CN116398812A - Low-cost high-precision low-pressure air source adjusting and detecting mechanism - Google Patents
Low-cost high-precision low-pressure air source adjusting and detecting mechanism Download PDFInfo
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- CN116398812A CN116398812A CN202310290102.0A CN202310290102A CN116398812A CN 116398812 A CN116398812 A CN 116398812A CN 202310290102 A CN202310290102 A CN 202310290102A CN 116398812 A CN116398812 A CN 116398812A
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims description 13
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Fluid Pressure (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a low-cost high-precision low-pressure air source adjusting and detecting mechanism, which comprises: the device comprises a pressure reducing valve, a pressure-controlled pressure regulating valve, a programmable power supply, a gas flowmeter, a protection air valve, a barometer, an air outlet pipeline and an output air valve. Through the mode, the low-cost high-precision low-pressure air source adjusting and detecting mechanism separates the air pressure adjusting part from the output part, and utilizes the voltage-controlled air throttle and the high-precision barometer to carry out accurate air pressure adjustment, so that the accuracy and the high efficiency of adjustment are improved, the range of output air pressure is enlarged, and the low-cost low-precision low-pressure air source adjusting and detecting mechanism is low in cost and strong in expandability.
Description
Technical Field
The invention relates to the technical field of electronic industry assembly, in particular to a low-cost high-precision low-pressure air source adjusting and detecting mechanism.
Background
Currently, when air pressure adjustment and detection are performed on products containing pressure sensors or other closed pipelines, the products are directly operated by using expensive foreign instruments, so that the following problems and disadvantages are caused:
1. the existing adjusting and detecting equipment is high in price, so that the production cost is increased;
2. the adjustable pressure of the air source of the existing adjusting and detecting equipment is too large, an air source with small pressure cannot be generated, and the practicability is not strong;
3. the existing air source adjustment and detection equipment is not accurate enough.
Disclosure of Invention
The invention mainly solves the technical problem of providing the low-cost high-precision low-pressure air source adjusting and detecting mechanism, which has the advantages of high reliability, high precision, low cost and the like, and has wide market prospect in the application and popularization of low-pressure air source adjusting and detecting.
In order to solve the technical problems, the invention adopts a technical scheme that:
provided is a low-cost high-precision low-pressure air source adjustment detection mechanism, which comprises: a pressure reducing valve for primary regulation of compressed air, a pressure-controlled pressure regulating valve for secondary regulation of compressed air, a programmable power supply, a gas flowmeter, a protection gas valve, a barometer, a gas outlet pipeline and an output gas valve,
the pressure reducing valve, the pressure-controlled pressure regulating valve, the gas flowmeter and the protection air valve are sequentially arranged on an air inlet pipeline for inputting compressed air from front to back, the pressure-controlled pressure regulating valve is connected with the programmable power supply, an air outlet pipeline is connected with the tail end of the air inlet pipeline, the air outlet valve is connected to the air outlet pipeline, and the barometer is arranged on the air outlet pipeline between the air outlet valve and the protection air valve, so that air pressure detection is carried out on the compressed air after pressure regulation.
In a preferred embodiment of the present invention, the programmable power supply is a 2-channel programmable power supply.
In a preferred embodiment of the present invention, the voltage-controlled pressure regulating valve is electrically connected to the programmable power supply through a voltage control line.
In a preferred embodiment of the present invention, the gas flow meter may be a TSI4140 gas flow meter.
The beneficial effects of the invention are as follows: the air pressure adjusting part and the output part are separated, and the accurate air pressure adjustment is performed by utilizing the voltage-controlled air throttle and the high-precision barometer, so that the accuracy and the high efficiency of the adjustment are improved, the range of the output air pressure is enlarged, and the air pressure adjusting device is low in cost and strong in expandability.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic diagram of a low-cost, high-precision low-pressure air source adjustment detection mechanism according to a preferred embodiment of the present invention.
Description of the embodiments
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments 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, an embodiment of the present invention includes:
the utility model provides a low-cost high accuracy low pressure air source adjusts detection mechanism, sets up in its structure and includes: the pressure reducing valve 1, the pressure-controlled pressure regulating valve 2, the programmable power supply 3, the gas flowmeter 4, the protection gas valve 5, the barometer 6, the gas outlet pipeline 7 and the output gas valve 8.
The pressure reducing valve, the pressure-controlled pressure regulating valve, the gas flowmeter and the protection gas valve are sequentially arranged on an air inlet pipeline 9 for inputting compressed air, the air outlet pipeline is connected with the tail end of the air inlet pipeline, the air outlet valve is connected to the air outlet pipeline, and the gas pressure gauge is arranged on the air outlet pipeline between the air outlet valve and the protection gas valve so as to perform gas pressure detection on the compressed air after pressure regulation.
Further preferably, the programmable power supply adopts a 2-channel programmable power supply.
Further preferably, the voltage-controlled pressure regulating valve is electrically connected with the programmable power supply through a voltage control line 10.
Further preferably, the gas flow meter may employ a TSI4140 gas flow meter.
The application method of the low-cost high-precision low-pressure air source adjustment detection mechanism comprises the following steps:
1. closing the protection air valve and the output air valve, and starting to convey compressed air through the air inlet pipeline;
2. according to a preset final output air pressure threshold value P1, the pressure of the compressed air is regulated for the first time by utilizing a pressure reducing valve so as to regulate the air pressure of the compressed air to about 10 times of the output air pressure threshold value P1;
3. the voltage of the pressure-controlled pressure regulating valve is regulated through the program-controlled power supply, so that the pressure-controlled pressure regulating valve carries out secondary regulation on the compressed air after primary regulation, and the regulated air pressure meets a final output air pressure threshold P1;
4. opening the protection air valve and the output air valve to be kept closed, and reading the pressure by the barometer to judge whether the current air pressure meets a final output air pressure threshold value P1;
5. and outputting the air valve to output compressed air when the air pressure meets the threshold requirement.
The low-cost high-precision low-pressure air source adjusting and detecting mechanism has the beneficial effects that:
1. the air pressure adjusting part is separated from the output part, and the air pressure is accurately adjusted through the voltage-controlled throttle valve and the high-precision barometer so as to output adjustable small air pressure, and the air pressure can be accurate to 0.1 cm H2o;
2. the air pressure in a larger range can be output through a 2-stage decompression air valve or through changing different pressure regulating valves, and the price is low;
3. the device can meet various requirements of accurate air pressure provision, leakage measurement and the like by being matched with a flowmeter and the like, and is high in expandability.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (4)
1. The utility model provides a low-cost high accuracy low pressure air source adjusts detection mechanism which characterized in that includes: a pressure reducing valve for primary regulation of compressed air, a pressure-controlled pressure regulating valve for secondary regulation of compressed air, a programmable power supply, a gas flowmeter, a protection gas valve, a barometer, a gas outlet pipeline and an output gas valve,
the pressure reducing valve, the pressure-controlled pressure regulating valve, the gas flowmeter and the protection air valve are sequentially arranged on an air inlet pipeline for inputting compressed air from front to back, the pressure-controlled pressure regulating valve is connected with the programmable power supply, an air outlet pipeline is connected with the tail end of the air inlet pipeline, the air outlet valve is connected to the air outlet pipeline, and the barometer is arranged on the air outlet pipeline between the air outlet valve and the protection air valve, so that air pressure detection is carried out on the compressed air after pressure regulation.
2. The low-cost high-precision low-pressure air source adjustment detection mechanism according to claim 1, wherein the programmable power supply is a 2-channel programmable power supply.
3. The low-cost high-precision low-pressure air source adjustment detection mechanism according to claim 1, wherein the pressure-controlled pressure regulating valve is electrically connected with the programmable power supply through a voltage control line.
4. The low cost, high accuracy, low pressure gas source adjustment and detection mechanism of claim 1 wherein the gas flow meter is a TSI4140 gas flow meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310290102.0A CN116398812A (en) | 2023-03-23 | 2023-03-23 | Low-cost high-precision low-pressure air source adjusting and detecting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310290102.0A CN116398812A (en) | 2023-03-23 | 2023-03-23 | Low-cost high-precision low-pressure air source adjusting and detecting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116398812A true CN116398812A (en) | 2023-07-07 |
Family
ID=87015242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310290102.0A Pending CN116398812A (en) | 2023-03-23 | 2023-03-23 | Low-cost high-precision low-pressure air source adjusting and detecting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116398812A (en) |
-
2023
- 2023-03-23 CN CN202310290102.0A patent/CN116398812A/en active Pending
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