CN212779836U - Automatic air pressure adjusting device - Google Patents
Automatic air pressure adjusting device Download PDFInfo
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- CN212779836U CN212779836U CN202021680424.4U CN202021680424U CN212779836U CN 212779836 U CN212779836 U CN 212779836U CN 202021680424 U CN202021680424 U CN 202021680424U CN 212779836 U CN212779836 U CN 212779836U
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Abstract
The utility model discloses an automatic air pressure adjusting device, which comprises a sealed cavity and an inflation system, wherein the sealed cavity is arranged below a water pool and consists of an underwater vibrating table pit and waterproof cloth, and the inflation system comprises a fan, an air inlet pipeline, a one-way valve, a sealed cavity, a pressure sensor, a safety valve, an unloading valve, an air outlet pipeline and a control module; the fan is arranged on one side of the water pool; one end of the air inlet pipeline is communicated with the fan, and the other end of the air inlet pipeline is communicated with the sealed cavity; one end of the air outlet pipeline is communicated with the seal cavity, and the other end of the air outlet pipeline is arranged on the ground. The utility model discloses make inflation pressure's fluctuation at reasonable within range to guaranteed the weight of the support top water that the tarpaulin can be stable, can not cause the extra effort of shaking table equipment influence the performance of equipment under water because of pressure is too high moreover, and control module all adopts single chip microcomputer control, has realized its automatic control.
Description
Technical Field
The utility model relates to an underwater vibration platform technical field especially relates to an atmospheric pressure automatic regulating apparatus.
Background
The underwater vibration table is mainly used for simulating the earthquake-resistant performance tests of structural models such as bridges and the like or equipment such as offshore wind power and the like under the action of earthquake loads and researching the earthquake-resistant performance of the models or the equipment in the water environment. The underwater vibration table can realize three-way motion and is used for reproducing ground motion in the earthquake process. The existing underwater vibration table generally adopts concave flexible waterproof cloth to realize water prevention, the waterproof cloth is mostly made of composite materials, and the weight of water above the waterproof cloth is supported through the tension of the waterproof cloth, so that vibration table equipment is isolated from the water above the waterproof cloth. Due to the limitation of the material strength of the tarpaulin, the weight of the water cannot be supported after the water depth exceeds a certain value. After the water depth exceeds a certain depth, a method of fully inflating the space below the waterproof cloth is needed, and water pressure is offset through inflation. The prior art has no air pressure automatic regulating device, and the waterproof cloth can not support the weight of water due to insufficient inflation pressure; the inflation pressure is too high, and the atmospheric pressure of shaking table below can produce extra effort to equipment, reduces the equipment performance of operation.
Therefore, it is highly desirable to develop an automatic air pressure adjusting device to ensure that the air pressure fluctuation is within a reasonable range during the operation of the vibration table.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an atmospheric pressure automatic regulating apparatus to solve the problem that above-mentioned prior art exists, can realize the shaking table at the operation in-process, the fluctuation of atmospheric pressure is at reasonable within range, thereby carries out effectual waterproof.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides an atmospheric pressure automatic regulating apparatus, including set up in the seal chamber of pond below and with the inflation system of seal chamber intercommunication, its characterized in that: the air inflation system comprises a fan, an air inlet pipeline, an air outlet pipeline and a control module; the fan is arranged on one side of the water pool; the air inlet pipeline main body and the air outlet pipeline main body are both buried underground; one end of the air inlet pipeline is communicated with an air outlet of the fan, and the other end of the air inlet pipeline is communicated with one side wall of the sealed cavity; one end of the air outlet pipeline is communicated with the other side wall of the seal cavity, and the other end of the air outlet pipeline is arranged on the ground.
Preferably, the sealed cavity consists of an underwater vibrating table pit and waterproof cloth.
And a one-way valve is arranged at the joint of the fan and the air inlet pipeline.
Preferably, the compressed gas is prevented from flowing in a reverse direction.
And the ground pipeline of the air outlet pipeline is provided with a safety valve, and the ground port of the air outlet pipeline is provided with an unloading valve.
Preferably, when the air pressure exceeds the limit value, the safety valve gives a warning and automatically opens to play a role in protecting equipment; when the equipment needs to stop working, the unloading valve needs to be actively controlled and opened after the fan is closed, and the air pressure in the closed cavity is balanced to the set air pressure or all the pressure is released.
A pressure sensor is also arranged in the sealed cavity; the pressure sensor is electrically connected with the control module.
The control module is a single chip microcomputer; the control module is arranged on one side of the fan and electrically connected with the fan.
Preferably, the control module controls the fan according to the pressure value change measured by the pressure sensor, so as to adjust the air supply flow; and the control module is controlled by a single chip microcomputer, so that the automatic control is realized.
The utility model discloses a following technological effect: the utility model discloses make the fluctuation of inflation pressure in reasonable within range to guaranteed the weight of the support top water that the tarpaulin can be stable, can not cause the performance to the extra effort influence equipment performance of shaking table equipment under water moreover because of the pressure is too high. And the control modules are all controlled by a single chip microcomputer, so that the automatic control of the control modules is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is an assembly diagram of the present invention.
Fig. 2 is a schematic diagram of the pneumatic device of the present invention.
Fig. 3 is a control flow chart of the present invention.
The device comprises a fan 1, a one-way valve 2, an air inlet pipeline 3, a sealed cavity 4, a pressure sensor 5, a safety valve 6, an unloading valve 7, an air outlet pipeline 8, a control module 9, a water tank 10, an underwater vibrating table 11 and waterproof cloth 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The utility model provides an atmospheric pressure automatic regulating apparatus, including set up in seal chamber 4 of pond below and with the inflation system of seal chamber 4 intercommunication, its characterized in that: the inflation system comprises a fan 1, an air inlet pipeline 3, an air outlet pipeline 8 and a control module 9; the fan 1 is arranged on one side of the water pool; the main bodies of the air inlet pipeline 3 and the air outlet pipeline 8 are buried underground; one end of the air inlet pipeline 3 is communicated with an air outlet of the fan 1, and the other end of the air inlet pipeline 3 is communicated with one side wall of the sealed cavity 4; one end of the air outlet pipeline 8 is communicated with the other side wall of the seal cavity 4, and the other end of the air outlet pipeline 8 is arranged on the ground.
The one-way valve 2 is installed at the joint of the fan 1 and the air inlet pipeline 3.
The ground pipeline of the air outlet pipeline 8 is provided with a safety valve 6, and the ground port of the air outlet pipeline 8 is provided with an unloading valve 7.
A pressure sensor 5 is also arranged in the sealed cavity 4; the pressure sensor 5 is electrically connected with the control module 9.
The control module 9 is a single chip microcomputer; the control module 9 is disposed on one side of the fan 1 and electrically connected to the fan 1.
The utility model discloses a control flow does: after the operation is started, the fan 1 is started, compressed gas is transmitted to the air inlet pipeline 3 through the one-way valve 2, when the pressure sensor 5 detects that the air pressure value in the sealed cavity 4 rises to P0, the speed of the fan 1 is reduced, the air supply flow is reduced, the sealed cavity 4 is in a dynamic pressure maintaining state, when the air pressure value falls to P1, the speed of the fan 1 is increased, the air supply flow is increased, the air pressure in the sealed cavity 4 rises to P0 again, and the next dynamic cycle is started, so that the air pressure fluctuation in the sealed cavity 4 is stabilized in the range from P1 to P0. In the movement process of the equipment, if the abnormal condition that the air pressure exceeds the limit value occurs, the safety valve 6 is opened to play a protection role. When the equipment is finished, the fan 1 is stopped, and the unloading valve 7 is opened.
The utility model discloses a following technological effect: the fluctuation of the inflation pressure is within a reasonable range, so that the weight of water above the waterproof cloth can be stably supported, and the performance of the device cannot be influenced by extra acting force of underwater vibrating table equipment due to overhigh pressure. And the control module is controlled by a single chip microcomputer, so that the automatic control is realized.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (5)
1. The utility model provides an atmospheric pressure automatic regulating apparatus, including set up in seal chamber (4) of pond below and with the inflation system of seal chamber (4) intercommunication, its characterized in that: the air inflation system comprises a fan (1), an air inlet pipeline (3), an air outlet pipeline (8) and a control module (9); the fan (1) is arranged on one side of the water pool; the air inlet pipeline (3) main body and the air outlet pipeline (8) main body are buried underground; one end of the air inlet pipeline (3) is communicated with an air outlet of the fan (1), and the other end of the air inlet pipeline (3) is communicated with one side wall of the sealed cavity (4); one end of the air outlet pipeline (8) is communicated with the other side wall of the seal cavity (4), and the other end of the air outlet pipeline (8) is arranged on the ground.
2. The automatic air pressure adjusting device according to claim 1, wherein: and a one-way valve (2) is arranged at the joint of the fan (1) and the air inlet pipeline (3).
3. The automatic air pressure adjusting device according to claim 1, wherein: the ground pipeline of the air outlet pipeline (8) is provided with a safety valve (6), and the ground port of the air outlet pipeline (8) is provided with an unloading valve (7).
4. The automatic air pressure adjusting device according to claim 1, wherein: a pressure sensor (5) is also arranged in the sealed cavity (4); the pressure sensor (5) is electrically connected with the control module (9).
5. The automatic air pressure adjusting device according to claim 1, wherein: the control module (9) is a singlechip; the control module (9) is arranged on one side of the fan (1) and is electrically connected with the fan (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021680424.4U CN212779836U (en) | 2020-08-13 | 2020-08-13 | Automatic air pressure adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021680424.4U CN212779836U (en) | 2020-08-13 | 2020-08-13 | Automatic air pressure adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212779836U true CN212779836U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021680424.4U Active CN212779836U (en) | 2020-08-13 | 2020-08-13 | Automatic air pressure adjusting device |
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| CN (1) | CN212779836U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113225960A (en) * | 2021-05-31 | 2021-08-06 | 常州汉腾自动化设备有限公司 | Submersible electric actuator with inner cavity air pressure monitoring function |
| CN114001775A (en) * | 2021-10-18 | 2022-02-01 | 重庆阿泰可科技股份有限公司 | Comprehensive test box for simulating temperature, air pressure, humidity and vibration |
-
2020
- 2020-08-13 CN CN202021680424.4U patent/CN212779836U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113225960A (en) * | 2021-05-31 | 2021-08-06 | 常州汉腾自动化设备有限公司 | Submersible electric actuator with inner cavity air pressure monitoring function |
| CN113225960B (en) * | 2021-05-31 | 2023-03-14 | 常州汉腾自动化设备有限公司 | Submersible electric actuator with inner cavity air pressure monitoring function |
| CN114001775A (en) * | 2021-10-18 | 2022-02-01 | 重庆阿泰可科技股份有限公司 | Comprehensive test box for simulating temperature, air pressure, humidity and vibration |
| CN114001775B (en) * | 2021-10-18 | 2022-07-12 | 重庆阿泰可科技股份有限公司 | Comprehensive test box for simulating temperature, air pressure, humidity and vibration |
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