CN110567545A - Flowmeter with flow guide protection frame body - Google Patents
Flowmeter with flow guide protection frame body Download PDFInfo
- Publication number
- CN110567545A CN110567545A CN201910725450.XA CN201910725450A CN110567545A CN 110567545 A CN110567545 A CN 110567545A CN 201910725450 A CN201910725450 A CN 201910725450A CN 110567545 A CN110567545 A CN 110567545A
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- Prior art keywords
- detection head
- medium
- wire holder
- channel
- parallel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a flowmeter with a flow guide protection frame body, and relates to the technical field of flowmeters. Including being used for connecting wait to detect the flange of pipeline, be used for detecting the head that detects of medium flow, the flange is waiting to detect the lateral wall fixed connection of pipeline, detect the head with flange fixed connection, detect the head to wait to detect the inboard extension of pipeline, still including being used for the protection detect the protection framework of head, the protection framework is including being used for keeping apart the first grid tray of foreign matter at medium entering direction, being used for leaving the second grid tray of foreign matter, being used for in the medium direction of leaving the third grid tray of foreign matter, the guide plate that is used for reducing the messy stream in the medium flow direction are kept apart to the tip of detection head. The invention can solve the problem that the detection head is damaged by the impact of the metal floater for a long time.
Description
Technical Field
The invention relates to the technical field of flowmeters, in particular to a flowmeter with a flow guide protection frame body.
Background
The detection head of the currently used gas flowmeter is generally made of plastic or glass, and as shown in fig. 1, the detection head comprises a flange 01 for connecting a pipeline 09 to be detected and a detection head 02 for detecting, wherein the flange 01 is fixedly connected with the pipeline 09 to be detected on the outer side wall of the pipeline 09 to be detected, the detection head 02 is fixedly connected with the flange 01, and the detection head 02 extends towards the inner side of the pipeline 09 to be detected.
After long-term use, the detection head is easy to damage due to the impact of the metal floater, the service life is short, and the detection head needs to be frequently replaced; meanwhile, the safety of the user is greatly threatened.
To solve the above problem, chinese patent No. 201720676385.2 discloses a flow meter with a protective case. Although the restraint scheme can play a protective role and prevent the internal detection head from collapsing and injuring people, the detection head can be damaged, and the symptoms and the root causes are treated.
Disclosure of Invention
Aiming at the defects of the prior art, the invention discloses a flowmeter with a flow guide protection frame body, which can solve the problem that a detection head is damaged by the impact of a metal floater for a long time.
In order to achieve the purpose, the invention is realized by the following technical scheme:
A flowmeter with a diversion protection frame body comprises a flange used for connecting a pipeline to be detected, a detection head used for detecting medium flow, and a protection frame body used for protecting the detection head, wherein the flange is fixedly connected with the outer side wall of the pipeline to be detected, the detection head is fixedly connected with the flange, the detection head extends towards the inner side of the pipeline to be detected, the protection frame body comprises a first grid plate used for isolating foreign matters in the medium entering direction, a second grid plate used for isolating the foreign matters in the medium leaving direction, a third grid plate used for isolating the foreign matters at the end part of the detection head, and a diversion plate used for reducing turbulent flow in the medium flowing direction, the first grid plates are arranged in the medium entering direction, a first channel used for medium entering is formed between the adjacent first grid plates, and the second grid plates are arranged in the medium leaving direction, and a second channel for the medium to leave is formed between the adjacent second grid plates, a plurality of third grid plates are arranged at the end part of the detection head, a third channel for the medium to pass through is formed between the adjacent third grid plates, a plurality of guide plates are arranged at two sides of the detection head, and a fourth channel for the medium to leave is formed between the adjacent guide plates.
Preferably, the extending direction of the first grid plate is parallel to the radial direction of the detection head, and the extending direction of the first channel is parallel to the radial direction of the detection head.
Preferably, the extending direction of the second grid plate is parallel to the radial direction of the detection head, the extending direction of the second grid plate is parallel to the extending direction of the first grid plate, the extending direction of the second grid plate is parallel to the radial direction of the detection head, and the extending direction of the second channel is parallel to the extending direction of the second channel.
Further preferably, the extending direction of the three grid plates is parallel to the radial direction of the detection head, the extending direction of the three grid plates is parallel to the extending direction of the first grid plate, the extending direction of the three grid plates is parallel to the radial direction of the detection head, and the extending direction of the third channel is parallel to the extending direction of the second channel.
Further preferably, an included angle is formed between the extending direction of the guide plate and the extending direction of the first grid plate, the included angle is set to be an acute angle, an included angle is formed between the extending direction of the fourth channel and the extending direction of the first channel, and the included angle is set to be an acute angle.
Preferably, still include first wire holder, the one end of first wire holder with flange fixed connection the week lateral wall of first wire holder is equipped with the first wiring end that is used for the wiring, first wiring end is followed the radial extension of first wire holder.
Further preferably, the wire holder further comprises a second wire holder, one end of the second wire holder is fixedly connected with the other end of the first wire holder, a second wire terminal for wiring is arranged on the peripheral side wall of the second wire holder, and the second wire terminal extends along the radial direction of the second wire holder.
further preferably, a heat dissipation grid plate for dissipating heat is arranged on the peripheral side wall of the first wire holder, the heat dissipation grid plate extends along the circumferential direction of the first wire holder, and the heat dissipation grid plates are arranged at intervals along the axial direction of the first wire holder.
The invention discloses a flowmeter with a diversion protection frame body, which has the following advantages:
The detection head is protected by the protection frame body welded on the inner wall of the pipeline to be detected, and the impact of the metal floater on the detection head can be effectively reduced, so that the detection head is prevented from being damaged or broken due to the impact of the metal floater, the service life of the detection head is prolonged, and the effective continuous work of the detection head is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic diagram of a prior art flow meter;
FIG. 2 is a schematic diagram of an embodiment of the present invention;
FIG. 3 is a cross-sectional view in the direction AA of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 2 to 3, a flow meter with a flow guiding protection frame 5 according to an embodiment of the present invention includes a flange 1 for connecting a pipe 9 to be detected, a detection head 2 for detecting a medium flow rate, the flange 1 is fixedly connected to an outer side wall of the pipe 9 to be detected, the detection head 2 is fixedly connected to the flange 1, the detection head 2 extends toward an inner side of the pipe 9 to be detected, and the flow meter further includes a protection frame 5 for protecting the detection head 2, the protection frame 5 includes a first grid 51 for isolating a foreign object in a medium entering direction, a second grid 53 for isolating a foreign object in a medium exiting direction, a third grid 55 for isolating a foreign object at an end of the detection head 2, and a baffle 57 for reducing a turbulent flow in a medium flowing direction, a plurality of the first grids 51 are arranged in the medium entering direction, a first passage 52 for medium entering is formed between adjacent first grids 51, the plurality of second louvers 53 are arranged in the direction in which the medium leaves, a second passage 54 for the medium to leave is formed between the adjacent second louvers 53, the plurality of third louvers 55 are arranged at the end of the detection head 2, a third passage 56 for the medium to pass through is formed between the adjacent third louvers 55, the plurality of flow deflectors 57 are arranged on both sides of the detection head 2, and a fourth passage 58 for the medium to leave is formed between the adjacent flow deflectors 57.
In order to facilitate the introduction of the medium and avoid affecting the flow rate of the medium, the extension direction of the first louver 51 is parallel to the radial direction of the detection head 2, and the extension direction of the first channel 52 is parallel to the radial direction of the detection head 2.
In order to guide the medium to leave and avoid the medium from generating turbulent flow, the extension direction of the second grid plate is parallel to the radial direction of the detection head 2, the extension direction of the second grid plate is parallel to the extension direction of the first grid plate 51, the extension direction of the second grid plate is parallel to the radial direction of the detection head 2, and the extension direction of the second channel 54 is parallel to the extension direction of the second channel 54.
In order to guide the medium to pass through and avoid the medium from generating turbulent flow, the extending direction of the three grid plates is parallel to the radial direction of the detection head 2, the extending direction of the three grid plates is parallel to the extending direction of the first grid plate 51, the extending direction of the three grid plates is parallel to the radial direction of the detection head 2, and the extending direction of the third channel 56 is parallel to the extending direction of the second channel 54.
In order to facilitate the guiding of the medium away and to avoid turbulence of the medium, the extension direction of the deflector 57 and the extension direction of the first louver 51 have an angle therebetween, which is set at an acute angle, and the extension direction of the fourth channel 58 and the extension direction of the first channel 52 have an angle therebetween, which is set at an acute angle.
In order to facilitate wiring, the wire connecting structure further comprises a first wire holder 3, one end of the first wire holder 3 and the flange 1 can be fixedly connected in a welding mode, a first wiring end 31 for wiring is arranged on the peripheral side wall of the first wire holder 3, and the first wiring end 31 extends along the radial direction of the first wire holder 3.
In order to facilitate further wiring, the wire connector further comprises a second wire holder 4, one end of the second wire holder 4 and the other end of the first wire holder 3 can be fixedly connected through welding, a second wiring terminal 41 for wiring is arranged on the peripheral side wall of the second wire holder 4, and the second wiring terminal 41 extends along the radial direction of the second wire holder 4.
In order to facilitate heat dissipation, a heat dissipation grid plate 32 for dissipating heat is arranged on the peripheral side wall of the first wire holder 3, the heat dissipation grid plate 32 extends along the circumferential direction of the first wire holder 3, and the plurality of heat dissipation grid plates 32 are arranged at intervals along the axial direction of the first wire holder 3.
it is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a flowmeter with water conservancy diversion protection framework, is waiting to detect the flange of pipeline, the detection head that is used for detecting medium flow including being used for connecting, the flange is waiting to detect the lateral wall fixed connection of pipeline, detect the head with flange fixed connection, detect the head to wait to detect the inboard extension of pipeline, its characterized in that: the detection head also comprises a protection frame body used for protecting the detection head, the protection frame body comprises a first grid plate used for isolating foreign matters in the medium entering direction, a second grid plate used for isolating the foreign matters in the medium leaving direction, a third grid plate used for isolating the foreign matters at the end part of the detection head, and a guide plate used for reducing turbulent flow in the medium flowing direction, the first grid plates are arranged in the medium entering direction, a first passage for the entrance of the medium is formed between the adjacent first louvers, a plurality of the second louvers are provided in the direction in which the medium exits, and a second channel for the medium to leave is formed between the adjacent second grid plates, a plurality of third grid plates are arranged at the end part of the detection head, a third channel for the medium to pass through is formed between the adjacent third grid plates, a plurality of guide plates are arranged at two sides of the detection head, and a fourth channel for the medium to leave is formed between the adjacent guide plates.
2. The flowmeter with a flow directing shield as set forth in claim 1, wherein: the extending direction of the first grid plate is parallel to the radial direction of the detection head, and the extending direction of the first channel is parallel to the radial direction of the detection head.
3. The flowmeter with a flow directing shield as set forth in claim 2, wherein: the extending direction of the second grid plate is parallel to the radial direction of the detection head, the extending direction of the second grid plate is parallel to the extending direction of the first grid plate, the extending direction of the second grid plate is parallel to the radial direction of the detection head, and the extending direction of the second channel is parallel to the extending direction of the second channel.
4. The flowmeter with a flow directing shield as set forth in claim 2, wherein: the extension direction of the three grid plates is parallel to the radial direction of the detection head, the extension direction of the three grid plates is parallel to the extension direction of the first grid plate, the extension direction of the three grid plates is parallel to the radial direction of the detection head, and the extension direction of the third channel is parallel to the extension direction of the second channel.
5. The flowmeter with a flow directing shield as set forth in claim 2, wherein: an included angle is formed between the extending direction of the guide plate and the extending direction of the first grid plate, the included angle is set to be an acute angle, an included angle is formed between the extending direction of the fourth channel and the extending direction of the first channel, and the included angle is set to be an acute angle.
6. The flowmeter with a flow directing shield as set forth in claim 1, wherein: still include first wire holder, the one end of first wire holder with flange fixed connection the week lateral wall of first wire holder is equipped with the first wiring end that is used for the wiring, first wiring end is followed the radial extension of first wire holder.
7. The flow meter head with a flow directing protective frame of claim 6, wherein: still include the second wire holder, the one end of second wire holder with the other end fixed connection of first wire holder the week side wall of second wire holder is equipped with the second wiring end that is used for the wiring, the second wiring end is followed the radial extension of second wire holder.
8. The flowmeter having a flow directing shield as set forth in claim 6, wherein: the peripheral side wall of the first wire holder is provided with a heat dissipation grid plate for heat dissipation, the heat dissipation grid plate extends along the circumferential direction of the first wire holder, and the heat dissipation grid plates are arranged along the axial direction of the first wire holder at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910725450.XA CN110567545A (en) | 2019-08-07 | 2019-08-07 | Flowmeter with flow guide protection frame body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910725450.XA CN110567545A (en) | 2019-08-07 | 2019-08-07 | Flowmeter with flow guide protection frame body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110567545A true CN110567545A (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910725450.XA Pending CN110567545A (en) | 2019-08-07 | 2019-08-07 | Flowmeter with flow guide protection frame body |
Country Status (1)
| Country | Link |
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| CN (1) | CN110567545A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2036660U (en) * | 1988-07-30 | 1989-04-26 | 昆明钢铁厂 | Hot-wire type flowmeter |
| CN1272176A (en) * | 1998-06-19 | 2000-11-01 | 罗伯特·博施有限公司 | Device for measuring mass of flow medium |
| KR100924755B1 (en) * | 2009-01-29 | 2009-11-05 | 최범준 | Water-proof meter dongpa protection tub |
| CN201528161U (en) * | 2009-10-15 | 2010-07-14 | 浙江亿达生物科技有限公司 | Protecting cover and protecting cover of rectifier |
| US10036512B2 (en) * | 2014-12-12 | 2018-07-31 | Daniel Measurement And Control, Inc. | Multi-double block and bleed system for an orifice fitting |
| CN208043155U (en) * | 2018-02-05 | 2018-11-02 | 苏州化工仪表有限公司 | A kind of strong heat dissipation steam-flow meter |
| CN209069357U (en) * | 2018-10-19 | 2019-07-05 | 合肥科迈捷智能传感技术有限公司 | A kind of temperature and pressure type micro-flow meter |
-
2019
- 2019-08-07 CN CN201910725450.XA patent/CN110567545A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2036660U (en) * | 1988-07-30 | 1989-04-26 | 昆明钢铁厂 | Hot-wire type flowmeter |
| CN1272176A (en) * | 1998-06-19 | 2000-11-01 | 罗伯特·博施有限公司 | Device for measuring mass of flow medium |
| KR100924755B1 (en) * | 2009-01-29 | 2009-11-05 | 최범준 | Water-proof meter dongpa protection tub |
| CN201528161U (en) * | 2009-10-15 | 2010-07-14 | 浙江亿达生物科技有限公司 | Protecting cover and protecting cover of rectifier |
| US10036512B2 (en) * | 2014-12-12 | 2018-07-31 | Daniel Measurement And Control, Inc. | Multi-double block and bleed system for an orifice fitting |
| CN208043155U (en) * | 2018-02-05 | 2018-11-02 | 苏州化工仪表有限公司 | A kind of strong heat dissipation steam-flow meter |
| CN209069357U (en) * | 2018-10-19 | 2019-07-05 | 合肥科迈捷智能传感技术有限公司 | A kind of temperature and pressure type micro-flow meter |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20191213 |