CN204831410U - Self -heating electromagnetic flow transducer - Google Patents
Self -heating electromagnetic flow transducer Download PDFInfo
- Publication number
- CN204831410U CN204831410U CN201520359331.4U CN201520359331U CN204831410U CN 204831410 U CN204831410 U CN 204831410U CN 201520359331 U CN201520359331 U CN 201520359331U CN 204831410 U CN204831410 U CN 204831410U
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- CN
- China
- Prior art keywords
- electromagnetic flow
- sensor
- heating
- sensor housing
- flow sensor
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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
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model discloses a self -heating electromagnetic flow transducer, including coil, electrode, sensor housing, setting at the first terminal box in the casing outside, parcel at the outside insulating layer of sensor housing, the inside hypomere of sensor housing set up the baffle, the baffle encloses into the space with sensor housing and forms oil tank, the whole conduction oil that is full of inside the sensor housing, self -heating electromagnetic flow transducer still include the heating pipe, the heating pipe base that sets up through the oil tank outside of heating pipe one end insert the oil tank inside, the heating pipe other end inserts the second terminal box. The utility model discloses a conduction oil has heat energy and stably, installs the shielding interlayer additional between oil tank and sensor as companion's thermal medium, avoids heating system to disturb measurement system.
Description
Technical field
The utility model relates to a kind of flow sensor, is specifically related to a kind of from heating electromagnetic flow sensor.
Background technology
Along with electromagnetic flow transducer technology maturation, particularly its excellent corrosion resistant performance, more and more wider in industrial circle application, greatly improve flow measuring and controlling level.But along with the reduction of temperature, there is media cures situation in some special medias of petrochemical industry, this solidfied material is bonded on electromagnetic flow transducer electrode, has a strong impact on electromagnetic flow transducer and normally work.Due to the inner labyrinth of electromagnetic flow transducer, causing cannot to electromagnetic flow transducer place electrode companion heat, and make ordinary electromagnetic flow sensor electrode fouling, measuring accuracy sharply declines, and seriously causes electromagnetic flow transducer not use.
In order to ensure that these special medias are normally measured, flow sensor part companion heat problem must be solved.The program can effectively solve the problem, and system is reasonable, and stability in use is high, has splendid usability.
Utility model content
The utility model, for above-mentioned the deficiencies in the prior art, proposes a kind of from heating electromagnetic flow sensor, and the utility model can accompany a hot difficult problem by solving electromagnetic flow transducer from heat form.
The utility model is achieved by the following technical solution: a kind of from heating electromagnetic flow sensor, comprise coil, electrode, sensor housing, be arranged on the first terminal box of hull outside, be wrapped in the thermofin of sensor shell external body, the inner hypomere of described sensor housing arranges dividing plate, dividing plate and sensor housing surround space and form fuel tank, the inner whole falling heat-transfer oil of sensor housing; Described also comprises heating tube from heating electromagnetic flow sensor, and fuel tank internal is inserted by the heating tube base of fuel tank arranged outside in described heating tube one end, and the heating tube other end accesses the second terminal box.
Further, described sensor housing inside top is provided with temperature control element, and described temperature control element and sensor housing connecting portion are provided with mount pad, and the output signal of temperature control element is accessed in the first terminal box by mount pad, the 3rd terminal box successively.
Further, uniform pore openings on described dividing plate, this hole is used for conduction oil and exchanges up and down.
Further, described dividing plate is stainless steel.
Further, described temperature control element is PT100 thermal resistance temperature sensor.
Further, described thermofin is aluminium carbonate fiber heat preservation material.
Further, described aluminium carbonate fiber heat preservation material thickness is 20 or 25 millimeters.
The utility model compared to existing technology, has following beneficial effect:
1. the utility model solves electromagnetic flow transducer and accompanies a hot difficult problem, solves electromagnetic flow transducer and uses limitation.
2. the utility model electromagnetic flow transducer portion integral is installed, and structure is simply exquisite, ensures companion's thermal effect, easy to use again, and result of use is obvious, stable.
3. the utility model adopts conduction oil as companion's thermal medium, has heat energy and stablizes, install shielding interlayer additional, avoid heating system interferometry system between fuel tank and sensor.
4. the utility model outside adopts heat-insulation layer heat insulation, greatly reduces thermal energy radiation, and reduce energy loss, adopt auto temperature controlled system, the efficiency of heating surface is very high, capacity usage ratio is high simultaneously.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Wherein: 1-first terminal box, 2-second terminal box, 3-the 3rd terminal box, 4-sensor housing, 5-thermofin, 6-dividing plate, 7-heating tube, 8-heating tube base, 9-temperature control element, 10-coil, 11-electrode.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in the figure.A kind of from heating electromagnetic flow sensor, comprise coil 10, electrode 11, sensor housing 4, be arranged on the first terminal box 1 of hull outside, be wrapped in the thermofin 5 of sensor shell external body, the described inner hypomere of sensor housing 4 arranges dividing plate 6, dividing plate 6 and sensor housing 4 surround space and form fuel tank, the inner whole falling heat-transfer oil of sensor housing 4; Described also comprises heating tube 7 from heating electromagnetic flow sensor, and fuel tank internal is inserted by the heating tube base 8 of fuel tank arranged outside in described heating tube 7 one end, and heating tube 7 other end accesses the second terminal box 2.
Further, described sensor housing inside top is provided with temperature control element 9, described temperature control element 9 is provided with mount pad with sensor housing 4 connecting portion, and the output signal of temperature control element 9 is accessed in the first terminal box 1 by mount pad, the 3rd terminal box 3 successively.
Further, uniform pore openings on described dividing plate 6, this hole is used for conduction oil and exchanges up and down.
Further, described dividing plate 6 is stainless steel.The ELECTROMAGNETIC RADIATION SIGNATURE that heating tube 7 produces can be isolated.
Further, described temperature control element 9 is PT100 thermal resistance temperature sensor.For monitoring conduction oil temperature, ensure the efficiency of heating surface, to avoid overheated simultaneously.
Further, described thermofin 5 is aluminium carbonate fiber heat preservation material.
Further, described aluminium carbonate fiber heat preservation material thickness is 20 or 25 millimeters.
From heating electromagnetic flow sensor at system energization time, electromagnetic flow transducer coil 10 is energized, and generates an electromagnetic field, when medium is through magnetic field, cutting magnetic field produce electromotive force, electrode 11 measures electromotive force size, converts flow signal to by converter; Heating tube 7 is energized simultaneously, and heating tube 7 generates heat, and conduction oil is because of variable density, and produce internal heat circulation, conduction oil temperature measured by PT100 temperature element, and when arriving setting value, converter system cuts off heating tube 7 power supply, makes conduction oil temperature keep certain limit; Aluminium carbonate fiber thermal insulation cotton reduces inside and exchanges with external heat, keeps internal temperature to stablize, reduces energy loss.
Claims (8)
1. one kind from heating electromagnetic flow sensor, comprise coil, electrode, sensor housing, be arranged on the first terminal box of hull outside, be wrapped in the thermofin of sensor shell external body, the inner hypomere of described sensor housing arranges dividing plate, dividing plate and sensor housing surround space and form fuel tank, the inner whole falling heat-transfer oil of sensor housing, it is characterized in that: also comprise heating tube from heating electromagnetic flow sensor, fuel tank internal is inserted by the heating tube base of fuel tank arranged outside in described heating tube one end, and the heating tube other end accesses the second terminal box.
2. according to claim 1 from heating electromagnetic flow sensor, it is characterized in that: described sensor housing inside top is provided with temperature control element, described temperature control element and sensor housing connecting portion are provided with mount pad, and the output signal of temperature control element is accessed in the first terminal box by mount pad, the 3rd terminal box successively.
3. according to claim 2 from heating electromagnetic flow sensor, it is characterized in that: the first described terminal box is arranged on wire base, and described wire base is welded on sensor housing.
4. according to claim 1 from heating electromagnetic flow sensor, it is characterized in that: uniform pore openings on described dividing plate, this hole is used for conduction oil and exchanges up and down.
5. according to claim 3 from heating electromagnetic flow sensor, it is characterized in that: described dividing plate is stainless steel.
6. according to claim 2 from heating electromagnetic flow sensor, it is characterized in that: described temperature control element is PT100 thermal resistance temperature sensor.
7. according to claim 1 from heating electromagnetic flow sensor, it is characterized in that: described thermofin is aluminium carbonate fiber heat preservation material.
8. according to claim 7 from heating electromagnetic flow sensor, it is characterized in that: described aluminium carbonate fiber heat preservation material thickness is 20 or 25 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520359331.4U CN204831410U (en) | 2015-05-29 | 2015-05-29 | Self -heating electromagnetic flow transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520359331.4U CN204831410U (en) | 2015-05-29 | 2015-05-29 | Self -heating electromagnetic flow transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204831410U true CN204831410U (en) | 2015-12-02 |
Family
ID=54689002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520359331.4U Expired - Fee Related CN204831410U (en) | 2015-05-29 | 2015-05-29 | Self -heating electromagnetic flow transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204831410U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209340A (en) * | 2018-10-11 | 2019-01-15 | 江苏华尔威科技集团有限公司 | A kind of low temperature resistant high-precision crude oil single well metering system |
| CN112729451A (en) * | 2020-12-22 | 2021-04-30 | 金迈思液压设备（天津）有限公司 | Screw type flowmeter mounting structure with protective action |
-
2015
- 2015-05-29 CN CN201520359331.4U patent/CN204831410U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209340A (en) * | 2018-10-11 | 2019-01-15 | 江苏华尔威科技集团有限公司 | A kind of low temperature resistant high-precision crude oil single well metering system |
| CN112729451A (en) * | 2020-12-22 | 2021-04-30 | 金迈思液压设备（天津）有限公司 | Screw type flowmeter mounting structure with protective action |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20170529 |