CN209820592U - Air permeability standard flow disc detector - Google Patents
Air permeability standard flow disc detector Download PDFInfo
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- CN209820592U CN209820592U CN201921037853.7U CN201921037853U CN209820592U CN 209820592 U CN209820592 U CN 209820592U CN 201921037853 U CN201921037853 U CN 201921037853U CN 209820592 U CN209820592 U CN 209820592U
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Abstract
The utility model discloses a standard air permeability flow disc calibrator, which comprises a box body, a PLC (programmable logic controller), a gas pressure regulating device, a gas flowmeter, a measuring clamp, a differential pressure gauge, a thermometer, a barometer, a human-computer interface and a printer; a human-computer interface, a printer, a pressure regulating valve interface, a differential pressure meter interface, a measuring clamp air cylinder interface, an LED lamp interface, a measuring gear display area and a manual test switch are arranged on a front box plate of the box body; the measuring clamp comprises a frame-shaped base, a flow disc verification platform and a pressing sealing block with a vertical through hole, the gas pressure adjusting device comprises an electromagnetic valve, a precise pressure adjusting valve and a stepping motor, and the barometer and the thermometer are arranged in the box body and are respectively connected with the PLC. The utility model discloses can satisfy the detection requirement of all kinds of paper manufacturing enterprise air permeability standard flow dish, avoid causing the product quality of enterprise to descend because of the detection error that region atmospheric pressure's difference caused.
Description
Technical Field
The utility model relates to a verification or correction device for measuring flow's instrument and equipment specifically is a permeability flow dish measuring apparatu.
Background
In the tobacco industry, air permeability is an important physical index of cigarette paper such as cigarette paper, forming paper and tipping paper. At present, air permeability detectors are used for measuring the air permeability of the paper, and the air permeability detectors measure flow by using the pressure difference generated when air flows through a throttling device and display the air permeability of the paper according to the flow. However, the wear of the detector during use can affect the measurement accuracy, and the air permeability flow disc is a standard metering device produced for calibrating the paper air permeability detector, and the measurement accuracy of the air permeability detector is ensured by transmitting the value of the air permeability flow disc to the paper air permeability detector for cigarettes. The accuracy of the transmission value of the air permeability flow disc needs to be realized through the verification of the air permeability flow disc.
Because the shape, size and size of the air permeability flow trays for calibration matched with the paper air permeability detector are different at present, the air permeability flow trays for calibration have to be fixed by a customized special fixing device when different air permeability flow trays are calibrated, and the calibration work of the flow trays is very inconvenient.
Disclosure of Invention
The utility model provides a practical air permeability flow table examination appearance, the device can fix air permeability flow table, simple structure, and it is fast to examine and determine, and the precision is high, and PLC programmable controller can show verification data to human-computer interface 2 through the calculation conversion of writing action step, the measuring signal of program control instrument finally.
The utility model discloses a realize through following technical scheme: the utility model provides a gas permeability standard flow dish examination appearance, includes box 1, PLC programmable controller, gas pressure adjusting device, gas flowmeter, measurement anchor clamps 5, differential pressure gauge, thermometer, barometer, human-computer interface 2 and printer 3.
The front box plate of the box body 1 is provided with a human-computer interface 2, a printer 3, a pressure regulating valve interface 6, a differential pressure gauge interface 7, a measuring clamp cylinder interface 8, an LED lamp interface 9, a measuring gear display area 10 and a manual test switch 11.
The measuring clamp 5 comprises a frame-shaped base 14, a flow disc verification platform 12 and a compression sealing block 13 with a vertical through hole, wherein rectangular through grooves are formed in the lower bottom plate and the vertical plate of the base 14, the flow disc verification platform 12 is positioned on the lower bottom plate of the base 14, the flow disc verification platform 12 is a horizontally placed concave platform, an inverted U-shaped placing groove 1201 is formed in the middle point of the concave edge of the top end face of the flow disc verification platform 12, a circular detection groove 1202 is vertically formed below the placing groove 1201, a soft interface pipe 1203 and a rubber pipe interface 1204 are sequentially arranged in the groove of the flow disc verification platform 12 from top to bottom and communicated with the detection groove 1202, the soft interface pipe 1203 is connected with a pressure difference meter interface 7, the rubber pipe interface 1204 is connected with a pressure adjusting device through a rubber pipe 4, the compression sealing block 13 is arranged above the flow disc verification platform 12, and is connected with a gas pipe through a gas pipe interface of the measuring clamp 5 to enable the gas, thereby creating a sealed environment between the air permeability flow disc and the flow disc verification station 12.
The gas pressure regulating device comprises an electromagnetic valve, a precise pressure regulating valve and a stepping motor, compressed air provides a measuring gas source through the electromagnetic valve, and the stepping motor automatically regulates the precise pressure regulating valve to provide stable and precise directional gas flow; and is connected with the PLC programmable controller after passing through the gas flowmeter.
The barometer and the thermometer are arranged in the box body 1 and are respectively connected with the PLC, and the human-computer interface 2, the printer 3, the measurement gear display area 10 and the manual test switch 11 are all connected with the PLC.
Preferably, in order to facilitate observing the calibration condition of the air permeability flow rate plate, an LED lamp 1205 is further arranged on the bottom surface of the calibration slot 1202, and the LED lamp 1205 is connected with the LED lamp interface 9 through a conducting wire.
The working principle is as follows: when the device is used, the air permeability flow disc is placed in the placing groove 1201 of the flow disc verification platform 12, the pressing sealing block 13 moves under the action of the measuring clamp air cylinder interface 8 to enable a sealed environment to be formed between a sample to be detected and the flow disc verification platform 12, an air source switch is opened, compressed air provides a measuring air source through the electromagnetic valve, the stepping motor automatically adjusts the air pressure adjusting device to provide stable and accurate 1000Pa directional air flow, the measuring air source is introduced into the verification groove 1202 through the rubber pipe interface 1204, when the air pressure at two ends of the air permeability flow disc is stable, the reading of the air flow meter is recorded, the measurement is repeated for 10 times, and the average value of the measurement of 10 times is used as the verification value of the flow disc; the PLC controls the action steps of the instrument and the calculation and conversion of the measurement signals through programming, outputs the measurement data to the human-computer interface 2 to display, and finally prints the measurement data by using the printer 3.
The utility model discloses following beneficial effect has: the utility model discloses can satisfy the detection requirement of all kinds of paper manufacturing enterprise air permeability standard flow dish, avoid causing the product quality of enterprise to descend because of the detection error that region atmospheric pressure's difference caused.
The utility model adopts the high-performance PLC system as a control core, realizes full automation in the measuring process, has simple and convenient operation, automatically counts and outputs the printing measuring result, can carry out data communication with a computer, and is convenient for users to process and store data; the detection instrument has high measurement precision, accuracy and automation degree.
Drawings
The following describes the present invention in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the structure schematic diagram of the middle measuring clamp of the present invention.
Fig. 3 is a schematic view of the three-dimensional structure of the flow rate plate verification table 12 of the present invention.
Fig. 4 is a schematic top view of the flow rate plate verification table 12 of the present invention.
Fig. 5 is a schematic structural view of the middle base 14 of the present invention.
Fig. 6 is a schematic block diagram of the structure of the present invention.
In the figure: a box body 1; a human-machine interface 2; a printer 3; a rubber tube 4; a measuring jig 5; a pressure regulating valve interface 6; a differential pressure gauge interface 7; a measuring clamp cylinder interface 8; an LED lamp interface 9; a measurement gear display area 10; a manual test switch 11; a flow disk verification station 12; a compression sealing block 13; a base 14; a placing groove 1201; an assay well 1202; a soft interface tube 1203; a hose connector 1204; an LED lamp 1205.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1-6, the air permeability standard flow disk calibrator comprises a box body 1, a Programmable Logic Controller (PLC), a gas pressure regulating device, a gas flow meter, a measuring clamp 5, a differential pressure meter, a thermometer, a barometer, a human-computer interface 2 and a printer 3.
The front box plate of the box body 1 is provided with a human-computer interface 2, a printer 3, a pressure regulating valve interface 6, a differential pressure gauge interface 7, a measuring clamp cylinder interface 8, an LED lamp interface 9, a measuring gear display area 10 and a manual test switch 11.
The measuring clamp 5 comprises a frame-shaped base 14, a flow disc verification platform 12 and a compression sealing block 13 with a vertical through hole, rectangular through grooves are formed in a lower bottom plate and a vertical plate of the base 14, the flow disc verification platform 12 is located on the lower bottom plate of the base 14, the flow disc verification platform 12 is a horizontally placed concave platform, an inverted U-shaped placing groove 1201 is formed in the middle point of the concave edge of the top end face of the flow disc verification platform 12, a circular verification groove 1202 is vertically formed below the placing groove 1201, in order to observe the verification condition of the air permeability flow disc, an LED lamp 1205 is further arranged on the bottom face of the verification groove 1202, and the LED lamp 1205 is connected with an LED lamp interface 9 through a wire.
A soft interface pipe 1203 and a rubber pipe interface 1204 are sequentially arranged in a groove of the flow disc verification platform 12 from top to bottom and communicated with the verification groove 1202, the soft interface pipe 1203 is connected with a differential pressure meter interface 7, the rubber pipe interface 1204 is connected with a pressure adjusting device through a rubber pipe 4, a compression sealing block 13 is arranged above the flow disc verification platform 12, and a gas pipe interface is connected with a gas pipe through a connecting measuring clamp 5 to enable the gas pipe to move downwards, so that a sealing environment is formed between the air permeability flow disc and the flow disc verification platform 12.
The gas pressure regulating device comprises an electromagnetic valve, a precise pressure regulating valve and a stepping motor, compressed air provides a measuring gas source through the electromagnetic valve, and the stepping motor automatically regulates the precise pressure regulating valve to provide stable and precise directional gas flow; and is connected with the PLC programmable controller after passing through the gas flowmeter.
The barometer and the thermometer are arranged in the box body 1 and are respectively connected with the PLC, and the human-computer interface 2, the printer 3, the measurement gear display area 10 and the manual test switch 11 are all connected with the PLC.
The working principle is as follows: when the device is used, the air permeability flow disc is placed in the placing groove 1201 of the flow disc verification platform 12, the pressing sealing block 13 moves under the action of the measuring clamp air cylinder interface 8 to enable a sealed environment to be formed between a sample to be detected and the flow disc verification platform 12, an air source switch is opened, compressed air provides a measuring air source through the electromagnetic valve, the stepping motor automatically adjusts the air pressure adjusting device to provide stable and accurate 1000Pa directional air flow, the measuring air source is introduced into the verification groove 1202 through the rubber pipe interface 1204, when the air pressure at two ends of the air permeability flow disc is stable, the reading of the air flow meter is recorded, the measurement is repeated for 10 times, and the average value of the measurement of 10 times is used as the verification value of the flow disc; the PLC controls the action steps of the instrument and the calculation and conversion of the measurement signals through programming, outputs the measurement data to the human-computer interface 2 to display, and finally prints the measurement data by using the printer 3.
Claims (2)
1. A standard air permeability flow disc calibrator comprises a box body (1), a PLC (programmable logic controller), a gas pressure regulating device, a gas flowmeter, a measuring clamp (5), a differential pressure gauge, a thermometer, a barometer, a human-computer interface (2) and a printer (3); the method is characterized in that: a human-computer interface (2), a printer (3), a pressure regulating valve interface (6), a differential pressure gauge interface (7), a measuring clamp air cylinder interface (8), an LED lamp interface (9), a measuring gear display area (10) and a manual test switch (11) are arranged on a front box plate of the box body (1);
the measuring clamp (5) comprises a frame-shaped base (14), a flow disc verification platform (12) and a pressing sealing block (13) with a vertical through hole, rectangular through grooves are formed in a lower bottom plate and a vertical plate of the base (14), the flow disc verification platform (12) is located on the lower bottom plate of the base (14), the flow disc verification platform (12) is a horizontally-placed concave platform, an inverted U-shaped placing groove (1201) is formed in the middle point of a concave edge of the top end face of the flow disc verification platform (12), a circular verification groove (1202) is vertically formed below the placing groove (1201), a flexible interface pipe (1203) and a flexible pipe interface (1204) are sequentially arranged in a groove of the flow disc verification platform (12) from top to bottom and communicated with the verification groove (1202), the flexible pipe interface (1203) is connected with a differential pressure gauge interface (7), the flexible pipe interface (1204) is connected with a pressure regulating device through a flexible pipe (4), the compaction sealing block (13) is arranged above the flow disc verification platform (12), and is connected with the air pipe through the air pipe interface of the connection measuring clamp (5) to move downwards, so that a sealing environment is formed between the air permeability flow disc and the flow disc verification platform (12);
the gas pressure regulating device comprises an electromagnetic valve, a precise pressure regulating valve and a stepping motor, compressed air provides a measuring gas source through the electromagnetic valve, and the stepping motor automatically regulates the precise pressure regulating valve to provide stable and precise directional gas flow; and is connected with the PLC programmable controller after passing through the gas flowmeter;
the barometer and the thermometer are arranged in the box body (1) and are respectively connected with the PLC, and the human-computer interface (2), the printer (3), the measurement gear display area (10) and the manual test switch (11) are all connected with the PLC.
2. The air permeability standard flow disk calibrator according to claim 1, wherein: the bottom surface of the detection groove (1202) is also provided with an LED lamp (1205), and the LED lamp (1205) is connected with an LED lamp interface (9) through a lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921037853.7U CN209820592U (en) | 2019-07-05 | 2019-07-05 | Air permeability standard flow disc detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921037853.7U CN209820592U (en) | 2019-07-05 | 2019-07-05 | Air permeability standard flow disc detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209820592U true CN209820592U (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921037853.7U Active CN209820592U (en) | 2019-07-05 | 2019-07-05 | Air permeability standard flow disc detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209820592U (en) |
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2019
- 2019-07-05 CN CN201921037853.7U patent/CN209820592U/en active Active
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