CN113138293A - Aerostat ballast valve flow velocity calibration device - Google Patents
Aerostat ballast valve flow velocity calibration device Download PDFInfo
- Publication number
- CN113138293A CN113138293A CN202110263880.1A CN202110263880A CN113138293A CN 113138293 A CN113138293 A CN 113138293A CN 202110263880 A CN202110263880 A CN 202110263880A CN 113138293 A CN113138293 A CN 113138293A
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- CN
- China
- Prior art keywords
- hopper
- aerostat
- calibration device
- receiving box
- flow rate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000000463 material Substances 0.000 claims abstract description 93
- 238000005192 partition Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups
- G01P21/02—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers
- G01P21/025—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers for measuring speed of fluids; for measuring speed of bodies relative to fluids
Landscapes
- Measuring Volume Flow (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Abstract
The invention provides a flow velocity calibration device for an aerostat ballast valve, which comprises: the device comprises a door frame, a tension sensor, a hopper and a material receiving box; the hopper is connected to the gantry through the tension sensor; the hopper is internally provided with a plurality of independent material placing grids in a dividing mode, the bottom of each material placing grid is provided with a discharge port which can be opened and closed, and the material receiving box is provided with a plurality of independent drawers which are in one-to-one correspondence with the material placing grids. The aerostat ballast valve flow velocity calibration device can calibrate the valve flow velocity by measuring the weight difference of the hopper or the weight difference of the drawer, and has the advantages of high reliability, convenience in use, simplicity in operation, high structural strength, small weight and compact size.
Description
Technical Field
The invention relates to the technical field of aerospace, in particular to a flow velocity calibration device for an aerostat ballast valve.
Background
The aerostat is an aircraft filled with light gas and lifted by virtue of air static buoyancy, and is divided into a free balloon, a captive balloon and an airship. The free balloon has no power and can fly freely with the wind in the air; the captive balloon is unpowered and is stayed at a preset position in the air through a cable connected with ground facilities; the airship is an aerostat carrying power, and controllable maneuvering flight is realized by means of the power of the airship.
Ballasting, also called ballast tanks, is an important structure required for free balloons and airships. The method is widely applied to aerostats. The free balloon pod is generally internally and externally provided with a ballast with a certain weight, the ascending speed of the free balloon pod can be accelerated by throwing ballast materials in the ascending process, and the level flying height of the free balloon pod can be lifted by throwing the ballast materials in the level flying process. For an airship, the ballast is typically placed at the belly of the airship near the bow and stern of the airship. In the lift-off stage after the airship is launched, the lift-off speed can be increased by throwing ballast materials. During the flat flying stage of the airship, the pitching angle of the airship can be adjusted by throwing ballast materials, or the flat flying height of the airship can be lifted.
Ballast valves are vital structures of ballasting requiring that certain instructions be given to throw ballast material at any time. Before flying with the aerostat, the ballast valve needs to be calibrated in flow rate, including normal temperature and pressure flow rate calibration and environmental suitability verification. The flow velocity calibration device for the ballast valve of the aerostat is urgently needed.
Disclosure of Invention
The invention provides a flow velocity calibration device for an aerostat ballast valve, which is used for solving the problem that the flow velocity of the aerostat ballast valve in the prior art is difficult to calibrate.
The invention provides a flow velocity calibration device for an aerostat ballast valve, which comprises: the device comprises a door frame, a tension sensor, a hopper and a material receiving box;
the hopper is connected to the gantry through the tension sensor;
the hopper is internally provided with a plurality of independent material placing grids in a dividing mode, the bottom of each material placing grid is provided with a discharge port which can be opened and closed, and the material receiving box is provided with a plurality of independent drawers which are in one-to-one correspondence with the material placing grids.
According to the flow rate calibration device for the ballast valve of the aerostat, provided by the invention, a plurality of partition plates are arranged in the hopper, so that the interior of the hopper is constructed to be provided with a plurality of independent material placing grids.
According to the flow rate calibration device for the ballast valve of the aerostat, provided by the invention, the hopper is provided with the observation window at the material placing grid.
According to the flow rate calibration device for the ballast valve of the aerostat, provided by the invention, the bottom of the hopper is tapered.
According to the flow velocity calibration device for the ballast valve of the aerostat, which is provided by the invention, the hopper is made of stainless steel plates.
According to the flow velocity calibration device for the ballast valve of the aerostat, provided by the invention, a hopper handle is arranged on the outer side surface of the hopper.
According to the flow velocity calibration device for the ballast valve of the aerostat, provided by the invention, the hopper is provided with a connecting piece, and the connecting piece is connected with the measuring end of the tension sensor so as to enable the hopper to be in a balanced state.
According to the flow velocity calibration device for the ballast valve of the aerostat, provided by the invention, the connecting piece comprises four vertical plates, one ends of the four vertical plates are correspondingly connected with four corners of the inner side surface of the hopper one by one, and the other ends of the four vertical plates are connected with the measuring end of the tension sensor after being converged.
According to the flow velocity calibration device for the ballast valve of the aerostat, which is provided by the invention, the material receiving box is provided with a material receiving box frame, the top of the material receiving box frame is arranged in an open manner, and a plurality of drawers are placed in the material receiving box frame.
According to the flow velocity calibration device for the ballast valve of the aerostat, provided by the invention, the material receiving box handle is arranged on the outer side surface of the material receiving box frame.
The invention provides a flow rate calibration device for a ballast valve of an aerostat, wherein a first valve flow rate calibration mode is as follows: acquiring a first tension value, opening a discharge hole at the bottom of one material placing grid, and acquiring a second tension value after the materials in the material placing grid enter a corresponding drawer; opening a discharge hole at the bottom of the other material placing grid, obtaining a third tension value after the materials in the material placing grid enter the corresponding drawer, and calibrating the flow rate based on the first tension value, the second tension value and the third tension value; the second valve flow rate calibration mode is as follows: and simultaneously opening the discharge ports at the bottoms of the material placing grids, and measuring the weight of the plurality of drawers after the materials in the material placing grids enter the corresponding plurality of drawers, wherein the flow rate can be calibrated at the moment. The aerostat ballast valve flow velocity calibration device can calibrate the valve flow velocity by measuring the weight difference of the hopper or the weight difference of the drawer, and has the advantages of high reliability, convenience in use, simplicity in operation, high structural strength, small weight and compact size.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a flow rate calibration device for a ballast valve of an aerostat according to the present invention;
reference numerals:
1: a gantry; 2: a tension sensor; 3: a hopper;
4: a hopper handle; 5: an observation window; 6: a valve;
7: a material receiving box handle; 8: a receiving box frame; 9: a drawer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The aerostat ballast valve flow rate calibration device needs to solve the following problems:
the flow velocity calibration device of the ballast valve of the aerostat can accurately measure the flow velocity of the valve;
the aerostat ballast valve flow velocity calibration device can simultaneously perform multi-valve calibration, so that the working efficiency is improved;
because ballast materials are heavy and are generally iron sand, a flow rate calibration device of a ballast valve of an aerostat is required to have higher strength;
because the environmental simulation test box has weight and size limitations, the flow velocity calibration device of the ballast valve of the aerostat is required to be compact in structure and optimized in weight.
In order to solve the above problems, the aerostat ballast valve flow rate calibration apparatus of the present invention is described below with reference to fig. 1.
As shown in fig. 1, the apparatus for calibrating flow rate of ballast valve of aerostat according to the embodiment of the present invention comprises: portal 1, tension sensor 2, hopper 3 and material receiving box. Wherein, portal 1 and hopper 3 all can adopt corrosion resistant plate welding to form, when guaranteeing structural strength, the structure is lighter.
The hopper 3 is connected to the gantry 1 through the tension sensor 2, that is, the fixed end of the tension sensor 2 is connected to the middle point of the beam of the gantry 1, the measuring end of the tension sensor 2 is connected to the hopper 3, and the hopper 3 needs to be in a balanced state all the time. The above-mentioned cross-member needs to be able to withstand the sum of the weight of the entire hopper 3 and the weight of the material located in the hopper.
The inside division of hopper 3 has a plurality of independent material placing grid, and the bottom of each material placing grid all has open closed discharge gate, and the material receiving box has a plurality of independent drawers 9 with material placing grid one-to-one.
In an alternative embodiment, in order to improve the calibration efficiency, four independent material placing grids are divided inside the hopper 3, the receiving box has four drawers 9, the open end of each drawer 9 faces the discharge hole of the material placing grid, that is, the material in the material placing grid can enter the corresponding drawer 9 after the discharge hole of the material placing grid is opened.
In the embodiment of the present invention, the first valve flow rate calibration method is as follows: acquiring a first tension value, opening a discharge hole at the bottom of one material placing grid, and acquiring a second tension value after the material in the material placing grid enters the corresponding drawer 9; opening a discharge hole at the bottom of the other material placing grid, obtaining a third tension value after the materials in the material placing grid enter the corresponding drawer 9, and calibrating the flow rate based on the first tension value, the second tension value and the third tension value; the second valve flow rate calibration mode is as follows: and simultaneously opening the discharge ports at the bottoms of the material placing grids, and measuring the weight of the plurality of drawers 9 after the materials in the material placing grids enter the corresponding plurality of drawers 9, wherein the flow rate can be calibrated at the moment.
The aerostat ballast valve flow velocity calibration device provided by the embodiment of the invention can calibrate the valve flow velocity by measuring the weight difference of the hopper 3 or the weight difference of the drawer 9, and has the advantages of high reliability, convenience in use, simplicity in operation, high structural strength, small weight and compact size.
In an alternative embodiment, a valve 6 may be provided at the outlet to control the opening degree of the outlet. For example, the spout may be fully open, half open, or closed. Wherein, when carrying out a valve flow rate test, the degree of opening of the valve 6 of a plurality of material placing grids needs to keep unanimous.
On the basis of the above-described embodiment, the inside of the hopper 3 is provided with a plurality of partitions so that the inside of the hopper 3 is configured to have a plurality of independent material placing compartments.
For example, when the number of the material placing grids is four, three partition plates are arranged in the hopper 3 to divide the interior of the hopper 3 into four material placing grids with equal volumes.
In an alternative embodiment, four material placing grids with equal volumes can be prepared in advance, and then the four material placing grids are spliced together.
On the basis of the above embodiment, the hopper 3 is provided with the observation window 5 at the material placing grid.
That is, there are four material placing grids, and four observation windows 5 are provided on the hopper 3.
For example, a through hole is formed in the side surface of the hopper 3, and an acrylic plate is installed in the through hole, so that the height of the material in the hopper 3 can be observed, and the quantity of the material can be known. And when the aerostat ballast valve flow rate calibration device is in the environment simulation test box, the material condition is mainly known through the observation window 5. The environment simulation test box can be used for simulating various working conditions in reality. For example, the weather conditions are wind power levels of 3-5. Wherein, observation window 5 can set up in the bottom department of hopper 3, is convenient for observe the remaining condition of material.
On the basis of the above embodiment, in order to prevent the material from accumulating in the material placing cells, the bottom of the hopper 3 is tapered. For example, the bottom of the hopper 3 is of a conical configuration.
On the basis of the above embodiment, the hopper 3 is convenient to mount and transfer, and the hopper handle 4 is arranged on the outer side surface of the hopper 3.
In an alternative embodiment, the two opposite lateral sides of the hopper 3 are provided with a hopper handle 4, the hopper handle 4 and the hopper 3 may be of an integral structure, and the specific connection manner of the hopper handle 4 and the hopper 3 is not particularly limited herein.
On the basis of the above embodiment, the hopper 3 is provided with a connecting member, and the connecting member is connected with the measuring end of the tension sensor 2, so that the hopper 3 is in a balanced state.
It should be noted that the connecting member is detachably connected to the hopper 3, for example, one end of the connecting member is connected to the outer side surface of the hopper 3, or one end of the connecting member is connected to the inner side surface of the hopper 3. When the hopper 3 is connected with the measuring end of the tension sensor 2 through the connecting piece, the hopper 3 is in a hoisting state.
In an optional embodiment, the connecting member includes four vertical plates, one end of each vertical plate is connected to four corners of the inner side of the hopper 3 in a one-to-one correspondence manner, and the other ends of the four vertical plates are connected to the measuring end of the tension sensor 2 after being converged.
The hopper 3 may be composed of a first portion having a rectangular structure at an upper portion and a second portion having a trapezoidal structure at a lower portion.
On the basis of the above embodiment, the material receiving box is provided with a material receiving box frame 8, the top of the material receiving box frame 8 is arranged in an open manner, and the inside of the material receiving box frame 8 is used for placing a plurality of drawers 9.
Wherein, the material receiving box frame 8 is used as a carrier of the drawer 9 and can be prepared by a stainless steel plate, and when a plurality of drawers 9 are placed in the material receiving box frame 8, each drawer 9 can be taken out independently.
In an alternative embodiment, in order to facilitate the transfer of the pod, the pod frame 8 is provided with a pod handle 7 on its outer side.
Wherein, the two opposite sides of the material receiving box frame 8 are both provided with a material receiving box handle 7, the material receiving box handle 7 and the material receiving box frame 8 can be of an integrated structure, and the specific connection mode of the material receiving box handle 7 and the material receiving box frame 8 is not limited in detail.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides an aerostatics ballast valve velocity of flow calibration device which characterized in that includes: the device comprises a door frame, a tension sensor, a hopper and a material receiving box;
the hopper is connected to the gantry through the tension sensor;
the hopper is internally provided with a plurality of independent material placing grids in a dividing mode, the bottom of each material placing grid is provided with a discharge port which can be opened and closed, and the material receiving box is provided with a plurality of independent drawers which are in one-to-one correspondence with the material placing grids.
2. The aerostat ballast valve flow rate calibration device according to claim 1, wherein a plurality of partitions are provided in the hopper such that the interior of the hopper is configured to have a plurality of independent material placement compartments.
3. The aerostat ballast valve flow rate calibration device according to claim 2, wherein the hopper is provided with an observation window at the material placement grid.
4. The aerostat ballast valve flow rate calibration device according to claim 2, wherein the bottom of the hopper is tapered.
5. The aerostat ballast valve flow rate calibration device according to claim 2, wherein the hopper is made of a stainless steel plate.
6. The aerostat ballast valve flow rate calibration device as claimed in claim 2, wherein a hopper handle is provided on an outer side of the hopper.
7. The aerostat ballast valve flow rate calibration device according to claim 2, wherein a connection member is provided on the hopper, and the connection member is connected to a measuring end of the tension sensor so that the hopper is in a balanced state.
8. The device for calibrating the flow rate of the ballast valve of the aerostat according to claim 7, wherein the connecting member comprises four vertical plates, one ends of the four vertical plates are correspondingly connected with four corners of the inner side surface of the hopper one by one, and the other ends of the four vertical plates are connected with the measuring end of the tension sensor after being converged.
9. The aerostat ballast valve flow rate calibration device as claimed in any one of claims 1 to 8, wherein the material receiving box is provided with a material receiving box frame, the top of the material receiving box frame is open, and a plurality of drawers are placed inside the material receiving box frame.
10. The aerostat ballast valve flow rate calibration device as claimed in claim 9, wherein a material receiving box handle is arranged on an outer side surface of the material receiving box frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110263880.1A CN113138293B (en) | 2021-03-11 | 2021-03-11 | Flow velocity calibration device for ballast valve of aerostat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110263880.1A CN113138293B (en) | 2021-03-11 | 2021-03-11 | Flow velocity calibration device for ballast valve of aerostat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113138293A true CN113138293A (en) | 2021-07-20 |
| CN113138293B CN113138293B (en) | 2023-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110263880.1A Active CN113138293B (en) | 2021-03-11 | 2021-03-11 | Flow velocity calibration device for ballast valve of aerostat |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB403936A (en) * | 1932-04-01 | 1934-01-04 | Miag Muehlenbau & Ind Ag | Improvements in flow controlling devices |
| CH637062A5 (en) * | 1980-09-22 | 1983-07-15 | Maillefer Sa | Feed device for an extruder |
| CN103175589A (en) * | 2011-12-26 | 2013-06-26 | 新奥科技发展有限公司 | Measuring meter calibration device and method |
| CN204917916U (en) * | 2015-09-02 | 2015-12-30 | 山东华诚高科胶粘剂有限公司 | Automatic discharging device |
| CN205499924U (en) * | 2016-04-01 | 2016-08-24 | 北京天凯华尊科技有限公司 | Feeding device |
| WO2017084035A1 (en) * | 2015-11-18 | 2017-05-26 | 赵正峰 | Amount-controllable material-feeding device |
| CN212558491U (en) * | 2020-05-13 | 2021-02-19 | 福建工程学院 | Material inlet of bulk machine |
-
2021
- 2021-03-11 CN CN202110263880.1A patent/CN113138293B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB403936A (en) * | 1932-04-01 | 1934-01-04 | Miag Muehlenbau & Ind Ag | Improvements in flow controlling devices |
| CH637062A5 (en) * | 1980-09-22 | 1983-07-15 | Maillefer Sa | Feed device for an extruder |
| CN103175589A (en) * | 2011-12-26 | 2013-06-26 | 新奥科技发展有限公司 | Measuring meter calibration device and method |
| CN204917916U (en) * | 2015-09-02 | 2015-12-30 | 山东华诚高科胶粘剂有限公司 | Automatic discharging device |
| WO2017084035A1 (en) * | 2015-11-18 | 2017-05-26 | 赵正峰 | Amount-controllable material-feeding device |
| CN205499924U (en) * | 2016-04-01 | 2016-08-24 | 北京天凯华尊科技有限公司 | Feeding device |
| CN212558491U (en) * | 2020-05-13 | 2021-02-19 | 福建工程学院 | Material inlet of bulk machine |
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| Publication number | Publication date |
|---|---|
| CN113138293B (en) | 2023-07-28 |
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