CN207407939U - A kind of inserted electromagnet flow meter - Google Patents

Abstract

The utility model is related to a kind of inserted electromagnet flow meter, the electromagnetic flowmeter includes converter, screw, casing, mounting flange, conduit, standard component；The converter is arranged on the screw upper end, and converter is fixedly connected with the screw；The screw is inserted into the catheter interior through described sleeve pipe；Described sleeve pipe is arranged on the outside of the screw, and casing is fixedly connected with the conduit；The mounting flange is arranged on described sleeve pipe and conduit connection；The conduit is connected to described sleeve pipe lower end；The standard component is connected to the screw lower end, and standard component is located above the catheter interior center line, and standard component through, standard component both ends form round table-like port from outside to inside.The utility model combines assembling flowmeter standard component, improves the measurement accuracy of inserting-type flowmeter.

Description

A kind of inserted electromagnet flow meter

Technical field

The utility model is related to a kind of inserted electromagnet flow meters, belong to flowmeter technology field.

Background technology

Flow instrument is developed rapidly with the development of electronic technology, applies electromagnetic induction principle, according to Conductor fluid measures conductor fluid flow by the electromotive force inducted during externally-applied magnetic field.Electromagnetic flowmeter is by sensor and conversion Device two large divisions forms, and converter therein provides field power supply to sensor makes it generate magnetic field, and measured medium is cut because of flowing It cuts the magnetic line of force and generates induced potential, induced potential signal is fed back to converter, converted device enhanced processing by sensor electrode It is exported into standard signal, completes the measurement of flow.According to faraday electromagnetic induction, induced potential and magnetic field intensity, conductor Length and movement velocity are directly proportional, because when carrying out flow measurement to a fixed pipeline, " conductor length " can be considered one Fixed, only when one timing of magnetic field intensity, induced potential can be corresponded with velocity of medium.If magnetic field intensity changes, Even if under identical flow velocity, induced potential can also change.The sensor of existing inserted electromagnet flow meter, product exist When taking in-site installation, often there is deviation in calibration value when dispatching from the factory, and inserting-type flowmeter is generally needed when installing and using It is installed at the 1/8 of catheter diameter, for measurement error in 2-5%, error is larger.

Utility model content

The utility model is in view of the deficienciess of the prior art, provide a kind of inserted electromagnet flow meter, with reference to assembling stream Gauge standard component improves the measurement accuracy of inserting-type flowmeter.

The technical solution that the utility model solves above-mentioned technical problem is as follows：A kind of inserted electromagnet flow meter, the electricity Magnetic flowmeter is connected to measurement pipeline, and the electromagnetic flowmeter includes converter, screw, casing, mounting flange, conduit, standard Part；The converter is arranged on the screw upper end, and converter is fixedly connected with the screw；The screw passes through described sleeve pipe It is inserted into the catheter interior；Described sleeve pipe is arranged on the outside of the screw, and casing is fixedly connected with the conduit；The Method for Installation Orchid is arranged on described sleeve pipe and conduit connection；The conduit is connected to described sleeve pipe lower end；The standard component is connected to described Screw lower end, standard component are located above the catheter interior center line, standard component through, standard component both ends shape from outside to inside Into round table-like port.

A kind of inserted electromagnet flow meter as described above, is equipped with obturator between the screw and casing.Fill physical efficiency Sealing function is enough played, prevents the spilling of measurement fluid.

A kind of inserted electromagnet flow meter as described above, the standard component are equipped with electrode hole, and electrode hole is located at standard The middle part of part.Electrode hole is used to sensor and converter being attached.

A kind of inserted electromagnet flow meter as described above, the conduit are connected with ball valve with cannula connection.Ball valve is used In the closure for realizing conduit, facilitate converter maintenance and installation.

A kind of inserted electromagnet flow meter as described above, the internal diameter at the standard component both ends open is standard component center 2 times of port internal diameter.Internal diameter at standard component both ends open is designed as 2 times of standard component center port internal diameter, can be effective Measurement accuracy is improved, reduces measurement error.

A kind of inserted electromagnet flow meter as described above, the standard component use PC alloy plastics.Standard component uses PC Alloy plastic substitutes traditional non-magnetic stainless steel or duralumin, hard alumin ium alloy, high temperature resistant, labor and material saving to prolong the service life simultaneously.

The beneficial effects of the utility model are：Electromagnetic flowmeter be equipped with converter, screw, casing, mounting flange, conduit, Standard component；Converter is arranged on screw upper end, and converter is fixedly connected with screw；Screw is inserted into catheter interior through casing；Set Pipe is arranged on the outside of screw, and casing is fixedly connected with conduit；Mounting flange is arranged on casing and conduit connection；Conduit is connected to Its lower end；Standard component is connected to screw lower end, and standard component is located above catheter interior center line, standard component through, mark Quasi- part both ends form round table-like port from outside to inside.The utility model combines assembling flowmeter standard component, improves plug-in type stream The measurement accuracy of gauge, while standard component substitutes traditional non-magnetic stainless steel or duralumin, hard alumin ium alloy, resistance to height using PC alloy plastics Temperature, labor and material saving, service life are long.

Description of the drawings

Fig. 1 is inserted electromagnet flow meter structure diagram.

Specific embodiment

The principle and feature of the utility model are described below in conjunction with attached drawing, example is served only for explaining this practicality It is new, it is not intended to limit the scope of the utility model.

As shown in Figure 1, a kind of inserted electromagnet flow meter, the electromagnetic flowmeter is connected to measurement pipeline, the electromagnetism Flowmeter includes converter 1, screw 2, casing 3, mounting flange 4, conduit 5, standard component 6；The converter 1 is arranged on the silk 2 upper end of bar, converter 1 are fixedly connected with the screw 2；The screw 2 is inserted into through described sleeve pipe 3 inside the conduit 5；Institute It states casing 3 and is arranged on 2 outside of screw, casing 3 is fixedly connected with the conduit 5；The mounting flange 4 is arranged on the set Pipe 3 and 5 junction of conduit；The conduit 5 is connected to 3 lower end of described sleeve pipe；The standard component 6 is connected to 2 lower end of screw, Standard component 6 is located above the 5 inside center line of conduit, and 6 through of standard component, 6 both ends of standard component form circle from outside to inside Mesa-shaped port.

In one embodiment of inserted electromagnet flow meter, obturator is equipped between the screw 2 and casing 3.Obturator Sealing function can be played, prevents the spilling of measurement fluid.

In one embodiment of inserted electromagnet flow meter, the standard component 6 is equipped with electrode hole 7, and electrode hole 7 is located at mark The middle part of quasi- part 6.Electrode hole 7 is used to sensor and converter 1 being attached.

In one embodiment of inserted electromagnet flow meter, the conduit 5 is connected with ball valve 8 with 3 junction of casing.Ball valve 8 are used to implement the closure of conduit 5, facilitate 1 maintenance and installation of converter.

In one embodiment of inserted electromagnet flow meter, the internal diameter at 6 both ends open of standard component is in standard component 6 2 times of heart port internal diameter.Internal diameter at 6 both ends open of standard component is designed as 2 times of 6 center port internal diameter of standard component, Neng Gouyou The raising measurement accuracy of effect reduces measurement error.

In one embodiment of inserted electromagnet flow meter, the standard component 6 uses PC alloy plastics.Standard component 6 uses PC alloy plastics substitute traditional non-magnetic stainless steel or duralumin, hard alumin ium alloy, high temperature resistant, labor and material saving to prolong the service life simultaneously.

The utility model standard component 6 is connected to 2 lower end of screw, and standard component 6 is located above 5 inside center line of conduit, standard 6 through of part, 6 both ends of standard component form round table-like port from outside to inside, and the internal diameter at 6 both ends open of standard component is standard component 2 times of 6 center port internal diameters, while PC alloy plastics are used, the measurement accuracy of inserting-type flowmeter is improved, is substituted traditional Non-magnetic stainless steel or duralumin, hard alumin ium alloy, high temperature resistant, labor and material saving, service life are long.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality Within new spirit and principle, any modifications, equivalent replacements and improvements are made should be included in the guarantor of the utility model Within the scope of shield.

Claims (6)

1. a kind of inserted electromagnet flow meter, the electromagnetic flowmeter is connected to measurement pipeline, it is characterised in that：The electromagnetic current Gauge includes converter, screw, casing, mounting flange, conduit, standard component；The converter is arranged on the screw upper end, turns Parallel operation is fixedly connected with the screw；The screw is inserted into the catheter interior through described sleeve pipe；Described sleeve pipe is arranged on institute It states on the outside of screw, casing is fixedly connected with the conduit；The mounting flange is arranged on described sleeve pipe and conduit connection；It is described Conduit is connected to described sleeve pipe lower end；The standard component is connected to the screw lower end, and standard component is located in the catheter interior Above heart line, standard component through, standard component both ends form round table-like port from outside to inside.

2. a kind of inserted electromagnet flow meter according to claim 1, it is characterised in that：It is set between the screw and casing There is obturator.

3. a kind of inserted electromagnet flow meter according to claim 1, it is characterised in that：The standard component is equipped with electrode Hole, electrode hole are located at the middle part of standard component.

4. a kind of inserted electromagnet flow meter according to claim 1, it is characterised in that：The conduit and cannula connection It is connected with ball valve.

5. a kind of inserted electromagnet flow meter according to claim 1, it is characterised in that：At the standard component both ends open Internal diameter be 2 times of standard component center port internal diameter.

6. a kind of inserted electromagnet flow meter according to claim 1, it is characterised in that：The standard component uses PC alloys Plastics.