CN217032613U - Multifunctional plug-in electromagnetic flowmeter - Google Patents
Multifunctional plug-in electromagnetic flowmeter Download PDFInfo
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- CN217032613U CN217032613U CN202220013790.7U CN202220013790U CN217032613U CN 217032613 U CN217032613 U CN 217032613U CN 202220013790 U CN202220013790 U CN 202220013790U CN 217032613 U CN217032613 U CN 217032613U
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Abstract
The utility model discloses a multifunctional plug-in electromagnetic flowmeter, which comprises a plug-in rod, wherein the top of the plug-in rod is provided with a junction box, the middle of the plug-in rod is provided with a mounting flange, and the lower end of the plug-in rod is provided with a detection head; a flow sensor is arranged in the detection head, and a measuring electrode of the flow sensor is positioned at the lower part of the detection head; the method is characterized in that: the section of the insertion rod is streamline; the lower end of the insertion rod is provided with a plurality of channels, and each channel is internally provided with a sensor; the sensor is electrically connected with the junction box. The insertion rod is changed into a streamline shape so as to reduce the influence of the liquid flow state on the measurement accuracy; meanwhile, a pressure sensor and a temperature sensor are additionally arranged on the detection head, so that the function of the electromagnetic flowmeter is enriched.
Description
Technical Field
The utility model relates to the field of electromagnetic flowmeters, in particular to a multifunctional plug-in electromagnetic flowmeter.
Background
The plug-in electromagnetic flowmeter is widely applied to large and medium caliber liquid measurement due to low price and convenient installation, and particularly can be installed on site in a low-pressure working state.
The original structural limitation of the plug-in electromagnetic flowmeter always has the defects of unstable signals and relatively low accuracy.
In addition, with the increasing requirements of users on water resources and pipeline monitoring, the single flow measurement function of the plug-in flowmeter is not satisfied, and the pressure and temperature measurement is required to be increased at the same flow measurement point while the flow measurement stability and accuracy are improved.
In view of this, further improvements are needed in the existing plug-in electromagnetic flow meters.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a multifunctional plug-in electromagnetic flowmeter, which solves the defects of the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the multifunctional plug-in type electromagnetic flowmeter comprises a plug-in rod, wherein a junction box is arranged at the top of the plug-in rod, a mounting flange is arranged in the middle of the plug-in rod, and a detection head is arranged at the lower end of the plug-in rod; a flow sensor is arranged in the detection head, and a measuring electrode of the flow sensor is positioned at the lower part of the detection head; the method is characterized in that: the section of the insertion rod is streamline; the lower end of the insertion rod is provided with a plurality of channels, and each channel is internally provided with a sensor; the sensor is electrically connected with the junction box.
According to the further optimized technical scheme, the number of the channels is two: a first channel and a second channel; a pressure sensor is installed in the first channel, and a temperature sensor is installed in the second channel.
According to the further optimized technical scheme, the number of the channels is one: a first channel; a pressure sensor is arranged in the first channel; and a temperature sensor is arranged in the detection head.
According to the further optimized technical scheme, an excitation system is installed in the detection head; the excitation system comprises a base, and a shell is arranged on the base; the magnetic core component is arranged between the pressing sheet and the base.
According to the further optimized technical scheme, the magnetic core assembly comprises an iron core arranged between a pressing sheet and a base, and a coil is wound on the periphery of the iron core; two electrode leads connected with the coil are arranged between the iron core and the coil; the two electrode leads are respectively connected with two lugs; the base is provided with two electrodes which penetrate through the base and are connected with the junction box.
According to the further optimized technical scheme, a sealing gasket and a sealing ring are arranged between the base and the shell.
According to the further optimized technical scheme, a reinforcing shell is arranged between the insertion rod and the junction box.
Due to the adoption of the technology, compared with the prior art, the utility model has the beneficial effects that:
1. the insertion rod is changed into a streamline shape so as to reduce the influence of the liquid flow state on the measurement accuracy; meanwhile, a pressure sensor and a temperature sensor are additionally arranged on the detection head, so that the function of the electromagnetic flowmeter is enriched.
2. The excitation system of the utility model is improved, and the intensity of the uniform magnetic field is increased, so that the external interference is reduced, and the stability of flow measurement is improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a test head according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional structure diagram of an excitation system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples
As shown in fig. 1-3, the multifunctional plug-in electromagnetic flowmeter comprises a plug-in rod 4, a junction box 1 is arranged at the top of the plug-in rod 4, a mounting flange 3 is arranged at the middle part of the plug-in rod 4, a detection head is arranged at the lower end of the plug-in rod 4, a flow sensor is arranged in the detection head, and a measurement electrode of the flow sensor is positioned at the lower part of the detection head. The above structure is the prior art and is not described in detail.
The section of the insertion rod 4 is streamline, so that the section of the detection head is also streamline. The lower extreme of inserted bar 4 is provided with a plurality of passageways, all is provided with the sensor in each passageway. The sensor is electrically connected with the junction box.
There are two production methods for designing the channel in this case.
The first method is as follows: the number of the channels is two: a first channel 6 and a second channel 8. And a pressure sensor 5 is arranged in the first channel 6, and a temperature sensor 7 is arranged in the second channel 8.
The second method is as follows: the number of the channels is one: a first channel. A pressure sensor is arranged in the first channel; and a temperature sensor is arranged in the detection head.
An excitation system is installed in the detection head. The excitation system can also be arranged at other positions, and is designed according to the needs of customers. The excitation system comprises a base 13, and a shell 9 is mounted on the base 13. The shell 9 is internally provided with a pressing sheet, and a magnetic core assembly is arranged between the pressing sheet and the base. The magnetic core assembly comprises an iron core 12 installed between the pressing sheet and the base, and a coil 16 is wound on the periphery of the iron core 12. Two electrode leads 17 for connecting the coils are arranged between the iron core and the coils; the two electrode leads are respectively connected with two lugs. Two electrodes 15 are arranged on the base, and the two electrodes 15 penetrate through the base and are connected with the wiring box.
The electromagnetic flowmeter has a split design and an integrated design. The split design adopts the junction box 1, and the integrated design adopts the form that the sensor and the converter are combined together. The converter acts the same on the terminal block.
In order to ensure sealing, a sealing gasket 14 and a sealing ring are arranged between the base and the shell. A reinforcing shell 2 is arranged between the insertion rod and the junction box.
The insertion rod is changed into a streamline shape so as to reduce the influence of the liquid flow state on the measurement accuracy; meanwhile, a pressure sensor and a temperature sensor are additionally arranged on the detection head, so that the function of the electromagnetic flowmeter is enriched.
The excitation system of the utility model is improved, and the strength of the uniform magnetic field is increased, so that the external interference is reduced, and the stability of flow measurement is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The multifunctional plug-in electromagnetic flowmeter comprises a plug-in rod, wherein the top of the plug-in rod is provided with a junction box, the middle of the plug-in rod is provided with a mounting flange, and the lower end of the plug-in rod is provided with a detection head; a flow sensor is arranged in the detection head, and a measuring electrode of the flow sensor is positioned at the lower part of the detection head;
the method is characterized in that: the section of the insertion rod is streamline; the lower end of the insertion rod is provided with a plurality of channels, and each channel is internally provided with a sensor; the sensor is electrically connected with the junction box.
2. The multifunction plug-in electromagnetic flowmeter of claim 1, characterized in that: the number of channels is two: a first channel and a second channel; a pressure sensor is installed in the first channel, and a temperature sensor is installed in the second channel.
3. The multifunctional plug-in electromagnetic flowmeter of claim 1, characterized in that: the number of the channels is one: a first channel; a pressure sensor is arranged in the first channel; and a temperature sensor is arranged in the detection head.
4. The multifunctional plug-in electromagnetic flowmeter of claim 2 or 3, characterized in that: an excitation system is arranged in the detection head; the excitation system comprises a base, and a shell is arranged on the base; the magnetic core component is arranged between the pressing sheet and the base.
5. The multifunction plug-in electromagnetic flowmeter of claim 4, characterized in that: the magnetic core assembly comprises an iron core arranged between the pressing sheet and the base, and a coil is wound on the periphery of the iron core; two electrode leads connected with the coil are arranged between the iron core and the coil; the two electrode leads are respectively connected with two lugs; the base is provided with two electrodes which penetrate through the base and are connected with the junction box.
6. The multifunctional plug-in electromagnetic flowmeter of claim 5, characterized in that: and a sealing gasket and a sealing ring are arranged between the base and the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220013790.7U CN217032613U (en) | 2022-01-04 | 2022-01-04 | Multifunctional plug-in electromagnetic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220013790.7U CN217032613U (en) | 2022-01-04 | 2022-01-04 | Multifunctional plug-in electromagnetic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217032613U true CN217032613U (en) | 2022-07-22 |
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ID=82445850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220013790.7U Active CN217032613U (en) | 2022-01-04 | 2022-01-04 | Multifunctional plug-in electromagnetic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217032613U (en) |
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2022
- 2022-01-04 CN CN202220013790.7U patent/CN217032613U/en active Active
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