CN210141912U - Self-cleaning type thermal mass flow meter - Google Patents

Self-cleaning type thermal mass flow meter Download PDF

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Publication number
CN210141912U
CN210141912U CN201921057892.3U CN201921057892U CN210141912U CN 210141912 U CN210141912 U CN 210141912U CN 201921057892 U CN201921057892 U CN 201921057892U CN 210141912 U CN210141912 U CN 210141912U
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CN
China
Prior art keywords
flowmeter main
self
flow meter
flowmeter
mass flow
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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
Application number
CN201921057892.3U
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Chinese (zh)
Inventor
王春华
孟祥阳
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DALIAN PULINSI ELECTRONICS Co Ltd
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DALIAN PULINSI ELECTRONICS Co Ltd
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Priority to CN201921057892.3U priority Critical patent/CN210141912U/en
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Publication of CN210141912U publication Critical patent/CN210141912U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a self-cleaning thermal mass flowmeter, which comprises a flowmeter main body, wherein one end of the flowmeter main body is fixed with a water inlet pipe, one end of the water inlet pipe is connected with a Venturi tube, one end of the Venturi tube is provided with a flat notch, the other end of the flowmeter main body is fixed with a water outlet pipe, a base is arranged in the middle of the top end of the flowmeter main body, a gauge outfit electrically connected with the flowmeter main body is arranged at the top of the base, and the bottom end of the gauge outfit is fixed with the flowmeter main body through a connecting rod, the phenomena of back blockage and scaling caused by standing still can be avoided, and the energy-saving and environment-friendly effects are achieved.

Description

Self-cleaning type thermal mass flow meter
Technical Field
The utility model relates to a flowmeter, in particular to automatically cleaning formula hot type mass flow meter belongs to flow measurement appearance equipment technical field.
Background
The thermal mass flowmeter is a flow meter which measures the mass flow of a fluid by using the change of a temperature field generated when the fluid flows through a pipeline heated by an external heat source, or measures the mass flow of the fluid by using the relation between the energy required by the temperature of the fluid rising to a certain value and the mass of the fluid when the fluid is heated, and is widely applied to severe environments such as high temperature, dust, negative pressure or corrosivity.
The existing thermal mass flow meter is often blocked, scaled and corroded, so that the flow meter is inaccurate in measurement, the service life is shortened, frequent cleaning and replacement are needed, and the working cost and the labor intensity of workers are greatly increased. We have therefore developed this and proposed a self-cleaning thermal mass flow meter.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a self-cleaning formula hot type mass flow meter to the jam often appears in the traditional flowmeter who provides in solving above-mentioned background art, the situation of scale deposit and corruption leads to the flowmeter to measure inaccurate, the problem that life shortens.
In order to achieve the above object, the utility model provides a following technical scheme: a self-cleaning thermal mass flowmeter comprises a flowmeter main body, a water inlet pipe is fixed at one end of the flowmeter main body, one end of the water inlet pipe is connected with a Venturi tube, one end of the Venturi tube is provided with a flat notch, a water outlet pipe is fixed at the other end of the flowmeter main body, a base is arranged in the middle of the top end of the flowmeter main body, the top of the base is provided with a meter head electrically connected with the flowmeter main body, the bottom end of the meter head is fixed with the flowmeter main body through a connecting rod, the top of the inner side of the flowmeter main body is provided with a mounting groove, a bearing is embedded in the middle of the mounting groove, the bottom end of the bearing is rotatably connected with a rotating rod, one side of the rotating rod is provided with a rectangular clamping groove, rectangular draw-in groove one end fixedly connected with erodees the piece with what flat notch corresponds, erode a bottom end fixedly connected with sensor installation probe, be provided with clean chamber between inlet tube and the outlet pipe.
As an optimal technical scheme of the utility model, the display screen is installed to gauge outfit one side, the laminating has the tempering protecting film outside the display screen.
As an optimized technical scheme of the utility model, outlet pipe one end fixedly connected with and the butt joint pipe head that flat notch corresponds.
As an optimized technical scheme of the utility model, the joint of bearing and the connecting port department of mounting groove has waterproof sealing circle.
As an optimized technical scheme of the utility model, the length sum of the vertical direction of washing piece and sensor installation probe is less than the length of flat notch.
As an optimal technical scheme of the utility model, venturi and butt joint union coupling respectively with inlet tube and outlet pipe interference fit.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a automatically cleaning formula hot type mass flow meter has and can not appear blockking up, and the situation of scale deposit and corruption ensures that the flowmeter measures accurate advantage, and in concrete use, compares with traditional hot type mass flow meter, the utility model discloses an inlet tube and outlet pipe insert the flowmeter main part to wait to detect in the pipeline, and the fluid obtains short-term acceleration after advancing venturi to high-speed impact scouring block, wash away and drive rotary rod anticlockwise rotation after the piece receives the impact force, make the arbitrary angle of sensor installation probe can both be washed by the fluid, can not cause the back to block up because of standing still, the phenomenon of scale deposit, and is energy-concerving and environment-protective, excellent in use effect.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the cleaning chamber of the present invention;
in the figure: 1. a gauge head; 2. a display screen; 3. a water inlet pipe; 4. rotating the rod; 5. mounting a probe on the sensor; 6. a connecting rod; 7. a flow meter body; 8. a base; 9. a water outlet pipe; 10. mounting grooves; 11. a bearing; 12. a venturi tube; 13. a flat notch; 14. punching a brush block; 15. a rectangular clamping groove; 16. cleaning the cavity; 17. a butt joint head; 18. waterproof sealing ring.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the utility model provides a self-cleaning thermal mass flowmeter, which comprises a flowmeter main body 7, wherein one end of the flowmeter main body 7 is fixed with a water inlet pipe 3, one end of the water inlet pipe 3 is connected with a venturi pipe 12, one end of the venturi pipe 12 is provided with a flat notch 13, the other end of the flowmeter main body 7 is fixed with a water outlet pipe 9, a base 8 is arranged in the middle of the top end of the flowmeter main body 7, a meter head 1 electrically connected with the flowmeter main body 7 is arranged at the top of the base 8, the bottom end of the meter head 1 is fixed with the flowmeter main body 7 through a connecting rod 6, a mounting groove 10 is arranged at the top of the inner side of the flowmeter main body 7, a bearing 11 is embedded in the middle of the mounting groove 10, the bottom end of the bearing 11 is rotatably connected with a rotary rod 4, a rectangular clamping, the bottom end of the flushing block 14 is fixedly connected with a sensor installation probe 5, and a cleaning cavity 16 is arranged between the water inlet pipe 3 and the water outlet pipe 9.
Preferably, display screen 2 is installed to 1 one side of gauge outfit, the laminating has the tempering protective film in the 2 outsides of display screen, makes things convenient for numerical value to show and avoids 2 scraping damages of display screen.
Preferably, one end of the water outlet pipe 9 is fixedly connected with a butt joint pipe joint 17 corresponding to the flat notch 13, so that fluid is prevented from directly scouring the inner wall of the flowmeter main body 7, and can be directly drained to the water outlet pipe 9 for discharge.
Preferably, the joint of the bearing 11 and the mounting groove 10 is provided with a waterproof sealing ring 18 to prevent leakage.
Preferably, the sum of the lengths of the flushing block 14 and the sensor installation probe 5 in the vertical direction is smaller than the length of the flat notch 13, so that fluid impacts the flushing block 14 after acceleration, the rotating rod 4 rotates, and the outside of the sensor installation probe 5 can be flushed in an all-around and dead-angle-free mode.
Preferably, the venturi tube 12 and the butt joint pipe joint 17 are in interference fit with the water inlet pipe 3 and the water outlet pipe 9 respectively, and are installed and fastened, so that the fluid is accelerated for a short time, and the fluid impacts the flushing block 14 to drive the rotating rod 4 to rotate.
When specifically using, the utility model relates to a self-cleaning formula hot type mass flowmeter, it blocks up to have can not appear, scale deposit and the situation of corruption, ensure that the flowmeter measures accurate advantage, insert flowmeter main part 7 through inlet tube 3 and outlet pipe 9 and wait to detect in the pipeline, the fluid obtains the short-term acceleration after advancing venturi 12, thereby high-speed impact scouring block 14, scour away and drive rotary rod 4 anticlockwise rotation after 14 receives the impact force, make the arbitrary angle of the sensor installation probe 5 of scouring block 14 bottom can both be washed by the fluid, can not cause the back to block up because the motionless that stews, the phenomenon of scale deposit, and do not need independent configuration power washing unit, energy saving and environmental protection, excellent in use effect, the extension of very big degree flowmeter main part 7, be worth carrying out extensive popularization.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a self-cleaning formula hot type mass flowmeter, includes flowmeter main part (7), its characterized in that, flowmeter main part (7) one end is fixed with inlet tube (3), inlet tube (3) one end is connected with venturi (12), flat notch (13) have been seted up to venturi (12) one end, the flowmeter main part (7) other end is fixed with outlet pipe (9), be provided with base (8) in the middle of flowmeter main part (7) top, gauge outfit (1) with flowmeter main part (7) electric connection is installed at base (8) top, gauge outfit (1) bottom is fixed with flowmeter main part (7) through connecting rod (6), mounting groove (10) have been seted up at flowmeter main part (7) inboard top, bearing (11) have been inlayed in the middle of mounting groove (10), bearing (11) bottom is rotated and is connected with rotary rod (4), rotary rod (4) one side is opened and is equipped with rectangle draw-in groove (15), washing block (14) that rectangle draw-in groove (15) one end fixedly connected with corresponds with flat notch (13), washing block (14) bottom fixedly connected with sensor installation probe (5), be provided with between inlet tube (3) and outlet pipe (9) clean chamber (16).
2. A self-cleaning thermal mass flow meter according to claim 1, characterized in that: display screen (2) are installed to gauge outfit (1) one side, the laminating has the tempering protective film in display screen (2) outside.
3. A self-cleaning thermal mass flow meter according to claim 1, characterized in that: one end of the water outlet pipe (9) is fixedly connected with a butt joint pipe head (17) corresponding to the flat notch (13).
4. A self-cleaning thermal mass flow meter according to claim 1, characterized in that: and a waterproof sealing ring (18) is clamped at the connecting port of the bearing (11) and the mounting groove (10).
5. A self-cleaning thermal mass flow meter according to claim 1, characterized in that: the sum of the lengths of the flushing block (14) and the sensor mounting probe (5) in the vertical direction is smaller than the length of the flat notch (13).
6. A self-cleaning thermal mass flow meter according to claim 1 or 3, characterized in that: the Venturi tube (12) and the butt joint pipe joint (17) are in interference fit with the water inlet pipe (3) and the water outlet pipe (9) respectively.
CN201921057892.3U 2019-07-09 2019-07-09 Self-cleaning type thermal mass flow meter Expired - Fee Related CN210141912U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921057892.3U CN210141912U (en) 2019-07-09 2019-07-09 Self-cleaning type thermal mass flow meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921057892.3U CN210141912U (en) 2019-07-09 2019-07-09 Self-cleaning type thermal mass flow meter

Publications (1)

Publication Number Publication Date
CN210141912U true CN210141912U (en) 2020-03-13

Family

ID=69736272

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921057892.3U Expired - Fee Related CN210141912U (en) 2019-07-09 2019-07-09 Self-cleaning type thermal mass flow meter

Country Status (1)

Country Link
CN (1) CN210141912U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111551682A (en) * 2020-05-21 2020-08-18 兰溪市艺飞土蜂养殖专业合作社 Self-cleaning detection probe of sewage quality detection device
CN115096394A (en) * 2022-08-22 2022-09-23 厚爱医疗仪器(江苏)有限公司 Flow testing device for fluid instrument during working

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111551682A (en) * 2020-05-21 2020-08-18 兰溪市艺飞土蜂养殖专业合作社 Self-cleaning detection probe of sewage quality detection device
CN115096394A (en) * 2022-08-22 2022-09-23 厚爱医疗仪器(江苏)有限公司 Flow testing device for fluid instrument during working
CN115096394B (en) * 2022-08-22 2022-11-29 厚爱医疗仪器(江苏)有限公司 Flow testing device for fluid instrument during working

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Granted publication date: 20200313