CN114812966A - Detection apparatus convenient to quartz crystal syntonizer gas tightness detects - Google Patents

Detection apparatus convenient to quartz crystal syntonizer gas tightness detects Download PDF

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Publication number
CN114812966A
CN114812966A CN202210319999.0A CN202210319999A CN114812966A CN 114812966 A CN114812966 A CN 114812966A CN 202210319999 A CN202210319999 A CN 202210319999A CN 114812966 A CN114812966 A CN 114812966A
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CN
China
Prior art keywords
quartz crystal
transmission shaft
crystal resonator
communicating pipe
fixed
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Pending
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CN202210319999.0A
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Chinese (zh)
Inventor
陈海清
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Guangzhou Zongwei Electronic Technology Co ltd
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Guangzhou Zongwei Electronic Technology Co ltd
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Priority to CN202210319999.0A priority Critical patent/CN114812966A/en
Publication of CN114812966A publication Critical patent/CN114812966A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

The invention discloses a detection device convenient for detecting the air tightness of a quartz crystal resonator. In this application, pin with quartz crystal syntonizer up, and place in the standing groove, rotate through the motor control lead screw, the swivel nut drives the link and removes, make communicating pipe be close to quartz crystal syntonizer, after the outside of intercommunication pipe box at the pin, under the effect that electro-magnet and magnetite repel, the rubber ring and the closely laminating of quartz crystal syntonizer casing of communicating pipe bottom, inject the gas of certain pressure to communicating pipe through the air pump, open the solenoid valve, numerical value on the display screen through contrast control display center and the atmospheric pressure value of the good quartz crystal syntonizer of the seal who records, can reachs whether the gas tightness of the quartz crystal syntonizer that is testing is good, compare traditional detection mode, can not destroy quartz crystal syntonizer, the process is simple, high efficiency.

Description

Detection apparatus convenient to quartz crystal syntonizer gas tightness detects
Technical Field
The invention relates to the technical field of detection of quartz crystal resonators, in particular to a detection device convenient for detecting the air tightness of a quartz crystal resonator.
Background
The quartz crystal resonator is a common electrical component, is often used in various precise electronic instruments and equipment, and has the characteristics of small volume, large function and the like. With the development of the technology, the application of the quartz crystal resonator is wider, the influence of the quartz crystal resonator on the reliability of precision electronic equipment is larger and larger, and the quality guarantee of the quartz crystal resonator becomes a key step for guaranteeing the quality of the equipment.
The pin of the quartz crystal resonator and the shell are usually sealed through an insulator, the airtightness detection is one of important detection performances of the quartz crystal resonator, the detection mode in the prior art is usually a bubble method, namely immersion detection, namely, a frequency electrical performance test is firstly carried out on a product to obtain an original test value, then the product is placed into a pressure tank, medium substances with similar functions such as alcohol or fluorine oil and the like are injected into the pressure tank, the pressure is carried out in the pressure tank, the product is taken out after the product is kept for a period of time, and then the frequency electrical performance test is carried out. If the electrical property values measured before and after change, the product leaks gas.
The detection method has the problems of low detection rate, complicated working procedures, limitation by environmental conditions and time and the like, and the air leakage product cannot be packaged and repaired again due to the pollution of medium substances, so that the detection method has certain destructiveness.
Therefore, a detection device convenient for detecting the air tightness of the quartz crystal resonator is provided.
Disclosure of Invention
The invention aims to: in order to solve the problems, the detection device for conveniently detecting the air tightness of the quartz crystal resonator is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
a detection device convenient for gas tightness detection of a quartz crystal resonator comprises a base, wherein an annular groove is formed in the base, a rotating ring is arranged in the annular groove, a plurality of placing grooves are formed in the top of the rotating ring, a first transmission shaft penetrates through the base, and the first transmission shaft and the rotating ring are fixed through a connecting arm;
an upright post is fixed on the side wall of the base, a screw sleeve and a screw rod penetrating through the screw sleeve are arranged in an inner cavity of the upright post, a motor for driving the screw rod to rotate is fixed on the upright post, a fixing frame is fixed at the bottom of the base, a transmission shaft II coaxial with the transmission shaft penetrates through the fixing frame, the transmission shaft II and the screw rod are in transmission through a transmission assembly, a rotating arm is installed on the transmission shaft II, a pawl is installed on the rotating arm through a torsional spring rotating shaft, and a ratchet wheel matched with the pawl is installed on the transmission shaft I;
a connecting frame is fixed on the screw sleeve, a sliding sleeve penetrates through the connecting frame, a communicating pipe is fixed in an opening of the sliding sleeve through a mounting assembly, a transverse plate is mounted at the top of the upright post, an air pump is mounted on the transverse plate, the air pump is communicated with the communicating pipe through a telescopic pipe, a check valve is mounted on the telescopic pipe, and a pressure sensor and an electromagnetic valve are mounted on the communicating pipe;
an elastic piece is arranged between the top end of the sliding sleeve and the connecting frame, a magnet is arranged at the bottom end of the sliding sleeve, and an electromagnet which is repelled from the magnet is arranged on the connecting frame;
and a control display center electrically connected with the electromagnetic valve, the pressure sensor and the motor is arranged on the transverse plate.
Preferably, the mounting assembly comprises two guide blocks fixed on the communicating pipe, a long-strip-shaped transverse groove is formed in the side wall of the sliding sleeve, a locking bolt penetrates through the transverse groove, and the locking bolt is screwed with a threaded hole formed in the communicating pipe.
Preferably, a rubber ring is mounted at the bottom end of the communication pipe.
Preferably, the transmission assembly comprises a first belt pulley installed on the screw rod and a second belt pulley installed on the transmission shaft, and the first belt pulley and the second belt pulley are connected through a transmission belt.
Preferably, a cover plate is mounted on the rotating ring.
Preferably, the elastic member is an elastic telescopic rod.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. in this application, pin with quartz crystal syntonizer up, and place in the standing groove, rotate through the motor control lead screw, the swivel nut drives the link and removes, make communicating pipe be close to quartz crystal syntonizer, after the outside of intercommunication pipe box at the pin, under the effect that electro-magnet and magnetite repel, the rubber ring and the closely laminating of quartz crystal syntonizer casing of communicating pipe bottom, inject the gas of certain pressure to communicating pipe through the air pump, open the solenoid valve, numerical value on the display screen through contrast control display center and the atmospheric pressure value of the good quartz crystal syntonizer of the seal who records, can reachs whether the gas tightness of the quartz crystal syntonizer that is testing is good, compare traditional detection mode, can not destroy quartz crystal syntonizer, the process is simple, high efficiency.
2. In this application, at motor drive screw rod antiport, the in-process that swivel nut and link reset, through driving belt, the setting of belt pulley one and belt pulley two, two drive rotor arms of transmission shaft, torsional spring pivot and pawl rotate, under the cooperation of pawl and ratchet, transmission shaft one drives linking arm and swivel becket and rotates, the quartz crystal syntonizer that will await measuring rotates to the bottom of communicating pipe, in order to carry out the test of next round, this detection device is through the action through only a motor, accomplish two tasks, the swivel nut promptly, the link resets and the material loading of the quartz crystal syntonizer that awaits measuring, and is more energy-saving, and the cost is reduced.
3. In this application, through-hole department is arranged in communicating pipe, under the effect of guide block, can follow the through-hole and carry out lateral shifting communicating pipe, has the cross slot on the lateral wall of sliding sleeve, under the effect of locking bolt and screw hole for fix a position communicating pipe, the staff can adjust the distance between communicating pipe as required through this design, in order to satisfy in the user demand of difference, adaptability is stronger.
Drawings
FIG. 1 is a schematic structural diagram of a detection apparatus provided in an embodiment of the present invention;
FIG. 2 is a schematic diagram of an internal structure of a base provided in accordance with an embodiment of the present invention;
FIG. 3 illustrates a schematic structural view for providing a ratchet and pawl according to an embodiment of the present invention;
FIG. 4 is a schematic bottom view of a base according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a cross board and a pillar provided in accordance with an embodiment of the present invention;
FIG. 6 is a schematic structural diagram illustrating a telescopic pipe and a communicating pipe according to an embodiment of the present invention;
FIG. 7 is a schematic structural view illustrating a sliding sleeve and a connecting frame provided according to an embodiment of the present invention;
fig. 8 shows a schematic diagram of a communication tube structure provided according to an embodiment of the invention.
Illustration of the drawings:
1. a base; 2. a placement groove; 3. a rotating ring; 4. a connecting frame; 5. a one-way valve; 6. a telescopic pipe; 7. an air pump; 8. a transverse plate; 9. controlling a display center; 10. a threaded sleeve; 11. a column; 12. a screw rod; 13. a first belt pulley; 14. a drive belt; 15. a cover plate; 16. a first transmission shaft; 17. a connecting arm; 18. a torsion spring shaft; 19. a rotating arm; 20. a pawl; 21. a ratchet wheel; 22. a fixed mount; 23. an elastic telescopic rod; 24. an electromagnet; 25. a sliding sleeve; 26. a transverse groove; 27. locking the bolt; 28. a magnet; 29. a communicating pipe; 30. a pressure sensor; 31. a guide block; 32. a threaded hole; 33. a rubber ring; 34. an electromagnetic valve; 35. a port; 36. a second belt pulley; 37. a second transmission shaft; 38. an electric motor.
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. 1-8, the present invention provides a technical solution:
a detection device convenient for detecting the air tightness of a quartz crystal resonator comprises a base 1, wherein an annular groove is arranged on the base 1, a rotating ring 3 is arranged in the annular groove, the rotating ring 3 is rotatably connected with the base 1 through the annular groove, the rotating ring 3 and the base 1 are concentrically arranged, a plurality of placing grooves 2 are formed in the top of the rotating ring 3, the placing grooves 2 are used for containing inverted quartz crystal resonators, a first transmission shaft 16 penetrates through the base 1, the first transmission shaft 16 is rotatably connected with the base 1 through a bearing, the first transmission shaft 16 and the rotating ring 3 are fixed through a connecting arm 17, the connecting arm 17 is sleeved on the first transmission shaft 16 and fixed with the first transmission shaft 16, the connecting arm 17 is arranged in a cross shape, the connecting arm 17 is fixedly connected with the inner wall of the rotating ring 3, a cover plate 15 is mounted on the rotating ring 3, the cover plate 15 plays a role in shielding, and foreign matters are prevented from falling in the inner cavity of the base 1 and being contacted with the connecting arm 17;
an upright post 11 is fixed on the side wall of a base 1, the upright post 11 is fixed with the base 1 through a bolt, a screw sleeve 10 and a screw rod 12 penetrating through the screw sleeve 10 are arranged in an inner cavity of the upright post 11, the screw rod 12 is rotatably connected with the upright post 11 through a bearing, the screw sleeve 10 is rotatably connected with the screw rod 12 through a thread, a motor 38 driving the screw rod 12 to rotate is fixed on the upright post 11, the output end of the motor 38 is in transmission connection with the screw rod 12, a fixing frame 22 is fixed at the bottom of the base 1, a transmission shaft II 37 coaxial with a transmission shaft I16 penetrates through the fixing frame 22, the transmission shaft II 37 is rotatably connected with the fixing frame 22 through a bearing, the transmission shaft II 37 is in transmission connection with the screw rod 12 through a transmission assembly, a rotating arm 19 is installed on the transmission shaft II 37, the transmission shaft II 37 is fixedly connected with the rotating arm 19, a pawl 20 is installed on the rotating arm 19 through a torsion spring rotating shaft 18, and a ratchet 21 matched with the pawl 20 is installed on the transmission shaft I16, under the normal state, under the action of the torsion spring rotating shaft 18, the pawl 20 is attached to the outer wall of the ratchet wheel 21, and when the pawl 20 rotates clockwise along with the rotating arm 19 (refer to fig. 3), the ratchet wheel 21 does not rotate; when the pawl 20 rotates counterclockwise (refer to fig. 3) along with the rotating arm 19, the pawl 20 pushes the ratchet wheel 21 to rotate, so that the first transmission shaft 16 drives the rotating ring 3 to rotate through the connecting arm 17;
the connecting frame 4 is fixed on the screw sleeve 10, the sliding sleeve 25 penetrates through the connecting frame 4, the connecting frame 4 is in sliding fit with the sliding sleeve 25, the communicating pipe 29 is fixed in the through opening 35 of the sliding sleeve 25 through the mounting assembly, the communicating pipe 29 can horizontally move in the through opening 35, the transverse plate 8 is installed at the top of the upright post 11, the air pump 7 is installed on the transverse plate 8, the air pump 7 is communicated with the communicating pipe 29 through the telescopic pipe 6, the one-way valve 5 is installed on the telescopic pipe 6, and when the air pump 7 does not work, the one-way valve 5 prevents the air pump 7 from working, the gas in the communicating pipe 29 flows back to play a role of pressure maintaining, the communicating pipe 29 is provided with the pressure sensor 30 and the electromagnetic valve 34, the pressure sensor 30 is used for monitoring the pressure in the communicating pipe 29, the bottom end of the communicating pipe 29 is jointed with the quartz crystal resonator, the electromagnetic valve 34 is opened, and the gas in the communicating pipe 29 acts on the connection position of the insulator and the quartz crystal resonator shell;
an elastic part is arranged between the top end of the sliding sleeve 25 and the connecting frame 4, the elastic part is an elastic telescopic rod 23, two ends of the elastic telescopic rod 23 are respectively fixed with the sliding sleeve 25 and the connecting frame 4, the elastic telescopic rod 23 gives vertical upward elastic force to the sliding sleeve 25, a magnet 28 is arranged at the bottom end of the sliding sleeve 25, and an electromagnet 24 which is repelled with the magnet 28 is arranged on the connecting frame 4;
the transverse plate 8 is provided with a control display center 9 electrically connected with the electromagnetic valve 34, the pressure sensor 30 and the motor 38, and the control display center 9 comprises a controller (a PLC single chip microcomputer) and a display screen.
Specifically, as shown in fig. 7 and 8, the mounting assembly includes two guide blocks 31 fixed to the communication pipe 29, the communication pipe 29 is slidably fitted to the through opening 35 through the guide blocks 31, the side wall of the sliding sleeve 25 is provided with an elongated transverse groove 26, a locking bolt 27 penetrates through the transverse groove 26, the locking bolt 27 is screwed to a threaded hole 32 formed in the communication pipe 29, and the locking bolt 27 is screwed to the threaded hole 32 and is used for fixing the communication pipe 29.
Specifically, as shown in fig. 8, a rubber ring 33 is installed at the bottom end of the communication pipe 29, and the rubber ring 33 is used for increasing the sealing performance between the communication pipe 29 and the quartz crystal resonator housing, so as to prevent gas from overflowing outwards through the connection between the communication pipe 29 and the quartz crystal resonator housing during the detection process.
Specifically, as shown in fig. 3 and 4, the transmission assembly includes a first belt pulley 13 mounted on the screw rod 12 and a second belt pulley 36 mounted on the second transmission shaft 37, the first belt pulley 13 is connected to the second belt pulley 36 through the transmission belt 14, the screw rod 12 drives the first belt pulley 13 to rotate, and the second belt pulley 36 drives the second transmission shaft 37 to rotate under the action of the transmission belt 14.
In summary, when the gas tightness of the quartz crystal resonator is detected, the quartz crystal resonator is placed in the placing groove 2 in an inverted manner, so that the pins of the quartz crystal resonator are upward, the motor 38 is controlled to rotate through the control display center 9, the output end of the motor 38 drives the screw rod 12 to rotate, the threaded sleeve 10 drives the connecting frame 4 and the sliding sleeve 25 to move downward, so that the two communicating pipes 29 are respectively sleeved outside the pins, when the rubber ring 33 is close to the base 1, the motor 38 stops rotating, the electromagnet 24 is electrified, under the repulsive force of the electromagnet 24 and the magnet 28, the sliding sleeve 25 drives the communicating pipes 29 to overcome the elastic force, which is given to the sliding sleeve 25, of the elastic telescopic rod 23 to move downward, so that the rubber ring 33 is in close contact with the quartz crystal resonator;
then the air pump 7 is opened, the air pump 7 pressurizes the inside of the communicating pipe 29 through the check valve 5 and the extension pipe 6, the air pressure inside the communicating pipe 29 is detected through the pressure sensor 30, the pressure sensor 30 transmits a signal to the control display center 9, the air pressure value is displayed through a display screen of the control display center 9, then the electromagnetic valve 34 is opened, if a gap exists between an insulator on a pin and the quartz crystal resonator shell, the air inside the communicating pipe 29 enters the quartz crystal resonator shell through the gap, and the air pressure value is reduced;
whether the air tightness of the quartz crystal resonator under test is good or not can be obtained by comparing the numerical value on the display screen of the control display center 9 with the measured air pressure value of the quartz crystal resonator with good sealing;
after the test of the quartz crystal resonator is completed, the electromagnet 24 is stopped to be electrified, the sliding sleeve 25 drives the communicating pipe 29 to reset under the action of the elastic telescopic rod 23, the gas in the communicating pipe 29 is discharged outwards through the electromagnetic valve 34, the motor 38 is turned on, the motor 38 drives the screw rod 12 to rotate reversely, and the threaded sleeve 10 drives the connecting frame 4 and the sliding sleeve 25 to reset so as to perform the next round of detection operation;
in the reset process of the connecting frame 4, the first belt pulley 13 rotates along with the screw rod 12, under the action of the transmission belt 14 and the second belt pulley 36, the second transmission shaft 37 drives the rotating arm 19 and the pawl 20 to rotate, under the matching of the pawl 20 and the ratchet wheel 21, the first transmission shaft 16 drives the connecting arm 17 and the rotating ring 3 to rotate, the quartz crystal resonator to be detected rotates to the bottom of the communicating pipe 29, the traditional detection mode is compared, the quartz crystal resonator cannot be damaged, all parts are linked, the process is simple, and the efficiency is higher.
The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. The detection device convenient for detecting the gas tightness of the quartz crystal resonator comprises a base (1) and is characterized in that an annular groove is formed in the base (1), a rotating ring (3) is arranged in the annular groove, a plurality of placing grooves (2) are formed in the top of the rotating ring (3), a first transmission shaft (16) penetrates through the base (1), and the first transmission shaft (16) and the rotating ring (3) are fixed through a connecting arm (17);
an upright post (11) is fixed on the side wall of the base (1), a screw sleeve (10) and a screw rod (12) penetrating through the screw sleeve (10) are arranged in an inner cavity of the upright post (11), a motor (38) driving the screw rod (12) to rotate is fixed on the upright post (11), a fixing frame (22) is fixed at the bottom of the base (1), a transmission shaft II (37) coaxial with the transmission shaft I (16) penetrates through the fixing frame (22), the transmission shaft II (37) and the screw rod (12) are in transmission through a transmission assembly, a rotating arm (19) is installed on the transmission shaft II (37), a pawl (20) is installed on the rotating arm (19) through a torsion spring rotating shaft (18), and a ratchet wheel (21) matched with the pawl (20) is installed on the transmission shaft I (16);
a connecting frame (4) is fixed on the screw sleeve (10), a sliding sleeve (25) penetrates through the connecting frame (4), a communicating pipe (29) is fixed in a through opening (35) of the sliding sleeve (25) through a mounting assembly, a transverse plate (8) is installed at the top of the upright post (11), an air pump (7) is installed on the transverse plate (8), the air pump (7) is communicated with the communicating pipe (29) through a telescopic pipe (6), a one-way valve (5) is installed on the telescopic pipe (6), and a pressure sensor (30) and an electromagnetic valve (34) are installed on the communicating pipe (29);
an elastic piece is arranged between the top end of the sliding sleeve (25) and the connecting frame (4), a magnet (28) is installed at the bottom end of the sliding sleeve (25), and an electromagnet (24) which is repelled with the magnet (28) is installed on the connecting frame (4);
and a control display center (9) electrically connected with the electromagnetic valve (34), the pressure sensor (30) and the motor (38) is arranged on the transverse plate (8).
2. The device for detecting the airtightness of the quartz crystal resonator, according to claim 1, wherein the mounting assembly includes two guide blocks (31) fixed on the communication pipe (29), the side wall of the sliding sleeve (25) is provided with an elongated transverse slot (26), the transverse slot (26) is provided with a locking bolt (27) therethrough, and the locking bolt (27) is screwed with a threaded hole (32) provided on the communication pipe (29).
3. The device for detecting the airtightness of a quartz crystal resonator according to claim 2, wherein a rubber ring (33) is attached to the bottom end of said communicating tube (29).
4. The device for detecting the airtightness of the quartz crystal resonator according to claim 3, wherein the transmission assembly comprises a first pulley (13) mounted on the screw rod (12) and a second pulley (36) mounted on a second transmission shaft (37), and the first pulley (13) and the second pulley (36) are connected through a transmission belt (14).
5. A device for detecting the airtightness of a quartz crystal resonator according to claim 4, wherein a cover plate (15) is attached to said rotary ring (3).
6. The device for detecting the airtightness of a quartz crystal resonator according to claim 5, wherein said elastic member is an elastic telescopic rod (23).
CN202210319999.0A 2022-03-29 2022-03-29 Detection apparatus convenient to quartz crystal syntonizer gas tightness detects Pending CN114812966A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210319999.0A CN114812966A (en) 2022-03-29 2022-03-29 Detection apparatus convenient to quartz crystal syntonizer gas tightness detects

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210319999.0A CN114812966A (en) 2022-03-29 2022-03-29 Detection apparatus convenient to quartz crystal syntonizer gas tightness detects

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Publication Number Publication Date
CN114812966A true CN114812966A (en) 2022-07-29

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Application Number Title Priority Date Filing Date
CN202210319999.0A Pending CN114812966A (en) 2022-03-29 2022-03-29 Detection apparatus convenient to quartz crystal syntonizer gas tightness detects

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115200810A (en) * 2022-09-14 2022-10-18 东晶电子金华有限公司 Resonator performance detection time control method and device and readable storage medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115200810A (en) * 2022-09-14 2022-10-18 东晶电子金华有限公司 Resonator performance detection time control method and device and readable storage medium
CN115200810B (en) * 2022-09-14 2022-12-16 东晶电子金华有限公司 Resonator performance detection time control method and device and readable storage medium

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