Performance testing device for quartz crystal resonator

Abstract

A performance testing device for a quartz crystal resonator comprises a testing box, an opening is formed in the top of the testing box, the opening is sealed through an upper cover, a transversely-arranged testing plate is installed in the middle of the interior of the testing box, the testing plate is fixedly connected with the testing box through a plurality of supporting springs, and vibration equipment is installed at the bottom of the testing plate. The top of the test plate is provided with a contact pin used for being matched with a quartz crystal resonator, the contact pin is externally connected with a crystal oscillator detection frequency instrument through a wire, a pressing plate is arranged right above the contact pin, the test plate is provided with a vertically arranged guide rod, the pressing plate is transversely and movably sleeved on the guide rod, the guide rod above the pressing plate is provided with a support plate, and the support plate is arranged on the support plate. A pressing bolt matched with the pressing plate is arranged on the supporting plate in a screwed mode, and a reset spring matched with the pressing plate is further arranged on the guide rod below the pressing plate in a sleeved mode. According to the invention, the actual vibration environment can be accurately simulated, so that the influence of vibration at different temperatures on the performance of the quartz crystal resonator can be detected.

Description

Technical Field

[0001] The utility model relates to the technical field of quartz crystal resonator testing, in particular to a performance testing device for quartz crystal resonators. Background Art

[0002] As a core component in electronic systems, the stability and accuracy of quartz crystal resonators' performance directly determine the operational quality of the entire system. Therefore, to ensure stable operation in a variety of complex environments, rigorous testing of their performance, particularly their vibration resistance, is essential. This is because even minor transport bumps or natural vibrations during equipment operation can cause damage if their vibration resistance fails to meet standards. Traditional vibration resistance testing methods often rely on experimental testing and theoretical analysis. While these methods offer a certain degree of accuracy and reliability, they suffer from limitations such as long testing cycles, high costs, and difficulty simulating actual environments. Utility Model Content

[0003] The technical problem to be solved by the utility model is to address the deficiencies of the existing technology and provide a performance testing device for a quartz crystal resonator that can accurately simulate an actual vibration environment so as to detect the influence of vibration on the performance of the quartz crystal resonator at different temperatures.

[0004] The technical problem to be solved by the present invention is achieved by the following technical solution: The present invention is a performance testing device for a quartz crystal resonator, comprising a test box, an opening provided at the top of the test box, the opening being sealed by an upper cover, a horizontally arranged test board mounted in the middle of the test box, the test board being fixedly connected to the test box via a plurality of support springs, a vibration device mounted at the bottom of the test board, a pin for cooperating with the quartz crystal resonator mounted at the top of the test board, the pin being connected to an external crystal oscillator frequency detection meter via a wire, a pressure plate mounted directly above the pin, a vertically arranged guide rod mounted on the test board, the pressure plate being laterally movably sheathed on the guide rod, a support plate mounted on the guide rod above the pressure plate, a downward pressure bolt for cooperating with the pressure plate being screwed onto the support plate, and a return spring for cooperating with the pressure plate being sheathed on the guide rod below the pressure plate; an air blowing device mounted at the bottom of the test box, a heater mounted on the air outlet side of the air blowing device, and a temperature meter mounted on the top of the test box.

[0005] The technical problem to be solved by the present invention can be further achieved through the following technical solution. For the performance testing device for quartz crystal resonators described above, one side of the upper cover is hinged to the test box, and the other side of the upper cover is equipped with a lock that cooperates with the test box.

[0006] The technical problem to be solved by the present invention can be further achieved through the following technical solutions. For the above-mentioned performance testing device for quartz crystal resonators, the vibration device is a vibration motor.

[0007] The technical problem to be solved by the present invention can be further achieved through the following technical solutions. For the above-mentioned performance testing device for quartz crystal resonators, the blowing device is a stepless speed-variable fan.

[0008] The technical problem to be solved by the present invention can be further achieved through the following technical solution. For the above-mentioned performance testing device for quartz crystal resonators, the heater is a resistance heater.

[0009] The technical problem to be solved by the present invention can be further achieved through the following technical solutions. For the above-mentioned performance testing device for quartz crystal resonators, two guide rods are provided, and the pin is provided between the two guide rods.

[0010] The technical problem to be solved by the present invention can be further achieved through the following technical solutions. For the above-mentioned performance testing device for quartz crystal resonators, the test box is generally in the shape of a rectangular parallelepiped, and an insulation layer is installed on the outside of the test box.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. The utility model effectively isolates external vibration and interference through the sealed cover design of the top opening of the test box, as well as the horizontal test board and support spring installed inside the test box, providing a stable and interference-free testing environment for the quartz crystal resonator. This environment ensures the accuracy and repeatability of the test and helps to accurately measure the performance parameters of the resonator;

[0013] 2. The test board of the utility model is designed with pins, vibration equipment and quartz crystal resonator, which are directly connected to the crystal oscillator frequency detection meter through wires, simplifying the test connection process and improving the test efficiency. At the same time, the combined design of the pressure plate, guide rod, pressing bolt and reset spring makes the installation and fixation of the quartz crystal resonator more convenient, ensuring the stability and reliability during the test process;

[0014] 3. The blowing device and heater installed at the bottom of the test box and the temperature meter on the top together form a temperature-controllable test environment. This allows the user to adjust the temperature inside the test box according to test requirements, simulate the vibration resistance performance of the quartz crystal resonator under different temperature environments, and thus comprehensively evaluate the temperature stability and adaptability of the quartz crystal resonator. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of the present utility model. DETAILED DESCRIPTION

[0016] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0017] Reference Figure 1 A performance testing device for a quartz crystal resonator includes a test box 1. The test box 1 is generally rectangular and has an insulation layer installed on the outside of the test box 1. The design is to provide a stable and controllable test environment and minimize the impact of external ambient temperature fluctuations on the temperature inside the test box 1, thereby ensuring the accuracy and repeatability of the test.

[0018] An opening is provided at the top of the test box 1, which is sealed by an upper cover 2. One side of the upper cover 2 is hinged to the test box 1, and the other side of the upper cover 2 is equipped with a lock that cooperates with the test box 1 to facilitate opening and closing, and to ensure that the upper cover 2 is tightly closed during the test to prevent external interference;

[0019] A transversely arranged test board 3 is installed in the middle of the test box 1. The test board 3 is fixedly connected to the test box 1 via a number of support springs 4. A vibration device 5 is installed at the bottom of the test board 3. The vibration device 5 is convenient for driving the test board 3 to vibrate, so as to facilitate the performance test of the quartz crystal resonator under different vibration intensities. Preferably, the vibration device 5 is a vibration motor. The vibration frequency and amplitude of the vibration motor can be adjusted as needed to simulate the vibration environment of the quartz crystal resonator in actual application and realize the vibration resistance performance test.

[0020] A pin 6 for cooperating with a quartz crystal resonator is mounted on the top of the test board 3. The pin 6 is connected to an external crystal oscillator frequency detector 7 via a wire for real-time measurement and recording of the frequency characteristics of the quartz crystal resonator. The design of the pin 6 ensures quick assembly and disassembly of the resonator, which helps improve efficiency. Preferably, the number of pins 6 is an even number, such as 2 or 4, to facilitate cooperating with the two pins of the quartz crystal resonator.

[0021] In order to prevent the quartz crystal resonator from falling during the test, a pressure plate 8 is installed just above the pin 6, and a vertically arranged guide rod 9 is installed on the test plate 3. The pressure plate 8 is movably sleeved on the guide rod 9, and a support plate is installed on the guide rod 9 above the pressure plate 8. A pressing bolt 11 that cooperates with the pressure plate 8 is screwed on the support plate, and a return spring 10 that cooperates with the pressure plate 8 is also sleeved on the guide rod 9 below the pressure plate 8; it is convenient to use the pressing bolt 11 to drive the pressure plate 8 to move downward, so as to press down and fix the quartz crystal resonator through the pressure plate 8; the setting of the return spring 10 enables the pressure plate 8 to automatically lift upward under the action of the elastic force after loosening the pressing bolt 11, so as to facilitate the removal of the quartz crystal resonator; preferably, there are two guide rods 9, and the pin 6 is arranged between the two guide rods 9;

[0022] In order to achieve temperature regulation in the test box 1, a blowing device 12 is installed at the bottom of the test box 1, a heater 13 is installed on the air outlet side of the blowing device 12, and a temperature meter 14 is also installed on the upper part of the test box 1. By adjusting the power of the heater 13 and the speed of the fan, the temperature in the test box 1 can be quickly controlled. Preferably, the blowing device 12 is a stepless speed variable fan, and the heater 13 is a resistance heater 13.

[0023] The use process of this utility model is:

[0024] First, connect the quartz crystal resonator to be tested to the test board 3 via pin 6 and adjust the pressing bolt 11 on the pressing plate 8 so that the pressing plate 8 applies appropriate pressure to the quartz crystal resonator. Then, set the vibration parameters of the vibration motor, the temperature of the heater 13, and the speed of the fan according to the test requirements.

[0025] Start the vibration motor to make the test board 3 and the quartz crystal resonator start to vibrate. At the same time, turn on the heater 13 and the fan, adjust the temperature and wind speed in the test box 1 to the set values, and the crystal oscillator frequency detector 7 starts to measure and record the frequency characteristics of the resonator in real time;

[0026] During the test, the temperature meter 14 will monitor and display the temperature inside the test box 1 in real time to ensure that the test environment is stable. After the test is completed, the vibration motor, heater 13 and fan are turned off, and the test data is read and recorded from the crystal oscillator frequency detection meter 7. Finally, the data is analyzed and processed to evaluate whether the performance of the quartz crystal resonator meets the requirements.

[0027] The utility model can comprehensively and accurately evaluate the performance of quartz crystal resonators under different vibrations and temperatures, providing strong support for product quality control and research and development.

Claims

1. A performance testing device for a quartz crystal resonator, characterized in that: The test box includes a test box with an opening at the top, the opening is sealed by an upper cover, a horizontally arranged test board is installed in the middle of the interior of the test box, the test board is fixedly connected to the test box by a number of supporting springs, a vibration device is installed at the bottom of the test board, a pin for cooperating with a quartz crystal resonator is installed on the top of the test board, the pin is connected to an external crystal oscillator frequency detection meter through a wire, a pressure plate is installed directly above the pin, a vertically arranged guide rod is installed on the test board, the pressure plate is movably sleeved on the guide rod above the pressure plate, a support plate is installed on the guide rod above the pressure plate, a downward pressure bolt cooperating with the pressure plate is screwed on the support plate, and a reset spring cooperating with the pressure plate is also sleeved on the guide rod below the pressure plate; an air blowing device is installed at the bottom of the test box, a heater is installed on the air outlet side of the air blowing device, and a temperature meter is also installed on the upper part of the test box.

2. The performance testing device for a quartz crystal resonator according to claim 1, wherein: One side of the upper cover is hinged to the test box, and the other side of the upper cover is provided with a lock that matches the test box.

3. The performance testing device for a quartz crystal resonator according to claim 1, wherein: The vibration device is a vibration motor.

4. The performance testing device for a quartz crystal resonator according to claim 1, wherein: The blowing device is a stepless speed-variable fan.

5. The performance testing device for a quartz crystal resonator according to claim 1 or 4, characterized in that: The heater is a resistance heater.

6. The performance testing device for a quartz crystal resonator according to claim 1, wherein: There are two guide rods, and the pin is arranged between the two guide rods.

7. The performance testing device for a quartz crystal resonator according to claim 1, wherein: The test box is in the shape of a rectangular parallelepiped as a whole, and a heat-insulating layer is installed on the outside of the test box.

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