needs to be switched or the test is finished, the antennae (12) at the two ends of the chuck (1) are opened and separated from the two ends of the filter (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011431910.7A CN112540202A (en) | 2020-12-07 | 2020-12-07 | Simple adjustable filter testing device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011431910.7A CN112540202A (en) | 2020-12-07 | 2020-12-07 | Simple adjustable filter testing device and method |
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| CN112540202A true CN112540202A (en) | 2021-03-23 |
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| CN202011431910.7A Pending CN112540202A (en) | 2020-12-07 | 2020-12-07 | Simple adjustable filter testing device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116540004A (en) * | 2023-07-05 | 2023-08-04 | 江苏大学 | Simple adjustable filter testing device and method |
| CN116944072A (en) * | 2023-07-19 | 2023-10-27 | 华南理工大学 | Test system and test method of yaw rate sensor |
-
2020
- 2020-12-07 CN CN202011431910.7A patent/CN112540202A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116540004A (en) * | 2023-07-05 | 2023-08-04 | 江苏大学 | Simple adjustable filter testing device and method |
| CN116540004B (en) * | 2023-07-05 | 2023-09-12 | 江苏大学 | Filter testing device and method |
| CN116944072A (en) * | 2023-07-19 | 2023-10-27 | 华南理工大学 | Test system and test method of yaw rate sensor |
| CN116944072B (en) * | 2023-07-19 | 2024-02-06 | 华南理工大学 | Test system and test method of yaw rate sensor |
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