CN202255493U - Electromagnetic flow sensor - Google Patents
Electromagnetic flow sensor Download PDFInfo
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- CN202255493U CN202255493U CN2011203745164U CN201120374516U CN202255493U CN 202255493 U CN202255493 U CN 202255493U CN 2011203745164 U CN2011203745164 U CN 2011203745164U CN 201120374516 U CN201120374516 U CN 201120374516U CN 202255493 U CN202255493 U CN 202255493U
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Abstract
The utility model discloses an electromagnetic flow sensor which comprises a sensor for induction of signals and a converter for converting the signals, wherein the sensor is electrically connected with the converter, the sensor comprises a guide pipe, a pole shoe, a coil, a magnetic yoke and an electrode, the pole shoe and the coil are sequentially detachably fixedly connected on the guide pipe, the pole shoe is sheathed outside the coil, and the electrode is connected on the guide pipe; and a sealing groove and a threaded pit part are arranged on the end surfaces at the two ends of the guide pipe, a seal ring is arranged in the sealing groove, a grounding ring is arranged on the outer side of the seal ring, and the grounding ring is fixedly connected with the guide pipe. According to the electromagnetic flow sensor provided by the utility model, the threaded pit part and the seal ring are arranged on the two end surfaces of the guide pipe, and a sensor body is mainly based on flange holding type connection, so that the seal ring and accessories are matched by assembly through screws, the different connection ways including clamping connection, flange connection, threaded connection, food clamp connection and the like can be realized, a grounding way is convenient, and the connection is flexible.
Description
Technical field
The utility model relates to a kind of electromagnetic flow-measurement instrument field, is specifically related to a kind of electromagnetic flow transducer.
Background technology
At present, known electromagnetic flowmeter, sensor adopts metal catheter+lining technology, and the ground connection flange adopts the external mode of screw.Sensor coupling part general form flange is held two kinds with adding, and can not exchange.The converter fit has integral type and split type two kinds, adopts different switching device housing, and function comprises that excitation signal produces, analog quantity output, pulse (frequency) output and communication output etc.When conducting liquid passed through, cutting magnetic line produced induced electromotive force, and converter amplifies this signal and also converts corresponding flow signal output or demonstration into.Existing electromagnetic flow transducer assembly structure is single, and earthing mode is inconvenient, and data acquisition is affected by environment bigger, the while complex structure, and processing technology is loaded down with trivial details, makes difficulty.
Therefore, a kind of earthing mode is convenient, connects flexibly, and is simple in structure, and the electromagnetic flow transducer of convenient, flexible image data is demanded urgently occurring.
The utility model content
For solving the problems of the technologies described above, the purpose of the utility model is to provide a kind of earthing mode convenient, connects flexibly, and is simple in structure, the electromagnetic flow transducer of convenient, flexible image data.
For achieving the above object; The technical scheme of the utility model is following: a kind of electromagnetic flow transducer, comprise the sensor that is used for induced signal and the converter of switching signal, and said sensor is electrically connected with said converter; Said sensor comprises conduit, pole shoe, coil, yoke and electrode; Said pole shoe and said coil detachably are fixedly connected on the said conduit successively, and said pole shoe is sheathed on outside the said coil, and said electrode is connected on the said conduit;
On the end face of said conduit two ends, offer seal groove and be provided with screw thread bank spare, be provided with O-ring seal in the said seal groove, in said O-ring seal arranged outside ground loop is arranged, said ground loop is fixedly connected with said conduit.
Preferably; Said converter comprises detection flow and signal processing unit, MCU processing unit, signal output and the communication unit of switching signal and the power supply unit that is electrically connected with above-mentioned each unit, and said MCU processing unit also is electrically connected with display unit and control module.
Preferably, said converter also comprises the wireless HART unit that is used for data are carried out wireless transmission, and said wireless HART unit is electrically connected with said MCU processing unit.
Preferably, said coil and said pole shoe all have two, are symmetrically fixed on through said set bolt on the surface level at said conduit middle part.
Preferably, said conduit also is provided with the electrode tip holder of fixing said electrode, and said electrode and said electrode tip holder are two, is symmetrically fixed on the vertical guide at said conduit middle part.
Preferably, the body that said conduit is formed in one is sheathed in the steel pipe.
Preferably, said steel pipe is outside equipped with the gauge outfit assembly.
Pass through technique scheme; The beneficial effect of the utility model technical scheme is: a kind of electromagnetic flow transducer, comprise the sensor that is used for induced signal and the converter of switching signal, and said sensor is electrically connected with said converter; Said sensor comprises conduit, pole shoe, coil, yoke and electrode; Said pole shoe and said coil detachably are fixedly connected on the said conduit successively, and said pole shoe is sheathed on outside the said coil, and said electrode is connected on the said conduit; On the end face of said conduit two ends, offer seal groove and be provided with screw thread bank spare, be provided with O-ring seal in the said seal groove, in said O-ring seal arranged outside ground loop is arranged, said ground loop is fixedly connected with said conduit; Adopt the electromagnetic flow transducer that the utility model provided; Through on two end faces of conduit, screw thread bank spare, O-ring seal being set; Because sensor body adds the type of holding with flange and is connected to the master, so through screw assembling fitted seal circle and accessory, can realize being clamped and connected, 4 kinds of different connected modes such as flange connects, be threaded, food clamp connection; Earthing mode is convenient, connects flexibly; Simultaneously, simple in structure, the convenient installation.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment technology; To do to introduce simply to the accompanying drawing of required use in the embodiment technical description below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of electromagnetic flow transducer embodiment of the utility model;
Fig. 2 is the exploded perspective view of a kind of electromagnetic flow transducer embodiment of the utility model;
Fig. 3 is the fundamental diagram of a kind of electromagnetic flow transducer embodiment of the utility model.
The represented corresponding component title of numeral among the figure:
1. gauge outfit assembly 2. conduits 3. pole shoes 4. coils 5. yokes 6. electrodes 7. screw thread bank spares 8. O-ring seals 9. ground loops 10. steel pipes 11. circuit boards.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of earthing mode convenient, connects flexibly, and is simple in structure, the electromagnetic flow transducer of convenient, flexible image data.
Embodiment,
Like Fig. 1, like Fig. 2 and as shown in Figure 3, a kind of electromagnetic flow transducer comprises the sensor that is used for induced signal and the converter of switching signal; Said sensor is electrically connected with said converter; Said sensor comprises conduit 2, pole shoe 3, coil 4, yoke 5, electrode 6 and set bolt, and said set bolt is connected in said pole shoe 3 on the said conduit 2, wherein with said coil 4 successively; Can also pole shoe 3 be connected with conduit 2 with coil 4 through anchor ear or buckle; Embodiment is determined on a case-by-case basis, and at this, the utility model is not done any qualification.
Said pole shoe 3 is sheathed on outside the said coil 4, and said electrode 6 is connected on the said conduit 2; In said yoke arranged outside circuit board 11 is arranged; On said conduit 2 two ends end faces, offer the seal groove (not shown) and be provided with screw thread bank spare 7; Be provided with O-ring seal 8 in the said seal groove; Said O-ring seal 8 is complementary with said seal groove; In said O-ring seal 8 arranged outside ground loop 9 is arranged, said ground loop 9 and said conduit 2 are connected through screw retention.
The body that said conduit 2 is formed in one is sheathed in the steel pipe 10, and said steel pipe 10 is outside equipped with gauge outfit assembly 1.
In the technique scheme, described conduit 2 adopts the Shooting Technique of imbedding ejaculation, has replaced traditional lining technology; Make the roughness of conduit 2 endoporus reach 1.6; Because conduit 2 uses injection molding process, make that sensor construction is simple, multiple functional, processing technology is simple, simultaneously under the prerequisite of guaranteed performance; Improved consistance, the reliability of part, also provided cost savings.
Through on two end faces of conduit 2, screw thread bank spare 7, O-ring seal 8 being set; Because sensor body adds the type of holding with flange and is connected to the master; So through screw assembling fitted seal circle 8 and accessory; Can realize being clamped and connected, 4 kinds of different connected modes such as flange connects, be threaded, food clamp connection, earthing mode is convenient, connects flexibly.
Said coil 4 all has two with said pole shoe 3; Be symmetrically fixed on through said set bolt on the surface level at said conduit 2 middle parts; Said conduit 2 also is provided with the electrode tip holder of fixing said electrode 6; Said electrode 6 is two with said electrode tip holder, is symmetrically fixed on the vertical guide at said conduit 2 middle parts.
Said converter comprises detection flow and signal processing unit, MCU processing unit, signal output and the communication unit of switching signal and the power supply unit that is electrically connected with above-mentioned each unit, and said MCU processing unit also is electrically connected with display unit and control module; Said converter also comprises the wireless HART unit that is used for data are carried out wireless transmission, and said wireless HART unit is electrically connected with said MCU processing unit.
The described power supply unit input of the utility model 24VDC produces three road insulating power supplies through DCtoDC chip LM317K and transformation chip and supplies power to system; Signal processing unit produces magnetic field by field circuit, and sensor detects flow signal under the effect in magnetic field, and converts flow signal into electric signal, and small signal amplification circuit amplifies detected signal Processing, gives MCU processing unit through the A/D sampling then; Because MCU adopts the C8051F124 chip; It has functions such as 128K Flash, 8K RAM control excitation, signals collecting, signal output, man-machine interaction, communication, so send display unit, signal output unit and communication unit respectively to after the data processing of MCU processing unit with the A/D sampling; Direct output analog quantity 4 ~ 20mA band HART after the data that signal output and communication unit are handled MCU realizes wireless transmission through com port and wireless HART module, exports through I/O switching value control circuit realization switching value; Display unit shows output state through LCDs, and is provided with through the pad pasting button, realizes man-machine interaction.Simultaneously; Because the wireless HART module adopts the industrial wireless communication based on WirelessHART; It is a kind of network communication protocol of special wireless mesh topological structure for the process automation Application Design; This network uses the radio IEEE802.15.4 standard of compatibility operation on 2.4GHz industry, science and medicine (ISM) frequency range, and radio adopts DSSS (DSSS), communication security and channel hopping, time division multiple access (TDMA) (TDMA) reliably synchronously, equipment room prolongs (latency-controlled communications) technology of communicating by letter of controlling on the network.Simultaneously, native system adopts the good networking characteristic of CC2530, realizes the multistage communication of cascade network.In addition, also can select for use the GPRS communication module to realize the communication of Internet telnet upper computer software, the running status of realize flexibly, multimode being monitored electromagnetic flowmeter.
Employing can be carried out remote wireless meter recording based on the industrial wireless communication of WirelessHART, makes customer access equipment convenient, and work efficiency improves.
Pass through technique scheme; The beneficial effect of the utility model technical scheme is: a kind of electromagnetic flow transducer; Comprise the sensor that is used for induced signal and the converter of switching signal; Said sensor is electrically connected in said converter, and said sensor comprises conduit 2, pole shoe 3, coil 4, yoke 5 and electrode 6; Said pole shoe 3 detachably is fixedly connected on the said conduit 2 with said coil 4 successively, and said pole shoe 3 is sheathed on outside the said coil 4, and said electrode 6 is connected on the said conduit 2; On said conduit 2 two ends end faces, offer seal groove and be provided with screw thread bank spare 7, be provided with O-ring seal 8 in the said seal groove, in said O-ring seal 8 arranged outside ground loop 9 is arranged, said ground loop 9 is fixedly connected with said conduit 2; Adopt the electromagnetic flow transducer that the utility model provided; Through on two end faces of conduit 2, screw thread bank spare 7, O-ring seal 8 being set; Because sensor body adds the type of holding with flange and is connected to the master, so through screw assembling fitted seal circle and accessory, can realize being clamped and connected, 4 kinds of different connected modes such as flange connects, be threaded, food clamp connection; Earthing mode is convenient, connects flexibly; Simultaneously, simple in structure, the convenient installation, handsome in appearance.
In addition,, make described electromagnetic flow transducer possess wireless communication function,, improved work efficiency for the client provides the function of carrying out radio meter register through the wireless HART unit is set.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (7)
1. electromagnetic flow transducer; It is characterized in that comprise the sensor that is used for induced signal and the converter of switching signal, said sensor is electrically connected with said converter; Said sensor comprises conduit, pole shoe, coil, yoke and electrode; Said pole shoe and said coil detachably are fixedly connected on the said conduit successively, and said pole shoe is sheathed on outside the said coil, and said electrode is connected on the said conduit;
On the end face of said conduit two ends, offer seal groove and be provided with screw thread bank spare, be provided with O-ring seal in the said seal groove, in said O-ring seal arranged outside ground loop is arranged, said ground loop is fixedly connected with said conduit.
2. electromagnetic flow transducer according to claim 1; It is characterized in that; Said converter comprises detection flow and signal processing unit, MCU processing unit, signal output and the communication unit of switching signal and the power supply unit that is electrically connected with above-mentioned each unit, and said MCU processing unit also is electrically connected with display unit and control module.
3. electromagnetic flow transducer according to claim 2 is characterized in that, said converter also comprises the wireless HART unit that is used for data are carried out wireless transmission, and said wireless HART unit is electrically connected with said MCU processing unit.
4. electromagnetic flow transducer according to claim 3 is characterized in that, said coil and said pole shoe all have two, is symmetrically fixed on through said set bolt on the surface level at said conduit middle part.
5. electromagnetic flow transducer according to claim 4 is characterized in that, said conduit also is provided with the electrode tip holder of fixing said electrode, and said electrode and said electrode tip holder are two, is symmetrically fixed on the vertical guide at said conduit middle part.
6. according to each described electromagnetic flow transducer of claim 1-5, it is characterized in that the body that said conduit is formed in one is sheathed in the steel pipe.
7. electromagnetic flow transducer according to claim 6 is characterized in that said steel pipe is outside equipped with the gauge outfit assembly.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203745164U CN202255493U (en) | 2011-09-29 | 2011-09-29 | Electromagnetic flow sensor |
| DE212012000013U DE212012000013U1 (en) | 2011-09-29 | 2012-08-08 | Electromagnetic flowmeter |
| PCT/CN2012/079800 WO2013044690A1 (en) | 2011-09-29 | 2012-08-08 | Electromagnetic flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203745164U CN202255493U (en) | 2011-09-29 | 2011-09-29 | Electromagnetic flow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202255493U true CN202255493U (en) | 2012-05-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203745164U Expired - Fee Related CN202255493U (en) | 2011-09-29 | 2011-09-29 | Electromagnetic flow sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN202255493U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013044690A1 (en) * | 2011-09-29 | 2013-04-04 | 伊玛精密电子（苏州）有限公司 | Electromagnetic flow sensor |
| CN103575341A (en) * | 2012-07-25 | 2014-02-12 | 伊玛精密电子（苏州）有限公司 | Intelligent electromagnetic flow sensor |
| CN105678995A (en) * | 2016-03-09 | 2016-06-15 | 山东大学 | Grouting flow monitoring system based on WSN, grouting system and work method |
| CN109863371A (en) * | 2017-04-28 | 2019-06-07 | 爱知时计电机株式会社 | Electromagnetic flowmeter |
| WO2020107323A1 (en) * | 2018-11-29 | 2020-06-04 | 深圳市大疆创新科技有限公司 | Electromagnetic flowmeter and plant protection unmanned aerial vehicle having electromagnetic flowmeter |
| WO2020107334A1 (en) * | 2018-11-29 | 2020-06-04 | 深圳市大疆创新科技有限公司 | Electromagnetic flow meter and plant protection unmanned aerial vehicle comprising same |
| CN116734934A (en) * | 2023-08-11 | 2023-09-12 | 德阳市新泰自动化仪表有限公司 | Compact electromagnetic flowmeter, installation method and flow measuring method |
-
2011
- 2011-09-29 CN CN2011203745164U patent/CN202255493U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013044690A1 (en) * | 2011-09-29 | 2013-04-04 | 伊玛精密电子（苏州）有限公司 | Electromagnetic flow sensor |
| CN103575341A (en) * | 2012-07-25 | 2014-02-12 | 伊玛精密电子（苏州）有限公司 | Intelligent electromagnetic flow sensor |
| CN105678995A (en) * | 2016-03-09 | 2016-06-15 | 山东大学 | Grouting flow monitoring system based on WSN, grouting system and work method |
| CN109863371A (en) * | 2017-04-28 | 2019-06-07 | 爱知时计电机株式会社 | Electromagnetic flowmeter |
| CN109863371B (en) * | 2017-04-28 | 2021-03-05 | 爱知时计电机株式会社 | Electromagnetic flowmeter |
| WO2020107323A1 (en) * | 2018-11-29 | 2020-06-04 | 深圳市大疆创新科技有限公司 | Electromagnetic flowmeter and plant protection unmanned aerial vehicle having electromagnetic flowmeter |
| WO2020107334A1 (en) * | 2018-11-29 | 2020-06-04 | 深圳市大疆创新科技有限公司 | Electromagnetic flow meter and plant protection unmanned aerial vehicle comprising same |
| CN111279159A (en) * | 2018-11-29 | 2020-06-12 | 深圳市大疆创新科技有限公司 | Electromagnetic flow meter and plant protection unmanned aerial vehicle who has this electromagnetic flow meter |
| CN111344538A (en) * | 2018-11-29 | 2020-06-26 | 深圳市大疆创新科技有限公司 | Electromagnetic flow meter and plant protection unmanned aerial vehicle who has this electromagnetic flow meter |
| CN116734934A (en) * | 2023-08-11 | 2023-09-12 | 德阳市新泰自动化仪表有限公司 | Compact electromagnetic flowmeter, installation method and flow measuring method |
| CN116734934B (en) * | 2023-08-11 | 2023-11-14 | 德阳市新泰自动化仪表有限公司 | Compact electromagnetic flowmeter, installation method and flow measuring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20150929 |
|
| EXPY | Termination of patent right or utility model |