CN212722938U - Built-in contact type portable propeller flow velocity measuring device - Google Patents
Built-in contact type portable propeller flow velocity measuring device Download PDFInfo
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- CN212722938U CN212722938U CN202021774637.3U CN202021774637U CN212722938U CN 212722938 U CN212722938 U CN 212722938U CN 202021774637 U CN202021774637 U CN 202021774637U CN 212722938 U CN212722938 U CN 212722938U
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- 238000005259 measurement Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 18
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
A built-in contact type portable propeller flow velocity measuring device belongs to the technical field of propeller type flow velocity measuring and calculating equipment. The portable propeller flow velocity measurement device with the built-in contact comprises a propeller type flow velocity meter, measuring rods and a flow velocity meter counter, wherein the propeller type flow velocity meter comprises a speed measurement propeller and an empennage component which are connected through a connecting rod, the propeller type flow velocity meter further comprises two contacts arranged inside the connecting rod, the top of each measuring rod is provided with two measuring rod inner contacts and two measuring rod outer contacts, the two measuring rod inner contacts and the two measuring rod outer contacts are correspondingly connected, and the two contacts of the propeller type flow velocity meter are correspondingly connected with the flow velocity meter counter through the two measuring rod inner contacts and the two measuring rod outer contacts. The built-in contact type portable propeller flow velocity measuring device has the advantages that the contacts are arranged inside the tube wall of the propeller type flow velocity meter and isolated from a water body, the flow velocity is measured and calculated in a wiring mode in the tube, the contacts are prevented from being corroded by the water body, and the service life of the contact type portable propeller flow velocity measuring device is prolonged.
Description
Technical Field
The utility model relates to a propeller type velocity of flow measuring equipment technical field, in particular to portable propeller velocity of flow measuring device of built-in contact.
Background
Existing portable flow rate estimation devices typically operate with signal line contacts located below the water surface, i.e., with the meter counter directly connected to the outside of the propeller type meter. For example, a portable flowmeter model LS20B, known as a "propeller type flowmeter," measures the fluid flow rate through a flowmeter counter attached to the outer wall of the propeller type flowmeter. The mode of connecting the current meter counter to the outer wall of the propeller type current meter through the signal wire has the defects that the propeller type current meter needs to be sunk into a water body during use, certain water body is seriously polluted, and the corrosion is strong, so that the problems of high contact oxidation speed, short service life, instable voltage near a contact and influence on the reading accuracy of the current meter counter exist.
In addition, in the process of actually measuring the flow velocity of the water body, the situation that the distance between the observation point and the water surface is too far can occur, the existing portable flow velocity measuring and calculating equipment usually works in a suspension cable mode, namely, a flow velocity meter is sunk into the water through a suspension cable, the flow velocity meter can swing in the water body due to the fact that the flow velocity meter has the problems that the speed measurement result of the flow velocity meter is inaccurate, and even the meter is lost.
SUMMERY OF THE UTILITY MODEL
In order to solve prior art and have that contact oxidation rate is fast, life is low, counter reading accuracy subalternation technical problem, the utility model provides a portable propeller velocity of flow measuring device of built-in contact arranges the contact in propeller type current meter pipe wall inside isolated with the water, accomplishes measuring and calculating to the velocity of flow through the mode of intraductal line of walking, avoids the contact to receive the water corrosion, prolongs its life.
In order to realize the purpose, the technical scheme of the utility model is that:
the utility model provides a portable propeller velocity of flow measuring device of built-in contact, includes propeller type current meter, measuring bar and current meter counter, propeller type current meter includes speed measurement propeller and the fin part of connecting through the connecting rod, propeller type current meter is still including setting up in the inside two contacts of connecting rod, the top of measuring bar is provided with two measuring bar inner contacts and two measuring bar outer contacts, two measuring bar inner contacts and two measuring bar outer contacts correspond the connection, two contacts of propeller type current meter are correspondingly connected with the current meter counter through two measuring bar inner contacts and two measuring bar outer contacts.
Further, the two measuring rod inner contacts and the two measuring rod outer contacts are correspondingly connected and specifically set as follows: the two measuring rod inner contacts are positioned on the inner side of the top of the measuring rod, the two measuring rod outer contacts are positioned on the outer side of the top of the measuring rod, one measuring rod inner contact is connected with one measuring rod outer contact, and the other measuring rod inner contact is connected with the other measuring rod outer contact.
Further, two contacts of the propeller type current meter are correspondingly connected with the counter of the current meter through two inner contacts of the measuring bar and two outer contacts of the measuring bar, and the specific setting is as follows: one of the two contacts is connected with the current meter counter through a signal wire sequentially through an inner measuring rod contact and an outer measuring rod contact; the other contact of the two contacts is connected with the current meter counter through a signal wire sequentially through the inner contact of the other measuring rod and the outer contact of the other measuring rod.
The utility model discloses in, the propeller that tests the speed is located propeller type current meter front end, and the fin part is located propeller type current meter terminal, and two contacts set up in the inner wall of connecting rod, and propeller type current meter's connecting rod can be dismantled with the measuring staff and be connected, and in this embodiment, the structure of propeller type current meter all adopts prior art, just installs inside propeller type current meter two contacts with propeller type current meter.
Furthermore, the top end of the measuring rod is connected with an extension rod or the top end of the measuring rod is sequentially connected with a plurality of extension rods, each end of each extension rod is provided with two extension rod inner contacts and two extension rod outer contacts, the two extension rod inner contacts and the two extension rod outer contacts at each end of each extension rod are correspondingly connected, and the extension rod inner contacts at the two ends of the same extension rod are correspondingly connected through signal lines.
Furthermore, the two extension bar inner contacts at each end of the extension bar and the two extension bar outer contacts are correspondingly connected with each other by the following specific setting: the contact is located the inboard of growth pole tip in two extension bars, and the outer contact of two extension bars is located the outside of growth pole tip, and wherein, contact and the outer contact connection of an extension bar in the extension bar, contact and the outer contact connection of another extension bar in another extension bar.
Further, the extension bar inner contacts at two ends of the same extension bar are correspondingly connected through signal lines, and the arrangement is as follows: the contact point in one extension bar at one end of the extension bar is connected with the contact point in the other end of the extension bar through a signal wire, and the contact point in the other extension bar at one end of the extension bar is connected with the contact point in the other extension bar at the other end of the extension bar through a signal wire.
Furthermore, when the top end of the measuring rod is connected with one extension rod, the top end of the measuring rod is connected with one end of the extension rod through a screw thread, two outer contacts of the measuring rod are respectively in contact connection with two outer contacts of the extension rod at one end of the extension rod, and two outer contacts of the extension rod at the other end of the extension rod are respectively connected with a current meter counter through a signal line.
Furthermore, when the top ends of the measuring rods are sequentially connected with a plurality of lengthening rods, the top ends of the measuring rods are connected with the adjacent lengthening rods through screw threads, and the plurality of lengthening rods are connected through screw threads; two survey pole outer contacts are connected with two extension pole outer contacts contact of adjacent extension pole one end respectively, and two extension pole outer contacts of the extension pole other end are connected with two extension pole outer contacts contact of the extension pole one end of next respectively, and a plurality of extension pole loops through the outer contact connection of the extension pole that corresponds, and the extension pole outer contact and the current meter counter of the last extension pole other end pass through the signal line and are connected.
Furthermore, the bottom end of the measuring rod is provided with a supporting plate, and the upper part of the measuring rod is provided with a direction indicator.
The utility model has the advantages that:
1) the utility model is suitable for the measurement and calculation of the flow velocity of the water body with serious pollution, the contact is arranged at the inner side of the pipe wall of the propeller type current meter, the direct contact of the propeller type current meter contact and the water body can be effectively avoided, the contact is prevented from being corroded by the water body, and the service life of the contact is prolonged;
2) the utility model has the advantages that the contacts are internally arranged, thus effectively eliminating the defects of high oxidation speed, short service life, unstable voltage and low reading accuracy of the contacts of the traditional propeller type current meter;
3) the utility model avoids the phenomena of inaccurate speed measurement result or instrument loss caused by the swing of the propeller type current meter in the water body by arranging the extension bar;
4) the contact is arranged at the connecting end part of the measuring rod and the lengthening rod, and the contact in the propeller type current meter is connected with the counter of the current meter through the contact, so that the installation efficiency and the reading accuracy of the counter are improved.
Additional features and advantages of the invention will be set forth in part in the detailed description which follows.
Drawings
Fig. 1 is a schematic structural diagram of a portable propeller flow velocity measuring device with a built-in contact point according to the present invention;
fig. 2 is a schematic diagram of the contact setting at the joint of the measuring rod and the extension rod provided by the present invention.
Reference numerals in the drawings of the specification include:
1-support plate, 2-measuring rod, 3-connecting rod, 4-speed measuring propeller, 5-signal line, 6-direction indicator, 7-measuring rod external contact, 8-screw thread, 9-increasing rod external contact, 10-increasing rod, 11-connecting contact, 12-measuring rod internal contact, 13-flow meter counter, 14-empennage component, 15-contact and 16-increasing rod internal contact.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "vertical", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In order to solve the problem that prior art exists, as shown in fig. 1 and fig. 2, the utility model provides a portable oar current velocity measurement device of rotating of built-in contact formula, including oar formula current velocity meter, measuring staff 2 and current velocity meter counter 13, oar formula current velocity meter includes speed measurement oar 4 and fin part 14 connected through connecting rod 3, and oar formula current velocity meter is still including setting up in two contacts 15 of connecting rod 3 inside, and measuring staff 2's top is provided with two measuring staff inner contact 12 and two measuring staff outer contact 7, and two measuring staff inner contact 12 and two measuring staff outer contact 7 correspond and connect, specifically set up to: the two measuring rod inner contacts 12 are positioned on the inner side of the top of the measuring rod 2, the two measuring rod outer contacts 7 are positioned on the outer side of the top of the measuring rod 2, one measuring rod inner contact 12 is connected with one measuring rod outer contact 7, and the other measuring rod inner contact 12 is connected with the other measuring rod outer contact 7; two contacts 15 of the propeller type current meter are correspondingly connected with a current meter counter 13 through two measuring rod inner contacts 12 and two measuring rod outer contacts 7, and the two contacts are specifically set as follows: one contact 15 of the two contacts 15 is connected with the current meter counter 13 through the signal wire 5 sequentially through the measuring rod inner contact 12 and the measuring rod outer contact 7; the other contact 15 of the two contacts 15 is connected with the current meter counter 13 through the signal wire 5 sequentially through the other measuring rod inner contact 12 and the other measuring rod outer contact 7.
The utility model discloses in, speed measuring propeller 4 is located propeller type current meter front end, fin part 14 is located propeller type current meter end, two contacts 15 set up in the inner wall of connecting rod 3, connecting rod 3 and measuring staff 2 of propeller type current meter can dismantle and be connected, in this embodiment, the structure of propeller type current meter all adopts prior art, only install two contacts 15 of propeller type current meter inside propeller type current meter, two contacts 15 in the propeller type current meter are passed through signal line 5 and are followed propeller type current meter, the inside of measuring staff 2 is through corresponding with current meter counter 13 and be connected, in order to improve the accuracy nature of installation work efficiency and current meter counter 13 count, realize two contacts 15 in the propeller type current meter and be connected with the correspondence of current meter counter 13 through setting up in each contact of measuring staff 2.
As preferred embodiment, an extension bar 10 is connected on the top of measuring staff 2 or a plurality of extension bar 10 is connected in proper order on the top of measuring staff 2, and every end that increases bar 10 is equallyd divide and is provided with two extension bar internal contact 16 and two extension bar external contact 9 respectively to two extension bar internal contact 16 and two extension bar external contact 9 of every end of extension bar 10 correspond the connection, specifically set up to: the two extension bar inner contacts 16 are positioned on the inner side of the end part of the extension bar 10, and the two extension bar outer contacts 9 are positioned on the outer side of the end part of the extension bar 10, wherein one extension bar inner contact 16 is connected with one extension bar outer contact 9, and the other extension bar inner contact 16 is connected with the other extension bar outer contact 9; the extension bar inner contacts 16 at two ends of the same extension bar 10 are correspondingly connected through the signal line 5, and are specifically set as follows: one extension bar inner contact 16 at one end of the extension bar 10 is connected with one extension bar inner contact 16 at the other end of the extension bar 10 through a signal line 5, and the other extension bar inner contact 16 at one end of the extension bar 10 is connected with the other extension bar inner contact 16 at the other end of the extension bar 10 through a signal line 5.
As shown in fig. 1 and 2, when the top end of the measuring rod 2 is connected with an extension rod 10, the top end of the measuring rod 2 is connected with one end of the extension rod 10 through a screw thread 8, two outer measuring rod contacts 7 are respectively in contact connection with two outer extension rod contacts 9 at one end of the extension rod 10, and two outer extension rod contacts 9 at the other end of the extension rod 10 are respectively connected with a current meter counter 13 through a signal line 5. When the top end of the measuring rod 2 is sequentially connected with a plurality of lengthening rods 10, the top end of the measuring rod 2 is connected with the adjacent lengthening rod 10 through a screw thread 8, and the plurality of lengthening rods 10 are connected through screw threads; two survey pole outer contacts 7 respectively with two extension pole outer contacts 9 contact connection of adjacent extension pole 10 one end, two extension pole outer contacts 9 of the extension pole 10 other end respectively with two extension pole outer contacts 9 contact connection of next extension pole 10 one end, a plurality of extension pole 10 loops through the extension pole outer contact 9 contact connection that corresponds, the extension pole outer contact 9 and the current meter counter 13 of last extension pole 10 other end pass through signal line 5 and are connected. That is, two contacts 15 in the propeller type odometer are connected to the odometer counter 13 through corresponding contacts in the measuring rod 2 and the increment rod 10 in sequence.
The utility model discloses in, an extension bar 10 is connected on the top of measuring staff 2 still connects gradually a plurality of extension bar 10 and confirms according to the water degree of depth and measurement needs. When the lengthening rod 10 and the measuring rod 2 are screwed up through the screw thread 8, the adjacent measuring rod external contact 7 is communicated with the lengthening rod external contact 9; when two adjacent extension bars 10 are screwed up through the screw thread, the extension bar outer contact 9 of the two adjacent extension bars 10 is communicated with the extension bar outer contact 9.
The bottom of measuring staff 2 is provided with layer board 1, and the upper portion of measuring staff 2 is provided with direction mark 6.
The utility model relates to a built-in contact portable propeller velocity of flow measuring device's application method:
installing a flow velocity measuring device, installing the supporting plate 1, the measuring rod 2 and the propeller type flow velocity meter, and simultaneously connecting a contact 15 on the inner wall of the propeller type flow velocity meter with a flow velocity meter counter 13 through a contact of the measuring rod 2 in sequence or connecting the contact of the measuring rod 2 and the increasing rod 10 with the flow velocity meter counter 13; another contact 15 of the inner wall of the propeller type current meter is connected with a current meter counter 13 through a contact of the measuring rod 2 in sequence, or is connected with the current meter counter 13 through contacts of the measuring rod 2 and the extension rod 10, when the current meter counter 13 is connected with the contact of the measuring rod 2 or the extension rod 10, a connecting contact 11 is arranged at the end part of a signal wire 5 connected with the current meter counter 13 and is used for being connected with the contact of the measuring rod 2 or the extension rod 10; a contact 15 of the propeller type current meter is connected with contacts of each component of the measuring rod 2, the growth rod 10 and the current meter counter 13 through a signal wire 5 and transmits signals, and the signal wire 5 is positioned inside the propeller type current meter, the measuring rod 2 and the growth rod 10;
when the flow velocity is measured, the propeller type current meter is immersed into the water body, the direction of the current meter is determined through the direction indicator 6, the position of the current meter is fixed through the measuring rod 2, and the flow velocity of the water body is measured.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A built-in contact type portable propeller flow velocity measuring device comprises a propeller type flow velocity meter, a measuring rod and a flow velocity meter counter, wherein the propeller type flow velocity meter comprises a speed measuring propeller and a tail wing part which are connected through a connecting rod,
the propeller type current meter further comprises two contacts arranged inside the connecting rod, the top of the measuring rod is provided with two measuring rod inner contacts and two measuring rod outer contacts, the two measuring rod inner contacts and the two measuring rod outer contacts are correspondingly connected, and the two contacts of the propeller type current meter are correspondingly connected with a current meter counter through the two measuring rod inner contacts and the two measuring rod outer contacts.
2. The portable propeller flow rate measurement device with built-in contact according to claim 1, wherein the two measuring rod inner contacts and the two measuring rod outer contacts are correspondingly connected by being specifically configured as follows: the two measuring rod inner contacts are positioned on the inner side of the top of the measuring rod, the two measuring rod outer contacts are positioned on the outer side of the top of the measuring rod, one measuring rod inner contact is connected with one measuring rod outer contact, and the other measuring rod inner contact is connected with the other measuring rod outer contact.
3. The portable, internally-mounted contact-type propeller flow-rate measurement device according to claim 1, wherein the two contacts of the propeller-type current meter are correspondingly connected with the current meter counter through the two inner measuring rod contacts and the two outer measuring rod contacts, and are specifically configured as follows: one of the two contacts is connected with the current meter counter through a signal wire sequentially through an inner measuring rod contact and an outer measuring rod contact; the other contact of the two contacts is connected with the current meter counter through a signal wire sequentially through the inner contact of the other measuring rod and the outer contact of the other measuring rod.
4. The portable propeller flow rate measurement device of claim 1, wherein the top end of the measuring rod is connected with an extension rod or the top end of the measuring rod is sequentially connected with a plurality of extension rods, each end of the extension rod is respectively provided with two extension rod inner contacts and two extension rod outer contacts, the two extension rod inner contacts and the two extension rod outer contacts at each end of the extension rod are correspondingly connected, and the extension rod inner contacts at two ends of the same extension rod are correspondingly connected through signal lines.
5. The portable propeller flow rate measurement device with built-in contact according to claim 4, wherein the two extension bar inner contacts and the two extension bar outer contacts at each end of the extension bar are correspondingly connected to be specifically configured as follows: the contact is located the inboard of growth pole tip in two extension bars, and the outer contact of two extension bars is located the outside of growth pole tip, and wherein, contact and the outer contact connection of an extension bar in the extension bar, contact and the outer contact connection of another extension bar in another extension bar.
6. The portable propeller flow rate measurement device with a built-in contact point according to claim 4, wherein the extension bar inner contacts at two ends of the same extension bar are correspondingly connected through signal lines, and the extension bar inner contacts are specifically configured as follows: the contact point in one extension bar at one end of the extension bar is connected with the contact point in the other end of the extension bar through a signal wire, and the contact point in the other extension bar at one end of the extension bar is connected with the contact point in the other extension bar at the other end of the extension bar through a signal wire.
7. The portable propeller flow rate measurement device with built-in contact point as claimed in claim 4, wherein when the top end of the measuring rod is connected with an extension rod, the top end of the measuring rod is connected with one end of the extension rod through a screw thread, two outer contacts of the measuring rod are respectively connected with two outer contacts of the extension rod at one end of the extension rod in a contact manner, and two outer contacts of the extension rod at the other end of the extension rod are respectively connected with the current meter through signal lines.
8. The portable propeller flow rate measurement device with a built-in contact point according to claim 4, wherein when the top end of the measuring rod is sequentially connected with a plurality of extension rods, the top end of the measuring rod is connected with the adjacent extension rod through screw threads, and the plurality of extension rods are connected with each other through screw threads; two survey pole outer contacts are connected with two extension pole outer contacts contact of adjacent extension pole one end respectively, and two extension pole outer contacts of the extension pole other end are connected with two extension pole outer contacts contact of the extension pole one end of next respectively, and a plurality of extension pole loops through the outer contact connection of the extension pole that corresponds, and the extension pole outer contact and the current meter counter of the last extension pole other end pass through the signal line and are connected.
9. The portable propeller flow rate measurement device with built-in contact according to claim 1, wherein a support plate is provided at a bottom end of the measuring bar, and a direction indicator is provided at an upper portion of the measuring bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021774637.3U CN212722938U (en) | 2020-08-21 | 2020-08-21 | Built-in contact type portable propeller flow velocity measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021774637.3U CN212722938U (en) | 2020-08-21 | 2020-08-21 | Built-in contact type portable propeller flow velocity measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212722938U true CN212722938U (en) | 2021-03-16 |
Family
ID=74921169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021774637.3U Expired - Fee Related CN212722938U (en) | 2020-08-21 | 2020-08-21 | Built-in contact type portable propeller flow velocity measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212722938U (en) |
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2020
- 2020-08-21 CN CN202021774637.3U patent/CN212722938U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210316 |
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| CF01 | Termination of patent right due to non-payment of annual fee |