CN218211812U - Multi-channel air tightness testing device - Google Patents
Multi-channel air tightness testing device Download PDFInfo
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- CN218211812U CN218211812U CN202222505148.3U CN202222505148U CN218211812U CN 218211812 U CN218211812 U CN 218211812U CN 202222505148 U CN202222505148 U CN 202222505148U CN 218211812 U CN218211812 U CN 218211812U
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Abstract
The utility model relates to a pipeline detection technical field specifically is an airtight testing arrangement of multichannel, through be provided with a plurality of test channels on the clamp plate in gas tightness determine module, a plurality of test channel correspondence have been installed airtight connector test piece, a plurality of test channels form detection area on the clamp plate, drive actuating cylinder through solenoid electric element, and drive the top board and compress tightly on the clamp plate, and form airtight space between the clamp plate, the environment of gas tightness test is provided for airtight connector test piece, control helium mass spectrometer leak detector through solenoid electric element and carry out the gas tightness to airtight connector test piece and detect, the effectual test of light miniature connector leakproofness in batches that has improved greatly.
Description
Technical Field
The utility model relates to a pipeline inspection technical field specifically is an airtight testing arrangement of multichannel.
Background
With the rapid development of aviation and aerospace engineering, the requirements on military glass sealing connectors are higher and higher, and the application is wider and wider. The glass sealing connection mainly adopts the way that glass and kovar alloy are sintered together, the glass and metal are sintered through heating and melting of the glass, so that the glass and the metal are tightly adhered on a glowing metal surface, the glass and the metal can be still firmly sealed together when being cooled to room temperature, and the use requirements of air sealing, electrical performance and the like can be met.
Meanwhile, electronic equipment in aviation and aerospace systems is continuously developing to light weight and miniaturization, and connectors thereof are also continuously developing to light weight and miniaturization. Under the background of the requirements of miniaturization, light weight and air sealing, the air sealing performance of a glass sealing connector is particularly important for accurately and efficiently testing the air sealing performance of the glass sealing connector, but the air sealing performance of the light and small connector cannot be quickly tested at present. Therefore, the development of a device capable of realizing the rapid and accurate test of the air sealing performance of the product is urgent.
SUMMERY OF THE UTILITY MODEL
To the problem that has among the prior art and can't carry out the accuracy test to big light miniature connector leakproofness in batches, the utility model provides an airtight testing arrangement of multichannel, simple structure, convenient operation can effectively realize quick accurate test to the gas tightness of big light miniature connector in batches.
The utility model discloses a realize through following technical scheme:
a multi-channel airtight testing device comprises a helium mass spectrometer leak detector, an airtight detection component and an electromagnetic control element; the electromagnetic control element is respectively connected with the helium mass spectrometer leak detector and the air tightness detection component power supply; a vacuum pump and a helium gas detection sensor are arranged in the helium mass spectrometer leak detector; the air tightness detection assembly comprises a base, a pressing plate, an upper pressing cover, an air cylinder and a support; a vacuum channel is arranged in the base, the base is placed on the helium mass spectrometer leak detector, and the vacuum channel is connected with a vacuum pump; the bottom end of the support is connected with the base, and the top end of the support is provided with the air cylinder; the telescopic rod of the cylinder is arranged in a telescopic manner towards the direction of the base, the pressing plate is assembled at the top of the base, the pressing plate is provided with a plurality of testing channels, and the testing channels are communicated with the vacuum channel; the testing device comprises a plurality of testing channels, a plurality of pressing plates, an upper pressing cover, a plurality of air-tight connectors and a plurality of air-tight connectors, wherein the air-tight connectors are correspondingly arranged in the testing channels, the testing channels form a testing area in the pressing plates, the upper pressing cover is assembled at the end part of the telescopic rod, is driven by the telescopic rod to be pressed on the pressing plates, a sealed space is formed between the upper pressing plate and the pressing plates, and the testing area is distributed in the sealed space.
Preferably, a glass testing section is arranged in the airtight connector testing piece, the glass testing section is assembled at the channel opening of the testing channel, and a second sealing ring is arranged between the glass testing section and the channel opening of the testing channel.
Preferably, a mandrel is assembled on the base, the pressure plate is pressed on the mandrel, and a first sealing ring is arranged between the mandrel and the base.
Preferably, the end face of the upper gland is provided with a groove, the area of the groove is larger than that of the detection area on the pressing plate, and the depth of the groove is larger than the assembly height of the airtight connector testing piece in the testing through hole.
Preferably, the side wall of the upper gland is provided with an air delivery hole for delivering helium into the closed space.
Preferably, the upper gland is arranged flush with the contact surface of the pressure plate.
Preferably, a controller is arranged in the electromagnetic control element, the input end of the controller is connected with the signal input module, the output end of the controller is connected with the driving module and the alarm module, the input end of the signal input module is connected with the helium gas detection sensor, the output end of the driving module is respectively connected with the vacuum pump and the air cylinder, and the output end of the alarm module is connected with the alarm.
Furthermore, the output end of the controller is also connected with a human-computer interaction module, and the output end of the human-computer interaction module is connected with a data display panel and used for displaying the detection data of the helium detection sensor.
Preferably, a communicating vessel is arranged between the base and the helium mass spectrometer leak detector.
Preferably, the base, the pressure plate and the upper pressure plate are coaxially arranged.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model provides an airtight testing arrangement of multichannel, through be provided with a plurality of test channels on the clamp plate in gas tightness determine module, a plurality of test channel correspondence have been installed airtight connector test piece, a plurality of test channels form the detection area on the clamp plate, drive actuating cylinder through solenoid electric element, and drive the top board and compress tightly on the clamp plate, and form airtight space between the clamp plate, for airtight connector test piece provides the environment of gas tightness test, carrying out the evacuation and carrying out the gas tightness to airtight connector test piece through solenoid electric element control helium mass spectrometer leak detector, the effectual test of improving the light miniature connector leakproofness in batches.
Furthermore, a glass testing section is arranged in the testing piece of the air-tight connector and assembled at the passage opening of the testing passage, so that the air-tight testing of the glass testing section in the testing piece of the air-tight connector is facilitated, a second sealing ring is arranged between the glass testing section and the passage opening of the testing passage, the sealing performance between the glass testing section and the passage opening of the testing passage is improved, and the air leakage between the glass testing section and the passage opening of the testing passage is avoided, so that the testing result is not influenced.
Furthermore, the base is provided with the mandrel, the pressing plate is pressed on the mandrel and matched with the pressing plate and the base, the stability of the pressing plate on the base is provided, meanwhile, the first sealing ring is arranged between the mandrel and the base, the sealing performance between the pressing plate and the base is improved, and air leakage between the pressing plate and the base is avoided.
Furthermore, the end face of the upper gland is provided with a groove, the area of the groove is larger than that of a detection area on the pressing plate, the depth of the groove is larger than the height of the airtight connector testing piece assembled in the testing through hole, a good testing space is provided for the airtight connector testing piece, and the testing efficiency of the sealing performance of the large-batch light and small connectors is improved.
Furthermore, the side wall of the upper gland is provided with an air conveying hole for inputting helium into the closed space, the helium is input into the closed space, and the helium in the closed space is detected through the helium mass spectrometer leak detector, so that the tightness of the large-batch light and small connector can be conveniently tested, and the accuracy of the tightness test is improved.
Furthermore, the upper gland is parallel and level with the contact surface of the pressing plate, so that the sealing performance of the closed space is guaranteed, air leakage is avoided, and the testing effect is influenced.
Furthermore, a controller is arranged in the electromagnetic control element, so that the intelligent operation of detecting the sealing property of the glass part of the product is improved.
Furthermore, a communicating vessel is arranged between the base and the helium mass spectrometer leak detector, so that the base and the helium mass spectrometer leak detector can be conveniently connected, and the connection stability of the base and the helium mass spectrometer leak detector is improved.
Further, the base, the pressing plate and the upper pressing plate are coaxially arranged, the sealing performance of a formed closed space is improved, the sealing performance test of large-batch light and small connectors is guaranteed, and the accuracy of the sealing performance test is improved.
Drawings
FIG. 1 is a schematic structural view of a multi-channel air tightness testing device according to the present invention;
FIG. 2 is a side view of the multi-channel air tightness testing device of the present invention;
FIG. 3 is a schematic view of the multi-channel air tightness testing device of the present invention;
FIG. 4 is an enlarged schematic view of the multi-channel testing rod in the middle lower gland of the present invention;
fig. 5 is a top view of the multi-channel testing rod of the present invention.
In the figure: 1-helium mass spectrometer leak detector; 2-a base; 3-testing the channel; 4, pressing a plate; 5, pressing a cover; 6-cylinder; 7-electromagnetic control element; 8-a scaffold; 9-a communicating vessel; 10-a first sealing ring; 11-a second sealing ring; 12-hermetic seal connector test piece; 13-a data display panel; 14-mandrel.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present invention will be described in further detail with reference to the accompanying drawings:
the utility model provides an airtight testing arrangement of multichannel, simple structure, convenient operation can effectively realize quick accurate test to the gas tightness of big light miniature connector in batches.
Specifically, as shown in fig. 1 and 2, the multichannel airtightness testing apparatus includes a helium mass spectrometer leak detector 1, an airtightness detection assembly, and an electromagnetic control unit 7; the electromagnetic control element 7 is respectively connected with the helium mass spectrometer leak detector 1 and the air tightness detection component through power supplies; a vacuum pump and a helium gas detection sensor are arranged in the helium mass spectrometer leak detector 1; the air tightness detection assembly comprises a base 2, a pressure plate 4, an upper gland 5, an air cylinder 6 and a support 8; a vacuum channel is arranged in the base 2, the base 2 is placed on the helium mass spectrometer leak detector 1, and the vacuum channel is connected with a vacuum pump; the bottom end of the support 8 is connected with the base 2, and the top end is provided with the cylinder 6; the telescopic rod of the air cylinder 6 is arranged in a telescopic manner towards the direction of the base 2, the pressing plate 4 is assembled at the top of the base 2, the pressing plate 4 is provided with a plurality of testing channels 3, and the testing channels 3 are communicated with the vacuum channel; the airtight connector testing pieces 12 are correspondingly arranged in the testing channels 3, the testing channels 3 form a detection area in the pressing plate 4, the upper pressing cover 5 is assembled at the end part of the telescopic rod, the upper pressing cover 5 is driven by the telescopic rod to be tightly pressed on the pressing plate 4, an airtight space is formed between the upper pressing plate 5 and the pressing plate 4, and the detection area is distributed in the airtight space.
Specifically, as shown in fig. 4 and 5, a glass test section is arranged in the hermetic seal connector test piece 12, the glass test section is assembled at the passage opening of the test passage 3, so that the glass test section in the hermetic seal connector test piece can be conveniently subjected to hermetic seal test, and a second seal ring 11 is arranged between the glass test section and the passage opening of the test passage 3, so that the sealing property between the glass test section and the passage opening of the test passage is improved, and the influence on the test result caused by air leakage between the glass test section and the passage opening of the test passage is avoided.
Specifically, as shown in fig. 4 and 5, the mandrel 14 is assembled on the base 2, the pressing plate 4 is pressed on the mandrel 14, so that the stability of the pressing plate on the base is provided, and the first sealing ring 10 is arranged between the mandrel 14 and the base 2, so that the sealing performance between the pressing plate and the base is improved, and air leakage between the pressing plate and the base is avoided.
Specifically, the end face of the upper gland 5 is provided with a groove, the area of the groove is larger than that of a detection area on the pressing plate 4, the depth of the groove is larger than the assembly height of the airtight connector testing piece 12 in the testing through hole 3, a good testing space is provided for the airtight connector testing piece, and the testing efficiency of the sealing performance of the large-batch light and small connectors is improved.
Specifically, the side wall of the upper gland 5 is provided with the gas transmission hole, so that helium is input into the closed space, the helium in the closed space is detected through the helium mass spectrometer leak detector, the tightness test of a large batch of light and small connectors is facilitated, and the accuracy of the tightness test is improved.
Specifically, the contact surface of the upper gland 5 and the pressure plate 4 is parallel and level to ensure the sealing performance of the closed space, so that air leakage is avoided, and the test effect is influenced.
Specifically, a controller is arranged in the electromagnetic control element 7, the input end of the controller is connected with the signal input module, the output end of the controller is connected with the driving module and the alarm module, the input end of the signal input module is connected with the helium gas detection sensor, the output end of the driving module is respectively connected with the vacuum pump and the air cylinder 6, and the output end of the alarm module is connected with the alarm.
The output end of the controller is further connected with a human-computer interaction module, and the output end of the human-computer interaction module is connected with a data display panel and used for displaying detection data of the helium detection sensor.
Specifically, be equipped with linker 9 between base 2 and helium mass spectrometer leak detector 1, be convenient for be connected base and helium mass spectrometer leak detector, improved base and helium mass spectrometer leak detector connection stability.
Specifically, base 2, clamp plate 4 and the coaxial setting of top board 5 have improved the leakproofness in airtight space that forms, have guaranteed to carry out the leakproofness test to light miniature connector in batches, have improved the accuracy to the leakproofness test.
The utility model discloses well helium mass spectrum leak detector 1 is current product in the market, and the model is Yingfukang UL1000, and the theory of operation realizes the airtight test of being surveyed the piece through evacuation and nitrogen gas detection, has the operation such as start-up and stop on its operating panel, realizes airtight test work, and the airtight test parameter of real-time dynamic display simultaneously.
The test channel 3 realizes the effects of mounting, positioning, sealing and supporting when the plurality of airtight connector test pieces 12 are tested, is convenient to mount and high in precision, and is matched with the second seal ring 12 and the press plate 4 to realize the radial clamping of the plurality of test pieces so as to realize the sealing between two end faces of the tested piece.
The upper gland 5 is installed and connected on a telescopic rod of the cylinder 6, and when the device is used, the cylinder 6 provides power to the pressing piece 2 so as to realize the sealing in the circumferential direction of the plurality of airtight connector testing pieces 12, so that individual products cannot be sealed due to the fact that the upper gland 5 is pressed obliquely when the plurality of tested pieces 12 are tested, and when the upper gland is used, the hard contact and oblique pressing are avoided by matching with a sealing ring; and secondly, a side hole is formed in the upper gland 5, helium can be injected into the side hole through the side hole after test data of the whole system are stable, and whether the tested piece leaks gas or not is further determined through detection of the helium mass spectrometer leak detector.
The cylinder 6 is a power execution element and is matched with the electromagnetic valve control element 7 to control the upper gland 5 to reciprocate up and down, so that the tested piece of the multi-channel module is sealed, and the test of a plurality of tested pieces is finally prepared.
A controller of the electromagnetic control element 7 is provided with a start button and a pause button, the start button is pressed, the air cylinder 6 drives the upper gland 5 to vertically move downwards and press the pressing plate 4, the helium mass spectrometer leak detector 1 starts to work while pressing the pressing plate 4, and all tested pieces 12 in the pressing plate 4 are subjected to vacuum pumping to test the air tightness of the tested pieces; and (3) pressing a pause button in the piece 5, enabling the piece 3 to vertically move upwards and separate from the piece 2, and stopping the piece 1 while separating from the piece 2, at the moment, taking off all tested pieces in the piece 2, and putting new tested pieces into the pieces to sequentially test batch products.
The utility model discloses can be equipped with 6 ~ 50 test passageways on the clamp plate 4 usually, cooperate conventional helium mass spectrometer leak detector in market, alright realize carrying out airtight test to 6 ~ 50 products simultaneously, specific theory of use as follows:
connecting a base 2 with a helium mass spectrometer leak detector 1 through a screw and a communicating vessel 9, and sequentially assembling a mandrel 14 and a pressing plate 4 on the base 2, wherein the installation in place is ensured to be free of inclination; then, the telescopic rod of the cylinder 6 is driven to descend by the electromagnetic control element 7, and the upper gland 5 is driven to move downwards to the proper position and press the press plate 4 to realize the sealing of the circumferential surface of the outer shell of each airtight connector testing piece 12, as shown in fig. 3; when the upper gland 5 compresses the pressing plate 4, the electromagnetic control element 7 drives the helium mass spectrometer leak detector 1 to work, a vacuumizing test is realized on a closed space between the upper gland 5 and the pressing plate 4, test data are displayed in real time, helium can be injected into a gas transmission hole of the upper gland 5 after the test data of the whole system are stable, a helium detection sensor in the helium mass spectrometer leak detector 1 detects the helium, and when the helium is detected, an alarm gives an alarm, which indicates that the gas leakage condition exists in each gas sealing connector testing piece 12, otherwise, the gas leakage condition does not exist in each gas sealing connector testing piece 12; and the electromagnetic control element 7 drives the telescopic rod of the cylinder 6 to move upwards, the upper gland 5 vertically moves upwards and is separated from the pressing plate 4, meanwhile, the electromagnetic control element 7 drives the helium mass spectrometer leak detector 1 to stop working, all the gas sealing connector testing pieces 12 in the pressing plate 4 are taken down at the moment, and new gas sealing connector testing pieces 12 are put into the air sealing connector testing pieces 12 to sequentially test batch products.
To sum up, the utility model provides an airtight testing arrangement of multichannel, through be provided with a plurality of test channels on the clamp plate in gas tightness determine module, a plurality of test channel correspondence have been installed airtight connector test piece, a plurality of test channels form the detection area on the clamp plate, drive actuating cylinder through solenoid electric element, and drive the top board and compress tightly on the clamp plate, and form airtight space between the clamp plate, the environment of gas tightness test is provided for airtight connector test piece, carry out the evacuation and carry out the gas tightness to airtight connector test piece through solenoid electric element control helium mass spectrum leak detector, the effectual test of improving the light miniature connector leakproofness in batches.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents of the embodiments of the invention may be made without departing from the spirit and scope of the invention, which should be construed as falling within the scope of the claims of the invention.
Claims (10)
1. A multi-channel airtight testing device is characterized by comprising a helium mass spectrometer leak detector (1), an airtight detection component and an electromagnetic control element (7); the electromagnetic control element (7) is respectively connected with the helium mass spectrometer leak detector (1) and the air tightness detection assembly through a power supply; a vacuum pump and a helium gas detection sensor are arranged in the helium mass spectrometer leak detector (1); the air tightness detection assembly comprises a base (2), a pressing plate (4), an upper pressing cover (5), an air cylinder (6) and a support (8); a vacuum channel is arranged in the base (2), the base (2) is placed on the helium mass spectrometer leak detector (1), and the vacuum channel is connected with a vacuum pump; the bottom end of the support (8) is connected with the base (2), and the top end is provided with the cylinder (6); the telescopic rod of the air cylinder (6) is arranged in a telescopic manner towards the direction of the base (2), the pressing plate (4) is assembled at the top of the base (2), the pressing plate (4) is provided with a plurality of testing channels (3), and the testing channels (3) are communicated with the vacuum channel; the airtight connector testing piece (12) is correspondingly installed in the plurality of testing channels (3), the plurality of testing channels (3) form a detection area in the pressing plate (4), the upper pressing cover (5) is assembled at the end of the telescopic rod, the upper pressing cover (5) is driven by the telescopic rod to be pressed on the pressing plate (4), an airtight space is formed between the upper pressing cover (5) and the pressing plate (4), and the detection area is distributed in the airtight space.
2. A multi-channel tightness testing device according to claim 1, characterized in that a glass testing section is provided in the airtight connector testing piece (12), the glass testing section is fitted at the passage opening of the testing channel (3), and a second sealing ring (11) is provided between the glass testing section and the passage opening of the testing channel (3).
3. A multi-channel tightness testing device according to claim 1, characterized in that a mandrel (14) is assembled on the base (2), the pressing plate (4) is pressed on the mandrel (14), and a first sealing ring (10) is arranged between the mandrel (14) and the base (2).
4. A multi-channel tightness testing device according to claim 1, characterized in that the end surface of the upper gland (5) is provided with a groove, the area of the groove is larger than the area of the detection area on the pressure plate (4), and the depth of the groove is larger than the height of the airtight connector test piece (12) assembled in the testing channel (3).
5. A multi-channel airtightness testing apparatus according to claim 1, wherein the side wall of the upper gland (5) is provided with an air supply hole for supplying helium gas into the closed space.
6. A multi-channel tightness testing device according to claim 1, characterized in that said upper gland (5) is arranged flush with the contact surface of the pressure plate (4).
7. The multi-channel airtightness testing device according to claim 1, wherein a controller is arranged in the electromagnetic control element (7), an input end of the controller is connected with the signal input module, an output end of the controller is connected with the driving module and the alarm module, an input end of the signal input module is connected with the helium gas detection sensor, output ends of the driving module are respectively connected with the vacuum pump and the air cylinder (6), and an output end of the alarm module is connected with the alarm.
8. The multi-channel airtightness testing apparatus according to claim 7, wherein the output end of the controller is further connected to a human-computer interaction module, and the output end of the human-computer interaction module is connected to a data display panel for displaying the detection data of the helium gas detection sensor.
9. A multi-channel tightness test device according to claim 1, characterized in that a communication (9) is provided between the base (2) and the helium mass spectrometer leak detector (1).
10. A multi-channel tightness testing device according to claim 1, characterized in that the base (2), the pressure plate (4) and the upper gland (5) are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222505148.3U CN218211812U (en) | 2022-09-21 | 2022-09-21 | Multi-channel air tightness testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222505148.3U CN218211812U (en) | 2022-09-21 | 2022-09-21 | Multi-channel air tightness testing device |
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| Publication Number | Publication Date |
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| CN218211812U true CN218211812U (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222505148.3U Active CN218211812U (en) | 2022-09-21 | 2022-09-21 | Multi-channel air tightness testing device |
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| CN (1) | CN218211812U (en) |
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- 2022-09-21 CN CN202222505148.3U patent/CN218211812U/en active Active
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