CN216349014U - Calibration connector for vehicle-mounted sampling pump flowmeter - Google Patents
Calibration connector for vehicle-mounted sampling pump flowmeter Download PDFInfo
- Publication number
- CN216349014U CN216349014U CN202122692999.9U CN202122692999U CN216349014U CN 216349014 U CN216349014 U CN 216349014U CN 202122692999 U CN202122692999 U CN 202122692999U CN 216349014 U CN216349014 U CN 216349014U
- Authority
- CN
- China
- Prior art keywords
- connection
- section
- vehicle
- calibration
- sampling pump
- 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.)
- Expired - Fee Related
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 44
- 239000000779 smoke Substances 0.000 claims abstract description 17
- 239000000428 dust Substances 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 238000004164 analytical calibration Methods 0.000 claims abstract description 4
- 239000012528 membrane Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000004308 accommodation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 125000003003 spiro group Chemical group 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Abstract
The utility model relates to a calibration connecting piece for a vehicle-mounted sampling pump flowmeter, which comprises a connecting head section, a connecting tail section and a filtering device detachably connected on a channel between the connecting head section and the connecting tail section; the connecting head section is detachably connected with a measuring port of the gas smoke dust sampling instrument calibration device, and the connecting tail section is detachably connected with an air inlet of the vehicle-mounted sampling pump flowmeter. The connecting head section and the connecting tail section of the connecting piece are respectively connected with the gas demonstration sampling instrument and the vehicle-mounted sampling pump flowmeter, the connecting piece is adopted between the measuring port of the gas smoke dust sampling instrument calibrating device and the air inlet of the vehicle-mounted sampling pump flowmeter to be connected, the calibrating result is accurate, and the connecting piece has the effects of simplicity, reliability, filtering, convenient connection and the like.
Description
Technical Field
The utility model relates to the field of nuclear power, in particular to a calibration connecting piece for a flowmeter of a vehicle-mounted sampling pump.
Background
The current standards of adoption for calibrating the flow meter of the vehicle-mounted sampling pump are as follows:
HJ/T368-2007 calibrates the technical requirements of an orifice flowmeter for a total suspended particulate matter sampler and a detection method.
The usage and the principle thereof are as follows:
a flow meter for calibrating a vehicle-mounted sampling pump belongs to environmental monitoring equipment, and is calibrated by using a gas smoke dust sampler calibration device which measures gas flow by adopting an orifice flow meter method.
At the timing of calibration on-vehicle sample pump flow, the air inlet lug connection who adopts gas smoke and dust sampler calibrating device's measuring port directness and on-vehicle sample pump flowmeter in the past does not have the connecting piece, mainly leans on the manpower to go on, if connect improper or not totally sealed, will make the measured indicating value misalignment, cause the measuring result inaccurate, the calibration number of times is more moreover, data shakiness, the repeatability of calibration is relatively poor, bring the loss for on-vehicle sample pump flowmeter user.
Briefly describing the main characteristics of the gas smoke dust sampling instrument:
the device has multiple functions, can complete the flow measurement of small, medium and large measuring ranges, and has wide flow range.
And directly reading the flow, and automatically converting the standard condition flow or the real flow under the scale.
The system has the functions of data storage, inquiry and printing.
The dynamic pressure and the static pressure of the smoke sampler can be calibrated.
The high-energy lithium battery is matched, and the lithium battery can work under the condition of no external power adapter.
The touch screen is designed, the operation is simple and convenient, the interface is simple, and the use by a user is convenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a calibration connector for a flow meter of a vehicle-mounted sampling pump, aiming at the defects in the prior art.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the calibration connecting piece for the flowmeter of the vehicle-mounted sampling pump is constructed and comprises a connecting head section, a connecting tail section and a filtering device detachably connected to a channel between the connecting head section and the connecting tail section;
the connecting head section is detachably connected with a measuring port of the gas smoke dust sampling instrument calibration device, and the connecting tail section is detachably connected with an air inlet of the vehicle-mounted sampling pump flowmeter.
Preferably, the filter device comprises a filter.
Preferably, the filter device further comprises a filter membrane disposed at an end face of the filter near the connecting head section.
Preferably, the filter membrane is paper.
Preferably, the connecting piece is including connecting still connect the connector segment with connect the coupling assembling between the tail section, coupling assembling with be formed with the holding between the tail section of connection the holding chamber of filter equipment.
Preferably, coupling assembling includes first linkage segment, the second linkage segment of mutual spiro union, coupling assembling respectively at both ends with first linkage segment, second linkage segment spiro union, the second linkage segment with be formed with between the coupling tail segment accept the chamber.
Preferably, coupling assembling still include respectively with the sleeve pipe of second linkage segment, connection tail section spiro union, the intraductal formation of cover accept the chamber, filter equipment establishes in the sleeve pipe.
Preferably, the connection tail section, the first connection section and the second connection section are PVC pipes, and the connection head section is a copper pipe.
Preferably, the connecting head section is in threaded connection with a measuring port of the gas smoke dust sampler calibration device, and the connecting tail section is in threaded connection with an air inlet of the vehicle-mounted sampling pump flowmeter.
The calibration connecting piece for the vehicle-mounted sampling pump flowmeter has the following beneficial effects: the connecting head section and the connecting tail section of the connecting piece are respectively connected with the gas demonstration sampling instrument and the vehicle-mounted sampling pump flowmeter, the connecting piece is adopted between the measuring port of the gas smoke dust sampling instrument calibrating device and the air inlet of the vehicle-mounted sampling pump flowmeter to be connected, the calibrating result is accurate, and the connecting piece has the effects of simplicity, reliability, filtering, convenient connection and the like.
Drawings
The utility model will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic cross-sectional view of a calibration link of an on-board sample pump flow meter according to an embodiment of the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in FIG. 1, the calibration connector for the vehicle-mounted sampling pump in a preferred embodiment of the utility model comprises a connecting head section 1, a connecting tail section 2 and a filtering device 3 detachably connected to a channel between the connecting head section 1 and the connecting tail section 2.
The connecting head section 1 is detachably connected with a measuring port of a gas smoke dust sampling instrument calibration device, and the connecting tail section 2 is detachably connected with an air inlet of a vehicle-mounted sampling pump flowmeter.
Preferably, connect head section 1 and gas smoke and dust sampling instrument calibrating device's measuring port spiro union, connect the air inlet spiro union of end section 2 and on-vehicle sampling pump flowmeter, connect head section 1, connect end section 2 and be connected with gas demonstration sampling instrument and on-vehicle sampling pump flowmeter respectively, adopt the connecting piece to be connected between gas smoke and dust sampling instrument calibrating device's measuring port and on-vehicle sampling pump flowmeter's air inlet, the result of calibration is accurate like this, the connecting piece has simply, reliably, can filter, effects such as convenient connection.
The filtering device 3 comprises a filter 31 for filtering the passing gas, so as to improve the stability and accuracy of the calibration. Preferably, the filtering device 3 further comprises a filtering membrane 32 arranged at the end face of the filter 31 close to the connecting head 1, and the large particles are filtered before the gas enters the filter 31. Generally, the filter membrane 32 is made of paper, so that the filter membrane is convenient to replace and low in cost.
The connecting piece is still including connecting coupling assembling 4 between connecting head 1 and connecting tail section 2, is formed with the chamber 41 that accepts of holding filter equipment 3 between coupling assembling 4 and the connecting tail section 2, can let connecting head 1, connecting tail section 2 not demolish with gas smoke and dust sampling appearance calibrating device, on-vehicle sampling pump flowmeter, only demolish connecting assembling 4 in the middle of in order to change filter equipment 3.
The connecting assembly 4 comprises a first connecting section 42 and a second connecting section 43 which are in threaded connection with each other, and a sleeve 44 which is in threaded connection with the second connecting section 43 and the connecting tail section 2 respectively, the connecting section 1 and the connecting tail section 2 are in threaded connection with the first connecting section 42 and the sleeve 44 respectively at two ends, a containing cavity 41 is formed in the sleeve 44, and the filtering device 3 is arranged in the sleeve 44.
In other embodiments, the sleeve 44 can be eliminated, the second connecting section 43 can be connected with the connecting tail section 2, a containing cavity 41 is formed between the second connecting section 43 and the connecting tail section 2, and the filtering device 3 can be placed.
In this embodiment, connection tail section 2, first linkage segment 42, second linkage segment 43 are the PVC pipe, and are simple easily obtained, and are with low costs, connect linkage segment 1 to be the copper pipe, and is reliable and stable, not fragile gas smoke and dust sampling appearance calibrating device's measurement mouth.
It is to be understood that the above-described respective technical features may be used in any combination without limitation.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The calibrating and connecting piece for the flowmeter of the vehicle-mounted sampling pump is characterized by comprising a connecting head section (1), a connecting tail section (2) and a filtering device (3) which is detachably connected to a channel between the connecting head section (1) and the connecting tail section (2);
the connecting head section (1) is detachably connected with a measuring port of the gas smoke dust sampling instrument calibration device, and the connecting tail section (2) is detachably connected with an air inlet of the vehicle-mounted sampling pump flowmeter.
2. An on-board sample pump flow meter calibration connection according to claim 1, characterized in that the filtering means (3) comprises a filter (31).
3. On-board sample pump flow meter calibration connection according to claim 2, characterized in that the filtering device (3) further comprises a filtering membrane (32) arranged at the end face of the filter (31) close to the connection block (1).
4. The vehicular sampling pump flow meter calc-connector of claim 3, wherein the filter membrane (32) is paper.
5. The on-board sample pump flow meter calibration connection according to claim 1, characterized in that it further comprises a connection assembly (4) connected between the connection head (1) and the connection tail (2), between which connection assembly (4) and the connection tail (2) there is formed a housing chamber (41) housing the filter device (3).
6. The on-board sampling pump flow meter calibration connection piece of claim 5, characterized in that the connection assembly (4) comprises a first connection section (42) and a second connection section (43) which are screwed with each other, the connection head section (1) and the connection tail section (2) are respectively screwed with the first connection section (42) and the second connection section (43) at two ends, and the accommodation cavity (41) is formed between the second connection section (43) and the connection tail section (2).
7. The on-board sample pump flowmeter calibration connection according to claim 6, wherein the connection assembly (4) further comprises a sleeve (44) screwed to the second connection section (43) and the connection tail section (2), respectively, the housing cavity (41) being formed in the sleeve (44), and the filter device (3) being provided in the sleeve (44).
8. The vehicle-mounted sampling pump flowmeter calibration connection piece of claim 6, wherein the connection tail section (2), the first connection section (42) and the second connection section (43) are PVC pipes, and the connection head section (1) is a copper pipe.
9. The vehicle-mounted sampling pump flowmeter calibration connection according to any one of claims 1 to 8, wherein the connection head section (1) is in threaded connection with a measurement port of a gas smoke sampler calibration device, and the connection tail section (2) is in threaded connection with an air inlet of a vehicle-mounted sampling pump flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122692999.9U CN216349014U (en) | 2021-11-04 | 2021-11-04 | Calibration connector for vehicle-mounted sampling pump flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122692999.9U CN216349014U (en) | 2021-11-04 | 2021-11-04 | Calibration connector for vehicle-mounted sampling pump flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216349014U true CN216349014U (en) | 2022-04-19 |
Family
ID=81135581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122692999.9U Expired - Fee Related CN216349014U (en) | 2021-11-04 | 2021-11-04 | Calibration connector for vehicle-mounted sampling pump flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216349014U (en) |
-
2021
- 2021-11-04 CN CN202122692999.9U patent/CN216349014U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220419 |