CN109596277A - A kind of system for packing container constant temperature air seal test - Google Patents
A kind of system for packing container constant temperature air seal test Download PDFInfo
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- CN109596277A CN109596277A CN201910042645.4A CN201910042645A CN109596277A CN 109596277 A CN109596277 A CN 109596277A CN 201910042645 A CN201910042645 A CN 201910042645A CN 109596277 A CN109596277 A CN 109596277A
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- 238000012856 packing Methods 0.000 title claims abstract description 87
- 238000012360 testing method Methods 0.000 title claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 419
- 230000008676 import Effects 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 138
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 13
- 239000012535 impurity Substances 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/10—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for containers, e.g. radiators
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of systems for packing container constant temperature air seal test, including the first water supply line, second water supply line, first water pump, water tank, first steam line, first exhaust pipeline, controller, display and water supply device, water tank includes sink and upper cover, the import of first water pump is connected with the first water supply line, the outlet of first water pump is connected with sink by the second water supply line, first water supply line is equipped with the first control valve, second water supply line is equipped with the second control valve, the right side of upper cover and the right side of sink are hinged, pressure maintaining valve is successively arranged on first steam line, first intake valve and first pressure sensor, one end of first exhaust pipeline is connected on the first steam line on rear side of the first intake valve, first exhaust pipeline is equipped with first row air valve.Air seal test is carried out to packing container using the system, judges whether packing container leaks convenient for accurate observation, and accurately confirm the leakage point of packing container.
Description
Technical field
The invention belongs to packing container tightness test technical fields, airtight for packing container constant temperature more particularly to one kind
The system of test.
Background technique
Equipment of the packing container as chemical industry, chemical products is contained, airtight performance and drastically influencing of mechanical performance
The safety of work, chemical products transport storage, it is therefore desirable to which air seal test is carried out with the close of evaluate packaging container to packing container
Close performance and mechanical performance.It is to smear suds in the outside of packing container, then in traditional packing container air seal test
Compressed air is added into packing container, when reaching test pressure, if there is bubble generation on the outside of packing container, illustrates
There is damaged leakage in packing container, if the outside of packing container does not have bubble generation, illustrates that packing container is not damaged.Benefit
With the method for smearing soap water test, the leakage occurred for the bottom of packing container not can be carried out effective judgement, and measure
Whether uniformly influence, if leakage point does not smear suds, can not promptly and accurately judge if as a result also being smeared by suds
Situation is leaked out, also, since packing container is mostly plastic material, the temperature of packing container is different, generates under same pressure
Deformation it is different, so if the temperature of packing container is unstable uncertain when test, then be easy to generate test result larger
Deviation.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide one kind to be used for the airtight examination of packing container constant temperature
The system tested is unable to judge accurately whether packing container the feelings leaked occurs when existing packing container air seal test for solving
Shape.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of system for packing container constant temperature air seal test, including the first water supply line, the second water supply line, first
Water pump, water tank, the first steam line, first exhaust pipeline, controller and display, the water tank include sink and upper cover, institute
The import for stating the first water pump is connected with the output end of the first water supply line, and the outlet of first water pump and sink pass through second
Water supply line is connected, and first water supply line is equipped with the first control valve, and second water supply line is equipped with the second control
Valve processed, the sink is interior to be equipped with the first liquid level sensor, and first liquid level sensor is used to acquire the liquid level signal in sink,
And the liquid level signal in sink is passed into controller, controller controls opening for the first water pump according to the liquid level signal received
Stop, the upper cover is successively arranged pressure maintaining valve, the first intake valve and first pressure sensing in grid-like on first steam line
Device, the first pressure sensor are used to acquire the pressure signal in the first steam line, and by the pressure signal transmission to control
Device processed, controller control the aperture of pressure maintaining valve according to the pressure signal received, and control display for the first steam line
Pressure show that one end of the first exhaust pipeline is connected on the first steam line on rear side of the first intake valve, institute
It states first exhaust pipeline and passes through the first articulated slab and second equipped with first row air valve, the right side of the upper cover and the right side of sink
Articulated slab is hinged, and one end of first articulated slab is connect with upper cover, the other end and the second articulated slab of first articulated slab
Upper end by articulated shaft it is hinged, be fixedly connected on the right side of the lower end of second articulated slab and sink, the water supply device packet
Constant temperature water tank and temperature adjusting mechanism are included, the temperature adjusting mechanism includes circulating water pipe, the second water pump, Cool-water Machine for Industry and electricity
Heater, the input terminal of the circulating water pipe are connected with the bottom of constant temperature water tank, the output end and constant temperature of the circulating water pipe
It is connected at the top of water tank, second water pump, Cool-water Machine for Industry and electric heater are sequentially connected in series on circulating water pipe, the perseverance
Top on reservoir is equipped with the first water inlet pipe, and the bottom of the constant temperature water tank is equipped with outlet pipe, and the outlet pipe and first supply
The input terminal of waterpipe is connected, and first water inlet pipe is equipped with inlet valve, is equipped with temperature sensor in the constant temperature water tank
With the second liquid level sensor, the temperature sensor is used to acquire temperature signal in constant temperature constant temperature water tank and by the temperature signal
Controller is passed to, controller controls the second water pump, industrial cold water according to the temperature signal from temperature sensor received
The start and stop of machine and electric heater, second liquid level sensor is for acquiring the liquid level signal in constant temperature water tank and believing the liquid level
Number pass to controller, controller is according to the aperture of the liquid level signal control inlet valve received from the second liquid level sensor.
Preferably, the left side of the sink be equipped with driving mechanism, the driving mechanism include the first cylinder body, the second cylinder body,
First gas pipeline and second gas pipeline, the lower end of first cylinder body and being hinged at for sink, in first cylinder body
Equipped with first piston and First piston bar, the lower end of the First piston bar is connect with first piston, the First piston bar
Upper end extend out to the first cylinder body top and the first articulated slab it is hinged, one end of the first gas pipeline is connected with the first cylinder body
Logical, the connectivity points between the first gas pipeline and the first cylinder body are on the top of first piston, the first gas pipeline
Equipped with first gas control valve, second piston, one end of the second gas pipeline and the second cylinder are equipped in second cylinder body
Body is connected, and the second gas pipeline is equipped with second gas control valve, between the second gas pipeline and the second cylinder body
Connectivity points in the top of second piston, the bottom of first cylinder body is connected with the bottom of the second cylinder body.
When in use, packing container is placed in sink, covers upper cover, open the first control valve, start the first water pump,
Open the second control valve, the first water pump is supplied water by the second water supply line into sink, when packing container float up to top with it is upper
When lid contact, stops supplying water, by the inlet communication of the output end of the first steam line and packing container, then open the first water pump
Continue to supply water into sink, when the water in the first liquid level sensor induction screw clamp attains to a high place, controller controls the first water pump
Stop supplying water into the first sink, and close the first control valve and the second control valve, at this time due to the blocking of upper cover, packaging is held
Device is submerged in the water of sink.
The first intake valve and pressure maintaining valve are opened, compressed air is supplied into packing container, first pressure sensor is for feeling
The pressure in the first steam line is answered, the pressure in packing container is equal with the pressure of the first steam line, when in packing container
Pressure when reaching test pressure, close the first intake valve and pressure maintaining valve, whether have bubble generation, if there is gas if observing in water tank
Bubble generates, then illustrates that leakage occurs in packing container, if generated without bubble, illustrate that packing container does not leak.
After air seal test, first row air valve is opened, is arranged the gas in packing container by first exhaust pipeline
Out.
First cylinder body of driving mechanism and the bottom of the second cylinder body are filled with liquid, when needing to open upper cover, beat
First gas control valve and second gas control valve are opened, is supplied by second gas pipeline into the second cylinder body, in the second cylinder body
Second piston move down, the intracorporal liquid of the second cylinder is flowed into the first cylinder body, thus driving the first cylinder intracorporal first
Piston moves up, and the gas in the first cylinder body above first piston is discharged by first gas pipeline, and First piston bar is upward
It stretches out, so that upper cover be driven to move upwards, upper cover is opened.After upper cover is opened in place, first gas control valve and the are closed
Two gas control valves.When needing to close upper cover, first gas control valve and second gas control valve are opened, the first gas is passed through
Body pipeline is supplied into the first cylinder body, and the intracorporal first piston of the first cylinder moves down, and the intracorporal liquid of the first cylinder is to the second cylinder
Flowing in vivo, so that the driving intracorporal second piston of the second cylinder moves up, the gas in the second cylinder body above second piston is logical
The discharge of second gas pipeline is crossed, First piston bar bounces back downwards, so that upper cover be driven to move downward, upper cover is closed.
By the first cylinder body and the second cylinder body match in the way of, drive the opening and closing of upper cover because liquid can
Compression performance is lower, therefore upper cover runs smoothly during turning on or off, using gas as driving power, it is only necessary to
To install driving air pump at the scene can provide compressed air as power source, avoid and need to pacify using simple hydraulic-driven
The method for filling hydraulic system, has saved cost of manufacture.
Preferably, the bottom of the sink is equipped with bottom drain valve.
Bottom drain valve is arranged in the bottom of sink, for the water in sink to be discharged.
Preferably, the bottom surrounding of the sink is equipped with annular lamp band.
Annular lamp band is arranged in the bottom of sink, is conducive to improve the brightness in sink, convenient for whether having gas in observation sink
Bubble generates.
Preferably, the side of the sink is equipped with transparent window.
Transparent window is arranged in the side of sink, convenient for the liquid level in observation sink, is conducive to the progress of air seal test.
Preferably, the left side of the sink is equipped with observation platform and steel ladder, vertical at the top of the observation platform screw clamp
Distance is 800 millimeters to 1200 millimeters, and the top of the steel ladder is connect with observation platform.
The side setting steel ladder and observation platform of sink, the top of sink is reached convenient for operator, is conducive to packaging and is held
Situation in connection between device and the first steam line, and observation sink, convenient for the progress of air seal test.
Preferably, which further includes air feed equipment, and the air feed equipment includes air compressor, freeze drier and pressure
Contracting air tank, the air compressor are supplied by the second steam line to compressed air cylinder, and the freeze drier is connected on
On second steam line, the input terminal of first steam line is connected with compressed air cylinder, first steam line
Input terminal is equipped with the second intake valve, and the top of the compressed air cylinder is equipped with second pressure sensor, the second pressure sensing
Device is used to acquire the reservoir pressure signal of compressed air cylinder, and the reservoir pressure signal is passed to controller, the controller
According to the start and stop of the reservoir pressure signal control air compressor received, the bottom of the compressed air cylinder is equipped with drain valve.
Air feed equipment is used to improve high pressure, clean compressed air for air seal test, avoids the operation using high pressure gas cylinder
Method reduces the operating cost of air seal test.
Preferably, one end of the second steam line input freeze drier and the output freeze-drying of the second steam line
One end of machine is equipped with the first shut-off valve, and the air feed equipment further includes bypass duct, the bypass duct and freeze drier
It is arranged in parallel, the bypass duct is equipped with bypass valve.
Bypass duct and bypass valve are set, convenient for the upkeep operation of air feed equipment especially freeze drier.
Preferably, the rear side in the left side of the water tank, the front side of water tank and/or water tank is equipped with locking mechanism, the locking
Mechanism includes that the first otic placode, two the second otic placodes, locating shaft and the first cylinder, first otic placode are fixedly connected with upper cover,
First otic placode is equipped with first positioning hole, and described two second otic placodes are connect with the side of sink, and described two second
Otic placode is oppositely arranged, and a second location hole is equipped on described two second otic placodes, and described two second positioning through hole are formed
One group is located on the side of sink perforation, the cylinder, the center line of the first positioning hole and the center of second location hole
Line coincides with the center line of locating shaft, and one end of the locating shaft is arranged in first positioning hole and second location hole, institute
The other end for stating locating shaft is fixedly connected with the cylinder rod of the first cylinder.
The rear side in the left side of water tank, the front side of water tank and/or water tank is equipped with locking mechanism, which utilizes locating shaft
First otic placode and the second positioning plate are worn into method together, can be prevented during the test due to packing container
The thrust situation that causes upper cover to be opened, while driving force required for the driving of the first cylinder is smaller, reduce the system into
The energy spent by row air seal test.
In the technical scheme, can according to conventional cylinder driving method by reversal valve and air pump to the first cylinder into
Row driving.
Preferably, the bottom of the sink is equipped with flase floor.
The bottom setting flase floor of sink avoids packing container bottom straight for placing packing container in air seal test
Connect the bottom for being placed on sink.
Preferably, the edge of the sink upper bottom portion be equipped with water inlet, second water supply line by water inlet with
Sink is connected.
Water inlet setting is in edge, and when being supplied water by the second water supply line into sink, water flow rotates in sink
Flowing, can effectively go out the bubble that packing container bottom may accumulate, and avoid because of the gas that packing container bottom is accumulated
Steep the influence to test result.
Preferably, the first exhaust pipeline is equipped with muffler.
The muffler is used to eliminate the noise generated when exhaust.
Preferably, the described system further includes the first water return pipeline and the second water return pipeline, first water return pipeline
One end is connected with the first water supply line, and the connectivity points between first water return pipeline and the first water supply line are in the first control
Between valve processed and the first water pump, the other end of first water return pipeline is connected with the second water supply line, first return water
Connectivity points between pipeline and the second water supply line are between the second control valve and sink, and first water return pipeline is equipped with
Third control valve, second water return pipeline are equipped with the 4th control valve, and one end of second water return pipeline is supplied water with second
Pipeline is connected, and the connectivity points between second water return pipeline and the second water supply line are in the first water pump and the first control valve
Between, the other end of second water return pipeline is connected with constant temperature water tank.
After the end of the test, when needing water discharge in sink, the first control valve and the second control valve are closed, opens the
Three control valves and the 4th control valve, start the first water pump, and the water in sink successively passes through the second water supply line, the first return pipe
Road, the first water pump, the second water supply line and the second water return pipeline are back in constant temperature water tank.
Preferably, the water supply device further includes regenerated water recovering machine structure, and the regenerated water recovering machine structure includes catch basin, third water pump
With third water return pipeline, the catch basin is connected with constant temperature water tank by third water return pipeline, and the third water pump setting exists
On third water return pipeline, third liquid level sensor is equipped in the catch basin, the third liquid level sensor is for catchmenting
The liquid level signal simultaneously passes to controller by the liquid level signal of slot, and controller is according to receiving from third liquid level sensor
The start and stop of liquid level signal control third water pump.
Second water pump is used to aspirate the water in constant temperature water tank in circulating water pipe internal circulation flow, and Cool-water Machine for Industry is used for water
Cool down, for electric heater for heating to water, temperature sensor acquires the temperature signal in constant temperature water tank, and by the temperature
Degree signal passes to controller, and controller controls the second water pump, work according to the temperature signal from temperature sensor received
The start and stop of industry cooling-water machine and electric heater.When the temperature drift in constant temperature water tank, controller controls Cool-water Machine for Industry starting, right
Water cools down；When the temperature in constant temperature water tank is relatively low, controller controls electric heater starting, heats up to water.It is described
Second liquid level sensor is for acquiring the liquid level signal in constant temperature water tank and the liquid level signal being passed to controller, controller root
According to the aperture of the liquid level signal control inlet valve received from the second liquid level sensor, when the water in constant temperature water tank reaches permanent
Reservoir volume 80% when, controller controls inlet valve and closes, and the first water inlet pipe stops intaking into constant temperature water tank.Thermostatted water
Case is outwardly supplied water by outlet pipe.
It catch basin is set can effectively recycle and trickle down the water in detection platform when testing and carrying out, and pass through third water pump
Water in catch basin is pumped in constant temperature water tank, realizes recycling for water.
Preferably, be additionally provided with first filter on the circulating water pipe, the first filter setting in the second water pump and
Between Cool-water Machine for Industry.
First filter is set on circulating water pipe, can be filtered to by the water of circulating water pipe, it on the one hand can be to prevent
Impurity in sealing results in blockage to Cool-water Machine for Industry and electric heater, in addition can reduce the impurity in outwardly supplying water again.
Preferably, the first filter is basket filter.
Preferably, the circulating water pipe is switched equipped with first flow, and the first flow switch is for acquiring recirculated water
The flow signal is simultaneously passed to controller by flow signal in pipe, and controller controls electric heating according to the flow signal received
The start and stop of device and Cool-water Machine for Industry.
First flow is arranged to switch, Cool-water Machine for Industry and electric heater are in when water shortage in circulating water pipe can be effectively prevented
The safety of the water supply device can be improved in operating status.
Preferably, the side of the constant temperature water tank is equipped with liquidometer.
The side of constant temperature water tank is equipped with liquidometer, convenient for the liquid level in field observation constant temperature water tank,
Preferably, the side upper end of the constant temperature water tank is equipped with the 4th liquid level sensor, and the 4th liquid level sensor is used
In the liquid level signal in acquisition constant temperature water tank and the liquid level signal is passed into controller, controller is according to the 4th liquid received
The switch for the liquid level signal control inlet valve that level sensor transmitting comes；The side lower end of the constant temperature water tank is passed equipped with the 5th liquid level
Sensor, the 5th liquid level sensor is for acquiring the liquid level signal in constant temperature water tank and the liquid level signal being passed to control
Device, controller according to receive the 5th liquid level sensor transmitting come liquid level signal control the second water pump start and stop.
The second liquid level sensor breaks down in order to prevent, causes the second liquid level sensor that can not accurately measure constant temperature water tank
Interior liquid level is provided with the 4th liquid level sensor, when the 4th liquid level sensor detects that the water in constant temperature water tank reaches constant temperature
Water tank capacity 85% when, controller control inlet valve close, the first water inlet pipe stop water inlet.4th liquid level sensor detects
When water in constant temperature water tank is lower than the 40% of constant temperature water tank volume, controller controls the second water pump, Cool-water Machine for Industry and electricity and adds
Hot device is out of service.
Preferably, the input terminal of the circulating water pipe is equipped with the second shut-off valve, and the circulating water pipe ends equipped with third
The exit of the second water pump is arranged in valve, the third shut-off valve.
Preferably, the outlet pipe is equipped with outlet valve.
Preferably, the second filter, the input terminal of second filter and circulating water pipe are equipped in the constant temperature water tank
It is connected.
Preferably, second filter is cartridge filter.
Preferably, the third water return pipeline is switched equipped with second flow, and second flow switch is for acquiring the
The flow signal is simultaneously passed to controller by flow signal on three water return pipelines, and controller is according to receiving from second
The start and stop of the flow signal control third water pump of amount switch.
Preferably, the third water return pipeline is equipped with third filter.
Third filter can effectively be filtered the water in third water return pipeline, to effectively prevent in catch basin
Water entrainment impurity enter in constant temperature water tank.
Preferably, the 6th liquid level sensor is equipped in the catch basin, the 6th liquid level sensor is for catchmenting
The liquid level signal simultaneously passes to controller by the liquid level signal of slot, and controller is according to receiving from the 6th liquid level sensor
The start and stop of liquid level signal control third water pump.
Third liquid level sensor and the 6th liquid level sensor are set simultaneously in catch basin, can be effectively prevented because of third
When liquid level sensor breaks down, the situation that causes the liquid level of catch basin not measure accurately；In the process of running, controller is excellent
First third water pump is controlled according to the liquid level signal of third liquid level sensor, is passed when controller can not receive third liquid level
When the liquid level signal of sensor, controller controls third water pump according to the liquid level signal of third liquid level sensor.
The beneficial effects of the present invention are: using packing container to be placed on to the method tested in sink to packing container
Air seal test is carried out, judges whether packing container leaks convenient for accurate observation, and accurately confirms letting out for packing container
Leak source, since suds brush the problem of uneven caused test inaccuracy, and packaging when avoiding traditional air seal test
Container bottom is unable to judge accurately the problem of leaking.By the first cylinder body and the second cylinder body match in the way of, in driving
The opening and closing of lid, because the compressibility of liquid can be lower, upper cover runs flat during turning on or off
Surely, using gas as driving power, it is only necessary to installation driving air pump can provide compressed air as power source at the scene,
The method for needing to install hydraulic system using simple hydraulic-driven is avoided, cost of manufacture has been saved, simultaneously because the system packet
Water supply device is included for providing thermostatted water into sink, test temperature when packing container air seal test is can control, provides
The accuracy of packing container air seal test.
Detailed description of the invention
Fig. 1 is the overall system architecture schematic diagram that the present invention is used for the air seal test of packing container constant temperature.
Fig. 2 is upper cover closed state main view of the present invention for the system water tank of packing container constant temperature air seal test.
Fig. 3 is a-quadrant enlarged drawing in Fig. 2 of the present invention.
Fig. 4 is upper cover opening state main view of the present invention for the system water tank of packing container constant temperature air seal test.
Fig. 5 is upper cover closed state top view of the present invention for the system water tank of packing container constant temperature air seal test.
Fig. 6 is upper cover closed state right view of the present invention for the system water tank of packing container constant temperature air seal test.
Fig. 7 is the system drive mechanism structure schematic diagram that the present invention is used for the air seal test of packing container constant temperature.
Fig. 8 is the system use state diagram that the present invention is used for the air seal test of packing container constant temperature.
Fig. 9 is upper cover opening state cross-sectional view of the present invention for the system water tank of packing container constant temperature air seal test.
Figure 10 is the system water supply apparatus structure schematic diagram that the present invention is used for the air seal test of packing container constant temperature.
Fig. 1 is into Figure 10: 1 is the first water supply line, and 2 be the second water supply line, and 3 be the first water pump, and 4 be the first air supply pipe
Road, 5 be first exhaust pipeline, and 6 be sink, and 7 be upper cover, and 8 be the first control valve, and 9 be the second control valve, and 10 be pressure maintaining valve, 11
For the first intake valve, 12 be first row air valve, and 13 be the first articulated slab, and 14 be the second articulated slab, and 15 be the first cylinder body, and 16 be the
Two cylinder bodies, 17 be first gas pipeline, and 18 be second gas pipeline, and 19 be first piston, and 20 be First piston bar, and 21 be first
Gas control valve, 22 be second piston, and 23 be second gas control valve, and 24 be bottom drain valve, and 25 be transparent window, and 26 be sight
Platform is examined, 27 be steel ladder, and 28 be air compressor, and 29 be freeze drier, and 30 be compressed air cylinder, and 31 be the second air supply pipe
Road, 32 be the second intake valve, and 33 be second pressure sensor, and 34 be drain valve, and 35 be flase floor, and 36 be the first otic placode, and 37 are
Second otic placode, 38 be locating shaft, and 39 be the first cylinder, and 40 be muffler, and 41 be packing container, and 42 be the first water return pipeline, 43
For the second water return pipeline, 44 be third control valve, and 45 be the 4th control valve, and 201 be constant temperature water tank, and 202 be circulating water pipe, 203
For the second water pump, 204 be Cool-water Machine for Industry, and 205 be electric heater, and 206 be the first water inlet pipe, and 207 be outlet pipe, 208 for into
Water valve, 209 be temperature sensor, and 2010 be the second liquid level sensor, and 2011 be catch basin, and 2012 be third water pump, and 2013 are
Third water return pipeline, 2014 be third liquid level sensor, and 2015 be first filter, and 2016 switch for first flow, and 2017 are
Liquidometer, 2018 be the 4th liquid level sensor, and 2019 be the 5th liquid level sensor, and 2020 be the second shut-off valve, and 2021 be third
Shut-off valve, 2022 be outlet valve, and 2023 be the second filter, and 2024 switch for second flow, and 2025 be third filter, 2026
For the 6th liquid level sensor.
Specific embodiment
Carry out the system that the air seal test of packing container constant temperature is used for the present invention with specific case study on implementation with reference to the accompanying drawing
It further describes in detail, in the hope of being more fully apparent from expresses structure feature and concrete application of the invention, but cannot be with
This is limited the scope of the invention.
Embodiment: as shown in Figures 1 to 10, a kind of system for packing container constant temperature air seal test, including the first confession
Waterpipe 1, the second water supply line 2, the first water pump 3, water tank, the first steam line 4, first exhaust pipeline 5, controller, display
Device and water supply device, the water tank include sink 6 and upper cover 7, and the import of first water pump 3 is defeated with the first water supply line 1
Outlet is connected, and the outlet of first water pump 3 is connected with sink 6 by the second water supply line 2, first water supply line
1 is equipped with the first control valve 8, and second water supply line 2 is equipped with the second control valve 9, is equipped with the first liquid level in the sink 6
Sensor, first liquid level sensor is used to acquire the liquid level signal in sink 6, and the liquid level signal in sink 6 is transmitted
To controller, controller controls the start and stop of the first water pump 3 according to the liquid level signal that receives, and the upper cover 7 is described in grid-like
Pressure maintaining valve 10, the first intake valve 11 and first pressure sensor, the first pressure sensing are successively arranged on first steam line 4
Device is used to acquire the pressure signal in the first steam line 4, and by the pressure signal transmission to controller, controller is according to reception
The aperture of the pressure signal control pressure maintaining valve 10 arrived, and control display and show the pressure of the first steam line 4, institute
The one end for stating first exhaust pipeline 5 is connected on the first steam line 4 of 11 rear side of the first intake valve, the first exhaust pipeline
5 are equipped with first row air valve 12, and the right side of the upper cover 7 and the right side of sink 6 pass through the first articulated slab 13 and the second articulated slab
14 is hinged, and one end of first articulated slab 13 is connect with upper cover 7, the other end and the second articulated slab of first articulated slab 13
14 upper end is hinged by articulated shaft, and the lower end of second articulated slab 14 is fixedly connected with the right side of sink 6, the water supply dress
Set including constant temperature water tank 201 and temperature adjusting mechanism, the temperature adjusting mechanism include circulating water pipe 202, the second water pump 203,
The input terminal of Cool-water Machine for Industry 204 and electric heater 205, the circulating water pipe 202 is connected with the bottom of constant temperature water tank 201,
The output end of the circulating water pipe 202 is connected with the top of constant temperature water tank 201, second water pump 203, Cool-water Machine for Industry
204 and electric heater 205 be sequentially connected in series on circulating water pipe 202, the top on the constant temperature water tank 201 be equipped with the first water inlet pipe
206, the bottom of the constant temperature water tank 201 is equipped with outlet pipe 207, the input terminal phase of the outlet pipe 207 and the first water supply line 1
Connection, first water inlet pipe 206 are equipped with inlet valve 208, and temperature sensor 209 and the are equipped in the constant temperature water tank 201
Two liquid level sensors 2010, the temperature sensor 209 are used to acquire temperature signal in constant temperature constant temperature water tank 201 and by the temperature
Degree signal passes to controller, and controller controls the second water pump according to the temperature signal from temperature sensor 209 received
203, the start and stop of Cool-water Machine for Industry 204 and electric heater 205, second liquid level sensor 2010 is for acquiring constant temperature water tank
The liquid level signal is simultaneously passed to controller by liquid level signal in 201, and controller is according to receiving from the second liquid level sensor
The aperture of 2010 liquid level signal control inlet valve 208.
Preferably, the left side of the sink 6 is equipped with driving mechanism, the driving mechanism includes the first cylinder body 15, second
Cylinder body 16, first gas pipeline 17 and second gas pipeline 18, the lower end of first cylinder body 15 and being hinged at for sink 6,
First piston 19 and First piston bar 20, the lower end of the First piston bar 20 and first piston are equipped in first cylinder body 15
19 connections, the upper end of the First piston bar 20 extend out to the top of the first cylinder body 15 and the first articulated slab 13 is hinged, and described the
One end of one gas pipeline 17 is connected with the first cylinder body 15, the connection between the first gas pipeline 17 and the first cylinder body 15
Point is equipped with first gas control valve 21, second cylinder body 16 in the top of first piston 19, the first gas pipeline 17
Interior to be equipped with second piston 22, one end of the second gas pipeline 18 is connected with the second cylinder body 16, the second gas pipeline
18 are equipped with second gas control valve 23, and the connectivity points between the second gas pipeline 18 and the second cylinder body 16 are in second piston
22 top, the bottom of first cylinder body 15 are connected with the bottom of the second cylinder body 16.
When in use, packing container 41 is placed in sink 6, covers upper cover 7, open the first control valve 8, starting first
Water pump 3 opens the second control valve 9, and the first water pump 3 is supplied water by the second water supply line 2 into sink 6, when on packing container 41
When contacting floating to top and upper cover 7, stop supplying water, by the inlet communication of the output end of the first steam line 4 and packing container 41,
Then the first water pump 3 is opened to continue to supply water into sink 6, when the water in the first liquid level sensor induction screw clamp 6 attains to a high place,
Controller, which controls the first water pump 3, to be stopped supplying water into the first sink 6, and closes the first control valve 8 and the second control valve 9, this
When due to upper cover 7 blocking, packing container 41 is submerged in the water of sink 6.
The first intake valve 11 and pressure maintaining valve 10 are opened, compressed air, first pressure sensor are supplied into packing container 41
For incuding the pressure in the first steam line 4, the pressure in packing container 41 is equal with the pressure of the first steam line 4, when
When pressure in packing container 41 reaches test pressure, the first intake valve 11 and pressure maintaining valve 10 are closed, whether observe has in water tank
Bubble generates, and if there is bubble generates, then illustrates that leakage occurs in packing container 41, if generated without bubble, illustrates to wrap
Packaging container 41 does not leak.
After air seal test, first row air valve 12 is opened, by first exhaust pipeline 5 by the gas in packing container 41
Body discharge.
First cylinder body 15 of driving mechanism and the bottom of the second cylinder body 16 are filled with liquid, when needing to open upper cover 7
When, first gas control valve 21 and second gas control valve 23 are opened, is supplied by second gas pipeline 18 into the second cylinder body 16
Gas, the second piston 22 in the second cylinder body 16 move down, and the liquid in the second cylinder body 16 is flowed into the first cylinder body 15, thus
The first piston 19 in the first cylinder body 15 is driven to move up, the gas of 19 top of first piston passes through first in the first cylinder body 15
Gas pipeline 17 is discharged, and First piston bar 20 is stretched out upwards, so that upper cover 7 be driven to move upwards, upper cover 7 is opened.When upper cover 7
After opening in place, first gas control valve 21 and second gas control valve 23 are closed.When needing to close upper cover 7, the is opened
One gas control valve 21 and second gas control valve 23 are supplied by first gas pipeline 17 into the first cylinder body 15, the first cylinder
First piston 19 in body 15 moves down, and the liquid in the first cylinder body 15 is flowed into the second cylinder body 16, thus driving second
Second piston 22 in cylinder body 16 moves up, and the gas of 22 top of second piston passes through second gas pipeline in the second cylinder body 16
18 discharges, First piston bar 20 bounce back downwards, so that upper cover 7 be driven to move downward, upper cover 7 are closed.
By the first cylinder body 15 and the second cylinder body 16 match in the way of, drive upper cover 7 opening and closing, because of liquid
Compressibility can be lower, therefore upper cover 7 runs smoothly during turning on or off, and is moved using gas as driving
Power, it is only necessary to which installation driving air pump can provide compressed air as power source at the scene, avoid using simple hydraulic drive
The dynamic method for needing to install hydraulic system, has saved cost of manufacture.
As a further preference, the bottom of the sink 6 is equipped with bottom drain valve 24.
Bottom drain valve 24 is arranged in the bottom of sink 6, for the water in sink 6 to be discharged.
As further preferably, the bottom surrounding of the sink 6 is equipped with annular lamp band.
Whether annular lamp band is arranged in the bottom of sink 6, is conducive to improve the brightness in sink 6, convenient for having in observation sink 6
Bubble generates.
As further preferably, the side of the sink 6 is equipped with transparent window 25.
Transparent window 25 is arranged in the side of sink 6, convenient for the liquid level in observation sink 6, is conducive to the progress of air seal test.
As further preferably, the left side of the sink 6 is equipped with observation platform 26 and steel ladder 27, the observation platform
The vertical distance at 26 screw clamp, 6 top is 800 millimeters to 1200 millimeters, and the top of the steel ladder 27 is connect with observation platform 26.
The side setting steel ladder 27 and observation platform 26 of sink 6, the top of sink 6 is reached convenient for operator, is conducive to
Situation in connection between packing container 41 and the first steam line 4, and observation sink 6, convenient for the progress of air seal test.
Preferably the system further includes air feed equipment as further, the air feed equipment include air compressor 28,
Freeze drier 29 and compressed air cylinder 30, the air compressor 28 are supplied by the second steam line 31 to compressed air cylinder 30
Gas, the freeze drier 29 are connected on the second steam line 31, the input terminal and compressed air of first steam line 4
Tank 30 is connected, and the input terminal of first steam line 4 is equipped with the second intake valve 32, and the top of the compressed air cylinder 30 is set
There is second pressure sensor 33, the second pressure sensor 33 is used to acquire the reservoir pressure signal of compressed air cylinder 30, and
The reservoir pressure signal is passed into controller, the controller controls air compressor according to the reservoir pressure signal received
The bottom of 28 start and stop, the compressed air cylinder 30 is equipped with drain valve 34.
Air feed equipment is used to improve high pressure, clean compressed air for air seal test, avoids the operation using high pressure gas cylinder
Method reduces the operating cost of air seal test.
As further preferred, one end of the input of the second steam line 31 freeze drier 29 and the second gas supply
One end that pipeline 31 exports freeze drier 29 is equipped with the first shut-off valve, and the air feed equipment further includes bypass duct, described
Bypass duct is arranged in parallel with freeze drier 29, and the bypass duct is equipped with bypass valve.
Bypass duct and bypass valve are set, convenient for the upkeep operation of air feed equipment especially freeze drier 29.
As further preferably, the rear side in the left side of the water tank, the front side of water tank and/or water tank is equipped with locking machine
Structure, the locking mechanism include 36, two the second otic placodes 37 of the first otic placode, locating shaft 38 and the first cylinder 39, and described first
Otic placode 36 is fixedly connected with upper cover 7, and first otic placode 36 is equipped with first positioning hole, and described two second otic placodes 37 are and water
The side of slot 6 connects, and described two second otic placodes 37 are oppositely arranged, and one second is equipped on described two second otic placodes 37 and is determined
Position hole, described two second positioning through hole form one group to perforation, and the cylinder is located on the side of sink 6, and described first is fixed
The center line of the center line in position hole and the center line of second location hole with locating shaft 38 coincides, one end of the locating shaft 38
It is arranged in first positioning hole and second location hole, the cylinder rod of the other end of the locating shaft 38 and the first cylinder 39 is fixed to be connected
It connects.
The rear side in the left side of water tank, the front side of water tank and/or water tank is equipped with locking mechanism, can prevent and test
Since the thrust of packing container 41 leads to the situation of the opening of upper cover 7 in journey.
Preferably, the bottom of the sink 6 is equipped with flase floor 35.
Flase floor 35 is arranged in the bottom of sink 6, for placing packing container 41 in air seal test, avoids packing container 41
Bottom is directly placed at the bottom of sink 6.
As further preferably, the edge of 6 upper bottom portion of sink is equipped with water inlet, second water supply line
2 are connected by water inlet with sink 6.
Water inlet setting is in edge, and when being supplied water by the second water supply line 2 into sink 6, water flow is in 6 inward turning of sink
Turn of tidal stream is dynamic, can effectively go out the bubble that 41 bottom of packing container may accumulate, and avoids because of 41 bottom of packing container product
Influence of the bubble deposited to test result.
As further preferably, the first exhaust pipeline 5 is equipped with muffler 40.
The muffler 40 is used to eliminate the noise generated when exhaust.
As further preferably, the described system further includes the first water return pipeline 42 and the second water return pipeline 43, institute
The one end for stating the first water return pipeline 42 is connected with the first water supply line 1, first water return pipeline 42 and the first water supply line 1
Between connectivity points be between the first control valve 8 and the first water pump 3, the other end of first water return pipeline 42 with second confession
Waterpipe 2 is connected, the connectivity points between first water return pipeline 42 and the second water supply line 2 be in the second control valve 9 and
Between sink 6, the connectivity points between second water return pipeline and the second water supply line are in the first water pump and the first control valve
Between, first water return pipeline 42 is equipped with third control valve 44, and second water return pipeline 43 is equipped with the 4th control valve
45, one end of second water return pipeline 43 is connected with the second water supply line 2, and second water return pipeline 43 and second supplies water
Connectivity points between pipeline 43 are between the first water pump 3 and the first control valve 8, the other end of second water return pipeline 43 with
Constant temperature water tank 201 is connected.
After the end of the test, when needing for the water in sink 6 to be discharged, the first control valve 8 and the second control valve 9 is closed, is beaten
Open third control valve 44 and the 4th control valve 45, start the first water pump 3, the water in sink 6 successively pass through the second water supply line 2,
First water return pipeline 42, the first water supply line 1, the first water pump 3, the second water supply line 2 and the second water return pipeline 43 are back to perseverance
In reservoir 201.
The water supply device further includes regenerated water recovering machine structure, and the regenerated water recovering machine structure includes catch basin 2011, third water pump
2012 and third water return pipeline 2013, the catch basin 2011 and constant temperature water tank 201 are connected by third water return pipeline 2013,
The third water pump 2012 is arranged on third water return pipeline 2013, is equipped with third liquid level sensor in the catch basin 2011
2014, the third liquid level sensor 2014 is used to acquire the liquid level signal of catch basin 2011 and the liquid level signal is passed to control
Device processed, controller are opened according to the liquid level signal control third water pump 2012 from third liquid level sensor 2014 received
Stop.
Second water pump 203 is used to aspirate the water in constant temperature water tank 201 in 202 internal circulation flow of circulating water pipe, industrial cold water
Machine 204 is for cooling down to water, and for electric heater 205 for heating to water, temperature sensor 209 acquires constant temperature water tank
Temperature signal in 201, and the temperature signal is passed into controller, controller comes from temperature sensor according to what is received
209 temperature signal controls the start and stop of the second water pump 203, Cool-water Machine for Industry 204 and electric heater 205.When in constant temperature water tank 201
Temperature drift when, controller control Cool-water Machine for Industry 204 start, cool down to water；When the temperature in constant temperature water tank 201 is inclined
When low, controller controls electric heater 205 and starts, and heats up to water.Second liquid level sensor 2010 is for acquiring perseverance
The liquid level signal is simultaneously passed to controller by liquid level signal in reservoir 201, and controller is according to receiving from the second liquid level
The aperture of the liquid level signal control inlet valve 208 of sensor 2010, when the water in constant temperature water tank 201 reaches constant temperature water tank 201
Volume 80% when, controller controls inlet valve 208 and closes, and the first water inlet pipe 206 stops intaking into constant temperature water tank 201.It is permanent
Reservoir 201 is outwardly supplied water by outlet pipe 207.
Preferably, being additionally provided with first filter 2015 on the circulating water pipe 202, the first filter 2015 is arranged
Between the second water pump 203 and Cool-water Machine for Industry 204.
First filter 2015 is set on circulating water pipe 202, can be filtered to by the water of circulating water pipe 202, one
Aspect can prevent the impurity in water from resulting in blockage to Cool-water Machine for Industry 204 and electric heater 205, in addition can reduce again outward
Impurity in boundary's water supply.
As a further preference, the first filter 2015 is basket filter.
As further preferably, the circulating water pipe 202 is equipped with first flow switch 2016, the first flow
Switch 2016 is used to acquire flow signal in circulating water pipe 202 and the flow signal is passed to controller, controller according to
The start and stop of the flow signal control electric heater 205 and Cool-water Machine for Industry 204 that receive.
First flow switch 2016, Cool-water Machine for Industry 204 and electricity when water shortage in circulating water pipe 202 can be effectively prevented are set
Heater 205 is in operating status, and the safety of the water supply device can be improved.
As further preferably, the side of the constant temperature water tank 201 is equipped with liquidometer 2017.
The side of constant temperature water tank 201 is equipped with liquidometer 2017, convenient for the liquid level in field observation constant temperature water tank 201,
As further preferably, the side upper end of the constant temperature water tank 201 is equipped with the 4th liquid level sensor 2018, institute
The 4th liquid level sensor 2018 is stated for acquiring the liquid level signal in constant temperature water tank 201 and the liquid level signal being passed to control
Device, controller according to receive the 4th liquid level sensor 2018 transmitting come liquid level signal control inlet valve 208 switch；Institute
The side lower end for stating constant temperature water tank 201 is equipped with the 5th liquid level sensor 2019, and the 5th liquid level sensor 2019 is for acquiring
The liquid level signal is simultaneously passed to controller by liquid level signal in constant temperature water tank 201, and controller is according to the 5th liquid level received
The liquid level signal that the transmitting of sensor 2019 comes controls the start and stop of the second water pump 203.
The second liquid level sensor 2010 breaks down in order to prevent, and the second liquid level sensor 2010 is caused not measure accurately
Liquid level in constant temperature water tank 201 is provided with the 4th liquid level sensor 2018, when the 4th liquid level sensor 2018 detects thermostatted water
When water in case 201 reaches the 85% of 201 volume of constant temperature water tank, controller controls inlet valve 208 and closes, the first water inlet pipe
206 stop water inlet.4th liquid level sensor 2018 detects the water in constant temperature water tank 201 lower than 201 volume of constant temperature water tank
When 40%, it is out of service that controller controls the second water pump 203, Cool-water Machine for Industry 204 and electric heater 205.
As further preferably, the input terminal of the circulating water pipe 202 is equipped with the second shut-off valve 2020, the circulation
Water pipe 202 is equipped with third shut-off valve 2021, and the exit of the second water pump 203 is arranged in the third shut-off valve 2021.
As further preferably, the outlet pipe 207 is equipped with outlet valve 2022.
As further preferably, the second filter 2023, second filter are equipped in the constant temperature water tank 201
2023 are connected with the input terminal of circulating water pipe 202.
As further preferably, second filter 2023 is cartridge filter.
Preferably the third water return pipeline 2013 is equipped with second flow switch 2024 as further, and described the
Two flow switches 2024 are used to acquire the flow signal on third water return pipeline 2013 and the flow signal is passed to controller,
Controller controls the start and stop of third water pump 2012 according to the flow signal from second flow switch 2024 received.
As further preferably, the third water return pipeline 2013 is equipped with third filter 2025.
Third filter 2025 can effectively be filtered the water in third water return pipeline 2013, to effectively prevent
The impurity of water entrainment in catch basin 2011 enters in constant temperature water tank 201.
As further preferably, the 6th liquid level sensor 2026, the 6th liquid are equipped in the catch basin 2011
Level sensor 2026 is used to acquire the liquid level signal of catch basin 2011 and the liquid level signal is passed to controller, controller according to
The start and stop of the liquid level signal control third water pump 2012 from the 6th liquid level sensor 2026 received.
Third liquid level sensor 2014 and the 6th liquid level sensor 2026 are set simultaneously in catch basin 2011, it can be effective
It prevents because third liquid level sensor 2014 is when breaking down, the situation for causing the liquid level of catch basin 2011 not measure accurately.
The water supply device is trickled down the water in detection platform when can be to packing container air seal test and is collected；It is described
Water supply device high degree of automation effectively can carry out temperature control to water used in air seal test, to improve packing container gas
The accuracy of close test.
Air seal test is carried out to packing container 41 using packing container 41 to be placed on to the method tested in sink 6,
Judge whether packing container 41 leaks convenient for accurate observation, and accurately confirm the leakage point of packing container 41, avoids
When traditional air seal test due to suds brush it is uneven caused by test inaccuracy problem and packing container 41 bottom
It is unable to judge accurately the problem of leaking.By the first cylinder body 15 and the second cylinder body 16 match in the way of, driving upper cover 7
It opens and closes, because the compressibility of liquid can be lower, upper cover 7 runs smoothly during turning on or off,
Using gas as driving power, it is only necessary to which installation driving air pump can provide compressed air as power source at the scene, keep away
The method for having exempted to need to install hydraulic system using simple hydraulic-driven, has saved cost of manufacture.
Claims (8)
1. a kind of system for packing container constant temperature air seal test, which is characterized in that the system includes the first water supply line
(1), the second water supply line (2), the first water pump (3), water tank, the first steam line (4), first exhaust pipeline (5), controller,
Display and water supply device, the water tank include sink (6) and upper cover (7), and the import of first water pump (3) is supplied water with first
The output end of pipeline (1) is connected, and the outlet of first water pump (3) is connected with sink (6) by the second water supply line (2)
Logical, first water supply line (1) is equipped with the first control valve (8), and second water supply line (2) is equipped with the second control valve
(9), the first liquid level sensor is equipped in the sink (6), first liquid level sensor is used to acquire the liquid level in sink (6)
Signal, and the liquid level signal in sink (6) is passed into controller, controller controls the first water according to the liquid level signal received
The start and stop of (3) are pumped, the upper cover (7) is successively arranged pressure maintaining valve (10), first on first steam line (4) in grid-like
Intake valve (11) and first pressure sensor, the first pressure sensor are used to acquire the pressure in the first steam line (4)
Signal, and by the pressure signal transmission to controller, controller is opened according to pressure signal control pressure maintaining valve (10) received
Degree, and control display and show the pressure of the first steam line (4), one end of the first exhaust pipeline (5) connects
It passes on the first steam line (4) on rear side of the first intake valve (11), the first exhaust pipeline (5) is equipped with first row air valve
(12), the right side on the right side Yu sink (6) of the upper cover (7) passes through the first articulated slab (13) and the second articulated slab (14) hingedly,
One end of first articulated slab (13) is connect with upper cover (7), the other end and the second articulated slab of first articulated slab (13)
(14) upper end is hinged by articulated shaft, is fixedly connected on the right side of the lower end and sink (6) of second articulated slab (14), described
Water supply device includes constant temperature water tank (201) and temperature adjusting mechanism, and the temperature adjusting mechanism includes circulating water pipe (202),
Two water pumps (203), Cool-water Machine for Industry (204) and electric heater (205), the input terminal and thermostatted water of the circulating water pipe (202)
The bottom of case (201) is connected, and is connected at the top of the output end of the circulating water pipe (202) and constant temperature water tank (201), described
Second water pump (203), Cool-water Machine for Industry (204) and electric heater (205) are sequentially connected in series on circulating water pipe (202), the perseverance
Top on reservoir (201) is equipped with the first water inlet pipe (206), and the bottom of the constant temperature water tank (201) is equipped with outlet pipe
(207), the outlet pipe (207) is connected with the input terminal of the first water supply line (1), sets on first water inlet pipe (206)
Have inlet valve (208), temperature sensor (209) and the second liquid level sensor (2010), institute are equipped in the constant temperature water tank (201)
Temperature sensor (209) are stated for acquiring the temperature signal in constant temperature constant temperature water tank (201) and the temperature signal being passed to control
Device processed, controller are cold according to the temperature signal control the second water pump (203) from temperature sensor (209), the industry received
The start and stop of water dispenser (204) and electric heater (205), second liquid level sensor (2010) is for acquiring constant temperature water tank (201)
The liquid level signal is simultaneously passed to controller by interior liquid level signal, and controller is according to receiving from the second liquid level sensor
(2010) aperture of liquid level signal control inlet valve (208).
2. a kind of system for packing container constant temperature air seal test according to claim 1, which is characterized in that the water
The left side of slot (6) is equipped with driving mechanism, and the driving mechanism includes the first cylinder body (15), the second cylinder body (16), first gas pipe
Road (17) and second gas pipeline (18), the lower end of first cylinder body (15) and being hinged at for sink (6), first cylinder
First piston (19) and First piston bar (20), the lower end of the First piston bar (20) and first piston are equipped in body (15)
(19) it connects, the upper end of the First piston bar (20) extend out to the top of the first cylinder body (15) and the first articulated slab (13) are cut with scissors
It connects, one end of the first gas pipeline (17) is connected with the first cylinder body (15), the first gas pipeline (17) and first
For connectivity points between cylinder body (15) in the top of first piston (19), the first gas pipeline (17) is equipped with first gas control
Valve (21) processed, second cylinder body (16) is interior to be equipped with second piston (22), one end and second of the second gas pipeline (18)
Cylinder body (16) is connected, and the second gas pipeline (18) is equipped with second gas control valve (23), the second gas pipeline
(18) connectivity points between the second cylinder body (16) are in the top of second piston (22), the bottom of first cylinder body (15) and the
The bottom of two cylinder bodies (16) is connected.
3. a kind of system for packing container constant temperature air seal test according to claim 1, which is characterized in that the water
The bottom of slot (6) is equipped with bottom drain valve (24).
4. a kind of system for packing container constant temperature air seal test according to claim 1, which is characterized in that the water
The side of slot (6) is equipped with transparent window (25).
5. a kind of system for packing container constant temperature air seal test according to claim 1, which is characterized in that the water
The left side of slot (6) is equipped with observation platform (26) and steel ladder (27), the vertical distance at the top of observation platform (26) screw clamp (6)
It is 800 millimeters to 1200 millimeters, the top of the steel ladder (27) is connect with observation platform (26).
6. a kind of system for packing container constant temperature air seal test according to claim 1, which is characterized in that the system
It further include air feed equipment, the air feed equipment includes air compressor (28), freeze drier (29) and compressed air cylinder (30),
The air compressor (28) is supplied by the second steam line (31) to compressed air cylinder (30), the freeze drier (29)
It is connected on the second steam line (31), the input terminal of first steam line (4) is connected with compressed air cylinder (30), institute
The input terminal for stating the first steam line (4) is equipped with the second intake valve (32), and the top of the compressed air cylinder (30) is equipped with second
Pressure sensor (33), the second pressure sensor (33) are used to acquire the reservoir pressure signal of compressed air cylinder (30), and
The reservoir pressure signal is passed into controller, the controller controls air compressor according to the reservoir pressure signal received
(28) bottom of start and stop, the compressed air cylinder (30) is equipped with drain valve (34).
7. a kind of system for packing container constant temperature air seal test according to claim 6, which is characterized in that described
Two steam lines (31) input the one end of freeze drier (29) and the second steam line (31) exports freeze drier (29)
One end is equipped with the first shut-off valve, and the air feed equipment further includes bypass duct, the bypass duct and freeze drier (29)
It is arranged in parallel, the bypass duct is equipped with bypass valve.
8. a kind of system for packing container constant temperature air seal test according to claim 1, which is characterized in that the water
The bottom of slot (6) is equipped with flase floor (35).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910042645.4A CN109596277B (en) | 2019-01-17 | 2019-01-17 | System for be used for packaging container constant temperature airtight test |
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| CN201910042645.4A CN109596277B (en) | 2019-01-17 | 2019-01-17 | System for be used for packaging container constant temperature airtight test |
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| CN114414277A (en) * | 2022-01-13 | 2022-04-29 | 上海发电设备成套设计研究院有限责任公司 | Immersion test system device and test method |
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| CN112665192A (en) * | 2020-12-24 | 2021-04-16 | 深圳市合信达控制系统有限公司 | Method and device for preventing air resistance and wall-mounted furnace |
| CN114414277A (en) * | 2022-01-13 | 2022-04-29 | 上海发电设备成套设计研究院有限责任公司 | Immersion test system device and test method |
| CN114414277B (en) * | 2022-01-13 | 2023-11-24 | 上海发电设备成套设计研究院有限责任公司 | Immersion test system device and test method |
| CN117990301A (en) * | 2024-04-03 | 2024-05-07 | 宁德时代新能源科技股份有限公司 | Air tightness detection system |
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