A leakage detection device for vacuum-encapsulated quartz crystal resonators

Abstract

This utility model relates to the field of resonator leakage detection technology, and more particularly to a vacuum-sealed quartz crystal resonator leakage detection device. This utility model provides a vacuum-sealed quartz crystal resonator leakage detection device capable of independently detecting quartz crystal resonators, facilitating rapid and accurate detection of the sealing performance of individual quartz crystal resonators. A vacuum-sealed quartz crystal resonator leakage detection device includes a main body and a control module, with the control module connected to the upper front of the main body. This utility model uses a pressure sensor to detect the air pressure in the space above the placement plate and in the detection chamber. When a quartz crystal resonator leaks, the pressure sensor detects the pressure change in the detection chamber, thereby identifying the leaking quartz crystal resonator and achieving the effect of independently detecting quartz crystal resonators for rapid and accurate detection of the sealing performance of individual quartz crystal resonators.

Description

Technical Field

[0001] This utility model relates to the field of resonator leakage detection technology, and in particular to a vacuum-encapsulated quartz crystal resonator leakage detection device. Background Technology

[0002] To ensure the sealing performance of vacuum-sealed quartz crystal resonators (crystal oscillators) and prevent the influence of the external environment on internal components, it is crucial to employ appropriate leakage detection methods.

[0003] A quartz crystal resonator sealing performance leak detection device, disclosed in CN217237120U, includes: a base plate, a controller, an air pump, and a detection box, with the air pump electrically connected to the controller; a cover plate on the top of the detection box; a placement plate in the center of the detection box, with a vertically penetrating channel; a first pressure relief pipe, which penetrates the outer wall of the detection box and communicates with the lower space, and is equipped with a first solenoid valve; an air supply pipe, which penetrates the outer wall of the detection box and communicates with the upper space, and is connected to the air pump through a third solenoid valve; a timer, a first pressure sensor, and a second pressure sensor are fixedly connected to the front of the detection box. This invention can detect sealing defects in the lead insulation of a crystal resonator before it is sealed, and can also detect the compressive strength of the crystal resonator shell and sealing defects after it is sealed. However, because the lower spaces of the crystal elements in this quartz crystal resonator sealing performance leak detection device are interconnected, when a leak is detected, it is impossible to directly determine which crystal element has a problem.

[0004] Therefore, a vacuum-sealed quartz crystal resonator leakage detection device has now been developed that can independently test quartz crystal resonators, so as to quickly and accurately detect the sealing performance of individual quartz crystal resonators. Utility Model Content

[0005] To overcome the shortcomings of existing quartz crystal resonator leak detection devices, where the lower spaces of the crystal elements are interconnected and it is impossible to directly determine which crystal element is malfunctioning when a leak is detected, this invention provides a vacuum-sealed quartz crystal resonator leak detection device that can independently detect quartz crystal resonators, thereby enabling rapid and accurate detection of the sealing performance of individual quartz crystal resonators.

[0006] The technical implementation scheme of this utility model is as follows: A vacuum-sealed quartz crystal resonator leakage detection device includes a body, a control module, a vacuum pump, an air pipe, a pressure sensor, a placement plate, a detection box, a quartz crystal resonator, and a sealing assembly. The control module is connected to the upper front side of the body, the vacuum pump is connected to the upper right rear side of the body, the air pipe is connected to the left side of the vacuum pump and connected to the body, the pressure sensor is connected to the inner left rear side of the body, the placement plate is connected inside the body, multiple detection boxes are connected to the lower side of the placement plate, and pressure sensors are also connected to the inner lower part of each detection box. Multiple quartz crystal resonators are fixed on the placement plate, and the quartz crystal resonators and the placement plate form a sealed state. The body is provided with a sealing assembly that can seal the interior.

[0007] More preferably, the vacuum pump, pressure sensor, and processor are electrically connected via a control module.

[0008] More preferably, it also includes support rods, with multiple support rods connected to the lower side of the body.

[0009] More preferably, the sealing assembly includes a cover plate, a sealing strip, and magnets. The cover plate is rotatably connected to the upper right side of the body, the sealing strip is connected to the lower side of the cover plate, and multiple magnets are connected to the lower side of the cover plate, all of which pass through the sealing strip.

[0010] More preferably, the cover is made of a transparent material.

[0011] More preferably, the cover plate has a gripping groove on the left side.

[0012] Compared with the prior art, the present invention has the following advantages: The present invention uses a pressure sensor to detect the pressure in the space above the placement plate and in the detection box. When the quartz crystal resonator leaks, the pressure sensor detects the pressure change in the detection box, thereby identifying the quartz crystal resonator that is leaking. This achieves the effect of independently detecting the quartz crystal resonator, so as to quickly and accurately detect the sealing performance of a single quartz crystal resonator. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0014] Figure 2 This is a three-dimensional structural diagram of the body and other components of this utility model.

[0015] Figure 3 This is a three-dimensional structural diagram of the components such as the placement plate of this utility model.

[0016] Figure 4 This is a three-dimensional structural diagram of the cover plate of the components of this utility model.

[0017] The meanings of the labels in the attached diagram are as follows: 1. Support rod, 2. Body, 3. Control module, 4. Vacuum pump, 5. Air pipe, 6. Air pressure sensor, 7. Placement plate, 8. Detection box, 9. Cover plate, 10. Grip groove, 11. Sealing strip, 12. Magnet, 13. Quartz crystal resonator. Detailed Implementation

[0018] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0019] A leakage detection device for vacuum-encapsulated quartz crystal resonators, such as Figures 1-4 As shown, the device includes support rods 1, a body 2, a control module 3, a vacuum pump 4, an air pipe 5, a pressure sensor 6, a placement plate 7, detection boxes 8, quartz crystal resonators 13, and a sealing assembly. Four support rods 1 are connected to the lower side of the body 2. The control module 3 is connected to the upper front part of the body 2. The vacuum pump 4 is connected to the upper right rear part of the body 2. An air pipe 5 is connected to the left side of the vacuum pump 4 and is connected to the body 2. A pressure sensor 6 is connected to the inner left rear part of the body 2. The vacuum pump 4, the pressure sensor 6, and the processor are electrically connected through the control module 3. The placement plate 7 is connected inside the body 2. Eight detection boxes 8 are connected to the lower side of the placement plate 7. Each detection box 8 is also connected to a pressure sensor 6 on its lower inner side. Eight quartz crystal resonators 13 are fixed on the placement plate 7. The quartz crystal resonators 13 and the placement plate 7 form a sealed state. The body 2 is equipped with a sealing assembly.

[0020] like Figure 1 and Figure 4 As shown, the sealing assembly includes a cover plate 9, a sealing strip 11, and a magnet 12. The cover plate 9 is rotatably connected to the upper right side of the body 2. The cover plate 9 is made of transparent material to facilitate observation of the internal situation. A gripping groove 10 is opened on the left side of the cover plate 9. The sealing strip 11 is connected to the lower side of the cover plate 9. Multiple magnets 12 are connected to the lower side of the cover plate 9, and all magnets 12 pass through the sealing strip 11.

[0021] When using this utility model, first open the cover plate 9 through the gripping groove 10, then fix the quartz crystal resonator 13 on the placement plate 7 so that the quartz crystal resonator 13 and the detection box 8 on the placement plate 7 form a sealed state. The support rod 1 supports the machine body 2. After placement, rotate to close the cover plate 9. The magnet 12 is attracted to the machine body 2 to fix the cover plate 9. The sealing strip 11 contacts the machine body 2 to seal the machine body 2.

[0022] Subsequently, the processor starts the vacuum pump 4 through the control module 3, and slowly evacuates the space above the placement plate 7 to a vacuum state through the air pipe 5. The air pressure sensor 6 detects the air pressure in the space above the placement plate 7 and in the detection box 8. When a quartz crystal resonator 13 leaks, the air pressure sensor 6 in the detection box will detect a significant change in the air pressure in the detection box 8, thereby identifying the quartz crystal resonator 13 that has leaked. This enables independent detection of the quartz crystal resonator 13, so as to quickly and accurately detect the sealing performance of a single quartz crystal resonator 13.

[0023] The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Therefore, all equivalent changes made based on the content described in the claims of the present utility model should be included within the scope of the claims of the present utility model.

Claims

1. A vacuum packaged quartz crystal resonator leak detection device, characterized by, The device includes an organism (2), a control module (3), a vacuum pump (4), an air pipe (5), a pressure sensor (6), a placement plate (7), a detection box (8), a quartz crystal resonator (13), and a sealing assembly. The control module (3) is connected to the upper front of the body (2), the vacuum pump (4) is connected to the upper right rear of the body (2), the air pipe (5) is connected to the left side of the vacuum pump (4), the air pipe (5) is connected to the body (2), the pressure sensor (6) is connected to the inner left rear of the body (2), the placement plate (7) is connected inside the body (2), multiple detection boxes (8) are connected to the lower side of the placement plate (7), and pressure sensors (6) are also connected to the inner lower part of the detection boxes (8). Multiple quartz crystal resonators (13) are fixed on the placement plate (7), and the quartz crystal resonators (13) and the placement plate (7) form a sealed state. The body (2) is equipped with a sealing assembly that can seal the interior.

2. The vacuum packaged quartz crystal resonator leak detection apparatus of claim 1, wherein the vacuum packaged quartz crystal resonator leak detection apparatus further comprises a vacuum pump. The vacuum pump (4), the pressure sensor (6), and the processor are electrically connected via the control module (3).

3. The leakage detection device for a vacuum-encapsulated quartz crystal resonator as described in claim 1, characterized in that, It also includes support rods (1), and multiple support rods (1) are connected to the lower side of the body (2).

4. The leakage detection device for a vacuum-encapsulated quartz crystal resonator as described in claim 1, characterized in that, The sealing assembly includes a cover plate (9), a sealing strip (11) and a magnet (12). The cover plate (9) is rotatably connected to the upper right side of the body (2). The sealing strip (11) is connected to the lower side of the cover plate (9). Multiple magnets (12) are connected to the lower side of the cover plate (9). All magnets (12) pass through the sealing strip (11).

5. The vacuum-encapsulated quartz crystal resonator leakage detection device as described in claim 4, characterized in that, The cover plate (9) is made of transparent material.

6. The leakage detection device for a vacuum-encapsulated quartz crystal resonator as described in claim 4, characterized in that, The cover plate (9) has a gripping groove (10) on the left side.

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