CN117508931A - Liquid tank with sleeved child type air bag anti-shaking device and control method - Google Patents
Liquid tank with sleeved child type air bag anti-shaking device and control method Download PDFInfo
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- CN117508931A CN117508931A CN202311799972.7A CN202311799972A CN117508931A CN 117508931 A CN117508931 A CN 117508931A CN 202311799972 A CN202311799972 A CN 202311799972A CN 117508931 A CN117508931 A CN 117508931A
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- air bag
- liquid
- air
- tank
- liquid level
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- 239000007788 liquid Substances 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000008602 contraction Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 230000000704 physical effect Effects 0.000 abstract description 7
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 210000001015 abdomen Anatomy 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/004—Contents retaining means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/48—Arrangements of indicating or measuring devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to a liquid tank with a nested child type air bag anti-shaking device and a control method, wherein the liquid tank comprises a tank body and the nested child type air bag anti-shaking device; the baby sleeving type air bag anti-shaking device is fixedly arranged at the top of the cylinder body and adopts a baby sleeving structure; the pressure sensor, the liquid level sensing sensor, the liquid level height sensor, the air inlet valve, the air outlet valve and the air pump are all electrically connected with the control unit. According to the invention, the telescopic airbag anti-sloshing device is adopted, the airbags can be inflated layer by layer from inside to outside according to the filling amount of the liquid, the innermost airbags are ensured to have enough compression resistance, the closed-loop control method is adopted, the volume of the telescopic airbag anti-sloshing device in the tank can be automatically and rapidly adjusted according to the capacity of loading the liquid, the liquid sloshing is effectively restrained, the physical property requirements of liquid expansion caused by heat and contraction caused by cold can be met, the running stability of the vehicle is improved, and the running safety is further improved.
Description
Technical Field
The invention relates to the field of liquid tanks, in particular to a liquid tank with a nested child type air bag anti-shaking device and a control method.
Background
The transportation is a pulse of national economy, promotes the rapid development of the road transportation industry and logistics industry, and the tank truck becomes a main transportation tool for transporting petroleum, liquefied natural gas and dangerous chemicals. The tank truck has the obvious adverse factors of bearing capacity, high mass center, large volume and the like, so that under the extreme operating conditions of emergency obstacle avoidance, high-speed turning and the like, the liquid in the tank shakes and impacts to easily generate complex coupling effect with the movement of the truck body, the truck is caused to have traffic accidents such as instability, sideslip or rollover, and the damage caused by rollover accidents is more unexpected.
In order to reduce adverse effect that liquid rocked and bring, install the unrestrained board that hinders in the current fluid reservoir more, cut apart the jar body into a plurality of cabins through a plurality of unrestrained boards that hinder, however prior art still has some drawbacks: (1) The wave-blocking plate is made of metal, so that the weight of the tank body is increased; (2) Because the physical properties of expansion and contraction of the liquid are considered, the tank body is still not filled, and the liquid shaking phenomenon still exists; (3) The increase of the wave blocking plate inevitably leads to the increase of labor cost and material cost.
The disclosed invention patent (application number: CN 200910140074) adopts a technical scheme that a soft airtight bag body is arranged in a tank body, and the purpose of controlling liquid shaking is realized by controlling the pressure in the bag body and further controlling the volume change. Then the technical scheme has the following defects: the main body comprises an upper part and a lower part, wherein the upper part and the lower part are connected by folds, so that the internal cavity of the main body is deduced to be a whole, and the existence of the folds is used for meeting different loading amounts of liquid in the tank body and realizing the purpose of following the change of the volume of the main body; as the main body of the tank is made of soft airtight material, the tank body is long cylindrical, and the space at the top of the tank body is in the shape of partial cylinder, which is easily thinkable by the person skilled in the art. When the body is filled with pressure, there are the following situations: (1) When the pressure in the main body is large, the main body can form a large middle belly shape due to the physical property of the soft material, the cross section is in a convex arc shape, and the main body has certain extrusion resistance as if the pressure in the main body is large, if the large belly is not contacted with liquid or the contact depth is not large, a large space still exists between the two ends of the main body and the liquid, so that the shaking inhibiting effect is influenced; (2) The pressure in the main body is not very large, and the pressure resistance of the main body is insufficient due to the physical properties of the soft material, which is similar to a rubber ball with insufficient inflation, and the shaking inhibiting effect is still not achieved.
How to effectively fill the liquid headspace in the tank truck to can effectively restrain liquid from rocking, can satisfy the requirement of liquid thermal expansion and cold contraction physical property moreover, avoid the liquid impact phenomenon to take place because of the change of vehicle running condition, improve vehicle running operation stability, and then improve the security of traveling, be the technical problem who needs to solve urgently.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides the liquid tank with the nested child type air bag anti-shaking device and the control method, the nested child type air bag anti-shaking device is adopted, the volume of the nested child type air bag anti-shaking device in the tank can be automatically and rapidly adjusted according to the liquid loading capacity, the liquid shaking is effectively restrained, the physical property requirements of liquid expansion caused by heat and contraction caused by cold can be met, the running stability of a vehicle is improved, and the running safety is further improved.
The invention is realized by the following technical measures:
a liquid tank with a nested child type air bag anti-shaking device comprises a tank body and the nested child type air bag anti-shaking device; the tank body comprises a front sealing head, a rear sealing head, a cylinder body, a breather valve, a manhole, an air inlet hole and an air exhaust hole; the front end enclosure and the rear end enclosure are respectively fixedly welded at the front end and the rear end of the cylinder, the breather valve, the manhole, the air inlet and the air outlet are arranged at the top of the cylinder, and the air inlet is connected with the air pump pipeline; the manhole is an access hole for tank maintenance; the breather valve is used for adjusting the pressure in the tank; the tank body is also internally provided with a liquid level sensor for detecting the liquid level of the filling liquid; the cylinder is also provided with a liquid inlet which is positioned at the top or the bottom of the cylinder;
the device is characterized in that the device is fixedly arranged at the top of the cylinder, the device adopts a structure of a sleeve baby, N (N is more than or equal to 1) airbags are contained in the device, the tops of the N airbags are fixedly connected together, and the N airbags are sequentially sleeved with a first airbag, a second airbag, a third airbag and … from inside to outside, and the like until the N airbags; the N air bags are respectively provided with a pressure sensor, each air bag is connected with an air inlet pipeline through an air inlet valve, and each air bag is connected with an air outlet pipeline through an air outlet valve; the bottom of the Nth air bag of the outermost layer is provided with a liquid level sensing sensor for sensing a distance signal between the outermost layer of the bag body and the liquid level;
the pressure sensor, the liquid level sensing sensor, the liquid level height sensor, the air inlet valve, the air outlet valve and the air pump are all electrically connected with the control unit.
The air bag is made of nylon material, and the surface of the air bag is coated with an anti-corrosion layer.
The section of the air bag is elliptical.
The section of the first air bag is round.
The bottom of the N-th air bag is filled with a supporting object, so that the pressure-resistant supporting strength is improved.
The liquid tank control method with the nested child type air bag anti-shaking device comprises the following steps: (1) When in loading, a liquid level sensor in the tank body collects the loading liquid level in real time and transmits signals to a control unit in real time; (2) After loading, the control unit firstly controls the air pump to work according to data acquired through finite element analysis or experiments as a reference basis of control quantity, controls the air inlet valve to inflate the first air bag, and feeds back pressure signals in real time through the pressure sensor, so that closed-loop control is realized, and inflation is stopped after the preset pressure is reached, so that the first air bag has enough pressure resistance; determining whether to inflate the second air bag by analyzing data acquired by the liquid level sensing sensor and the liquid level height sensor; (3) The volume of the sleeved baby type air bag anti-shaking device is matched with the volume of the cavity in the tank by a method of inflating from inside to outside layer by layer, so that the liquid shaking is inhibited; (4) Once the liquid level sensor senses that the distance from the liquid level is smaller than a preset value, the control unit immediately controls the air inlet valve to be disconnected and stops inflating; (5) When the pressure in the tank is too high or the liquid level rises due to expansion and contraction of liquid, the control unit controls the exhaust valve to exhaust from outside to inside, namely, firstly, the Nth air bag at the outermost layer is exhausted.
The beneficial effects of the invention are as follows:
a liquid tank with a nested child type air bag anti-shaking device and a control method are provided, the nested child type air bag anti-shaking device is adopted, the air bags can be inflated layer by layer from inside to outside according to the filling amount of liquid, the innermost air bags are guaranteed to have enough compression resistance, the closed loop control method is adopted, the volume of the nested child type air bag anti-shaking device in the tank can be automatically and quickly adjusted according to the liquid loading capacity, liquid shaking can be effectively restrained, the physical property requirements of liquid expansion caused by heat and contraction caused by cold can be met, vehicle driving stability is improved, and driving safety is further improved.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic view of a part of the structure of the present invention.
Fig. 2 is a front view of the present invention.
FIG. 3 is a cross-sectional view of section A-A of the present invention.
Fig. 4 is a schematic view of a part of the structure of the present invention.
Fig. 5 is a schematic diagram of the control principle of the present invention.
In the figure, a front sealing head, a rear sealing head, a 3-cylinder, a 4-breather valve, a 5-manhole, a 6-air inlet, a 7-air outlet, an 8-nesting type air bag component, a 801-first air bag, a 802-second air bag, a 803-third air bag, a 9-pressure sensor, a 10-liquid level sensor, a 11-liquid level sensor, a 12-control unit, a 13-air inlet valve, a 14-air outlet valve and a 15-air pump are arranged.
Description of the embodiments
In order to clearly illustrate the technical features of the present solution, the present solution is described below by means of a specific embodiment in combination with the accompanying drawings.
A liquid tank with a nested child type air bag anti-shaking device comprises a tank body and the nested child type air bag anti-shaking device; the tank body comprises a front sealing head 1, a rear sealing head 2, a cylinder 3, a breather valve 4, a manhole 5, an air inlet 6 and an air exhaust hole 7; the front seal head 1 and the rear seal head 2 are respectively fixedly welded at the front end and the rear end of the cylinder body 3, the breather valve 4, the manhole 5, the air inlet 6 and the exhaust hole 7 are arranged at the top of the cylinder body 3, and the air inlet 6 is connected with an air pump 15 through pipelines; the manhole 5 is an access hole for tank maintenance; the breather valve 4 is used for adjusting the pressure in the tank; the tank body is also provided with a liquid level sensor 11 for detecting the liquid level of the filling liquid; the cylinder body 3 is also provided with a liquid inlet, and the liquid inlet is positioned at the top or bottom of the cylinder body 3;
the baby sleeving type air bag anti-shaking device is fixedly arranged at the top of the cylinder body 3, adopts a baby sleeving structure, comprises N (N is more than or equal to 1) air bags, wherein the tops of the N air bags are fixedly connected together, and the N air bags are sequentially sleeved with a first air bag 801, a second air bag 802, a third air bag 803 and a … from inside to outside, and the like until the N air bags; the N air bags are respectively provided with a pressure sensor 9, each air bag is connected with an air inlet hole 6 through an air inlet valve 13 and is connected with an air outlet hole 7 through an air outlet valve 14; the bottom of the Nth air bag of the outermost layer is provided with a liquid level sensing sensor 10 for sensing a distance signal between the outermost layer of the bag body and the liquid level;
the pressure sensor 9, the liquid level sensor 10, the liquid level sensor 11, the air inlet valve 13, the air outlet valve 14 and the air pump 15 are all electrically connected with the control unit 12.
The air bag is made of nylon material, and the surface of the air bag is coated with an anti-corrosion layer.
The section of the air bag is elliptical.
The first balloon 801 is circular in cross-section.
The bottom of the N-th air bag is filled with a supporting object, so that the pressure-resistant supporting strength is improved.
The liquid tank control method with the nested child type air bag anti-shaking device comprises the following steps: (1) When in loading, the liquid level sensor 11 in the tank body collects the loading liquid level in real time and transmits signals to the control unit 12 in real time; (2) After loading, the control unit 12 firstly controls the air pump 15 to work according to data acquired through finite element analysis or experiments as a reference basis of control quantity, controls the air inlet valve to inflate the first air bag 801, and feeds back pressure signals in real time through the pressure sensor 9, so as to realize closed-loop control, and stops inflation after reaching preset pressure, thereby ensuring that the first air bag 801 has enough pressure resistance; determining whether to inflate the second bladder 802 by analyzing the data collected by the level sensing sensor 10 and the level sensor 11; (3) The volume of the sleeved baby type air bag anti-shaking device is matched with the volume of the cavity in the tank by a method of inflating from inside to outside layer by layer, so that the liquid shaking is inhibited; (4) Once the liquid level sensor 10 senses that the distance from the liquid level is smaller than a preset value, the control unit 12 immediately controls the air inlet valve 13 to be disconnected and stops inflating; (5) When the pressure in the tank is too high or the liquid level rises due to expansion and contraction of the liquid, the control unit 12 controls the exhaust valve 14 to exhaust from outside to inside, that is, the nth airbag on the outermost layer is firstly exhausted.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative, not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the appended claims, which are within the scope of the present invention.
Claims (6)
1. Liquid pot with cover child formula gasbag prevents shaking device, its characterized in that: comprises a tank body and a sleeved child type air bag anti-shaking device; the tank body comprises a front sealing head (1), a rear sealing head (2), a cylinder body (3), a breather valve (4), a manhole (5), an air inlet (6) and an air exhaust hole (7); the front seal head (1) and the rear seal head (2) are respectively fixedly welded at the front end and the rear end of the cylinder body (3), the breather valve (4), the manhole (5), the air inlet hole (6) and the exhaust hole (7) are arranged at the top of the cylinder body (3), and the air inlet hole (6) is connected with an air pump (15) through pipelines; the manhole (5) is an overhaul port for tank maintenance; the breather valve (4) is used for adjusting the pressure in the tank; the tank body is also provided with a liquid level sensor (11) for detecting the liquid level of the filling liquid; the cylinder body (3) is also provided with a liquid inlet, and the liquid inlet is positioned at the top or bottom of the cylinder body (3);
the device is fixedly arranged at the top of the cylinder body (3), adopts a structure of a sleeve baby, comprises N (N is more than or equal to 1) air bags, the tops of the N air bags are fixedly connected together, and the N air bags are sequentially sleeved with a first air bag (801), a second air bag (802), a third air bag (803) and … from inside to outside, and the like until the N air bags; the N air bags are respectively provided with a pressure sensor (9), each air bag is connected with an air inlet hole (6) through an air inlet valve (13) through a pipeline, and each air bag is connected with an air outlet hole (7) through an air outlet valve (14) through a pipeline; the bottom of the N-th air bag of the outermost layer is provided with a liquid level sensing sensor (10) for sensing a distance signal between the outermost layer of the bag body and the liquid level;
the pressure sensor (9), the liquid level sensor (10), the liquid level sensor (11), the air inlet valve (13), the air outlet valve (14) and the air pump (15) are all electrically connected with the control unit (12).
2. A tank having a nested child type bladder anti-sloshing device as defined in claim 1 wherein: the air bag is made of nylon material, and the surface of the air bag is coated with an anti-corrosion layer.
3. A tank having a nested child type bladder anti-sloshing device as defined in claim 1 wherein: the section of the air bag is elliptical.
4. A tank having a nested child type bladder anti-sloshing device as defined in claim 1 wherein: the cross section of the first air bag (801) is circular.
5. A liquid tank having a liquid sloshing preventing function as defined in claim 1, characterized in that: the bottom of the Nth air bag is filled with a supporting object, so that the pressure-resistant supporting strength is improved.
6. A method of controlling a liquid tank having a nested child type air bag anti-sloshing device as claimed in claim 1, wherein:
(1) When in loading, a liquid level sensor (11) in the tank body acquires the loading liquid level in real time and transmits signals to a control unit (12) in real time;
(2) After loading, the control unit (12) firstly controls the air pump (15) to work according to data acquired through finite element analysis or experiments as a reference basis of control quantity, controls the air inlet valve to inflate the first air bag (801), and feeds back pressure signals in real time through the pressure sensor (9), so that closed-loop control is realized, and inflation is stopped after the preset pressure is reached, so that the first air bag (801) has enough pressure resistance; determining whether to inflate the second airbag (802) by analyzing data acquired by the liquid level sensor (10) and the liquid level sensor (11);
(3) The volume of the sleeved baby type air bag anti-shaking device is matched with the volume of the cavity in the tank by a method of inflating from inside to outside layer by layer, so that the liquid shaking is inhibited;
(4) Once the liquid level sensor (10) senses that the distance from the liquid level is smaller than a preset value, the control unit (12) immediately controls the air inlet valve (13) to be disconnected, and inflation is stopped;
(5) When the pressure in the tank is too high or the liquid level rises due to expansion and contraction of liquid, the control unit (12) controls the exhaust valve (14) to exhaust from outside to inside, namely, firstly, the Nth air bag at the outermost layer is exhausted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311799972.7A CN117508931A (en) | 2023-12-26 | 2023-12-26 | Liquid tank with sleeved child type air bag anti-shaking device and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311799972.7A CN117508931A (en) | 2023-12-26 | 2023-12-26 | Liquid tank with sleeved child type air bag anti-shaking device and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117508931A true CN117508931A (en) | 2024-02-06 |
Family
ID=89756929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311799972.7A Pending CN117508931A (en) | 2023-12-26 | 2023-12-26 | Liquid tank with sleeved child type air bag anti-shaking device and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117508931A (en) |
-
2023
- 2023-12-26 CN CN202311799972.7A patent/CN117508931A/en active Pending
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