CN114441119A - Performance detection device and detection method of airtight cable for cell operation station - Google Patents
Performance detection device and detection method of airtight cable for cell operation station Download PDFInfo
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- CN114441119A CN114441119A CN202210055872.2A CN202210055872A CN114441119A CN 114441119 A CN114441119 A CN 114441119A CN 202210055872 A CN202210055872 A CN 202210055872A CN 114441119 A CN114441119 A CN 114441119A
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- sealing ring
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- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 58
- 238000000034 method Methods 0.000 claims description 6
- 239000000565 sealant Substances 0.000 claims description 3
- 241000700605 Viruses Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating 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
- G01M3/28—Investigating 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 for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2838—Investigating 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 for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for cables
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- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention provides a performance detection device and a detection method of an airtight cable for a cell operation station. The cable airtight detection device comprises a box body, an air inlet electromagnetic valve, a sealing ring inflation electromagnetic valve, a pressure sensor, a controller, an annular inflation sealing ring and an air pump, wherein the annular inflation sealing ring is arranged on the box body, the air pump is connected with the air inlet electromagnetic valve and the sealing ring inflation electromagnetic valve, the pressure sensor is arranged on the box body and is used for detecting the pressure in the box body, the air inlet electromagnetic valve is connected with the box body, the sealing ring inflation electromagnetic valve is connected with the annular inflation sealing ring, and after a detected cable passes through the annular inflation sealing ring, the cable airtight detection is started. The invention can ensure that the air tightness of the cable used on the cell operation station completely reaches the standard, and the air tightness of the whole cell operation station cannot be influenced by the air tightness problem of the cable.
Description
Technical Field
The invention relates to the technical field of cell modulation, in particular to a performance detection device and a detection method of an airtight cable for a cell operation station.
Background
Cell manipulation stations are intelligent systems for cell modulation and virus analysis. The cell operation station requires full sealing during operation and the hour leakage rate RH/H-1≤5×10-5Therefore, the leakage amount to the inner and outer docking cables used in the cell workstation is 0. If the leakage amount of the cable is not detected, the leakage amount of the cable is only detected by the cell operation station, and great workload and difficulty are brought to the detection of the leakage point.
Disclosure of Invention
In view of the above-mentioned problems, the present invention provides an apparatus and a method for detecting the performance of an airtight cable for a cell manipulation station, which can detect the airtightness of the cable before use. After the air tightness of the cable is ensured to meet the requirement, the cable can be used on equipment. The requirement of the whole air tightness of the cell operation station is guaranteed to reach the standard. The technical means adopted by the invention are as follows:
the utility model provides a cell is performance detection device of airtight cable for operation station, includes box, air inlet solenoid valve, sealing washer inflatable solenoid valve, pressure sensor, controller, annular inflatable seal circle and air pump, set up on the box annular inflatable seal circle, the air pump with air inlet solenoid valve and sealing washer inflatable solenoid valve link to each other, pressure sensor installs on the box, and it is used for detecting the pressure in the box, air inlet solenoid valve is connected with the box, sealing washer inflatable solenoid valve links to each other with annular inflatable seal circle, and the examined cable passes behind the annular inflatable seal circle, begin to carry out airtight detection to the cable.
Furthermore, the annular inflatable sealing ring is connected with the box body and is tightly fixed by adopting a sealant.
Further, the front side and the rear side of the annular inflatable sealing ring are provided with holes for cables to pass through, the left side and the right side of the annular inflatable sealing ring are of multi-layer folding inflatable sealing structures, certain intervals can exist between the annular inflatable sealing ring and the cables in an uninflated state, and the annular inflatable sealing ring is close to the outer wall of the cables in an inflated state.
The invention also discloses a performance detection method of the airtight cable for the cell operation station, which comprises the following steps:
step 1, placing a cable in a mounting hole of an annular inflatable sealing ring, controlling an air pump to operate by a system starting controller, and starting an inflatable electromagnetic valve of the sealing ring; compressed air enters the annular inflatable sealing ring, and the annular inflatable sealing ring expands to form tight sealing with the front part of the detected cable;
step 2, closing the sealing ring inflation solenoid valve, opening the inflation solenoid valve, and allowing compressed air to enter the box body;
step 3, detecting the pressure in the tank by a pressure sensor, closing an air charging electromagnetic valve when the pressure in the tank exceeds a preset value, and then closing an air pump;
and 4, after the pressure in the box is stable, recording the current pressure value in the box by the controller, and comparing the pressure value with a preset value to judge whether the air tightness of the cable is qualified or not.
Further, in the step 3, a pressure sensor detects the pressure in the tank, when the pressure PV in the tank is larger than or equal to 600Pa, the inflation solenoid valve is closed, and the air pump is closed after delaying for 3-5 seconds.
Further, in the step 4, after delaying for 30-60 seconds and after the pressure in the tank is stabilized, the controller records the current pressure value PV in the tank1Requiring PV1The value is more than or equal to 500Pa, when PV1When the value is more than or equal to 500Pa, judging that the cable is airtight and qualified, and when the PV is1Value of<And when the pressure is 500Pa, determining that the cable is airtight and unqualified.
Further, after the step 4 meets the requirement, the method also comprises the step 5: after delaying for 15-20 minutes, recording the current pressure value PV in the tank2When PV1-PV2When the pressure is less than or equal to 2Pa, the cable is judged to be airtight and qualified, and when the pressure is less than or equal to PV1-PV2>And when the pressure is 2Pa, determining that the cable is airtight and unqualified.
The invention can ensure that the air tightness of the cable used on the cell operation station completely reaches the standard, and the air tightness of the whole cell operation station cannot be influenced by the air tightness problem of the cable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a performance testing apparatus for airtight cables for cell manipulation stations according to the present invention;
FIG. 2 is a schematic view of the deflated state of the inflatable sealing ring according to the present invention;
fig. 3 is a schematic view of the inflation state of the inflatable sealing ring of the present invention.
In the figure: 1. a box body; 2. an air inlet solenoid valve; 3. a sealing ring inflation electromagnetic valve; 4. a pressure sensor; 5. a controller; 6. an annular inflatable seal ring; 7. an air pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
As shown in fig. 1 to 3, the embodiment of the invention discloses a performance detection device for an airtight cable for a cell operation station, which comprises a box body 1, an air inlet electromagnetic valve 2, a sealing ring inflation electromagnetic valve 3, a pressure sensor 4, a controller 5, an annular inflation sealing ring 6 and an air pump 7, wherein the box body is provided with the annular inflation sealing ring, the air pump is connected with the air inlet electromagnetic valve and the sealing ring inflation electromagnetic valve, the pressure sensor is installed on the box body and used for detecting the pressure in the box body, the air inlet electromagnetic valve is connected with the box body, the sealing ring inflation electromagnetic valve is connected with the annular inflation sealing ring, and the airtight detection of the cable is started after the detected cable passes through the annular inflation sealing ring. The controller collects the information fed back by the pressure sensor and controls the air pump, the air inlet electromagnetic valve and the switch of the sealing ring inflation electromagnetic valve
The annular inflatable sealing ring is connected with the box body and is tightly fixed by sealant.
The side is equipped with the hole that supplies the cable to pass around annular inflatable seal circle, annular inflatable seal circle's left and right sides is multilayer folding inflatable seal structure, and it can exist certain interval with the cable under the uninflated state, is close to the outer wall in the cable under the inflated state. The multilayer folding structure can ensure the expansion in a larger range and can meet the detection of cables with different specifications.
The invention also discloses a performance detection method of the airtight cable for the cell operation station, which comprises the following steps:
step 1, placing a cable in a mounting hole of an annular inflatable sealing ring, controlling an air pump to operate by a system starting controller, and starting an inflatable electromagnetic valve of the sealing ring; compressed air enters the annular inflatable sealing ring, and the annular inflatable sealing ring expands to form tight sealing with the front part of the detected cable;
step 2, closing the sealing ring inflation solenoid valve, opening the inflation solenoid valve, and allowing compressed air to enter the box body;
step 3, detecting the pressure in the tank by a pressure sensor, closing an air charging electromagnetic valve when the pressure in the tank exceeds a preset value, and then closing an air pump;
and 4, after the pressure in the box is stable, recording the current pressure value in the box by the controller, and comparing the pressure value with a preset value to judge whether the air tightness of the cable is qualified or not.
In the step 3, the pressure sensor detects the pressure in the tank, when the pressure PV in the tank is more than or equal to 600Pa, the inflation solenoid valve is closed, and the air pump is closed after 3-5 seconds of delay.
In the step 4, after delaying for 30-60 seconds and after the pressure in the tank is stable, the controller records the current pressure value PV in the tank1Requiring PV1The value is more than or equal to 500Pa, when PV1When the value is more than or equal to 500Pa, judging that the cable is airtight and qualified, and when the PV is1Value of<And when the pressure is 500Pa, determining that the cable is airtight and unqualified.
After the step 4 meets the requirement, the method further comprises the step 5: after delaying for 15-20 minutes, recording the current pressure value PV in the tank2When PV1-PV2When the pressure is less than or equal to 2Pa, the cable is judged to be airtight and qualified, and when the pressure is less than or equal to PV1-PV2>And when the pressure is 2Pa, determining that the cable is airtight and unqualified.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a cell is performance detection device of airtight cable for operation station, its characterized in that, includes box, air inlet solenoid valve, sealing washer inflation solenoid valve, pressure sensor, controller, annular inflation sealing washer and air pump, set up on the box annular inflation sealing washer, the air pump with air inlet solenoid valve and sealing washer inflation solenoid valve link to each other, pressure sensor installs on the box, and it is used for detecting the pressure in the box, air inlet solenoid valve is connected with the box, sealing washer inflation solenoid valve links to each other with annular inflation sealing washer, and the cable of being examined passes behind the annular inflation sealing washer, begin to carry out airtight detection to the cable.
2. The apparatus of claim 1, wherein the annular inflatable sealing ring is tightly fixed to the housing by a sealant.
3. The apparatus for detecting the performance of an airtight cable for a cell manipulation station according to claim 1 or 2, wherein the front and rear sides of the annular inflatable sealing ring are provided with holes for passing the cable therethrough, and the left and right sides of the annular inflatable sealing ring are multi-layer folded inflatable sealing structures which can be spaced apart from the cable in an uninflated state and close to the outer wall of the cable in an inflated state.
4. A performance detection method of an airtight cable for a cell operation station is characterized by comprising the following steps:
step 1, placing a cable in a mounting hole of an annular inflatable sealing ring, controlling an air pump to operate by a system starting controller, and starting an inflatable electromagnetic valve of the sealing ring; compressed air enters the annular inflatable sealing ring, and the annular inflatable sealing ring expands to form tight sealing with the front part of the detected cable;
step 2, closing the sealing ring inflation solenoid valve, opening the inflation solenoid valve, and allowing compressed air to enter the box body;
step 3, detecting the pressure in the tank by a pressure sensor, closing an air charging electromagnetic valve when the pressure in the tank exceeds a preset value, and then closing an air pump;
and 4, after the pressure in the box is stable, recording the current pressure value in the box by the controller, and comparing the pressure value with a preset value to judge whether the air tightness of the cable is qualified or not.
5. The method for detecting the performance of the airtight cable for cell manipulation station according to claim 4, wherein in step 3, the pressure sensor detects the pressure in the chamber, when the pressure in the chamber PV is greater than or equal to 600Pa, the air-filling solenoid valve is closed, and the air pump is closed after a delay of 3-5 seconds.
6. The method for detecting the performance of the airtight cable for cell manipulation station according to claim 4, wherein in step 4, after the delay time of 30-60 seconds and the in-box pressure is stabilized, the controller records the current in-box pressure value PV1Requiring PV1The value is more than or equal to 500Pa, when PV1When the value is more than or equal to 500Pa, judging that the cable is airtight and qualified, and when the PV is1Value of<And when the pressure is 500Pa, determining that the cable is airtight and unqualified.
7. The method for detecting the performance of the airtight cable for cell manipulation station according to claim 4 or 6, wherein said step 4 further comprises the step 5: after delaying for 15-20 minutes, recording the current pressure value PV in the tank2When PV1-PV2When the pressure is less than or equal to 2Pa, the cable is judged to be airtight and qualified, and when the pressure is less than or equal to PV1-PV2>And when the pressure is 2Pa, determining that the cable is airtight and unqualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210055872.2A CN114441119B (en) | 2022-01-18 | 2022-01-18 | Performance detection device and detection method for airtight cable for cell operation station |
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| CN202210055872.2A CN114441119B (en) | 2022-01-18 | 2022-01-18 | Performance detection device and detection method for airtight cable for cell operation station |
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| CN114441119B CN114441119B (en) | 2024-02-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993580A (en) * | 2022-08-01 | 2022-09-02 | 深圳赛桥生物创新技术有限公司 | Consumable installation detection method, device and system and storage medium |
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| CN213301604U (en) * | 2020-11-17 | 2021-05-28 | 苏州纳格检测科技有限公司 | Cable waterproof performance testing device |
| CN213688949U (en) * | 2021-01-07 | 2021-07-13 | 杨恺悦 | Vacuum generator performance testing device |
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2022
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| WO1993023729A1 (en) * | 1992-05-12 | 1993-11-25 | Andrew Karl Dufresne | Pipe testing and locating apparatus |
| CN105675231A (en) * | 2016-02-22 | 2016-06-15 | 中航光电科技股份有限公司 | Negative pressure sealing detection device |
| CN206420808U (en) * | 2017-02-08 | 2017-08-18 | 无锡工艺职业技术学院 | A kind of cable coat of paint damage detection device |
| CN109141776A (en) * | 2018-09-20 | 2019-01-04 | 安徽理士电源技术有限公司 | A kind of big lid air-tightness detection device of lead-acid accumulator |
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| CN111089690A (en) * | 2020-03-05 | 2020-05-01 | 成都欧赛医疗器械有限公司 | Device and method for testing air tightness of tubular medical instrument |
| CN212321010U (en) * | 2020-06-18 | 2021-01-08 | 陕西中秦电力设备制造有限公司 | Device for detecting gas tightness of butt welding seam of conductive pipe for extra-high voltage direct current transmission |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114993580A (en) * | 2022-08-01 | 2022-09-02 | 深圳赛桥生物创新技术有限公司 | Consumable installation detection method, device and system and storage medium |
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| CN114441119B (en) | 2024-02-06 |
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