CN117470451A - AGS leakage testing device - Google Patents
AGS leakage testing device Download PDFInfo
- Publication number
- CN117470451A CN117470451A CN202311825120.0A CN202311825120A CN117470451A CN 117470451 A CN117470451 A CN 117470451A CN 202311825120 A CN202311825120 A CN 202311825120A CN 117470451 A CN117470451 A CN 117470451A
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- Prior art keywords
- air duct
- ags
- auxiliary fan
- plate
- spray
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- 238000012360 testing method Methods 0.000 title claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 239000007921 spray Substances 0.000 claims abstract description 60
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 9
- 230000007423 decrease Effects 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 5
- 238000004088 simulation Methods 0.000 abstract description 3
- 238000004817 gas chromatography Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000007664 blowing Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 238000013100 final test Methods 0.000 description 3
- 238000013102 re-test Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention relates to the technical field of AGS (advanced gas chromatography) testing, and discloses an AGS leakage testing device, which comprises: one end of the air duct is connected with the auxiliary fan, the other end of the air duct is connected with the connecting structure of the test piece, and the air duct comprises an air duct top plate; the splice plate is arranged on the air duct top plate and is positioned between the auxiliary fan and the rectification net group; the air that blows out through the spray pipe group to the spray water in the wind channel, then auxiliary fan mix with spray water and flow to the rectification net group, the condition that is mingled with the rainwater in the realization simulation rainwater weather AGS contact air, when auxiliary fan wind speed descends, increase pipeline subassembly sprays the water velocity, can realize when simulating the rainy day environment, the air that is mingled with the moisture under the low wind speed also can contact the AGS, and then realize the test to its volume of revealing, and under high wind speed, pipeline subassembly sprays the water velocity and suitably descends, thereby the problem that the AGS results in the test environment unreal to influence the test result appears to the appearance of watering by a wide margin is avoided.
Description
Technical Field
The invention relates to the technical field of AGS (advanced gas chromatography) testing, in particular to an AGS leakage testing device.
Background
AGS is the initiative air inlet grille of car, and it is an important part in car front portion, and the main function is the control air inflow, and initiative air inlet grille generally arranges between front bumper beam and radiator, can arrange alone, also can integrate in the front end module.
The current active air inlet grille needs to meet the requirement of a certain leakage amount, and an AGS leakage amount testing device needs to be adopted to test the active air inlet grille, so that the current device for testing the AGS leakage amount on the market can only simulate the blowing environment, but the AGS is always contacted with rainwater in the running process of an automobile, and the influence of different weather environments on the AGS leakage amount cannot be known through testing.
The invention aims at the technical problem, and provides the AGS leakage amount testing device which can simulate the blowing environment and simultaneously test the leakage amount of AGS in a rainy day environment.
Disclosure of Invention
The invention aims to provide an AGS leakage testing device for solving the technical problem that AGS leakage in a rainy day environment can not be tested only by simulating a blowing environment.
The aim of the invention can be achieved by the following technical scheme:
an AGS leak testing apparatus comprising:
the air duct is connected with the auxiliary fan at one end, connected with the test piece connecting structure at the other end, provided with a rectifying net group therein, and provided with a multi-nozzle flowmeter at a position between the rectifying net group and the test piece connecting structure, and comprises an air duct top plate; and
the splice plate is arranged on the air duct top plate and positioned between the auxiliary fan and the rectifying net group, a plurality of spray pipe groups are arranged on the surface of the splice plate facing the rectifying net group, the spray pipe groups penetrate through the splice plate and are connected with the pipeline components, when the wind speed of the auxiliary fan rises, the water spraying speed of the pipeline components drops, and when the wind speed of the auxiliary fan drops, the water spraying speed of the pipeline components rises.
As a further scheme of the invention: the rectifying net group comprises at least one rectifying net, and when the rectifying nets are arranged in a plurality of rectifying nets, the mesh densities of the rectifying nets are different.
As a further scheme of the invention: the pipe assembly includes:
the main pipe is connected with the external water tank, a speed regulating valve is arranged on the main pipe, and the speed regulating valve is connected with the auxiliary fan;
the first branch pipes are connected with the main pipe through the first branch pipes, and half of the spray pipes of the spray pipe groups close to the auxiliary fan are connected with the main pipe through the first branch pipes; and
and the spray pipe group is close to half spray pipes of the test piece connecting structure and are connected with the main pipe through the second branch pipes, and the connection parts of the main pipe and the first branch pipes and the second branch pipes are provided with on-off valves which are connected with the auxiliary fan.
As a further scheme of the invention: the splice plate and the air duct top plate are detachably arranged.
As a further scheme of the invention: and a rectifying grid is arranged at a gap between the auxiliary fans and the splice plates in the air duct.
As a further scheme of the invention: the air duct further comprises an air duct rear plate arranged on one side of the air duct top plate, the air duct top plate is provided with a sliding rod in a sliding mode, a water absorbing piece in contact with the rectifying net group is arranged on the air duct top plate, and a driving source used for driving the sliding rod to slide is arranged on the air duct rear plate.
As a further scheme of the invention: the air flue is characterized in that the air flue further comprises an air flue front plate arranged on one side of the air flue top plate, the air flue rear plate and the air flue front plate are oppositely arranged, a containing groove is formed in the air flue front plate, a through hole in sliding fit with the water absorbing piece is formed in the bottom of the air flue front plate, the inner wall of the containing groove is connected with the plugging piece through an elastic telescopic rod, the plugging piece is flush with the surface of the air flue front plate, the moving path of the plugging piece interferes with the position of the through hole, a plurality of balls in contact with the water absorbing piece are rotatably arranged on the sliding rod, a sliding rail which is vertically arranged is fixed on the sliding rod, the sliding rail is in sliding fit with a sliding strip which is fixed on the water absorbing piece, and two magnetic layers which are mutually attracted by magnetism are respectively arranged on the sliding rail and the sliding strip.
As a further scheme of the invention: the surface of wind channel roof, wind channel back plate and wind channel front bezel all is provided with a plurality of reinforcement side's pipe.
The invention has the beneficial effects that:
(1) According to the invention, the auxiliary fan is used for blowing air into the air duct, the air flow sequentially passes through the rectifying net group and the multi-nozzle flowmeter, and the test piece connected with the final test piece connecting structure is used for testing the leakage quantity, so that the AGS leakage quantity is tested; in the testing process, the spray pipe group sprays water into the air duct, so that the air blown by the auxiliary fan is mixed with the spray water to flow to the rectification net group, the situation that AGS in rainy days is mixed with rainwater in the air is simulated, the problem that the testing environment is unreal and the testing result is influenced due to the fact that the spray water is difficult to drive to the rectification net group when the AGS is sprayed downwards when the wind speed of the auxiliary fan is reduced is solved, the problem that the AGS is sprayed greatly when the wind speed of the auxiliary fan is reduced is solved, the air mixed with water can be contacted with the AGS when the rainy days is simulated, the leakage quantity of the air is further tested, and the problem that the testing result is influenced when the AGS is sprayed greatly is solved when the spray water is reduced at high wind speed;
(2) In the invention, at high wind speed, only a half of the spray pipe group close to the auxiliary fan sprays water into the air duct, at the moment, the speed regulating valve controls the main pipe to deliver water at low speed, and the opening and closing valve on the second branch pipe is closed, so that flowing wind can ensure that water flow is obliquely poured on the rectification net group, and the problem that simulation scenes are unreal caused by greatly pouring the rectification net group is avoided; at a low wind speed, the other half of the spray pipe groups spray water into the air duct synchronously, at the moment, the speed regulating valve controls the main pipe to deliver water at a high speed, and the two opening and closing valves are in an opening state, so that the air at the low wind speed can still blow water to flow on the rectification net group;
(3) According to the invention, the driving source drives the sliding rod to slide on the air duct top plate to drive the water absorbing piece to slide on the surface of the rectifying net group, so that the water on the surface of the rectifying net group is absorbed, the drying of the rectifying net group is realized, and the retest is convenient; when the driving source drives the sliding rod to drive the water absorbing piece to slide into the accommodating groove, the sliding rod pushes the blocking piece and extrudes the elastic telescopic rod to shrink, at the moment, the water absorbing piece is aligned with the through hole, a worker can pull the water absorbing piece downwards from the through hole so as to realize replacement of the water absorbing piece, in the process, the rolling balls roll, and the sliding rail and the sliding strip slide relatively; after the water absorbing piece is disassembled, a brand-new water absorbing piece is inserted from the through hole, the sliding rail is aligned with the sliding strip, and then the water absorbing piece is slid until the water absorbing piece completely enters the accommodating groove, at the moment, the water absorbing piece can be positioned on the sliding rod by virtue of the magnetic attraction between the two magnetic layers on the sliding rail and the sliding strip, so that the water absorbing and drying treatment of the rectification net group is facilitated when the water absorbing piece slides again, the water absorbing piece is replaced, and the problem that the water absorbing property of the water absorbing piece is reduced after long-time use is avoided; when the driving source drives the sliding rod to drive the water absorbing piece to reset, the elastic telescopic rod stretches and drives the plugging piece to reset so as to plug the through hole again, and the air duct is internally provided with a closed space, so that the problem that the test result is inaccurate due to leakage of air flow from the through hole can be avoided.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic top view of the overall structure of the present invention;
FIG. 2 is a right side schematic view of the overall structure of the present invention;
FIG. 3 is a schematic elevational view of the overall structure of the present invention;
FIG. 4 is a schematic view of the splice plate of the present invention;
FIG. 5 is a schematic view of the shower assembly of the present invention;
FIG. 6 is a schematic view of the structure of the water absorbing member of the present invention;
FIG. 7 is a schematic view of a sliding rail according to the present invention;
FIG. 8 is a schematic view of the structure of the closure of the present invention;
fig. 9 is a schematic view of the structure of the accommodating groove in the present invention.
In the figure: 1. an air duct; 101. an air duct top plate; 102. an air duct rear plate; 103. an air duct front plate; 2. an auxiliary fan; 3. a multi-nozzle flow meter; 4. a test piece connection structure; 5. a rectifying net group; 6. a rectifying grille; 7. splice plates; 8. a spray pipe group; 9. a conduit assembly; 901. a header pipe; 902. a first branch pipe; 903. a second branch pipe; 904. a speed regulating valve; 905. opening and closing the valve; 10. a groove; 11. a slide bar; 12. a water absorbing member; 13. a blocking member; 14. an elastic telescopic rod; 15. a ball; 16. a driving source; 17. a slide rail; 18. a slide bar; 19. an accommodating groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention is an AGS leakage testing apparatus, comprising:
the air duct 1, one end of which is connected with the auxiliary fan 2, the other end of which is connected with the test piece connecting structure 4, a rectifying net group 5 is arranged in the air duct 1, a multi-nozzle flowmeter 3 is arranged at a position between the rectifying net group 5 and the test piece connecting structure 4 in the air duct 1, and the air duct 1 comprises an air duct top plate 101; and
the splice plate 7 is arranged on the air duct top plate 101 and is positioned between the auxiliary fan 2 and the rectifying net group 5, a plurality of spray pipe groups 8 are arranged on the surface of the splice plate 7 facing the rectifying net group 5, a plurality of spray pipe groups 8 penetrate through the splice plate 7 and are connected with the pipeline components 9, when the wind speed of the auxiliary fan 2 rises, the water spraying speed of the pipeline components 9 drops, and when the wind speed of the auxiliary fan 2 drops, the water spraying speed of the pipeline components 9 rises.
In one case of this embodiment, the AGS leakage testing apparatus further includes structures such as a sensor system, a test piece, and a display, which are all in the prior art, and are not improved in this application, so that they do not need to disclose specific mechanical structures and circuit structures, and do not affect the integrity of this application.
In practical application, the auxiliary fan 2 blows air into the air duct 1, the air flow sequentially passes through the rectifying net group 5 and the multi-nozzle flowmeter 3, and the test piece connected with the final test piece connecting structure 4 tests the leakage quantity, so that the AGS leakage quantity is tested; in the testing process, spray pipe group 8 sprays water into wind channel 1, then auxiliary fan 2 blows wind mix with spray water and flow to rectification net group 5, realize simulating the condition that mix with the rainwater in rainwater weather AGS contact air, when considering low wind speed measurement, spray water sprays down and is difficult to be driven to rectification net group 5 department, when auxiliary fan 2 wind speed descends, increase pipeline assembly 9 sprays water velocity, can realize when simulating rainy day environment, the air that mixes with moisture under the low wind speed also can contact the AGS, and then realize the test to its volume of revealing, and under high wind speed, pipeline assembly 9 sprays water velocity suitable decline, thereby the problem that the test environment is unreal and influences the test result is avoided appearing to water spray AGS by a wide margin.
As shown in fig. 1 to 9, as a preferred embodiment of the present invention, the rectifying net group 5 includes at least one rectifying net, and when the rectifying net is provided in plural, the mesh densities of the rectifying nets are different.
Wherein, the rectifying net is arranged in the groove 10 in the air duct 1.
In practical application, the rectifying net can be set to be a plurality of different mesh densities, so that the adjusting condition of the active air inlet grille can be simulated by matching with the multi-nozzle flowmeter 3, and the test piece connected with the auxiliary fan 2 and the test piece connecting structure 4 can be combined, so that the AGS leakage amount can be tested.
As shown in fig. 4 to 5, the pipe assembly 9 includes, as a preferred embodiment of the present invention:
a main pipe 901 which is connected with an external water tank and is provided with a speed regulating valve 904, and the speed regulating valve 904 is connected with the auxiliary fan 2;
a first branch pipe 902, wherein half of spray pipes of the spray pipe group 8 close to the auxiliary fan 2 are connected with a main pipe 901 through the first branch pipe 902; and
and the second branch pipes 903, half of the spray pipes of the spray pipe group 8 close to the test piece connecting structure 4 are connected with the main pipe 901 through the second branch pipes 903, the connection parts of the main pipe 901, the first branch pipes 902 and the second branch pipes 903 are provided with on-off valves 905, and the on-off valves 905 are connected with the auxiliary fan 2.
In one case of this embodiment, the spray pipe group 8 includes a plurality of spray pipes, wherein, half of the spray pipes close to the auxiliary fan 2 are all connected with the main pipe 901 through the first branch pipe 902, the connection part is provided with an on-off valve 905, and the other half of the spray pipes are close to the test piece connection structure 4 and are all connected with the main pipe 901 through the second branch pipe 903, and the connection part is provided with an on-off valve 905.
In practical application, at high wind speed, only half of the spray pipe group 8 close to the auxiliary fan 2 sprays water into the air duct 1, at the moment, the speed regulating valve 904 controls the main pipe 901 to deliver water at low speed, and the on-off valve 905 on the second branch pipe 903 is closed, so that flowing wind can ensure that water flow is obliquely poured on the rectifying net group 5, and the problem that simulation scenes are unreal due to the fact that the rectifying net group 5 is greatly poured is avoided; at a low wind speed, the other half of the spray pipe group 8 sprays water into the air duct 1 synchronously, at the moment, the speed regulating valve 904 controls the main pipe 901 to deliver water at a high speed, and the two opening and closing valves 905 are both in an opening state, so that the air in the low wind speed still can blow water to spray on the rectifying net group 5; of course, the speed regulating valve 904 and the two on-off valves 905 can be specifically adjusted according to the test requirements.
As shown in fig. 4, as a preferred embodiment of the present invention, the splice plate 7 is detachably mounted to the duct top plate 101; in practical application, the splice plate 7 and the air duct top plate 101 may be connected by bolts, or may be assembled by snap-in, so long as detachable installation can be realized, and specific limitation is not performed herein.
As shown in fig. 4-5, as a preferred embodiment of the present invention, a rectifying grid 6 is disposed in the air duct 1 at a gap between the auxiliary fan 2 and the splice plate 7.
In practical application, after the airflow entering the air duct 1 passes through the rectification grating 6, the airflow at each point of the cross section in the air duct 1 has smooth flow direction, so that the air inlet quantity can be accurately measured.
As shown in fig. 4 to 9, as a preferred embodiment of the present invention, the air duct 1 further includes an air duct rear plate 102 mounted on one side of the air duct top plate 101, the air duct top plate 101 is slidably mounted with a slide bar 11, and a water absorbing member 12 contacting with the rectifying net set 5 is disposed thereon, and a driving source 16 for driving the slide bar 11 to slide is disposed on the air duct rear plate 102.
In one case of the present embodiment, the absorbent member 12 may be made of absorbent cotton, or may be made of other materials with water absorption property, which is not particularly limited herein; the driving source 16 may be a hydraulic cylinder, an air cylinder, or other mechanisms capable of achieving linear motion, and the embodiment is not specifically limited herein.
In the practical application of the embodiment, in the initial state, the side walls of the slide bar 11 and the water absorbing piece 12 are flush with the surface of the air duct rear plate 102, so that the interference influence of the slide bar 11 and the water absorbing piece on air flow is avoided; after the test is finished, in order to avoid that residual moisture on the rectifying net group 5 affects subsequent retests, the driving source 16 drives the sliding rod 11 to slide on the air duct top plate 101 to drive the water absorbing piece 12 to slide on the surface of the rectifying net group 5, so that the moisture on the surface of the rectifying net group 5 is absorbed, the drying is realized, and retests are convenient.
As shown in fig. 4-9, as a preferred embodiment of the present invention, the air duct 1 further includes an air duct front plate 103 installed on one side of the air duct top plate 101, and the air duct rear plate 102 is disposed opposite to the air duct front plate 103, a receiving groove 19 is disposed on the air duct front plate 103, and a through hole in sliding fit with the water absorbing member 12 is disposed at the bottom of the air duct front plate, an inner wall of the receiving groove 19 is connected with the blocking member 13 through an elastic telescopic rod 14, the blocking member 13 is flush with a surface of the air duct front plate 103, a moving path of the blocking member 13 interferes with a position of the through hole, a plurality of balls 15 contacting with the water absorbing member 12 are rotatably installed on the sliding rod 11, a vertically disposed sliding rail 17 is fixed on the sliding rod 11, the sliding rail 17 is in sliding fit with a sliding bar 18 fixed on the water absorbing member 12, and two magnetic layers having magnetic attraction are disposed on the sliding rail 17 and the sliding bar 18 respectively.
In practical application, the accommodating groove 19 is a moving path terminal of the water absorbing member 12; in the initial state, the elastic telescopic rod 14 stretches, the plugging piece 13 is flush with the surface of the air duct front plate 103, and the through hole is plugged; when the driving source 16 drives the sliding rod 11 to drive the water absorbing piece 12 to slide into the accommodating groove 19, the sliding rod 11 pushes the blocking piece 13 and extrudes the elastic telescopic rod 14 to shrink, at the moment, the water absorbing piece 12 is aligned with the through hole, a worker can pull out the water absorbing piece 12 downwards from the through hole so as to realize replacement of the water absorbing piece 12, in the process, the rolling balls 15 roll, and the sliding rail 17 and the sliding strip 18 slide relatively; after the water absorbing member 12 is disassembled, a new water absorbing member 12 is inserted from the through hole, the sliding rail 17 and the sliding bar 18 are aligned, and then the water absorbing member 12 is slid until the water absorbing member 12 completely enters the accommodating groove 19, at the moment, the magnetic attraction between the two magnetic layers on the sliding rail 17 and the sliding bar 18 can enable the water absorbing member 12 to be positioned on the sliding bar 11, so that the water absorbing drying treatment of the rectification net group 5 is facilitated when the water absorbing member slides again, the water absorbing member 12 is replaced, and the problem that the water absorbing property of the water absorbing member 12 is reduced after long-time use is avoided; when the driving source 16 drives the sliding rod 11 to drive the water absorbing piece 12 to reset, the elastic telescopic rod 14 stretches and drives the plugging piece 13 to reset so as to plug the through hole again, and the air duct 1 is internally provided with a closed space, so that the problem of inaccurate test results caused by leakage air flow of the through hole can be avoided.
As shown in fig. 1-3, as a preferred embodiment of the present invention, the surfaces of the duct top plate 101, the duct rear plate 102 and the duct front plate 103 are provided with a plurality of reinforcing square tubes.
The working principle of the invention is as follows: according to the AGS leakage testing device provided by the embodiment of the invention, the auxiliary fan 2 is used for blowing air into the air duct 1, the air flow sequentially passes through the rectifying net group 5 and the multi-nozzle flowmeter 3, and the final testing piece connected with the testing piece connecting structure 4 is used for testing the leakage, so that the AGS leakage is tested; in the testing process, spray pipe group 8 sprays water into wind channel 1, then auxiliary fan 2 blows wind mix with spray water and flow to rectification net group 5, realize simulating the condition that mix with the rainwater in rainwater weather AGS contact air, when considering low wind speed measurement, spray water sprays down and is difficult to be driven to rectification net group 5 department, when auxiliary fan 2 wind speed descends, increase pipeline assembly 9 sprays water velocity, can realize when simulating rainy day environment, the air that mixes with moisture under the low wind speed also can contact the AGS, and then realize the test to its volume of revealing, and under high wind speed, pipeline assembly 9 sprays water velocity suitable decline, thereby the problem that the test environment is unreal and influences the test result is avoided appearing to water spray AGS by a wide margin.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (8)
1. An AGS leak testing apparatus, comprising:
the air duct (1) is connected with the auxiliary fan (2) at one end, is connected with the test piece connecting structure (4) at the other end, is internally provided with the rectifying net group (5), and is internally provided with the multi-nozzle flowmeter (3) at a position between the rectifying net group (5) and the test piece connecting structure (4), and the air duct (1) comprises an air duct top plate (101); and
splice plate (7), it is installed on wind channel roof (101) to be located between auxiliary fan (2) and rectification net group (5), and splice plate (7) are provided with a plurality of spray pipe group (8) towards the surface of rectification net group (5), a plurality of spray pipe group (8) run through splice plate (7) and are connected with pipeline assembly (9), works as when auxiliary fan (2) wind speed rises, pipeline assembly (9) spray water velocity decline, works as auxiliary fan (2) wind speed decline, pipeline assembly (9) spray water velocity rises.
2. An AGS leakage testing apparatus according to claim 1, wherein the rectifying net group (5) comprises at least one rectifying net, and when a plurality of rectifying nets are provided, mesh densities of the plurality of rectifying nets are different.
3. An AGS leak testing apparatus according to claim 1, wherein the tubing assembly (9) comprises:
the main pipe (901) is connected with an external water tank, a speed regulating valve (904) is arranged on the main pipe, and the speed regulating valve (904) is connected with the auxiliary fan (2);
the first branch pipe (902) is used for connecting half of spray pipes, close to the auxiliary fan (2), of the spray pipe groups (8) with the main pipe (901) through the first branch pipe (902); and
the second branch pipe (903), half of the spray pipes of spray pipe group (8) near test piece connection structure (4) all are connected with house steward (901) through second branch pipe (903), house steward (901) all are provided with on-off valve (905) with the junction of first branch pipe (902) and second branch pipe (903), and on-off valve (905) are connected with auxiliary fan (2).
4. The AGS leakage testing apparatus according to claim 1, wherein the splice plate (7) is detachably mounted to the duct top plate (101).
5. The AGS leakage testing device according to claim 1, wherein a rectifying grid (6) is arranged in the air duct (1) at a gap between the auxiliary fan (2) and the splice plate (7).
6. The AGS leakage testing apparatus according to claim 1, wherein the air duct (1) further comprises an air duct rear plate (102) mounted on one side of the air duct top plate (101), the air duct top plate (101) is slidably provided with a slide bar (11), a water absorbing member (12) contacting with the rectifying net set (5) is disposed thereon, and a driving source (16) for driving the slide bar (11) to slide is disposed on the air duct rear plate (102).
7. The AGS leakage testing apparatus according to claim 6, wherein the air duct (1) further comprises an air duct front plate (103) mounted on one side of the air duct top plate (101), the air duct rear plate (102) is disposed opposite to the air duct front plate (103), a receiving groove (19) is disposed on the air duct front plate (103), a through hole slidingly engaged with the water absorbing member (12) is disposed at the bottom of the air duct front plate (103), the inner wall of the receiving groove (19) is connected with the blocking member (13) through an elastic telescopic rod (14), the surface of the blocking member (13) is flush with the surface of the air duct front plate (103), the moving path of the blocking member (13) interferes with the position of the through hole, a plurality of balls (15) contacting with the water absorbing member (12) are rotatably mounted on the sliding rod (11), a sliding rail (17) disposed vertically is fixed on the sliding rod (11), the sliding rail (17) is slidingly engaged with a sliding bar (18) fixed on the water absorbing member (12), and two magnetic layers are disposed on the sliding rail (17) and the sliding bar (18) respectively.
8. The AGS leakage testing apparatus according to claim 7, wherein the surfaces of the duct top plate (101), the duct rear plate (102), and the duct front plate (103) are each provided with a plurality of reinforcing square tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311825120.0A CN117470451B (en) | 2023-12-28 | 2023-12-28 | AGS leakage testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311825120.0A CN117470451B (en) | 2023-12-28 | 2023-12-28 | AGS leakage testing device |
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| Publication Number | Publication Date |
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| CN117470451A true CN117470451A (en) | 2024-01-30 |
| CN117470451B CN117470451B (en) | 2024-03-19 |
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| CN202311825120.0A Active CN117470451B (en) | 2023-12-28 | 2023-12-28 | AGS leakage testing device |
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| CN116793629A (en) * | 2022-03-18 | 2023-09-22 | 百林机电科技（苏州）有限公司 | Wind tunnel device for simulating rainfall |
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