CN208223566U - A kind of new plug-in differential pressure flowmeter - Google Patents
A kind of new plug-in differential pressure flowmeter Download PDFInfo
- Publication number
- CN208223566U CN208223566U CN201820924239.1U CN201820924239U CN208223566U CN 208223566 U CN208223566 U CN 208223566U CN 201820924239 U CN201820924239 U CN 201820924239U CN 208223566 U CN208223566 U CN 208223566U
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- CN
- China
- Prior art keywords
- differential pressure
- detecting head
- new plug
- detection bar
- carrying platform
- 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.)
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Abstract
The utility model discloses a kind of new plug-in differential pressure flowmeters, including sequentially connected detecting head, detection bar, carrying platform and main body, it is wrapped up outside detection bar and is provided with a locking device, locking device is fixedly connected with to test tube, it is circular cross-section at the top of the detecting head, detecting head is connected with height gas-guide tube, and the setting of height gas-guide tube is inside detection bar and passes through carrying platform, and detecting head and detection bar are welded to connect and place temperature sensor in the cavity in detecting head；It is fixed with main body by fastener connection type on the carrying platform, main body includes differential pressure pick-up, baroceptor, circuit board and three-way magnetic valve, the two entrances and one outlet of three-way magnetic valve are separately connected height gas-guide tube, and the lead-out wire of differential pressure pick-up and baroceptor is separately connected circuit board.The detection head shapes of the present apparatus are designed as diamond-shaped cross-section rounding off, have the function of that fixedly separated point and pressure difference are stable, are adapted to bidirectional measurement.
Description
Technical field
The utility model relates to pipeline flow detection devices, more particularly to a kind of new plug-in differential pressure flowmeter.
Background technique
In the prior art, sensing element is the detection bar being inserted into pipeline in mean velocity tube flowmeter structure, as most
Main probe portion has been largely fixed the measuring accuracy of flowmeter.Traditional even speed tube differential pressure flowmeter meets stream
Face is provided with pairs of pressure port, and pressure measured by fluoran stream surface is stagnation pressure, and the pressure hole site of general lee side is located at the axis of pipeline
At line center, the static pressure that the pressure value obtained is fluid is tested.Mean velocity tube flowmeter is exactly to utilize fluoran stream surface and lee side point
The relationship of the total pressure and static pressure that do not measure tests pipe flow speed, and then obtains the gas flow of pipeline.The inspection of above-mentioned apparatus
Survey result fluctuation greatly, there is the particular/special requirements of installation direction.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of new plug-in differential pressure flowmeter,
The device has bidirectional measurement function, and pressure difference is stablized in detection process, and testing result is accurate.
In order to achieve the above object, the technical solution adopted in the utility model is: a kind of new plug-in differential pressure flowmeter,
Including sequentially connected detecting head, detection bar, carrying platform and main body, is wrapped up outside detection bar and be provided with a locking device, locked
Device is fixedly connected with to test tube, is circular cross-section at the top of the detecting head, and detecting head is connected with height gas-guide tube, high-and low guiding
Tracheae setting is inside detection bar and passes through carrying platform, and detecting head is welded to connect with detection bar and pacifies in the cavity in detecting head
Put temperature sensor；Fixed with main body by fastener connection type on the carrying platform, main body include differential pressure pick-up,
Baroceptor, circuit board and three-way magnetic valve, the two entrances and one outlet of three-way magnetic valve are separately connected height air guide
The lead-out wire of pipe, differential pressure pick-up and baroceptor is separately connected circuit board.
Further, one end of detecting head as described above is opened up there are three circular hole, the shape near-rhombic of circular cross-section.
Further, detecting head as described above is fixed with height gas-guide tube by soldering connection.
Further, temperature sensor as described above connects circuit board by lead-out wire.
Further, sealing ring is equipped between locking device as described above and pipe under test.
Further, locking device as described above is to form with externally threaded nonstandard nut.
Further, sealing ring is equipped between height gas-guide tube and carrying platform as described above.
Further, three-way magnetic valve as described above is separately connected differential pressure pick-up and baroceptor.
Further, circuit board as described above is connected by connecting line with Electromagnetic Flow crossover display terminal.
Compared with prior art, the utility model has the beneficial effects that the present apparatus has fixation by using for reference diamond-shaped cross-section
The characteristics of burble point, devises the angular section in left and right ends, while using for reference various streamlined curved surfaces and being conducive to pressure difference stabilization
The characteristics of, the feature of arc transition is devised, in order to make novel plug-in type differential pressure flowmeter have the function of bidirectional measurement, if
The symmetrical cross section structure in front and back is counted.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the detecting head perspective view one of the utility model；
Fig. 3 is the detecting head perspective view two of the utility model.
The label in accompanying drawing is: 1. detecting heads；2. detecting bar；3. locking device；4. carrying platform；5. main body；6. circuit
Plate；7. height gas-guide tube；8. pressure port；9. circular cross-section.
Specific embodiment
Be described in detail below with reference to embodiment referring to attached drawing, so as to the technical characteristics of the utility model and advantage into
Row deeper into annotation.
As shown in Figure 1-3, a kind of new plug-in differential pressure flowmeter of the utility model, including sequentially connected detecting head
1, detection bar 2, carrying platform 4 and main body 5, detection bar 2 wraps up outside is provided with a locking device 3, and locking device 3 is consolidated with to test tube
Fixed connection is circular cross-section 9, detecting head 1 and height at the top of the detecting head 1 so as to detect to the flow in test tube
Gas-guide tube 7 is connected, and the setting of height gas-guide tube 7 is in 2 inside of detection bar and passes through carrying platform 4, and detecting head 1 and detection bar 2 weld
Temperature sensor is placed in cavity in connection and detecting head 1；It is connect with main body 5 by fastener on the carrying platform 4
Mode is fixed, main body 5 include differential pressure pick-up, baroceptor, circuit board 6 and three-way magnetic valve, two of three-way magnetic valve
Entrance and one outlet are separately connected height gas-guide tube 7, and the lead-out wire of differential pressure pick-up and baroceptor is separately connected circuit
Plate 6.
Further, one end of the detecting head 1 is opened up there are three circular hole, the shape near-rhombic of circular cross-section 9, round
The streamlined curved surface of arc transition is conducive to pressure difference and stablizes, and the symmetrical cross section structure in front and back can make it have the function of bidirectional measurement
Can, the detecting head 1 is fixed with height gas-guide tube 7 by soldering connection, and the temperature sensor is connected by lead-out wire
Circuit board 6, is equipped with sealing ring between the locking device 3 and pipe under test, the locking device 3 is with externally threaded non-
Nut composition is marked, sealing ring is equipped between the height gas-guide tube 7 and carrying platform 4, the three-way magnetic valve connects respectively
Differential pressure pick-up and baroceptor are connect, the circuit board 6 is connected by connecting line with Electromagnetic Flow crossover display terminal, in this way
Flow number can be directly displayed by Electromagnetic Flow crossover display terminal, can also increase displays temperature numerical value certainly.
1 structural schematic diagram of detecting head in Fig. 2-3, two of them circular hole are pressure port 8, and pressure port 8 is through detecting head 1
Top and corresponding with the two sides of diamond shape circular cross-section 9, while rounding off processing is carried out to the corner of detecting head 1.
In the present apparatus, circuit board 6 and various sensors etc. are the prior art or material, and affiliated technical staff is according to institute
The product type and specification needed can directly be bought from market or tailor-made.
Clear, complete description is carried out to the utility model by the technical solution in above embodiments, it is clear that described
Embodiment be the utility model a part embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Claims (9)
1. a kind of new plug-in differential pressure flowmeter, which is characterized in that including sequentially connected detecting head (1), detection bar (2),
Carrying platform (4) and main body (5), package is provided with a locking device (3) outside for detection bar (2), and locking device (3) is consolidated with to test tube
Fixed connection, the detecting head (1) top is circular cross-section (9), and detecting head (1) is connected with height gas-guide tube (7), height air guide
Pipe (7) setting is internal in detection bar (2) and passes through carrying platform (4), and detecting head (1) is welded to connect and detects with detection bar (2)
Temperature sensor is placed in cavity in head (1)；Pass through fastener connection type with main body (5) on the carrying platform (4)
Fixed, main body (5) includes differential pressure pick-up, baroceptor, circuit board (6) and three-way magnetic valve, and two of three-way magnetic valve
Entrance and one outlet are separately connected height gas-guide tube (7), and the lead-out wire of differential pressure pick-up and baroceptor is separately connected electricity
Road plate (6).
2. new plug-in differential pressure flowmeter according to claim 1, which is characterized in that the one of the detecting head (1)
Hold circular hole there are three opening up, the shape near-rhombic of circular cross-section (9).
3. new plug-in differential pressure flowmeter according to claim 2, which is characterized in that the detecting head (1) and height
Low gas-guide tube (7) is fixed by soldering connection.
4. new plug-in differential pressure flowmeter according to claim 1, which is characterized in that the temperature sensor passes through
Lead-out wire connects circuit board (6).
5. new plug-in differential pressure flowmeter according to claim 1, which is characterized in that the locking device (3) with
Sealing ring is equipped between pipe under test.
6. new plug-in differential pressure flowmeter according to claim 5, which is characterized in that the locking device (3) is
It is formed with externally threaded nonstandard nut.
7. new plug-in differential pressure flowmeter according to claim 1, which is characterized in that the height gas-guide tube (7)
Sealing ring is equipped between carrying platform (4).
8. new plug-in differential pressure flowmeter according to claim 1, which is characterized in that the three-way magnetic valve difference
Connect differential pressure pick-up and baroceptor.
9. new plug-in differential pressure flowmeter according to claim 8, which is characterized in that the circuit board (6) passes through
Connecting line is connected with Electromagnetic Flow crossover display terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820924239.1U CN208223566U (en) | 2018-06-14 | 2018-06-14 | A kind of new plug-in differential pressure flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820924239.1U CN208223566U (en) | 2018-06-14 | 2018-06-14 | A kind of new plug-in differential pressure flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208223566U true CN208223566U (en) | 2018-12-11 |
Family
ID=64505710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820924239.1U Expired - Fee Related CN208223566U (en) | 2018-06-14 | 2018-06-14 | A kind of new plug-in differential pressure flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208223566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871470A (en) * | 2018-06-14 | 2018-11-23 | 东莞理工学院 | A kind of new plug-in differential pressure flowmeter |
-
2018
- 2018-06-14 CN CN201820924239.1U patent/CN208223566U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871470A (en) * | 2018-06-14 | 2018-11-23 | 东莞理工学院 | A kind of new plug-in differential pressure flowmeter |
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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 |
Granted publication date: 20181211 Termination date: 20190614 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |