CN104819812A - Glass fiber reinforced plastic septic tank airtightness detection method - Google Patents
Glass fiber reinforced plastic septic tank airtightness detection method Download PDFInfo
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Abstract
The invention discloses a glass fiber reinforced plastic septic tank airtightness detection method. One end of a water column pipe with scales is vertically fixed in an enclosed water tank to form a water column instrument, the water column instrument, an air pump and a glass fiber reinforced plastic septic tank are connected, the airtightness of the glass fiber reinforced plastic septic tank is detected through an air differential pressure method, the inner wall of the water column pipe is provided with a water level sensor connected with a digital display meter, and the digital display meter is connected with a data collector. Values on the digital display meter are acquired every first preset time, the absolute values of differences between the values and a first preset water level value are first real-time water level deviation, a first accumulated water level deviation is defined as an average value of i first real-time water level deviations within i first preset time, when the first accumulated water level deviation is within a predefined first threshold value, it is determined that the glass fiber reinforced plastic septic tank does not leak air, and otherwise, it is determined that the air is leaked. The glass fiber reinforced plastic septic tank airtightness detection method reduces the workload of examination personnel and improves the precision and the work efficiency.
Description
Technical field
The present invention relates to the air-tightness detection method of fibre glass product manufacture, be specifically related to a kind of glass toughening manure pit air-tightness detection method.
Background technology
Be generally used for the container class product of loading liquid, all need through leak detection before dispatching from the factory, conventional air-tightness detection method, generally there are bowssening, water flood, foam method, for the air-leakage test of the product of small volume, can inflate in rear immersion water tank and hunt leak, or product water flood is hunted leak or foam method leak detection, for the product that volume is larger and heavier, such as glass toughening manure pit adopts said method, then there is complex operation, waste water, the problem of inefficiency and precision difference.
Summary of the invention
An object of the present invention is to solve at least the problems referred to above and/or defect, and the advantage will illustrated at least is below provided.
An object of the present invention is the air-leakage test being carried out glass toughening manure pit by air pressure difference method, only need prepare simple water column instrument can complete air-leakage test, simple to operate, pollution-free to product to be detected.
A further object of the invention is by the water level digitizing of water column instrument, in the time period after relatively air pump maintains water column pipe pressure, relative to the accumulative water level deviation of initial value, water column pipe water level judges whether glass toughening manure pit leaks gas, decrease the workload of reviewer, improve precision and work efficiency.
In order to realize, according to these objects of the present invention and other advantage, providing a kind of glass toughening manure pit air-tightness detection method, comprise the following steps:
Step one, one end of water column pipe with a scale is vertically fixed in closed water tank forms water column instrument, described water tank and water column pipe junction seal, and water tank intracontour waterflooding amount is the 1/3-2/3 of its volume, water fluid-tight in one end water tank of described water column pipe, water column instrument is communicated with by the air pump of the first sebific duct with band the first air valve, described water column inside pipe wall is provided with the level sensor connecting digital display meter, and described digital display meter connects a data acquisition unit;
One of them import of glass toughening manure pit closed by step 2, the hush panel adopting band detection to take over and fluid sealant, special-purpose sealing plate and fluid sealant is adopted to close other imports of glass toughening manure pit, described one end detecting adapter is communicated with the inside of described glass toughening manure pit, the other end is communicated with the first sebific duct by the second sebific duct, and described detection between the other end of adapter and the second sebific duct is provided with the second air valve;
Step 3, open the first air valve, second air valve and air pump, when numerical value on digital display meter on water column instrument reaches the first preset water level value, close the first air valve and air pump, be the first Real-time Water place value at interval of the water level value on the first Preset Time collection digital display meter, first real time water level deviation is the absolute value of the difference of the first Real-time Water place value and described first preset water level value, the accumulative water level deviation of definition first is the mean value of i the first real time water level deviation in i the first Preset Time, when the first accumulative water level deviation is positioned at predefined first boundary value, then judge that glass toughening manure pit is air tight, otherwise, then judge that it leaks gas.
Preferably, described glass toughening manure pit air-tightness detection method, the impermeability of water column instrument was detected before described step 3, open the first air valve and air pump, close the second air valve, when the numerical value of the digital display meter on water column instrument reaches the second preset water level value, close the first air valve and air pump, be the second Real-time Water place value at interval of the water level value on the second Preset Time collection digital display meter, second real time water level deviation is the absolute value of the difference of the second Real-time Water place value and described second preset water level value, the accumulative water level deviation of definition second is the mean value of j the second real time water level deviation in j the second Preset Time, when the second accumulative water level deviation is positioned at predefined second boundary value, then judge that water column instrument is air tight, enter step 3, otherwise, then judge that water column instrument leaks gas, change water column instrument and enter step 3 when extremely detection water column instrument is air tight.
Preferably, described glass toughening manure pit air-tightness detection method, described air pump is inflator pump, and the top of described water tank is provided with air admission hole, described inflator pump is communicated with described air admission hole by the first sebific duct, and one end that described water column Guan Weiyu water tank is fixed is communicated with air.
Preferably, described glass toughening manure pit air-tightness detection method, described air pump is vacuum pump, and described vacuum pump is communicated with the other end of described water column pipe by the first sebific duct.
Preferably, described glass toughening manure pit air-tightness detection method, described digital display meter is also connected with warning device, and it is set to, and sends the first warning when the described first accumulative water level deviation is greater than predefined first boundary value; The second warning is sent when the described second accumulative water level deviation is greater than predefined second boundary value.
Preferably, described glass toughening manure pit air-tightness detection method, the volume of described water tank is 6-9L.
Preferably, described glass toughening manure pit air-tightness detection method, described first preset water level value is 1000mm, and the first Preset Time is 10-20s, i is 30-60, and described first boundary value is 0-20mm.
Preferably, described glass toughening manure pit air-tightness detection method, described second preset water level value is 1000mm, and the second Preset Time is 10-20s, j is 20-30, and described second boundary value is 0-10mm.
The present invention has following beneficial effect:
The first, carried out the air-leakage test of glass toughening manure pit by air pressure difference method, only need prepare simple water column instrument can complete air-leakage test, simple to operate, pollution-free to product to be detected;
The second, by the water level digitizing of water column instrument, in the time period after relatively air pump maintains water column pipe pressure, relative to the accumulative water level deviation of initial value, water column pipe water level judges whether glass toughening manure pit leaks gas, compare conventional use manually to observe water level and whether change and carry out subjective judgement and whether leak gas, both improve precision and also improved work efficiency, decrease cost of labor simultaneously;
Three, first detect water column instrument whether to leak gas, can avoid causing false retrieval because of the gas leakage of water column instrument, improve the accuracy of air-leakage test, and a water column instrument repeatedly can use the impermeability measuring other glass toughening manure pits after inspection is air tight, improves work efficiency;
Four, adopt inflator pump or vacuum pump can carry out the air-leakage test of air pressure difference method, consumer can according to self-condition option and installment;
Five, by arranging warning device, the situation that reviewer's product can be reminded in time to leak gas, carries out real-time inspection;
Six, the volume of water tank affects the water level in water column pipe, and volume is excessive, operation inconvenience, and volume is too small, and water column pipe middle water level is too low, detects the problem that there is precision difference;
Preset water level is set as that 1000mm carries out air-leakage test by the volume seven, for glass toughening manure pit, pressurize detection time is 300-1200s, judge that it is air tight when allowing the first accumulative water level deviation to be positioned at 0-20, for the air-leakage test of water column instrument, for water column instrument small volume, pressurize detection time is 200-600s, judge that it is air tight when allowing the second accumulative water level deviation to be positioned at 0-10, the time that all products air tightness detect can be reduced, and automaticity is high, keep without the need to reviewer station.
Accompanying drawing explanation
Fig. 1 is the inflator pump aeration schematic diagram of glass toughening manure pit air-leakage test of the present invention;
Fig. 2 is the vacuum pump degassing method schematic diagram of glass toughening manure pit air-leakage test of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to instructions word to make those skilled in the art.
As shown in Figure 1, the invention provides a kind of glass toughening manure pit air-tightness detection method, adopt inflator pump aeration, the air-leakage test of glass toughening manure pit is carried out by air pressure difference method, only need prepare simple water column instrument can complete air-leakage test, simple to operate, pollution-free to product to be detected, comprise the following steps:
Step one, one end of water column pipe 112 with a scale is vertically fixed in closed water tank 111 and forms water column instrument 110, pipeline 130 is adopted to be communicated with glass toughening manure pit 160, inflator pump 140 and water column instrument 110, described water tank 111 seals with water column pipe 112 junction, and water tank 111 intracontour waterflooding amount is the 1/3-2/3 of its volume, water fluid-tight in one end water tank 111 of described water column pipe 112, the top of described water tank 111 is provided with air admission hole, it is communicated with by the inflator pump 140 of the first sebific duct 131 with band the first air valve 151, one end that described water column pipe 112 is not fixed with water tank 111 is communicated with air, described water column pipe 112 inwall is provided with the level sensor 121 connecting digital display meter 122, described digital display meter 122 connects a data acquisition unit 123, wherein, level sensor 121, digital display meter 122 and data acquisition unit 123 are combined into digital control system 120, by the water level digitizing of water column instrument, in the time period after relatively inflator pump inflation maintains water column pipe pressure, relative to the accumulative water level deviation of initial value, water column pipe water level judges whether glass toughening manure pit leaks gas, compare conventional use manually to observe water level and whether change and carry out subjective judgement and whether leak gas, both improve precision and also improve work efficiency, decrease cost of labor simultaneously,
One of them import of glass toughening manure pit 160 closed by the hush panel of step 2, employing band detection adapter 133 and fluid sealant, special-purpose sealing plate and fluid sealant is adopted to close other imports of glass toughening manure pit, one end of described detection adapter 133 is communicated with the inside of described glass toughening manure pit 160, the other end is communicated with the first sebific duct 131 by the second sebific duct 132, is provided with the second air valve 152 between the other end of described detection adapter 133 and the second sebific duct 132;
Step 3, glass toughening manure pit 160 is controlled by air valve 150, gas circulation between inflator pump 140 and water column instrument 110, open the first air valve 151, second air valve 152 and inflator pump 140, when numerical value on digital display meter 122 on water column instrument 100 reaches the first preset water level value, close the first air valve 151 and inflator pump 140, be the first Real-time Water place value at interval of the water level value on the first Preset Time collection digital display meter 122, first real time water level deviation is the absolute value of the difference of the first Real-time Water place value and described first preset water level value, the accumulative water level deviation of definition first is the mean value of i the first real time water level deviation in i the first Preset Time, when the first accumulative water level deviation is positioned at predefined first boundary value, then judge that glass toughening manure pit 160 is air tight, otherwise, then judge that it leaks gas.
Described glass toughening manure pit air-tightness detection method, the impermeability of water column instrument 110 was detected before described step 3, open the first air valve 151 and inflator pump 140, close the second air valve 152, when the numerical value of the digital display meter 122 on water column instrument 110 reaches the second preset water level value, close the first air valve 151 and inflator pump 140, be the second Real-time Water place value at interval of the water level value on the second Preset Time collection digital display meter 122, second real time water level deviation is the absolute value of the difference of the second Real-time Water place value and described second preset water level value, the accumulative water level deviation of definition second is the mean value of j the second real time water level deviation in j the second Preset Time, when the second accumulative water level deviation is positioned at predefined second boundary value, then judge that water column instrument is air tight, enter step 3, otherwise, then judge that water column instrument 110 leaks gas, replacing water column instrument 110 enters step 3 time air tight to detection water column instrument 110.First detect water column instrument whether to leak gas, can avoid causing false retrieval because of the gas leakage of water column instrument, improve the accuracy of air-leakage test, and a water column instrument repeatedly can use the impermeability measuring other glass toughening manure pits after inspection is air tight, improves work efficiency.
Described glass toughening manure pit air-tightness detection method, described digital display meter 122 is also connected with warning device, and it is set to, and sends the first warning when the described first accumulative water level deviation is greater than predefined first boundary value; The second warning is sent when the described second accumulative water level deviation is greater than predefined second boundary value.By arranging warning device, the situation that reviewer's product can be reminded in time to leak gas, carries out real-time inspection.
Described glass toughening manure pit air-tightness detection method, the volume of described water tank 111 is 6-9L.The volume of water tank affects the water level in water column pipe, and volume is excessive, operation inconvenience, and volume is too small, and water column pipe middle water level is too low, detects the problem that there is precision difference.
Described glass toughening manure pit air-tightness detection method, described first preset water level value is 1000mm, and the first Preset Time is 10-20s, i is 30-60, and described first boundary value is 0-20mm.
Described glass toughening manure pit air-tightness detection method, described second preset water level value is 1000mm, and the second Preset Time is 10-20s, j is 20-30, and described second boundary value is 0-10mm.
Preset water level is set as that 1000mm carries out air-leakage test by the volume for glass toughening manure pit, pressurize detection time is 300-1200s, judge that it is air tight when allowing the first accumulative water level deviation to be positioned at 0-20, for the air-leakage test of water column instrument, for water column instrument small volume, pressurize detection time is 200-600s, judge that it is air tight when allowing the second accumulative water level deviation to be positioned at 0-10, the time that all products air tightness detect can be reduced, and automaticity is high, keep without the need to reviewer station.In general production, usually pressurize detection time of water column instrument is 5min, also can be 4min or 8min, and pressurize detection time of glass toughening manure pit is 10min, also can be 5min or 15min.During practical operation, according to the volume of the glass toughening manure pit of different volumes, choose reasonable pressurize detection time.When first boundary value controls to think that within 10mm the impermeability of product is more excellent, more illustrate that impermeability is better close to 0, when first boundary value is positioned at 10-20, think that the impermeability of product is better, for water column instrument, the second boundary value controls within 0-10mm.
As shown in Figure 2, the invention provides a kind of glass toughening manure pit air-tightness detection method, adopt vacuum pump degassing method, the air-leakage test of glass toughening manure pit is carried out by air pressure difference method, only need prepare simple water column instrument can complete air-leakage test, simple to operate, pollution-free to product to be detected, comprise the following steps:
Step one, one end of water column pipe 212 with a scale is vertically fixed in closed water tank 211 and forms water column instrument 210, pipeline 230 is adopted to be communicated with glass toughening manure pit 260, vacuum pump 240 and water column instrument 210, described water tank 211 seals with water column pipe 212 junction, and water tank 211 intracontour waterflooding amount is the 1/3-2/3 of its volume, water fluid-tight in one end water tank 211 of described water column pipe 212, the other end of described water column pipe 212 is communicated with by the vacuum pump 240 of the first sebific duct 231 with band the first air valve 251, described water column pipe 212 inwall is provided with the level sensor 221 connecting digital display meter 222, described digital display meter 222 connects a data acquisition unit 223, wherein, level sensor 221, digital display meter 222 and data acquisition unit 223 are combined into digital control system 220, by the water level digitizing of water column instrument, in the time period after relatively vacuum pump evacuation maintains water column pipe pressure, relative to the accumulative water level deviation of initial value, water column pipe water level judges whether glass toughening manure pit leaks gas, compare conventional use manually to observe water level and whether change and carry out subjective judgement and whether leak gas, both improve precision and also improve work efficiency, decrease cost of labor simultaneously,
One of them import of glass toughening manure pit 260 closed by the hush panel of step 2, employing band detection adapter 233 and fluid sealant, special-purpose sealing plate and fluid sealant is adopted to close other imports of glass toughening manure pit, one end of described detection adapter 233 is communicated with the inside of described glass toughening manure pit 260, the other end is communicated with the first sebific duct 231 by the second sebific duct 232, is provided with the second air valve 252 between the other end of described detection adapter 233 and the second sebific duct 232;
Step 3, glass toughening manure pit 260 is controlled by air valve 250, gas circulation between vacuum pump 240 and water column instrument 210, open the first air valve 251, second air valve 252 and vacuum pump 240, when numerical value on digital display meter 222 on water column instrument 210 reaches the first preset water level value, close the first air valve 251 and vacuum pump 240, be the first Real-time Water place value at interval of the water level value on the first Preset Time collection digital display meter 222, first real time water level deviation is the absolute value of the difference of the first Real-time Water place value and described first preset water level value, the accumulative water level deviation of definition first is the mean value of i the first real time water level deviation in i the first Preset Time, when the first accumulative water level deviation is positioned at predefined first boundary value, then judge that glass toughening manure pit 260 is air tight, otherwise, then judge that it leaks gas.
Described glass toughening manure pit air-tightness detection method, the impermeability of water column instrument 210 was detected before described step 3, open the first air valve 251 and vacuum pump 240, close the second air valve 252, when the numerical value of the digital display meter 222 on water column instrument 210 reaches the second preset water level value, close the first air valve 251 and vacuum pump 240, be the second Real-time Water place value at interval of the water level value on the second Preset Time collection digital display meter 222, second real time water level deviation is the absolute value of the difference of the second Real-time Water place value and described second preset water level value, the accumulative water level deviation of definition second is the mean value of j the second real time water level deviation in j the second Preset Time, when the second accumulative water level deviation is positioned at predefined second boundary value, then judge that water column instrument is air tight, enter step 3, otherwise, then judge that water column instrument 210 leaks gas, replacing water column instrument 210 enters step 3 time air tight to detection water column instrument 210.First detect water column instrument whether to leak gas, can avoid causing false retrieval because of the gas leakage of water column instrument, improve the accuracy of air-leakage test, and a water column instrument repeatedly can use the impermeability measuring other glass toughening manure pits after inspection is air tight, improves work efficiency.
Described glass toughening manure pit air-tightness detection method, described digital display meter 222 is also connected with warning device, and it is set to, and sends the first warning when the described first accumulative water level deviation is greater than predefined first boundary value; The second warning is sent when the described second accumulative water level deviation is greater than predefined second boundary value.By arranging warning device, the situation that reviewer's product can be reminded in time to leak gas, carries out real-time inspection.
Described glass toughening manure pit air-tightness detection method, the volume of described water tank 211 is 6-9L.The volume of water tank affects the water level in water column pipe, and volume is excessive, operation inconvenience, and volume is too small, and water column pipe middle water level is too low, detects the problem that there is precision difference.
Described glass toughening manure pit air-tightness detection method, described first preset water level value is 1000mm, and the first Preset Time is 10-20s, i is 30-60, and described first boundary value is 0-20mm.
Described glass toughening manure pit air-tightness detection method, described second preset water level value is 1000mm, and the second Preset Time is 10-20s, j is 20-30, and described second boundary value is 0-10mm.
Preset water level is set as that 1000mm carries out air-leakage test by the volume for glass toughening manure pit, pressurize detection time is 300-1200s, judge that it is air tight when allowing the first accumulative water level deviation to be positioned at 0-20, for the air-leakage test of water column instrument, for water column instrument small volume, pressurize detection time is 200-600s, judge that it is air tight when allowing the second accumulative water level deviation to be positioned at 0-10, the time that all products air tightness detect can be reduced, and automaticity is high, keep without the need to reviewer station.In general production, usually pressurize detection time of water column instrument is 5min, also can be 4min or 8min, and pressurize detection time of glass toughening manure pit is 10min, also can be 5min or 15min.During practical operation, according to the volume of the glass toughening manure pit of different volumes, choose reasonable pressurize detection time.When first boundary value controls to think that within 10mm the impermeability of product is more excellent, more illustrate that impermeability is better close to 0, when first boundary value is positioned at 10-20, think that the impermeability of product is better, for water column instrument, the second boundary value controls within 0-10mm.
In scheme disclosed by the invention, connecting tube and valve are thought gastight.
Although embodiment of the present invention are open as above, but it is not restricted to listed in instructions and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (8)
1. a glass toughening manure pit air-tightness detection method, is characterized in that, comprises the following steps:
Step one, one end of water column pipe with a scale is vertically fixed in closed water tank forms water column instrument, described water tank and water column pipe junction seal, and water tank intracontour waterflooding amount is the 1/3-2/3 of its volume, water fluid-tight in one end water tank of described water column pipe, water column instrument is communicated with by the air pump of the first sebific duct with band the first air valve, described water column inside pipe wall is provided with the level sensor connecting digital display meter, and described digital display meter connects a data acquisition unit;
One of them import of glass toughening manure pit closed by step 2, the hush panel adopting band detection to take over and fluid sealant, special-purpose sealing plate and fluid sealant is adopted to close other imports of glass toughening manure pit, described one end detecting adapter is communicated with the inside of described glass toughening manure pit, the other end is communicated with the first sebific duct by the second sebific duct, and described detection between the other end of adapter and the second sebific duct is provided with the second air valve;
Step 3, open the first air valve, second air valve and air pump, when numerical value on digital display meter on water column instrument reaches the first preset water level value, close the first air valve and air pump, be the first Real-time Water place value at interval of the water level value on the first Preset Time collection digital display meter, first real time water level deviation is the absolute value of the difference of the first Real-time Water place value and described first preset water level value, the accumulative water level deviation of definition first is the mean value of i the first real time water level deviation in i the first Preset Time, when the first accumulative water level deviation is positioned at predefined first boundary value, then judge that glass toughening manure pit is air tight, otherwise, then judge that it leaks gas.
2. glass toughening manure pit air-tightness detection method as claimed in claim 1, it is characterized in that, the impermeability of water column instrument was detected before described step 3, open the first air valve and air pump, close the second air valve, when the numerical value of the digital display meter on water column instrument reaches the second preset water level value, close the first air valve and air pump, be the second Real-time Water place value at interval of the water level value on the second Preset Time collection digital display meter, second real time water level deviation is the absolute value of the difference of the second Real-time Water place value and described second preset water level value, the accumulative water level deviation of definition second is the mean value of j the second real time water level deviation in j the second Preset Time, when the second accumulative water level deviation is positioned at predefined second boundary value, then judge that water column instrument is air tight, enter step 3, otherwise, then judge that water column instrument leaks gas, change water column instrument and enter step 3 when extremely detection water column instrument is air tight.
3. glass toughening manure pit air-tightness detection method as claimed in claim 2, it is characterized in that, described air pump is inflator pump, and the top of described water tank is provided with air admission hole, described inflator pump is communicated with described air admission hole by the first sebific duct, and one end that described water column Guan Weiyu water tank is fixed is communicated with air.
4. glass toughening manure pit air-tightness detection method as claimed in claim 2, it is characterized in that, described air pump is vacuum pump, and described vacuum pump is communicated with the other end of described water column pipe by the first sebific duct.
5. as the glass toughening manure pit air-tightness detection method as described in arbitrary in claim 3 or 4, it is characterized in that, described digital display meter is also connected with warning device, and it is set to, and sends the first warning when the described first accumulative water level deviation is greater than predefined first boundary value; The second warning is sent when the described second accumulative water level deviation is greater than predefined second boundary value.
6. glass toughening manure pit air-tightness detection method as claimed in claim 5, it is characterized in that, the volume of described water tank is 6-9L.
7. glass toughening manure pit air-tightness detection method as claimed in claim 6, it is characterized in that, described first preset water level value is 1000mm, and the first Preset Time is 10-20s, i is 30-60, and described first boundary value is 0-20mm.
8. glass toughening manure pit air-tightness detection method as claimed in claim 7, it is characterized in that, described second preset water level value is 1000mm, and the second Preset Time is 10-20s, j is 20-30, and described second boundary value is 0-10mm.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211495A (en) * | 2018-10-26 | 2019-01-15 | 苏州岸肯电子科技有限公司 | A kind of silencer leak-testing apparatus |
| CN114608768A (en) * | 2022-03-11 | 2022-06-10 | 深圳潜行创新科技有限公司 | Method for detecting sealing performance of cabin of small underwater equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2872339Y (en) * | 2006-02-23 | 2007-02-21 | 吴至一 | Air-tightness tester |
| WO2008137279A1 (en) * | 2007-05-02 | 2008-11-13 | Praxair Technology, Inc. | Method and apparatus for leak detection |
| US20090133672A1 (en) * | 2007-11-27 | 2009-05-28 | Continental Automotive Canada Inc. | Natural vacuum leak detection device using diaphragm-seal mechanism |
| CN101446512A (en) * | 2008-09-26 | 2009-06-03 | 上汽通用五菱汽车股份有限公司 | Automotive fuel leak detection method |
| CN103868663A (en) * | 2014-03-06 | 2014-06-18 | 农业部沼气科学研究所 | Glass fiber reinforced plastics methane tank arch detection device and detection method |
| CN104483079A (en) * | 2014-11-29 | 2015-04-01 | 农业部沼气科学研究所 | Biogas tank airtightness testing device |
-
2015
- 2015-04-03 CN CN201510159255.7A patent/CN104819812B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2872339Y (en) * | 2006-02-23 | 2007-02-21 | 吴至一 | Air-tightness tester |
| WO2008137279A1 (en) * | 2007-05-02 | 2008-11-13 | Praxair Technology, Inc. | Method and apparatus for leak detection |
| US20090133672A1 (en) * | 2007-11-27 | 2009-05-28 | Continental Automotive Canada Inc. | Natural vacuum leak detection device using diaphragm-seal mechanism |
| CN101446512A (en) * | 2008-09-26 | 2009-06-03 | 上汽通用五菱汽车股份有限公司 | Automotive fuel leak detection method |
| CN103868663A (en) * | 2014-03-06 | 2014-06-18 | 农业部沼气科学研究所 | Glass fiber reinforced plastics methane tank arch detection device and detection method |
| CN104483079A (en) * | 2014-11-29 | 2015-04-01 | 农业部沼气科学研究所 | Biogas tank airtightness testing device |
Non-Patent Citations (1)
| Title |
|---|
| 中华人民共和国国家质量监督检验检疫总局等发布: "《中华人民共和国国家标准》", 5 November 2012, 中国标准出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211495A (en) * | 2018-10-26 | 2019-01-15 | 苏州岸肯电子科技有限公司 | A kind of silencer leak-testing apparatus |
| CN114608768A (en) * | 2022-03-11 | 2022-06-10 | 深圳潜行创新科技有限公司 | Method for detecting sealing performance of cabin of small underwater equipment |
| CN114608768B (en) * | 2022-03-11 | 2023-05-30 | 深圳潜行创新科技有限公司 | Small underwater equipment cabin tightness detection method |
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