CN220602609U - Flow detection assembly suitable for remote or unmanned calibration - Google Patents
Flow detection assembly suitable for remote or unmanned calibration Download PDFInfo
- Publication number
- CN220602609U CN220602609U CN202322226763.5U CN202322226763U CN220602609U CN 220602609 U CN220602609 U CN 220602609U CN 202322226763 U CN202322226763 U CN 202322226763U CN 220602609 U CN220602609 U CN 220602609U
- Authority
- CN
- China
- Prior art keywords
- unmanned
- calibration
- remote
- air inlet
- pressure drop
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000000758 substrate Substances 0.000 claims description 3
- 230000000391 smoking effect Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000001595 flow curve Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model provides a flow detection assembly suitable for remote or unmanned calibration, which comprises a pressure drop block, a suction pipeline, a high-precision micro differential pressure transmitter and a processor module; the air inlet end of the pressure drop block is connected with an air inlet pipeline in a sealing way, and the tail end of the air inlet pipeline is an air inlet; the air outlet end of the pressure drop block is connected with the suction pipeline in a sealing way, and the tail end of the suction pipeline is a suction interface; two acquisition points of the high-precision micro-pressure difference transmitter are respectively connected to an air inlet pipeline and an air suction pipeline at two ends of the pressure drop block; the processor module is connected with the high-precision micro pressure difference transmitter to calculate a flow value. The flow detection assembly suitable for remote or unmanned calibration has the advantages of being suitable for remote or unmanned calibration and guaranteeing accuracy.
Description
Technical Field
The present utility model relates to calibration appliances, and in particular, to a flow sensing assembly suitable for remote or unmanned calibration.
Background
In the process of cigarette production test, a large number of experimental instruments such as suction resistance detection, flow detection, suction characteristic detection and the like are used, and after regular use, verification and calibration are needed.
At present, the main stream is checked and calibrated by adopting standard rod products, wherein the standard rod is a product similar to the appearance of a cigarette, but has a fixed flow passing attribute, and the checking and the calibration are carried out by comparing a detection value with the attribute of the standard rod.
However, with the development requirements of unmanned and remote, the defects of the standard rod are gradually revealed, the standard rod is more dependent on manual installation and replacement, a group of single checking and calibration is usually required, more than dozens of standard rods are required, frequent replacement actions are dependent on manual work, and the storage of the standard rod has high requirements on the environment, so that the automatic design difficulty based on the replacement of the standard rod is higher.
Therefore, those skilled in the art are always seeking new alternatives, and at present, a solution of replacing a product such as a flow valve is selected, but the accuracy of the flow valve is limited, and the application cost may be greatly increased on the premise of meeting the requirement.
In order to solve the above problems, an ideal technical solution is always sought.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, and provides a flow detection assembly suitable for remote or unmanned calibration, which has ensured accuracy and is suitable for remote or unmanned calibration.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a flow detection assembly suitable for remote or unmanned calibration comprises a pressure drop block, a suction pipeline, a high-precision micro-differential pressure transmitter and a processor module;
the air inlet end of the pressure drop block is connected with an air inlet pipeline in a sealing way, and the tail end of the air inlet pipeline is an air inlet;
the air outlet end of the pressure drop block is connected with the suction pipeline in a sealing way, and the tail end of the suction pipeline is a suction interface;
two acquisition points of the high-precision micro-pressure difference transmitter are respectively connected to an air inlet pipeline and an air suction pipeline at two ends of the pressure drop block;
the processor module is connected with the high-precision micro pressure difference transmitter to calculate a flow value.
Based on the above, the collection point of the high-precision micro-pressure difference transmitter is connected with the air inlet pipeline and the suction pipeline through a three-way pipe.
Based on the above, the pressure drop block, the suction pipeline, the high-precision micro differential pressure transmitter and the processor module are all arranged on one substrate.
The pressure drop block, the suction line and the air intake line are located on the same straight line.
Based on the above, the high-precision micro pressure difference transmitter is positioned at one side of the pressure drop block.
The electromagnetic valve is arranged on the air inlet pipeline.
The base plate is characterized in that the four corners of the bottom end of the base plate are provided with supporting feet, and the height of each supporting foot is adjustable.
The pressure drop block is a standard component, as described above.
Compared with the prior art, the utility model has substantial characteristics and progress, and in particular has the following advantages:
1. the accuracy of the high-accuracy micro-pressure difference transmitter is selected to ensure the accuracy of measuring the pressure difference, then the relation between the pressure difference and the flow is utilized to calculate the actually sucked flow value and flow curve in a calculation mode, so that the measurement accuracy is ensured, and the defect of insufficient accuracy of the flow valve is overcome.
2. Because the device has universality, different differential pressure values can be obtained by changing the suction flow, the detected threshold range is larger, a flow curve can be generated, the flow of the device is calibrated in a larger range, and the performance is better.
3. Because the using process of the device only needs to connect the suction engine opposite interface with the device to be detected, fewer steps are operated in automation or unmanned operation, and the remote unmanned operation is facilitated.
Drawings
FIG. 1 is a schematic diagram of a flow sensing assembly of the present utility model adapted for remote or unmanned calibration.
In the figure: 1. a pressure drop block; 2. a suction line; 3. a high-precision micro-differential pressure transmitter; 4. a processor module; 5. an air intake line; 6. an air inlet; 7. a substrate; 8. a suction interface; 9. and (5) supporting legs.
Detailed Description
The technical scheme of the utility model is further described in detail through the following specific embodiments.
As shown in fig. 1, a flow detection assembly suitable for remote or unmanned calibration comprises a pressure drop block 1, a suction pipeline 2, a high-precision micro pressure difference transmitter 3, a processor module 4 and a base plate 7, wherein the pressure drop block 1, the suction pipeline 2, the high-precision micro pressure difference transmitter 3 and the processor module 4 are all installed on the base plate 7, supporting feet 9 are installed at four corners of the bottom end of the base plate 7, and the heights of the supporting feet 9 are adjustable so as to integrally level the device and avoid deflection.
The air inlet end of the pressure drop block 1 is connected with an air inlet pipeline 5 in a sealing mode, the tail end of the air inlet pipeline 5 is provided with an air inlet 6, and the air inlet 6 is communicated with the atmosphere.
The air outlet end of the pressure drop block 1 is connected with the suction pipeline 2 in a sealing way, and the tail end of the suction pipeline 2 is provided with a suction interface 8 for connecting a suction channel of equipment to be detected. The pressure drop block 1, the suction pipeline 2 and the air inlet pipeline 5 are positioned on the same straight line, and the pressure drop block 1 is a standard component.
Two collection points of the high-precision micro-pressure difference transmitter 3 are respectively connected to an air inlet pipeline 5 and a suction pipeline 2 at two ends of the pressure drop block 1, and specifically, the two collection points are connected by a three-way pipe, and the high-precision micro-pressure difference transmitter 3 is positioned at one side of the pressure drop block 1.
The processor module 4 is connected to the high precision micro differential pressure transmitter 3 to calculate a flow value.
Working principle:
the suction channel of the device to be detected is connected with the suction interface 8 in a sealing manner, in this embodiment, the device to be detected is a smoking machine, then the smoking machine is controlled to suck once according to a set flow value, gas enters from the gas inlet, passes through the pressure drop block and enters into the smoking machine from the suction interface 8, in the process, the high-precision micro pressure difference transmitter 3 detects the pressure difference value generated at two ends of the compression block 8, the pressure difference value is input into the processor module 4, the processor module 4 calculates a corresponding flow value through the corresponding relation between the flow and the pressure difference, and generates a flow-time curve of a corresponding time period, and the smoking machine is checked and calibrated through the comparison of the calculated value and the set value of the smoking machine.
In other embodiments, an electromagnetic valve is installed on the air inlet pipe, and the air inflow can be controlled through the electromagnetic valve, so that parameters such as the whole measured time and the like are controlled.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present utility model and are not limiting; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.
Claims (8)
1. A flow sensing assembly adapted for remote or unmanned calibration, characterized by: the device comprises a pressure drop block, a suction pipeline, a high-precision micro-differential pressure transmitter and a processor module;
the air inlet end of the pressure drop block is connected with an air inlet pipeline in a sealing way, and the tail end of the air inlet pipeline is an air inlet;
the air outlet end of the pressure drop block is connected with the suction pipeline in a sealing way, and the tail end of the suction pipeline is a suction interface;
two acquisition points of the high-precision micro-pressure difference transmitter are respectively connected to an air inlet pipeline and an air suction pipeline at two ends of the pressure drop block;
the processor module is connected with the high-precision micro pressure difference transmitter to calculate a flow value.
2. The flow sensing assembly of claim 1 adapted for remote or unmanned calibration, wherein: the collection point of the high-precision micro-pressure difference transmitter is connected with the air inlet pipeline and the suction pipeline through a three-way pipe.
3. A flow sensing assembly adapted for remote or unmanned calibration according to claim 1 or 2, wherein: the pressure drop block, the suction pipeline, the high-precision micro-differential pressure transmitter and the processor module are all arranged on a substrate.
4. A flow sensing assembly adapted for remote or unmanned calibration as defined in claim 3, wherein: the pressure drop block, the suction line and the air intake line are located on the same straight line.
5. The flow sensing assembly of claim 4 adapted for remote or unmanned calibration, wherein: the high-precision micro pressure difference transmitter is positioned on one side of the pressure drop block.
6. The flow sensing assembly of claim 1 or 2 or 4 or 5 adapted for remote or unmanned calibration, wherein: and an electromagnetic valve is arranged on the air inlet pipeline.
7. A flow sensing assembly adapted for remote or unmanned calibration as defined in claim 3, wherein: the four corners of the bottom end of the base plate are provided with supporting feet, and the height of each supporting foot is adjustable.
8. The flow sensing assembly of claim 6 adapted for remote or unmanned calibration, wherein: the pressure drop block is a standard component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322226763.5U CN220602609U (en) | 2023-08-18 | 2023-08-18 | Flow detection assembly suitable for remote or unmanned calibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322226763.5U CN220602609U (en) | 2023-08-18 | 2023-08-18 | Flow detection assembly suitable for remote or unmanned calibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220602609U true CN220602609U (en) | 2024-03-15 |
Family
ID=90171859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322226763.5U Active CN220602609U (en) | 2023-08-18 | 2023-08-18 | Flow detection assembly suitable for remote or unmanned calibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220602609U (en) |
-
2023
- 2023-08-18 CN CN202322226763.5U patent/CN220602609U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105021262B (en) | The adjustable gas flow scaling method of temperature, pressure | |
| CN201993202U (en) | Calibrating device for pressure sensor or transmitter | |
| CN103698164B (en) | VOC fills gas production system | |
| CN201983838U (en) | Micro-differential pressure type gas meter detecting device with automatic meter clamping | |
| CN208060103U (en) | A kind of exhaust system quantity of gas leakage detection device | |
| CN103090934A (en) | Multi-piston arraying type gas flow standard device | |
| CN220602609U (en) | Flow detection assembly suitable for remote or unmanned calibration | |
| CN114563492A (en) | Gas sensor inspection device for pipeline and test method | |
| CN101576403A (en) | Gas flow standard device | |
| CN110017313B (en) | Cylinder performance detection method | |
| CN105352456A (en) | Thickness measuring device | |
| CN201193955Y (en) | Gas flow accuracy calibrating apparatus | |
| CN104374438A (en) | Gas flow detection device and method for light gas turbine combustion chamber nozzle | |
| CN208805264U (en) | Electronics soap-film flow automatic calibrator | |
| CN203011497U (en) | Multi-piston array type gas flow calibration device | |
| CN216871896U (en) | Mass spectrometer partial pressure calibration system | |
| CN107084696A (en) | Refrigeration compressor cylinder head clearance amount detection systems and detection method | |
| CN213516228U (en) | Airtightness detection device of pressure detection instrument | |
| CN211904339U (en) | On-line detection standard device for small-flow gas flowmeter | |
| CN205561956U (en) | Turbine flowmeter temperature compensated equipment | |
| CN103206995A (en) | Air-flow measuring device and air-flow measuring method applicable to workshop conditions | |
| CN114166320A (en) | Calibration system and calibration method of mass flow controller | |
| CN110243444B (en) | Negative pressure source device, gas meter verification gas circuit system and verification method | |
| CN220602812U (en) | Calibrating device for pressure drop of pipeline of measuring instrument | |
| CN209838841U (en) | Novel cylinder performance detection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |