CN217687673U - Multichannel atmospheric pressure testing arrangement - Google Patents
Multichannel atmospheric pressure testing arrangement Download PDFInfo
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- CN217687673U CN217687673U CN202221652128.2U CN202221652128U CN217687673U CN 217687673 U CN217687673 U CN 217687673U CN 202221652128 U CN202221652128 U CN 202221652128U CN 217687673 U CN217687673 U CN 217687673U
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Abstract
The utility model discloses a multichannel atmospheric pressure testing arrangement, including control module, atmospheric pressure distribution module, atmospheric pressure source module, wherein atmospheric pressure distribution module passes through atmospheric pressure main line with atmospheric pressure source module and is connected, control module is connected with atmospheric pressure distribution module electricity, atmospheric pressure source module will preset the air of atmospheric pressure value and carry atmospheric pressure distribution module in through atmospheric pressure main line, atmospheric pressure distribution module carries the air through its inside a plurality of atmospheric pressure distribution branch pipelines and is surveyed the product end, the gas pressure in each way atmospheric pressure distribution branch pipeline is regulated and control to the control module accuracy, make its gas pressure predetermined value that accords with the output.
Description
Technical Field
The utility model belongs to the technical field of atmospheric data system atmospheric pressure test, especially, relate to a multichannel atmospheric pressure testing arrangement.
Background
The air data system provides a comprehensive and high-precision air data information system. The atmospheric data system is used as an important onboard device for measuring, calculating and displaying a plurality of aircraft flight parameters such as indicated airspeed, flight speed, barometric altitude, mach number, total atmospheric temperature, static atmospheric temperature and the like. Therefore, accurate data feedback of the atmospheric data system is an important safety guarantee for the aircraft.
Testing the working correctness and accuracy of the atmospheric data system is an essential link in the manufacturing stage of the airplane. Currently, a plurality of pressure controllers are used for sequentially testing a plurality of air pressure sensors in an air pressure test for an air data system, and the air data system is used for resolving according to output data of a plurality of paths of air pressure sensors. The operation mode is mechanical and tedious, and a plurality of groups of pressure controllers are required to work simultaneously to carry out the test, so that the working efficiency is low.
Therefore, the design of the multi-channel air pressure testing device capable of simulating multi-channel air pressure output simultaneously has very important significance.
Disclosure of Invention
The utility model aims at providing a multichannel atmospheric pressure testing arrangement to solve the problem that atmospheric pressure efficiency of software testing is not high, high to pressure controller quantity degree of dependence to atmospheric data system in the prior art.
The utility model discloses an adopt following technical scheme to realize:
a multi-channel air pressure testing device comprises a control module, an air pressure distribution module and an air pressure source module, wherein the air pressure distribution module is connected with the air pressure source module through an air pressure main pipeline, the control module is electrically connected with the air pressure distribution module, the air pressure source module conveys air with preset air pressure values to the air pressure distribution module through the air pressure main pipeline, the air pressure distribution module conveys the air to a tested product end through a plurality of air pressure distribution branch pipelines in the air pressure distribution module, and the control module accurately regulates and controls the air pressure in each air pressure distribution branch pipeline to enable the air pressure distribution module to accord with an output air pressure preset value.
Furthermore, the air pressure distribution module comprises an air source distributor, an electromagnetic valve, an air pressure sensor and a plurality of air pressure distribution branch pipelines, the air source distributor is connected at the output end of the air pressure main pipeline, the plurality of air pressure distribution branch pipelines are uniformly distributed at the output end of the air source distributor, each air pressure distribution branch pipeline is provided with the electromagnetic valve and the air pressure sensor, the electromagnetic valve and the air pressure sensor are connected with the control module, and the air pressure distribution branch pipelines are controlled to be opened and closed and the air pressure value at the tail end of each air pressure distribution branch pipeline is detected.
Further, the control module comprises a switch controller, a main controller and a pressure information collector, the switch controller is electrically connected with the electromagnetic valve, the pressure information collector is electrically connected with the air pressure sensor, the switch controller and the pressure information collector are respectively electrically connected with the main controller, and the switch controller is used for controlling the electromagnetic valve to be closed when the pressure information collector collects that the air pressure value of a certain air pressure distribution branch pipeline reaches a preset value.
Compared with the prior art the utility model discloses following profitable technological effect has:
the utility model discloses a with traditional single gas source single channel atmospheric pressure test, improve to single gas source multichannel atmospheric pressure test, and through control system's setting, the effectual while that has realized the different atmospheric pressure values of multichannel tests, the effectual not high problem of atmospheric pressure efficiency of testing to atmospheric data system in the prior art of having solved. Specifically, through the arrangement of the air pressure source module, constant single-channel air pressure can be provided for the air pressure distribution module; through the arrangement of the air pressure distribution module and the control module, multi-channel air pressures with different air pressure values can be output outwards; the air pressure sensor is arranged, so that the air pressure value in the air pressure distribution branch pipeline can be monitored in real time and sent to the control module; through the setting of the electromagnetic valve, the air pressure in the channel can be closed when reaching a preset value, so that the constant pressure in the channel is ensured.
Drawings
FIG. 1 is a schematic diagram of a module connection of an air pressure testing apparatus;
fig. 2 is a schematic structural diagram of a control module, an air pressure source module and an air pressure distribution module.
The numbering in the figures illustrates: the system comprises a 1-air pressure distribution module, a 101-air source distributor, a 102-electromagnetic valve, a 103-air pressure sensor, a 104-air pressure distribution branch pipeline, a 2-control module, a 201-main controller, a 202-switch controller, a 203-air pressure information collector and a 3-air pressure source module.
Detailed Description
As shown in fig. 1 and 2, a multi-channel air pressure testing device includes a control module 2, an air pressure distribution module 1, and an air pressure source module 3, wherein the air pressure distribution module 1 is connected to the air pressure source module 3 through an air pressure main pipe, the control module 2 is electrically connected to the air pressure distribution module 1, the air pressure source module 3 delivers air with a preset air pressure value to the air pressure distribution module 1 through the air pressure main pipe, the air pressure distribution module 1 delivers air to a tested product end through a plurality of air pressure distribution branch pipes 104 therein, and the control module 2 precisely regulates and controls the air pressure in each air pressure distribution branch pipe 104 to make it conform to an output preset air pressure value.
The utility model discloses a with traditional single air supply single channel atmospheric pressure test, improve to single air supply multichannel atmospheric pressure test, and through control system's setting, the effectual while that has realized the different atmospheric pressure values of multichannel tests, the effectual problem that is not high to atmospheric data system's atmospheric pressure efficiency of testing in having solved prior art.
The air pressure distribution module comprises an air source distributor 101, an electromagnetic valve 102, an air pressure sensor 103 and a plurality of air pressure distribution branch pipelines 104, the air source distributor 101 is connected to the output end of the air pressure main pipeline, the plurality of air pressure distribution branch pipelines 104 are uniformly distributed at the output end of the air source distributor 101, each air pressure distribution branch pipeline 104 is provided with the electromagnetic valve 102 and the air pressure sensor 103, the electromagnetic valve 102 and the air pressure sensor 103 are connected with the control module 2, and the air pressure distribution branch pipelines 104 are controlled to be opened and closed and the air pressure value at the tail end of each air pressure distribution branch pipeline 104 is detected.
The air pressure sensor 103 is disposed between the electromagnetic valve 102 and the test port of the air pressure distribution branch pipe 104, and is preferably mounted on the test port of the air pressure distribution branch pipe 104 (the test port here, in practical application, is specifically a port mounted in connection with the detection port of the air pressure sensor to be measured, once the port is connected and in a state where the electromagnetic valve 102 is closed, the air pressure sensor to be measured and the air pressure sensor 103 will be in the same closed space), and this position is closest to the air pressure sensor to be measured, and the data feedback is most accurate.
The air source distributor 101 is connected with the air pressure source module 3, and can provide continuous constant air pressure for the air source distributor 101.
The electromagnetic valve 102 and the air pressure sensor 103 are respectively electrically connected with the control module 2; the air pressure sensor 103 is configured to monitor an air pressure value in the air pressure distribution branch pipe 104, transmit the monitored air pressure value to the control module 2 in real time, and when the air pressure value reaches a preset air pressure value, the control module 2 controls the electromagnetic valve 102 to close, so that the detected air pressure sensor and the air pressure sensor 103 are located in the same sealed space, and stability of air pressure is maintained.
The control module 2 comprises a switch controller 202, a main controller 201 and a pressure information collector 203, wherein the switch controller 202 is electrically connected with the electromagnetic valve 102, the pressure information collector 203 is electrically connected with the air pressure sensor 103, the switch controller 202 and the pressure information collector 203 are respectively electrically connected with the main controller 201, and the switch controller 202 is used for controlling the electromagnetic valve 102 to be closed when the pressure information collector collects 203 the air pressure value of a certain air pressure distribution branch pipeline 104 to reach a preset value, otherwise, the switch controller 202 is used for controlling the electromagnetic valve 102 to be opened; certainly, in practical application, the air pressure value of each channel can be set to be different values, so as to output different air pressures, and the test requirement of the detected air pressure sensor is met to the greatest extent.
The utility model discloses a with traditional single gas source single channel atmospheric pressure test, improve to single gas source multichannel atmospheric pressure test, and through control system's setting, the effectual while that has realized the different atmospheric pressure values of multichannel tests, the effectual not high problem of atmospheric pressure efficiency of testing to atmospheric data system in the prior art of having solved. Specifically, through the arrangement of the air pressure source module 3, constant single-channel air pressure can be provided for the air pressure distribution module 1; through the arrangement of the air pressure distribution module 1 and the control module 2, multi-channel air pressures with different air pressure values can be output outwards; through the arrangement of the air pressure sensor 103, the air pressure value in the air pressure distribution branch pipeline 104 can be monitored in real time and sent to the control module 2; through the arrangement of the electromagnetic valve 102, the valve can be closed when the air pressure in the channel reaches a preset value, so that the constant pressure in the channel is ensured.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that: the technical solutions described in the above embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. A multi-channel air pressure test device, comprising: the air pressure distribution module is connected with the air pressure source module through an air pressure main pipeline, the control module is electrically connected with the air pressure distribution module, the air pressure source module conveys air with preset air pressure values to the air pressure distribution module through the air pressure main pipeline, the air pressure distribution module conveys the air to a tested product end through a plurality of air pressure distribution branch pipelines inside the air pressure distribution module, and the control module accurately regulates and controls the air pressure in each air pressure distribution branch pipeline to enable the air pressure distribution module to accord with an output air pressure preset value.
2. The multi-channel air pressure testing device of claim 1, wherein the air pressure distribution module comprises an air source distributor, an electromagnetic valve, air pressure sensors and a plurality of air pressure distribution branch pipelines, the air source distributor is connected to the output end of the air pressure main pipeline, the plurality of air pressure distribution branch pipelines are uniformly distributed at the output end of the air source distributor, each air pressure distribution branch pipeline is provided with the electromagnetic valve and the air pressure sensors, the electromagnetic valves and the air pressure sensors are connected with the control module, and the air pressure distribution branch pipelines are controlled to open and close and the pipeline end air pressure value of each air pressure distribution branch pipeline is detected.
3. The multi-channel air pressure testing device according to claim 1, wherein the control module comprises a switch controller, a main controller and an air pressure information collector, the switch controller is electrically connected with the electromagnetic valve, the air pressure information collector is electrically connected with the air pressure sensor, and the switch controller and the air pressure information collector are respectively electrically connected with the main controller, and are used for controlling the electromagnetic valve to be closed when the air pressure information collector collects that the air pressure value of a certain air pressure distribution branch pipeline reaches a preset value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221652128.2U CN217687673U (en) | 2022-06-29 | 2022-06-29 | Multichannel atmospheric pressure testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221652128.2U CN217687673U (en) | 2022-06-29 | 2022-06-29 | Multichannel atmospheric pressure testing arrangement |
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| Publication Number | Publication Date |
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| CN217687673U true CN217687673U (en) | 2022-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221652128.2U Active CN217687673U (en) | 2022-06-29 | 2022-06-29 | Multichannel atmospheric pressure testing arrangement |
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| CN (1) | CN217687673U (en) |
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- 2022-06-29 CN CN202221652128.2U patent/CN217687673U/en active Active
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