CN208458802U - A kind of vortex-shedding meter of double check - Google Patents
A kind of vortex-shedding meter of double check Download PDFInfo
- Publication number
- CN208458802U CN208458802U CN201821106234.4U CN201821106234U CN208458802U CN 208458802 U CN208458802 U CN 208458802U CN 201821106234 U CN201821106234 U CN 201821106234U CN 208458802 U CN208458802 U CN 208458802U
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- China
- Prior art keywords
- connecting rod
- detection
- baffle
- speed
- vortex
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Abstract
The utility model belongs to detection device technical field, more particularly, to a kind of vortex-shedding meter of double check.The inside both ends of the connecting flange pipe are fixed with fixed bracket, connecting rod is fixed among the fixed bracket in left side, the upper movable sleeve of connecting rod is connected to detection impeller, the right end of the connecting rod is connected with detection connecting rod by rotating connecting shaft, the right end of detection connecting rod is fixed among the fixation bracket on right side, extension spring is socketed on the detection connecting rod, the right end of extension spring is connected with the baffle that tests the speed, the test the speed centre of baffle is provided with inductance loop, and the surface for the baffle that tests the speed is provided with several induction windows, and induction window is connect with electronic digital display table;It increases flow monitor on the basis of traditional liquid vortex-shedding meter, is detected according to the proportionate relationship of flow velocity and impact force to flow velocity, has the function that assist detection flows, avoiding the problem that traditional vortex-shedding meter impeller is stuck leads to equipment damage.
Description
Technical field
The utility model belongs to detection device technical field, more particularly, to a kind of vortex-shedding meter of double check.
Background technique
Turbine flowmeter is a kind of using impeller angular velocity of rotation relationship proportional to the fluid flow rate through flowing, and passes through measurement
Wheel speed reacts the fluid instantaneous flow size through flowing.Because turbine flowmeter is adaptable, is swift in response to changes in flow rate, again
The features such as renaturation is good, anti-interference strong, the pressure loss is small, is reused in aerospace hydraulic drive and servo component.
Although turbine flowmeter has the aviation of high requirement to the life and reliability of component using advantages
Space industry, it is desirable that turbine flowmeter properties of product stablize, can be subjected to " stress burst, destructiveness, high/low temperature, mould, salt fog,
The Multitests such as vibration, fatigue " will be greater than especially with the service life up to 10-20 or MTBF (mean free error time)
5000h proposes very high requirement to the product reliability design of turbine flowmeter.
And traditional turbine flowmeter detection function is relatively simple, and it, must when there is impeller failure or equipment fault
The problem of must stop replacement, influence the process of processing.
Utility model content
The purpose of this utility model is that in view of the drawbacks of the prior art and insufficient, provide that a kind of structure is simple, and design is closed
Reason, easy to use, the vortex-shedding meter of double check, it increases flow velocity inspection on the basis of traditional liquid vortex-shedding meter
Device is surveyed, flow velocity is detected according to the proportionate relationship of flow velocity and impact force, has the function that assist detection flows, avoids passing
It unites vortex-shedding meter impeller stuck the problem of leading to equipment damage.
In order to achieve the above purposes, the technical solution adopted by the utility model is:, and it includes connecting flange pipe, electromagnetic induction
Column, electronic digital display table, fixed bracket, connecting rod, detection impeller, rotation connecting shaft, extension spring, the baffle that tests the speed, inductance loop, sense
Answer window, detection connecting rod；The upper end of the connecting flange pipe is connected with electromagnetic induction column, and the upper end of electromagnetic induction column is connected with electricity
Sub- digital display meter；The inside both ends of the connecting flange pipe are fixed with fixed bracket, are fixed with connection among the fixed bracket in left side
Bar, the upper movable sleeve of connecting rod are connected to detection impeller, and the right end of the connecting rod is connected with detection company by rotating connecting shaft
Bar, the right end for detecting connecting rod are fixed among the fixation bracket on right side, are socketed with extension spring on the detection connecting rod, are stretched
The right end of spring is connected with the baffle that tests the speed, and the centre for the baffle that tests the speed is provided with inductance loop, and the surface for the baffle that tests the speed is provided with number
A induction window, and induction window is connect with electronic digital display table.
Preferably, the baffle that tests the speed is W-shaped structure, and outside is provided with circle connection hole slot.
Preferably, the detection impeller is corresponded to each other with electromagnetic induction column.
Preferably, the occupied area of the outer diameter of the baffle that tests the speed be connecting flange pipe runner pipe area three/
One.
After adopting the above structure, the utility model has the beneficial effect that a kind of whirlpool of double check described in the utility model
Street flowmeter, it increases flow monitor on the basis of traditional liquid vortex-shedding meter, according to flow velocity and impact force
Proportionate relationship detects flow velocity, has the function that assist detection flows, avoids traditional vortex-shedding meter impeller is stuck from causing
The problem of equipment damage.The advantages that the utility model has structure simple, and setting is reasonable, low manufacture cost.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is 9 structural schematic diagram of baffle that tests the speed of the utility model.
Description of symbols:
Connecting flange pipe 1, electromagnetic induction column 2, electronic digital display table 3, fixed bracket 4, connecting rod 5, detection impeller 6, rotation
Connecting shaft 7, extension spring 8, the baffle 9 that tests the speed, inductance loop 10, induction window 11, detection connecting rod 12.
Specific embodiment
With reference to the accompanying drawing, the utility model is further described.
Referring to as shown in Figure 1 and Figure 2, present embodiment adopts the following technical scheme that it includes connecting flange pipe 1, electricity
Magnetic induction column 2, fixed bracket 4, connecting rod 5, detection impeller 6, rotation connecting shaft 7, extension spring 8, tests the speed at electronic digital display table 3
Baffle 9, inductance loop 10, induction window 11, detection connecting rod 12；The upper end of the connecting flange pipe 1 is connected with electromagnetic induction column 2,
The upper end of electromagnetic induction column 2 is connected with electronic digital display table 3；The inside both ends of the connecting flange pipe 1 are fixed with fixed bracket
4, left side, which is fixed among bracket 4, is fixed with connecting rod 5, and the upper movable sleeve of connecting rod 5 is connected to detection impeller 6, the connecting rod 5
Right end by rotate connecting shaft 7 be connected with detection connecting rod 12, detection connecting rod 12 right end be fixed on right side fixation bracket 4 in
Between, extension spring 8 is socketed on the detection connecting rod 12, the right end of extension spring 8 is connected with the baffle 9 that tests the speed, and test the speed baffle 9
Centre be provided with inductance loop 10, and the surface for the baffle 9 that tests the speed is provided with several induction windows 11, and induction window 11 and electronic digital display
Table 3 connects.
Wherein, the baffle 9 that tests the speed is W-shaped structure, and outside is provided with circle connection hole slot 13；The detection leaf
Wheel 6 is corresponded to each other with electromagnetic induction column 2；The occupied area of the outer diameter of the baffle 9 that tests the speed is 1 runner pipe face of connecting flange pipe
Long-pending one third.
The working principle of this specific embodiment:: first liquid on the left of connecting flange pipe 1 enter drive detection impeller 6 into
Row rotation, and carries out flow detection under the cooperation of electromagnetic induction column 2, and at the same time, liquid and the baffle 9 that tests the speed collide punching
When hitting, the baffle 9 that tests the speed can be pushed backwards, and formerly backward in motion process, inductance loop 10 and induction window 11 cooperate and incude
The distance that the baffle 9 that tests the speed is pushed is measured, and according to momentum theorem F*t=mv2-mv1, in the unit time, the river of phase homogenous quantities
Water, flow velocity is bigger, and velocity variable is bigger, bigger to the impact force of stone；Carry out the calculating of flow, wherein v1 To stand shape
Flow velocity value under state is zero.
Present embodiment increases flow monitor on the basis of traditional liquid vortex-shedding meter, according to flow velocity
Flow velocity is detected with the proportionate relationship of impact force, has the function that assist detection flows, avoids traditional vortex-shedding meter leaf
Take turns stuck the problem of leading to equipment damage.
The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple
The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope should all cover in the scope of the claims of the utility model.
Claims (4)
1. a kind of vortex-shedding meter of double check, it is characterised in that: it include connecting flange pipe (1), electromagnetic induction column (2),
Electronic digital display table (3), connecting rod (5), detection impeller (6), rotation connecting shaft (7), extension spring (8), is surveyed fixed bracket (4)
Speed gear plate (9), inductance loop (10), induction window (11), detection connecting rod (12)；The upper end of the connecting flange pipe (1) is connected with
Electromagnetic induction column (2), the upper end of electromagnetic induction column (2) are connected with electronic digital display table (3)；The connecting flange pipe (1) it is interior
Side both ends are fixed with fixed bracket (4), and left side is fixed with connecting rod (5) among fixed bracket (4), the upper activity of connecting rod (5)
It is socketed with detection impeller (6), the right end of the connecting rod (5) is connected with detection connecting rod (12), inspection by rotating connecting shaft (7)
The right end for surveying connecting rod (12) is fixed among the fixation bracket (4) on right side, is socketed with stretching bullet on the detection connecting rod (12)
Spring (8), the right end of extension spring (8) are connected with the baffle that tests the speed (9), and the centre of the baffle that tests the speed (9) is provided with inductance loop (10), and
The test the speed surface of baffle (9) is provided with several induction windows (11), and induction window (11) is connect with electronic digital display table (3).
2. a kind of vortex-shedding meter of double check according to claim 1, it is characterised in that: the baffle that tests the speed
It (9) is W-shaped structure, and outside is provided with circle connection hole slot (13).
3. a kind of vortex-shedding meter of double check according to claim 1, it is characterised in that: the detection impeller
(6) it is corresponded to each other with electromagnetic induction column (2).
4. a kind of vortex-shedding meter of double check according to claim 1, it is characterised in that: the baffle that tests the speed
(9) occupied area of outer diameter is the one third of connecting flange pipe (1) runner pipe area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821106234.4U CN208458802U (en) | 2018-07-12 | 2018-07-12 | A kind of vortex-shedding meter of double check |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821106234.4U CN208458802U (en) | 2018-07-12 | 2018-07-12 | A kind of vortex-shedding meter of double check |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208458802U true CN208458802U (en) | 2019-02-01 |
Family
ID=65171096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821106234.4U Expired - Fee Related CN208458802U (en) | 2018-07-12 | 2018-07-12 | A kind of vortex-shedding meter of double check |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208458802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103019A (en) * | 2019-12-23 | 2020-05-05 | 赵敏 | Double-measurement liquid flowmeter based on flow resistance |
-
2018
- 2018-07-12 CN CN201821106234.4U patent/CN208458802U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103019A (en) * | 2019-12-23 | 2020-05-05 | 赵敏 | Double-measurement liquid flowmeter based on flow resistance |
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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: 20190201 Termination date: 20200712 |