CN212779801U - Gas tightness detection device for quartz crystal oscillator - Google Patents
Gas tightness detection device for quartz crystal oscillator Download PDFInfo
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- CN212779801U CN212779801U CN202021706266.5U CN202021706266U CN212779801U CN 212779801 U CN212779801 U CN 212779801U CN 202021706266 U CN202021706266 U CN 202021706266U CN 212779801 U CN212779801 U CN 212779801U
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Abstract
A gas tightness detection device for a quartz crystal oscillator solves the problems that the gas tightness detection device of the existing quartz crystal oscillator has poor gas tightness detection effect, low detection efficiency and is not beneficial to the detection of the quartz crystal oscillator, and comprises a base, a PLC (programmable logic controller), a fixed block, a fixed bolt, a movable block, a fan, a conveying hose, a detection cavity, a pressure sensor and a buzzer, wherein a support table is arranged in the middle of the top end of the base, a support column is arranged at the top of one end of the support table, a control switch is arranged at one side of the bottom of the support column, the PLC is arranged at one side of the control switch, the buzzer is arranged at the other side of the control switch, the fixed block is arranged at one side of the top end of the support column, the movable block is arranged at one side of the fixed block through the fixed, the gas tightness detection is convenient to carry out on the crystal oscillator, the detection effect is good, and the use is facilitated.
Description
Technical Field
The utility model relates to an air tightness detection device specifically is an air tightness detection device for quartz crystal oscillator.
Background
Some electronic devices require ac signals with highly stable frequency, and LC oscillators have poor stability, easily drift in frequency (i.e. the frequency of the generated ac signal is easily changed), and use a special component in the oscillator, quartz crystal, to generate highly stable signals.
The existing gas tightness detection device of the quartz crystal oscillator generally has 2 types: helium leak detection, high density solution leak detection; the helium leak detection method has high use cost, and the detection efficiency is too low to be suitable for large-scale detection; the high-density solution leak detection method is carried out by observing bubbling by personnel, has low efficiency, can generate the condition of misjudgment or misjudgment of personnel and has insufficient detection precision, and is not beneficial to the comprehensive detection of large-batch quartz crystal oscillators.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model provides an air tightness detection device for quartz crystal oscillator, the effectual air tightness detection device gas tightness detection effect who has solved current quartz crystal oscillator is poor, and detection efficiency is low, is unfavorable for the problem of big detection of quartz crystal oscillator in batches.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model comprises a base, a supporting platform, a supporting column, a control switch, a PLC controller, a fixed block, a fixed bolt, a movable block, a fan, a conveying hose, a detection cavity, a pressure sensor, a sealing groove, a sealing gasket, a bolt hole, an air inlet cavity, a crystal oscillator, an exhaust hole, a pressure valve and a buzzer, wherein the middle part of the top end of the base is provided with the supporting platform, the top of one end of the supporting platform is provided with the supporting column, one side of the bottom of the supporting column is provided with the control switch, one side of the control switch is provided with the PLC controller, the other side of the control switch is provided with the buzzer, one side of the top end of the supporting column is provided with the fixed block, one side of the fixed block is provided with the movable block through the fixed bolt, one side, the middle part that detects the chamber installs pressure sensor, and the seal groove has all been seted up to the junction of fixed block and movable block, and the seal groove intussuseption is filled with sealed the pad, and the chamber of admitting air has been seted up at the middle part of movable block, has placed crystal oscillator in sealed the pad.
Preferably, the fixed block and the moving block are provided with bolt holes corresponding to the fixed bolts.
Preferably, the fixed block and the moving block are both provided with exhaust holes, and one end of each exhaust hole is provided with a pressure valve.
Preferably, the air inlet cavity is connected with the conveying hose through an air inlet hole.
Preferably, the control switch is electrically connected with the fan.
Preferably, the pressure sensor is electrically connected with the input end of the PLC controller, and the output end of the PLC controller is electrically connected with the buzzer.
Has the advantages that: when the utility model is used, the fixing bolt is unscrewed, the moving block is taken down, then the crystal oscillator which needs to be subjected to air tightness detection is placed on the sealing gasket in the sealing groove, after the placement is completed, the moving block is placed on one side of the fixing block, the fixing block and the moving block are fixed through the fixing bolt, after the fixation is completed, the fan is controlled to work through the control switch, the wind generated by the work of the fan is conveyed into the air inlet cavity through the conveying hose, if the air tightness of the crystal oscillator is not good, gas enters the detection cavity from the crystal oscillator, the pressure sensor in the detection cavity can detect a pressure signal, the pressure sensor can convey the detected pressure signal to the PLC controller, after the analysis and the processing of the PLC controller, if the pressure signal exists, the output end of the PLC controller can send an instruction to the buzzer, the buzzer works to send out buzzing sound, the air tightness of the crystal oscillator is, if there is not pressure signal, the output of PLC controller can give out an order and give bee calling organ, and bee calling organ is out of work, then indicates that crystal oscillator gas tightness is good, is convenient for carry out the gas tightness to crystal oscillator and detects, the utility model discloses novel structure thinks about ingeniously, is convenient for carry out the detection of gas tightness to crystal oscillator, and detection effect is good, is favorable to using.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the fixing block structure of the present invention;
reference numbers in the figures: 1. a base; 2. a support table; 3. a support pillar; 4. a control switch; 5. a PLC controller; 6. a fixed block; 7. fixing the bolt; 8. a moving block; 9. a fan; 10. a delivery hose; 11. a detection chamber; 12. a pressure sensor; 13. a sealing groove; 14. a gasket; 15. bolt holes; 16. an air inlet cavity; 17. a crystal oscillator; 18. an exhaust hole; 19. a pressure valve; 20. a buzzer.
Detailed Description
The following describes the present invention in further detail with reference to the accompanying fig. 1-3.
Embodiment one, given by fig. 1-3, the utility model provides an air tightness detection device for quartz crystal oscillator, which comprises a base 1, a support table 2, a support column 3, a control switch 4, a PLC controller 5, a fixed block 6, a fixing bolt 7, a movable block 8, a fan 9, a conveying hose 10, a detection cavity 11, a pressure sensor 12, a sealing groove 13, a sealing gasket 14, a bolt hole 15, an air inlet cavity 16, a crystal oscillator 17, an exhaust hole 18, a pressure valve 19 and a buzzer 20, wherein the middle part of the top end of the base 1 is provided with the support table 2, the top of one end of the support table 2 is provided with the support column 3, one side of the bottom of the support column 3 is provided with the control switch 4, one side of the control switch 4 is provided with the PLC controller 5, the other side of the control switch 4 is provided with the buzzer 20, one side of the top end of the support column 3 is, a fan 9 is installed at one side of the supporting table 2, an air outlet of the fan 9 is connected with a conveying hose 10, one end of the conveying hose 10 is connected with a moving block 8, a detection cavity 11 is formed in the middle of the inner side of the fixed block 6, a pressure sensor 12 is installed in the middle of the detection cavity 11, a sealing groove 13 is formed in the joint of the fixed block 6 and the moving block 8, a sealing gasket 14 is filled in the sealing groove 13, an air inlet cavity 16 is formed in the middle of the moving block 8, and a crystal oscillator 17 is placed in the sealing.
The fixing block 6 and the moving block 8 are provided with bolt holes 15 corresponding to the fixing bolts 7, so that the fixing block and the moving block are convenient to install and use in a matched mode.
Exhaust holes 18 are formed in the fixed block 6 and the moving block 8, a pressure valve 19 is installed at one end of each exhaust hole 18, exhaust is conducted through the exhaust holes 18 and the pressure valve 19, and the pressure in the detection cavity 11 and the pressure in the air inlet cavity 16 are kept.
The air inlet cavity 16 is connected with the conveying hose 10 through an air inlet hole, so that the conveying hose is convenient to match with the conveying hose for use.
The control switch 4 is electrically connected with the fan 9, so that signal transmission and control are facilitated.
The pressure sensor 12 is electrically connected to the input end of the PLC controller 5, and the output end of the PLC controller 5 is electrically connected to the buzzer 20, so as to facilitate signal transmission and control.
The working principle is as follows: when the utility model is used, the fixing bolt 7 is unscrewed, the moving block 8 is taken down, the crystal oscillator 17 which needs to be subjected to air tightness detection is placed on the sealing gasket 14 in the sealing groove 13, after the placement is finished, the moving block 8 is placed on one side of the fixed block 6, the fixed block 6 and the moving block 8 are fixed through the fixing bolt 7, after the fixation is finished, the fan 9 is controlled to work through the control switch 4, the wind generated by the work of the fan 9 is conveyed into the air inlet cavity 16 through the conveying hose 10, if the air tightness of the crystal oscillator 17 is not good, gas enters the detection cavity 11 from the crystal oscillator 17, the pressure sensor 12 in the detection cavity 11 can detect a pressure signal, the pressure sensor 12 transmits the detected pressure signal to the PLC controller 5, after the analysis and processing of the PLC controller 5, if the pressure signal exists, the output end of the PLC controller 5 can send an instruction to the buzzer 20, the buzzer 20 works to generate a buzzing sound, which indicates that the air tightness of the crystal oscillator 17 is not good, if no pressure signal exists, the output end of the PLC 5 can send an instruction to the buzzer 20, and the buzzer 20 does not work, which indicates that the air tightness of the crystal oscillator 17 is good, so that the air tightness detection of the crystal oscillator 17 is facilitated.
Has the advantages that: the utility model discloses novel structure thinks about ingeniously, is convenient for carry out the measuring of gas tightness to crystal oscillator 17, and detection effect is good, is favorable to the use.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A gas tightness detection device for a quartz crystal oscillator is characterized in that: comprises a base (1), a supporting platform (2), a supporting column (3), a control switch (4), a PLC (programmable logic controller) (5), a fixing block (6), a fixing bolt (7), a moving block (8), a fan (9), a conveying hose (10), a detection cavity (11), a pressure sensor (12), a sealing groove (13), a sealing gasket (14), a bolt hole (15), an air inlet cavity (16), a crystal oscillator (17), an exhaust hole (18), a pressure valve (19) and a buzzer (20), wherein the supporting platform (2) is arranged in the middle of the top end of the base (1), the supporting column (3) is arranged at the top of one end of the supporting platform (2), the control switch (4) is arranged on one side of the bottom of the supporting column (3), the PLC (5) is arranged on one side of the control switch (4), the buzzer (20) is arranged on the other side of the control switch (4), the, the movable block (8) is installed through fixing bolt (7) in one side of fixed block (6), fan (9) are installed to one side of brace table (2), the air outlet of fan (9) is connected with delivery hose (10), the one end and the movable block (8) of delivery hose (10) are connected, detection chamber (11) have been seted up at the inboard middle part of fixed block (6), the mid-mounting that detects chamber (11) has pressure sensor (12), seal groove (13) have all been seted up to the junction of fixed block (6) and movable block (8), sealed pad (14) have been filled in seal groove (13), admit air chamber (16) have been seted up at the middle part of movable block (8), crystal oscillator (17) have been placed in sealed pad (14).
2. The airtightness detection apparatus for the quartz crystal oscillator according to claim 1, wherein the fixing block (6) and the moving block (8) have bolt holes (15) at positions corresponding to the fixing bolts (7).
3. The airtightness detection apparatus for the quartz crystal oscillator according to claim 1, wherein the fixed block (6) and the moving block (8) are each provided with an exhaust hole (18) therein, and one end of the exhaust hole (18) is provided with a pressure valve (19).
4. The airtightness detection apparatus for a quartz crystal oscillator according to claim 1, wherein the gas inlet chamber (16) is connected to the delivery hose (10) through a gas inlet hole.
5. The airtightness detection apparatus for a quartz crystal oscillator according to claim 1, wherein the control switch (4) is electrically connected to a blower (9).
6. The airtightness detection apparatus for a quartz crystal oscillator according to claim 1, wherein the pressure sensor (12) is electrically connected to an input terminal of the PLC controller (5), and an output terminal of the PLC controller (5) is electrically connected to the buzzer (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021706266.5U CN212779801U (en) | 2020-08-16 | 2020-08-16 | Gas tightness detection device for quartz crystal oscillator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021706266.5U CN212779801U (en) | 2020-08-16 | 2020-08-16 | Gas tightness detection device for quartz crystal oscillator |
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| CN212779801U true CN212779801U (en) | 2021-03-23 |
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| CN202021706266.5U Active CN212779801U (en) | 2020-08-16 | 2020-08-16 | Gas tightness detection device for quartz crystal oscillator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532761A (en) * | 2021-08-03 | 2021-10-22 | 安徽万克姆科技有限公司 | Full-automatic leak detection system of crystal resonator |
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2020
- 2020-08-16 CN CN202021706266.5U patent/CN212779801U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532761A (en) * | 2021-08-03 | 2021-10-22 | 安徽万克姆科技有限公司 | Full-automatic leak detection system of crystal resonator |
| CN113532761B (en) * | 2021-08-03 | 2024-02-23 | 安徽万克姆科技有限公司 | Full-automatic leakage detection system of crystal resonator |
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