Online flow detection device

Abstract

The utility model relates to the technical field of flow detection, and particularly discloses an online flow detection device which comprises a fixed pipe, the left end of the fixed pipe is a water inlet end, the right end of the fixed pipe is a water outlet end, a flow meter is installed on the outer side wall of the fixed pipe, and a filtering mechanism located on the left side of the flow meter is arranged on the outer side wall of the fixed pipe. The filtering mechanism comprises a fixed cylinder with an open upper end, the fixed cylinder penetrates through the outer side wall of the fixed pipe, the two ends of the outer side wall communicate with the fixed pipe, a filter cylinder is arranged in the fixed cylinder, a fixed ring is fixedly mounted at the top of the filter cylinder, and a fixed rod is fixedly mounted in the fixed ring; the outer side wall of the fixing rod is rotationally connected with a connecting rod, the top of the connecting rod is fixedly provided with a sealing cover located at the top of the fixing cylinder, impurities in water flow passing through the flow meter are filtered, the impurities are prevented from being attached and blocking measuring parts in the flow meter, measurement accuracy is guaranteed, and the service life of the flow meter is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to flow detection technical field, specifically disclose an online flow detection device. BACKGROUND

[0002] In industrial production, city water supply, sewage treatment and many other fields, accurate monitoring water flow is very important. Water flow data is the key basis for system operation state evaluation, resource allocation and production process control, and its accuracy directly affects the efficient and stable operation of the whole system.

[0003] At present, various online flow detection devices widely used in the market play an important role in flow monitoring, but they generally face a serious problem: the water flowing through the flow meter often contains various impurities, such as silt, particulate suspended matter, algae and other debris. These impurities, after entering the flow meter with the water flow, are easily attached and accumulated on the surface of the measuring element of the flow meter, such as the impeller of the turbine flow meter and the electrode of the electromagnetic flow meter. On the one hand, it will increase the operating resistance of the measuring element, cause the impeller speed or electrode signal to deviate, and thus result in a large error in the flow measurement result; on the other hand, long-term accumulation of impurities may also cause wear and corrosion of the measuring element, shorten the service life of the flow meter, and frequent breakdown maintenance and equipment replacement not only consume a lot of manpower, material resources and time cost, but also seriously affect the continuity and stability of production.

[0004] Although some systems will set up a separate filtering device in front of the flow meter, these devices often have poor filtering effect, poor compatibility with flow detection devices, large size and installation inconvenience, and other problems, and cannot effectively meet the actual needs of ensuring the monitoring accuracy of the flow meter, so there is room for improvement. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of online flow detection device, and the impurities in the water flow passing through flow meter are filtered, to prevent impurities from adhering and blocking the measuring components inside flow meter, ensure measurement accuracy, and prolong its service life.

[0006] The utility model is realized as follows: a kind of online flow detection device, including fixed pipe, the left end of the fixed pipe is water inlet end, the right end of the fixed pipe is water outlet end, the outer lateral wall of the fixed pipe is installed with flow meter, the outer lateral wall of the fixed pipe is provided with the filter mechanism located in the left side of flow meter;

[0007] The filtering mechanism comprises a fixed cylinder with an open upper end, the fixed cylinder penetrates through the outer side wall of the fixed pipe and the two ends of the outer side wall are communicated with the fixed pipe respectively, the inside of the fixed cylinder is provided with a filter cartridge, a fixed ring is fixedly installed on the top of the filter cartridge, a fixed rod is fixedly installed in the inside of the fixed ring, a connecting rod is rotationally connected to the outer side wall of the fixed rod, and a sealing cover is fixedly installed on the top of the fixed cylinder.

[0008] Preferably, the outer side wall of the fixed ring is fixedly installed with a sealing ring, the fixed ring is arranged in an inclined manner, and the outer side wall of the fixed ring abuts against the inner side wall of the fixed cylinder.

[0009] Preferably, the inner side wall of the sealing cover and the upper end of the outer side wall of the fixed cylinder are provided with threads, the sealing cover and the top of the fixed cylinder are connected through threads, and a sealing gasket is installed on the top end face in the sealing cover.

[0010] Preferably, the outer side wall of the fixed pipe is installed with a pressure gauge on the left side of the fixed cylinder, the outer side wall of the pressure gauge is installed with a controller, and the top of the controller is fixedly installed with an alarm.

[0011] Preferably, the outer side wall of the fixed pipe is installed with an electric valve on the left side of the pressure gauge.

[0012] Preferably, the bottom of the fixed cylinder is communicated with a blowdown pipe with a blowdown valve.

[0013] Preferably, the left and right ends of the fixed pipe are fixedly installed with flanges.

[0014] The online flow detection device has the advantages that:

[0015] The filter cartridge can be installed by moving the filter cartridge into the inside of the fixed cylinder and screwing the sealing cover on the top of the fixed cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings used in the specific embodiments or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference signs. In the drawings, the elements or parts are not necessarily drawn according to the actual proportions.

[0017] Figure 1 It is a whole sectional view structure diagram of the online flow detection device of the present application.

[0018] Figure 2 It is a structure diagram of the filter cartridge of the present application.

[0019] Figure 3 It is a structure diagram of the sealing cover of the present application.

[0020] Figure 4 It is a bottom view structure diagram of the sealing cover of the present application.

[0021] In the drawings, 1, fixed pipe; 2, flowmeter; 3, fixed cylinder; 301, blowdown pipe; 4, filter cartridge; 401, fixed ring; 402, sealing ring; 403, fixed rod; 5, sealing cover; 501, connecting rod; 502, sealing gasket; 6, pressure gauge; 601, controller; 602, alarm; 7, electric valve. DETAILED DESCRIPTION

[0022] The present application will be further described below in conjunction with the drawings and specific embodiments, so as to help understand the content of the present application. The methods used in the present application are conventional methods unless otherwise specified; the raw materials and devices used are conventional commercially available products unless otherwise specified.

[0023] Please refer to Figures 1-4 An online flow detection device, comprising a fixed pipe 1, the left end of the fixed pipe 1 is a water inlet end, the right end of the fixed pipe 1 is a water outlet end, a flowmeter 2 is installed on the outer side wall of the fixed pipe 1, and a filtering mechanism is arranged on the outer side wall of the fixed pipe 1 and located on the left side of the flowmeter 2.

[0024] The filtering mechanism comprises a fixed cylinder 3 with an open top, the fixed cylinder 3 penetrates through the outer side wall of the fixed pipe 1 and the two ends of the outer side wall are respectively communicated with the fixed pipe 1, a filter cartridge 4 is arranged in the fixed cylinder 3, a fixed ring 401 is fixedly installed on the top of the filter cartridge 4, a fixed rod 403 is fixedly installed in the fixed ring 401, a connecting rod 501 is rotatably connected to the outer side wall of the fixed rod 403, and a sealing cover 5 is fixedly installed on the top of the fixed cylinder 3.

[0025] In the embodiment, the filter cartridge 4 is installed by moving the filter cartridge 4 to the inside of the fixed cylinder 3 and screwing the sealing cover 5 on the top of the fixed cylinder 3; when water flow of the external pipeline enters the fixed pipe 1 and flows through the filter cartridge 4, the filter cartridge 4 filters impurities in the water, filters out the impurities in the water, prevents the impurities from adhering to and blocking the measuring components in the inside of the flowmeter 2, ensures the measuring accuracy, avoids the wear and corrosion of the flowmeter 2 caused by the impurities, reduces the failure occurrence, prolongs the service life, and when the filtered water flow passes through the flowmeter 2, the flowmeter 2 realizes real-time online monitoring of the water flow passing through the fixed pipe 1.

[0026] When the filter cartridge 4 is cleaned, the sealing cover 5 is opened, the filter cartridge 4 is taken out, and the impurities in the filter cartridge 4 are cleaned.

[0027] As a technical optimization scheme of the utility model, the outer side wall of the fixed ring 401 is fixedly provided with a sealing ring 402, the fixed ring 401 is arranged in an inclined manner, and the outer side wall of the fixed ring 401 abuts against the inner side wall of the fixed cylinder 3.

[0028] In the embodiment, the sealing ring 402 is arranged to increase the sealing performance between the fixed ring 401 and the fixed cylinder 3, and the fixed ring 401 is arranged in an inclined manner, so that the water flow in the fixed pipe 1 can enter the inside of the filter cartridge 4 through the fixed ring 401.

[0029] As a technical optimization scheme of the utility model, the inner side wall of the sealing cover 5 and the upper end of the outer side wall of the fixed cylinder 3 are provided with threads, the sealing cover 5 and the top of the fixed cylinder 3 are connected through threads, and the top end face in the inside of the sealing cover 5 is provided with a sealing gasket 502.

[0030] In the embodiment, the top of the fixed cylinder 3 is closed by screwing the sealing cover 5 on the top of the fixed cylinder 3, and the sealing gasket 502 increases the sealing performance of the sealing cover 5.

[0031] As a technical optimization scheme of the utility model, the outer side wall of the fixed pipe 1 is provided with a pressure gauge 6 located on the left side of the fixed cylinder 3, the outer side wall of the pressure gauge 6 is provided with a controller 601, and the top of the controller 601 is fixedly provided with an alarm 602.

[0032] In the embodiment, the pressure of water in the fixed pipe 1 can be monitored by arranging the pressure gauge 6, the controller 601 and the alarm 602, when the water pressure in the fixed pipe 1 exceeds the set water pressure value, the controller 601 can control the alarm 602 to alarm, and the controller 601 is electrically connected with the alarm 602, the flowmeter 2 and the electric valve 7.

[0033] As a technical optimization scheme of the utility model, the outer side wall of the fixed pipe 1 is provided with an electric valve 7 located on the left side of the pressure gauge 6.

[0034] In the embodiment, the electric valve 7 is arranged, so that the fixed pipe 1 is conveniently controlled to be closed and opened.

[0035] As a technical optimization scheme of the utility model, the bottom of the fixed cylinder 3 is communicated with a blow-off pipe 301 with a blow-off valve.

[0036] In the embodiment, the blow-off valve is opened, so that the blow-off pipe 301 is conveniently used to blow off.

[0037] As a technical optimization scheme of the utility model, the fixed pipe 1 is fixedly installed with flanges at left and right ends.

[0038] In the embodiment, the flanges are used to conveniently connect the fixed pipe 1 with external pipelines.

[0039] The working principle and use process of the utility model are as follows: in use, the filter cylinder 4 is first installed in the inside of the fixed cylinder 3, the filter cylinder 4 is lifted by lifting the sealing cover 5, the connecting rod 501 and the fixed rod 403, then the filter cylinder 4 is moved to the inside of the fixed cylinder 3, at this time, the filter cylinder 4 drives the fixed ring 401 to move downwards closely to the inner wall of the fixed cylinder 3, the sealing cover 5 is screwed on the top of the fixed cylinder 3, the port of the fixed cylinder 3 is closed, and the filter cylinder 4 is also installed, then the device is connected with external water flow pipelines, then the electric valve 7 is opened, so that the water flow of the external pipeline can enter the fixed pipe 1, when the water flow passes through the filter cylinder 4, the filter cylinder 4 can filter the impurities in the water, so as to prevent the impurities from being deposited and accumulated to affect the precision of the flowmeter 2, then when the filtered water flow passes through the flowmeter 2, the flowmeter 2 is used to monitor the water flow rate of the fixed pipe 1 in real time.

[0040] When the filter cylinder 4 is blocked in the long-time filtering process, the water pressure in the fixed pipe 1 is too large to trigger the controller 601 to control the alarm 602 to alarm, so as to remind the staff to clean the filter cylinder 4, and the controller 601 can control the electric valve 7 to be closed, the staff opens the sealing cover 5, takes out the filter cylinder 4 and cleans the impurities in the filter cylinder 4, and opens the blow-off valve, so that the blow-off pipe 301 blows off the residual impurities.

[0041] In the description of the utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "middle" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, a specific orientation and operation, therefore, it cannot be understood as a limitation on the utility model.

[0042] The above is only a specific embodiment of the present application, and cannot limit the scope of the present application. The replacement of equivalent components or equivalent changes and modifications within the scope of the present application should still be within the scope of the present application.

Claims

1. An in-line flow detection device, characterized by: Including fixed pipe (1), the left end of fixed pipe (1) is water inlet end, the right end of fixed pipe (1) is water outlet end, the outer side wall of fixed pipe (1) is installed with flowmeter (2), the outer side wall of fixed pipe (1) is provided with filter mechanism located at the left side of flowmeter (2); The filter mechanism includes fixed cylinder (3) with open top, the fixed cylinder (3) penetrates the outer side wall of fixed pipe (1) and the two ends of outer side wall are communicated with fixed pipe (1) respectively, the inside of fixed cylinder (3) is provided with filter cartridge (4), the top of filter cartridge (4) is fixedly installed with fixed ring (401), the inside of fixed ring (401) is fixedly installed with fixed rod (403), the outer side wall of fixed rod (403) is rotatably connected with connecting rod (501), the top of connecting rod (501) is fixedly installed with sealing cover (5) located at the top of fixed cylinder (3).

2. An in-line flow detection device according to claim 1, characterised in that: The outer side wall of fixed ring (401) is fixedly installed with sealing ring (402), the fixed ring (401) is arranged obliquely, and the outer side wall of fixed ring (401) abuts against the inner side wall of fixed cylinder (3).

3. An in-line flow detection device according to claim 1, wherein: The inner side wall of sealing cover (5) and the upper end of outer side wall of fixed cylinder (3) are provided with threads, the top of sealing cover (5) and fixed cylinder (3) are connected by threads, and the top end face in sealing cover (5) is installed with sealing gasket (502).

4. The inline flow detection device of claim 1, wherein: The outer side wall of fixed pipe (1) is installed with pressure gauge (6) located at the left side of fixed cylinder (3), the outer side wall of pressure gauge (6) is installed with controller (601), and the top of controller (601) is fixedly installed with alarm (602).

5. The inline flow detection device of claim 1, wherein: The outer side wall of fixed pipe (1) is installed with electric valve (7) located at the left side of pressure gauge (6).

6. An in-line flow detection device according to claim 1, wherein: The bottom of fixed cylinder (3) is communicated with blow-off pipe (301) with blow-off valve.

7. The inline flow detection device of claim 1, wherein: The left and right ends of fixed pipe (1) are fixedly installed with flange plate.

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