CN111947865A - Low-pressure sealing test module integrated device - Google Patents
Low-pressure sealing test module integrated device Download PDFInfo
- Publication number
- CN111947865A CN111947865A CN202010806607.4A CN202010806607A CN111947865A CN 111947865 A CN111947865 A CN 111947865A CN 202010806607 A CN202010806607 A CN 202010806607A CN 111947865 A CN111947865 A CN 111947865A
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- test chamber
- vacuum pump
- test
- low
- air duct
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- 238000012360 testing method Methods 0.000 title claims abstract description 85
- 238000007789 sealing Methods 0.000 title abstract description 11
- 210000001503 joint Anatomy 0.000 claims abstract description 10
- 239000000945 filler Substances 0.000 claims description 15
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 claims description 15
- 239000004639 urea-formaldehyde foam Substances 0.000 claims description 15
- 239000004964 aerogel Substances 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 9
- 230000010354 integration Effects 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- G01M3/32—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 containers, e.g. radiators
- G01M3/34—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 containers, e.g. radiators by testing the possibility of maintaining the vacuum in containers, e.g. in can-testing machines
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a low-pressure sealing test module integration device which comprises a test chamber, wherein two supports are symmetrically arranged on the lower surface of the test chamber, an air guide pipe I is arranged on the surface of one side of the test chamber, the end part of the air guide pipe I is connected with a low-pressure portable vacuum pump, a vacuum pump switch is arranged on the low-pressure portable vacuum pump, the input end of the low-pressure portable vacuum pump is electrically connected with the output end of the vacuum pump switch, and the input end of the vacuum pump switch is electrically connected with the output end of an external. The low-pressure sealing test module integration device adopts a modularized integration design, is easy to replace damaged parts, is convenient for checking sudden problem points in the test process, is simple to operate, ensures normal working progress, improves working efficiency, has small volume, light weight and convenient movement, has universality, is high in butt joint efficiency with a test piece, is wide in test range, and can meet various low-pressure test requirements below 1 mpa; the operation process is simple, and is convenient for workers to master.
Description
Technical Field
The invention relates to the technical field of detection devices, in particular to a low-pressure sealing test module integrated device.
Background
Along with the implementation of the characteristic field development strategy of the crane in our company in recent years, the crane is further strengthened according to the customization of the industry and the function differentiation manufacturing, so higher requirements are put forward for our inspection means and inspection system, and in the sealing test of the rotary transmission device of the nuclear power crane, the telescopic device of the nonferrous metal electrolytic crane, the oil tank of the outdoor wharf crane and other parts, the existing sealing test device is found to be designed as an integral type, the parts are difficult to replace after being damaged, the operation is troublesome, the normal working progress is influenced, the size and the weight are larger, the movement is inconvenient, meanwhile, the universality is not possessed, the inspection range is small, and the butt joint efficiency with the inspected part is low.
Disclosure of Invention
The invention aims to overcome the existing defects and provides a low-pressure sealing test module integration device, which adopts a modularized integration design, is easy to replace damaged parts, is convenient for checking sudden problem points in the test process, is simple to operate, ensures normal working progress, improves working efficiency, has small volume, light weight and wide test range, is convenient to move, has universality, is high in butt joint efficiency with a test piece, and can meet various low-pressure test requirements below mpa; the operation process is simple, is convenient for workers to master, and can effectively solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a sealed experimental module integrated device of low pressure, includes the test chamber, the lower surface symmetry of test chamber is provided with two supports, one side surface mounting of test chamber has air duct I, and the end connection of air duct I has portable vacuum pump of low pressure, has the vacuum pump switch on the portable vacuum pump of low pressure, and the input of portable vacuum pump of low pressure is connected with the output electricity of vacuum pump switch, and the input of vacuum pump switch is connected with external power source's output electricity, and is close to test chamber department on the air duct I and installs the valve, the opposite side surface mounting of test chamber has air duct III, and the end connection of air duct III has butt joint flange dish, the outside surface of test chamber is provided with.
As a preferable technical scheme of the invention, the valve is a needle valve.
As a preferred technical scheme of the invention, the detection mechanism comprises a temperature transmitter and a U-shaped pressure gauge which are arranged on the outer side surface of the test chamber, the detection end of the temperature transmitter penetrates into the test chamber, the U-shaped pressure gauge is communicated with the interior of the test chamber through a gas guiding pipe II, a temperature meter is arranged on the outer side surface of the test chamber, the input end of the temperature meter is electrically connected with the output end of the temperature transmitter, and the input end of the temperature transmitter and the input end of the temperature meter are electrically connected with the output end of an external power supply.
As a preferred technical scheme of the invention, the air duct I, the air duct II and the air duct III are all flexible pipes.
In a preferred embodiment of the present invention, the U-shaped pressure gauge is fixed to an outer surface of the test chamber by a rivet.
As a preferable technical scheme, the test chamber comprises an inner wall and an outer wall, wherein a heat reflection layer is arranged on the inner side surface of the inner wall, a urea-formaldehyde foam filler layer is arranged on the outer side surface of the inner wall, an aerogel nano thermal insulation board is arranged on the outer side of the urea-formaldehyde foam filler layer, and the aerogel nano thermal insulation board is arranged on the inner side surface of the outer wall.
As a preferred technical scheme of the invention, a vacuum layer is arranged between the aerogel nanometer thermal insulation board and the urea-formaldehyde foam filler layer, and supporting bars for supporting the aerogel nanometer thermal insulation board and the urea-formaldehyde foam filler layer are uniformly filled in the vacuum layer.
Compared with the prior art, the invention has the beneficial effects that: the low-pressure sealing test module integration device disclosed by the invention adopts a modular integration design, is easy to replace damaged parts, is convenient for checking sudden problem points in the test process, is simple to operate, ensures normal working progress, improves working efficiency, has small volume, light weight and wide test range, is convenient to move, has universality, is high in butt joint efficiency with a test piece, and can meet various low-pressure test requirements below 1 mpa; the operation process is simple, and is convenient for workers to master.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention.
In the figure: 1 portable vacuum pump of low pressure, 2 air duct I, 3 valves, 4 temperature transmitters, 5 air duct II, 6U type pressure gauges, 7 degrees centigrade thermometer, 8 test chamber, 81 inner wall, 82 outer wall, 83 heat reflection layer, 84 urea formaldehyde foam filler layer, 85 aerogel nanometer heat insulating board, 86 vacuum layers, 87 support bars, 9 air duct III, 10 butt joint ring flange, 11 supports.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-2, the present invention provides a technical solution: a low-pressure sealing test module integrated device comprises a test chamber 8, two brackets 11 are symmetrically arranged on the lower surface of the test chamber 8, an air duct I2 is arranged on the surface of one side of the test chamber 8, the end part of the air duct I2 is connected with a low-pressure portable vacuum pump 1, a vacuum pump switch is arranged on the low-pressure portable vacuum pump 1, the input end of the low-pressure portable vacuum pump 1 is electrically connected with the output end of the vacuum pump switch, the input end of the vacuum pump switch is electrically connected with the output end of an external power supply, a valve 3 is arranged on the air duct I2 and close to the test chamber 8, the valve 3 is a needle valve, an air duct III 9 is arranged on the surface of the other side of the test chamber 8, the end part of the air duct III 9 is connected with a butt joint flange plate 10, a detection mechanism is arranged, the device is convenient to check sudden problem points in the test process, simple to operate, capable of guaranteeing normal working progress and improving working efficiency, small in size, light in weight, convenient to move, universal, high in butt joint efficiency with a test piece, wide in test range and capable of meeting various low-pressure test requirements below 1 mpa; the operation process is simple, and is convenient for workers to master.
The detection mechanism comprises a temperature transmitter 4 and a U-shaped pressure gauge 6 which are arranged on the outer side surface of a test chamber 8, the U-shaped pressure gauge 6 is fixedly arranged on the outer side surface of the test chamber 8 through a rivet, the detection end of the temperature transmitter 4 penetrates into the test chamber 8, the U-shaped pressure gauge 6 is communicated with the interior of the test chamber 8 through a gas guiding pipe II 5, a temperature meter 7 is arranged on the outer side surface of the test chamber 8, the input end of the temperature meter 7 is electrically connected with the output end of the temperature transmitter 4, the input end of the temperature transmitter 4 and the input end of the temperature meter 7 are both electrically connected with the output end of an external power supply,
air duct I2, air duct II 5 and air duct III 9 are the hose, have improved the commonality, and it is efficient to dock with the test piece.
Test chamber 8 includes inner wall 81 and outer wall 82, the inboard surface of inner wall 81 is provided with heat reflection layer 83, heat reflection layer 81 is the metal reflection stratum, and preferably is the tin reflection stratum, can reflect the heat in test chamber 8, reduce the heat exchange, the outside surface of inner wall 81 is provided with urea-formaldehyde foam filler layer 84, urea-formaldehyde foam filler layer 84's the outside is provided with aerogel nanometer heat insulating board 85, aerogel nanometer heat insulating board 85 sets up the inboard surface at outer wall 82, through urea-formaldehyde foam filler layer 84 and aerogel nanometer heat insulating board 85's the thermal-insulated effect that keeps warm, the constant temperature state in test chamber 8 has been guaranteed, experimental accuracy has been improved.
Be provided with vacuum layer 86 between aerogel nanometer heat insulating board 85 and the urea formaldehyde foam filler layer 84, and evenly filled has the support bar 87 that is used for supporting aerogel nanometer heat insulating board 85 and urea formaldehyde foam filler layer 84 in the vacuum layer 86, and urea formaldehyde foam filler layer 84's the outside is provided with corresponding backup pad, and support bar 87 sets up at backup pad outside surface, can further improve heat preservation and heat insulation performance through vacuum layer 86, has improved experimental accuracy nature greatly.
When in use:
the method comprises the following steps that a low-pressure portable vacuum pump 1 is reliably connected with a test chamber 8 through an air duct I2 and a valve 3, then a local sealed space is formed after the low-pressure portable vacuum pump is connected with a workpiece to be detected through a butt joint flange plate 10, a power supply is switched on, a vacuum pump switch is operated, the low-pressure portable vacuum pump 1 is opened and the valve 3 is opened, the low-pressure portable vacuum pump 1 starts to work, the test chamber 8 is vacuumized and subjected to negative pressure through the air duct I2, a U-shaped pressure gauge 6 detects a pressure value inside the test chamber 8 through an air duct II 5, a worker observes the U-shaped pressure gauge 6, the low-pressure portable vacuum pump 1 is closed after the pressure value inside the test chamber 8;
in the test process, the temperature transmitter 4 detects the temperature in the test chamber 8 and displays the temperature value on the temperature meter 7 for evaluating whether the test environment influences the test result, and a worker respectively observes the change conditions of the pressure and the temperature in the pressure maintaining environment through the U-shaped pressure gauge 6 and the temperature meter 7 and takes the value as the test data index of the sealing test.
The parts which are not disclosed in the invention are all the prior art, and the specific structure, the materials and the working principle are not detailed. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A low-pressure seal test module integrated device comprises a test chamber (8), and is characterized in that: the lower surface symmetry of test chamber (8) is provided with two supports (11), one side surface mounting of test chamber (8) has air duct I (2), and the end connection of air duct I (2) has portable vacuum pump of low pressure (1), has the vacuum pump switch on portable vacuum pump of low pressure (1), and the input of portable vacuum pump of low pressure (1) is connected with the output electricity of vacuum pump switch, and the input of vacuum pump switch is connected with external power source's output electricity, and is close to test chamber (8) department on air duct I (2) and installs valve (3), air duct III (9) are installed to the opposite side surface of test chamber (8), and the end connection of air duct III (9) has butt joint ring flange (10), the outside surface of test chamber (8) is provided with detection mechanism.
2. The low pressure seal test module integrated device of claim 1, wherein: the valve (3) is a needle valve.
3. The low pressure seal test module integrated device of claim 1, wherein: detection mechanism penetrates the inside of test chamber (8) including installing temperature transmitter (4) and U type pressure gauge (6) on test chamber (8) outside surface, detection end of temperature transmitter (4), U type pressure gauge (6) are through leading the inside intercommunication of air pipe II (5) and test chamber (8), the outside surface mounting of test chamber (8) has temperature meter (7), and the input of temperature meter (7) is connected with the output electricity of temperature transmitter (4), the input of temperature transmitter (4) and the input of temperature meter (7) all are connected with external power source's output electricity.
4. The low pressure seal test module integrated device of claim 3, wherein: the air duct I (2), the air duct II (5) and the air duct III (9) are hoses.
5. The low pressure seal test module integrated device of claim 3, wherein: the U-shaped pressure gauge (6) is fixedly arranged on the outer side surface of the test chamber (8) through a rivet.
6. The low pressure seal test module integrated device of claim 1, wherein: the test chamber (8) comprises an inner wall (81) and an outer wall (82), a heat reflection layer (83) is arranged on the inner side surface of the inner wall (81), a urea-formaldehyde foam filler layer (84) is arranged on the outer side surface of the inner wall (81), an aerogel nano heat insulation plate (85) is arranged on the outer side of the urea-formaldehyde foam filler layer (84), and the aerogel nano heat insulation plate (85) is arranged on the inner side surface of the outer wall (82).
7. The low pressure seal test module integrated device of claim 6, wherein: a vacuum layer (86) is arranged between the aerogel nanometer thermal insulation board (85) and the urea-formaldehyde foam filler layer (84), and supporting bars (87) used for supporting the aerogel nanometer thermal insulation board (85) and the urea-formaldehyde foam filler layer (84) are uniformly filled in the vacuum layer (86).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010806607.4A CN111947865A (en) | 2020-08-12 | 2020-08-12 | Low-pressure sealing test module integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010806607.4A CN111947865A (en) | 2020-08-12 | 2020-08-12 | Low-pressure sealing test module integrated device |
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| Publication Number | Publication Date |
|---|---|
| CN111947865A true CN111947865A (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010806607.4A Pending CN111947865A (en) | 2020-08-12 | 2020-08-12 | Low-pressure sealing test module integrated device |
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| CN (1) | CN111947865A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11304633A (en) * | 1998-04-21 | 1999-11-05 | Matsushita Electric Works Ltd | Air-leak detecting apparatus |
| CN201421391Y (en) * | 2009-05-13 | 2010-03-10 | 中船澄西船舶修造有限公司 | Oil-wheel breather valve test stand |
| CN108451288A (en) * | 2018-03-29 | 2018-08-28 | 何韵苗 | A kind of thermal insulation cup |
| CN109000088A (en) * | 2018-08-22 | 2018-12-14 | 华北水利水电大学 | A kind of utilidor structure for long range heat supply |
| CN208296291U (en) * | 2018-04-14 | 2018-12-28 | 佛山市多姆热能技术有限公司 | A kind of wall hanging stove water heater of easy access |
| CN208588520U (en) * | 2018-07-06 | 2019-03-08 | 湖南省翔宇工程有限公司 | A kind of air-tightness detection device for building |
| CN109520681A (en) * | 2018-12-03 | 2019-03-26 | 北京海德利森科技有限公司 | A kind of adjustable leak rate calibration system of multimedium leak rate |
| CN109883618A (en) * | 2019-04-16 | 2019-06-14 | 中国五冶集团有限公司 | Groove tank bottom plate leak test vacuum box structure and test method |
-
2020
- 2020-08-12 CN CN202010806607.4A patent/CN111947865A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11304633A (en) * | 1998-04-21 | 1999-11-05 | Matsushita Electric Works Ltd | Air-leak detecting apparatus |
| CN201421391Y (en) * | 2009-05-13 | 2010-03-10 | 中船澄西船舶修造有限公司 | Oil-wheel breather valve test stand |
| CN108451288A (en) * | 2018-03-29 | 2018-08-28 | 何韵苗 | A kind of thermal insulation cup |
| CN208296291U (en) * | 2018-04-14 | 2018-12-28 | 佛山市多姆热能技术有限公司 | A kind of wall hanging stove water heater of easy access |
| CN208588520U (en) * | 2018-07-06 | 2019-03-08 | 湖南省翔宇工程有限公司 | A kind of air-tightness detection device for building |
| CN109000088A (en) * | 2018-08-22 | 2018-12-14 | 华北水利水电大学 | A kind of utilidor structure for long range heat supply |
| CN109520681A (en) * | 2018-12-03 | 2019-03-26 | 北京海德利森科技有限公司 | A kind of adjustable leak rate calibration system of multimedium leak rate |
| CN109883618A (en) * | 2019-04-16 | 2019-06-14 | 中国五冶集团有限公司 | Groove tank bottom plate leak test vacuum box structure and test method |
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Application publication date: 20201117 |