CN206556705U - A kind of low power consumption electromagnetic flowmeter - Google Patents
A kind of low power consumption electromagnetic flowmeter Download PDFInfo
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- CN206556705U CN206556705U CN201720198016.7U CN201720198016U CN206556705U CN 206556705 U CN206556705 U CN 206556705U CN 201720198016 U CN201720198016 U CN 201720198016U CN 206556705 U CN206556705 U CN 206556705U
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- housing
- fixedly connected
- electromagnetic flowmeter
- power consumption
- tube
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Abstract
The utility model discloses a kind of low power consumption electromagnetic flowmeter, including housing, the inwall of the housing is fixedly connected with the first cut-off waveguide, the housing is internally provided with measurement pipe, the both sides of the measurement pipe are communicated with connecting tube, the one end of the connecting tube away from measurement pipe is through to the outside of housing, and the junction of the connecting tube and housing is fixedly connected with electromagnetic sealing pad, and the surface of measurement pipe is arranged with shielded-plate tube.The utility model is by setting the first cut-off waveguide, electromagnetic sealing pad, shielded-plate tube, insulation net, silicon steel sheet, reflecting plate, the second cut-off waveguide, rubber blanket, bakelite bolt and bakelite nut, solve existing electromagnetic flowmeter power consumption very big, when the flow of detection is very low, easily it is extracted into the problem of external magnetic field is disturbed, the low power consumption electromagnetic flowmeter, possesses the advantage every magnetic, avoid being disturbed by external magnetic, the precision of electromagnetic flowmeter is improved, the use of user is facilitated.
Description
Technical field
The utility model is related to electromagnetic flowmeter technical field, specially a kind of low power consumption electromagnetic flowmeter.
Background technology
Electromagnetic flowmeter is the new type of flowmeter developed rapidly with the development of electronic technology.Electromagnetic current
Gauge is to apply electromagnetic induction principle, and the electromotive force inducted during according to conductor fluid by externally-applied magnetic field measures conductor fluid stream
A kind of instrument of amount.
Electromagnetic flowmeter is conventional flow instrumentation, and the flow for being widely used in various conductive fluid mediums is surveyed
Amount, but existing electromagnetic flowmeter power consumption is very big, when the flow of detection is very low, is easily disturbed by external magnetic, shadow
Ring the precision of electromagnetic flowmeter, it has not been convenient to the use of user.
Utility model content
The purpose of this utility model is to provide a kind of low power consumption electromagnetic flowmeter possess the advantage every magnetic, solves existing
Some electromagnetic flowmeter power consumptions are very big, when the flow of detection is very low, are easily extracted into the problem of external magnetic field is disturbed.
To achieve the above object, the utility model provides following technical scheme：A kind of low power consumption electromagnetic flowmeter, including shell
Body, the inwall of the housing is fixedly connected with the first cut-off waveguide, and the housing is internally provided with measurement pipe, the measurement
The both sides of pipe are communicated with connecting tube, and the one end of the connecting tube away from measurement pipe is through to the outside of housing, the connecting tube
Electromagnetic sealing pad is fixedly connected with the junction of housing, the surface of the measurement pipe is arranged with shielded-plate tube, the shielded-plate tube
Inside be fixedly connected between insulation net, the insulation net and insulate between net and shielded-plate tube and be provided with silicon steel sheet, it is described
It has been fixedly connected with the top and bottom of shielded-plate tube at the axis at the top of reflecting plate, the measurement pipe and has been communicated with transfer tube, it is described
The top that housing is through at the top of transfer tube is fixedly connected with electromagnetic flowmeter body, and the transfer tube is located at case top
Surface is arranged with the second cut-off waveguide, and the bottom of the second cut-off waveguide both sides has been fixedly connected with rubber blanket, described
Bakelite bolt, institute are provided with the top of rubber blanket.
It is preferred that, the one end of the connecting tube away from measurement pipe is communicated with the inside of flange, the flange and is provided with connection
Bolt.
It is preferred that, the quantity of the connecting bolt is two, and two connecting bolts are centrosymmetric on connecting tube and set
Put, the connecting bolt is through to the outside of flange close to one end of flange.
It is preferred that, the inwall of the electromagnetic sealing pad is fixedly connected with connecting tube, the appearance of the electromagnetic sealing pad
Face is fixedly connected with housing and the first cut-off waveguide.
It is preferred that, the reflecting plate is shaped as arc-shaped, and two reflecting plates are centrosymmetric setting on measurement pipe.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, the utility model by set the first cut-off waveguide, electromagnetic sealing pad, shielded-plate tube, insulate net, silicon steel sheet,
Reflecting plate, the second cut-off waveguide, rubber blanket, bakelite bolt and bakelite nut, solve existing electromagnetic flowmeter power consumption very
Greatly, when the flow of detection is very low, the problem of external magnetic field is disturbed easily is extracted into, the low power consumption electromagnetic flowmeter possesses every magnetic
Advantage, it is to avoid disturbed by external magnetic, improve the precision of electromagnetic flowmeter, facilitate the use of user.
2nd, the utility model facilitates the pipeline of connecting tube and peripheral hardware to be attached by the cooperation of flange and connecting bolt,
The use of user is facilitated, connection connecting tube and housing and shielded-plate tube are played a part of in the setting padded by electromagnetic sealing.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the structural representation of the utility model shielded-plate tube.
In figure：It is 1 housing, 2 first cut-off waveguides, 3 measurement pipes, 4 connecting tubes, 5 electromagnetic sealings pad, 6 shielded-plate tubes, 7 exhausted
Hoddy, 8 silicon steel sheets, 9 reflecting plates, 10 transfer tubes, 11 electromagnetic flowmeter bodies, 12 second cut-off waveguides, 13 rubber blankets, 14 electricity
Blunt bolt, 15 bakelite nuts, 16 flanges, 17 connecting bolts.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-2, a kind of low power consumption electromagnetic flowmeter, including housing 1 are referred to, the inwall of housing 1 is fixedly connected with first
Cut-off waveguide 2, according to waveguide theory, there is a cut-off frequency, i.e. cut-off waveguide in waveguide, when signal frequency is higher than cut-off
Waveguide is conducting during frequency, and electromagnetic wave is cut off or decays and can not transmit, this frequency characteristic phase with high-pass filter
Seemingly, it can be designed that the cut-off waveguide relative to a certain frequency using this principle so that the frequency of interference signal falls in ripple
In the cut-off region led, such interference signal cannot pass through waveguide, and in other words, waveguide serves the effect of electromagnetic shielding, shell
Body 1 is internally provided with measurement pipe 3, and the both sides of measurement pipe 3 are communicated with connecting tube 4, the one end of connecting tube 4 away from measurement pipe 3
The outside of housing 1 is through to, the one end of connecting tube 4 away from measurement pipe 3 is communicated with flange 16, and the inner side of flange 16 is provided with connection
Bolt 17, the quantity of connecting bolt 17 is two, and two connecting bolts 17 are centrosymmetric settings on connecting tube 4, connect
Bolt 17 is through to the outside of flange 16 close to one end of flange 16, by the cooperation of flange 16 and connecting bolt 17, conveniently connects
Adapter 4 and the pipeline of peripheral hardware are attached, and facilitate the use of user, and connecting tube 4 and the junction of housing 1 are fixedly connected with
Electromagnetic sealing pad 5, the inwall of electromagnetic sealing pad 5 is fixedly connected with connecting tube 4, the outer surface of electromagnetic sealing pad 5 and shell
Body 1 is fixedly connected with the first cut-off waveguide 2, by electromagnetic sealing pad 5 setting, play connection connecting tube 4 and housing 1 with
The effect of shielded-plate tube 6, it is to avoid junction of the external electromagnetic by connecting tube 4 and housing 1 and shielded-plate tube 6 enters the inside of housing 1,
The surface of measurement pipe 3 is arranged with shielded-plate tube 6, and the inside of shielded-plate tube 6 is fixedly connected between insulation net 7, insulation net 7 and insulation net
Silicon steel sheet 8 is provided between 7 and shielded-plate tube 6, it is a kind of carbon containing extremely low silicon-iron soft magnetic alloy to silicon steel sheet 8, it is general siliceous
Measure as five to four 0. percent points five, the resistivity and maximum permeability of iron can be improved by adding silicon, when reduction coercivity and magnetic
Effect, in order to reduce eddy-current loss, is built up with silicon steel sheet 8 insulated from each other, makes to flow in the loop of thin-and-long yearningly, by less
Section, is limited, the top and bottom of shielded-plate tube 6 have been fixedly connected with reflecting plate 9, reflecting plate 9 with the electricity increased on eddy current path
It is shaped as arc-shaped, and two reflecting plates 9 are centrosymmetric setting on measurement pipe 3, are communicated with the axis at the top of measurement pipe 3
Transfer tube 10, the top that the top of transfer tube 10 is through to housing 1 is fixedly connected with electromagnetic flowmeter body 11, transfer tube 10
The second cut-off waveguide 12 is arranged with the surface at the top of housing 1, the bottom of the both sides of the second cut-off waveguide 12 is fixedly connected with
Have a rubber blanket 13, the top of rubber blanket 13 is provided with bakelite bolt 14, the bottom of bakelite bolt 14 be through to the inside of housing 1 with
Bakelite nut 15 is threadedly coupled.
In use, measurement pipe 3 is detected to flow medium, shielded-plate tube 6, insulation net 7, silicon steel sheet 8 and reflecting plate 9 are avoided
Measurement electromagnetism outflow in measurement pipe 3, the first cut-off waveguide 2 and the second cut-off waveguide 12 avoid extraneous electromagnetism from transmission
Pipe 10 and housing 1 enter the inside of housing 1, and bakelite bolt 14, bakelite nut 15 and electromagnetic sealing pad 5 avoid the electromagnetism in the external world
Enter the inside of housing 1 from the junction of part,
In summary：The low power consumption electromagnetic flowmeter, by setting the first cut-off waveguide 2, electromagnetic sealing pad 5, screen
Cover pipe 6, insulation net 7, silicon steel sheet 8, reflecting plate 9, the second cut-off waveguide 12, rubber blanket 13, bakelite bolt 14 and bakelite nut
15, it is very big to solve existing electromagnetic flowmeter power consumption, when the flow of detection is very low, is easily extracted into asking for external magnetic field interference
Topic.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of low power consumption electromagnetic flowmeter, including housing（1）, it is characterised in that：The housing（1）Inwall be fixedly connected with
First cut-off waveguide（2）, the housing（1）Be internally provided with measurement pipe（3）, the measurement pipe（3）Both sides connect
There is connecting tube（4）, the connecting tube（4）Away from measurement pipe（3）One end be through to housing（1）Outside, the connecting tube（4）
With housing（1）Junction be fixedly connected with electromagnetic sealing pad（5）, the measurement pipe（3）Surface be arranged with shielded-plate tube
（6）, the shielded-plate tube（6）Inside be fixedly connected with insulation net（7）, the insulation net（7）Between and insulation net（7）With shielding
Pipe（6）Between be provided with silicon steel sheet（8）, the shielded-plate tube（6）Top and bottom be fixedly connected with reflecting plate（9）, institute
State measurement pipe（3）Transfer tube is communicated with the axis at top（10）, the transfer tube（10）Top be through to housing（1）Top
Portion and electromagnetic flowmeter body（11）It is fixedly connected, the transfer tube（10）Positioned at housing（1）The surface at top is arranged with second
Cut-off waveguide（12）, second cut-off waveguide（12）The bottom of both sides has been fixedly connected with rubber blanket（13）, the rubber
Rubber cushion（13）Top be provided with bakelite bolt（14）, the bakelite bolt（14）Bottom be through to housing（1）Inside with
Bakelite nut（15）Threaded connection.
2. a kind of low power consumption electromagnetic flowmeter according to claim 1, it is characterised in that：The connecting tube（4）Away from survey
Buret（3）One end be communicated with flange（16）, the flange（16）Inner side be provided with connecting bolt（17）.
3. a kind of low power consumption electromagnetic flowmeter according to claim 1 or 2, it is characterised in that：The connecting bolt（17）
Quantity be two, and two connecting bolts（17）On connecting tube（4）Be centrosymmetric setting, the connecting bolt（17）Lean on
Nearly flange（16）One end be through to flange（16）Outside.
4. a kind of low power consumption electromagnetic flowmeter according to claim 1, it is characterised in that：The electromagnetic sealing pad（5）
Inwall and connecting tube（4）It is fixedly connected, the electromagnetic sealing pad（5）Outer surface and housing（1）With the first cut-off waveguide
Pipe（2）It is fixedly connected.
5. a kind of low power consumption electromagnetic flowmeter according to claim 1, it is characterised in that：The reflecting plate（9）Shape
For arc-shaped, and two reflecting plates（9）On measurement pipe（3）Be centrosymmetric setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720198016.7U CN206556705U (en) | 2017-03-02 | 2017-03-02 | A kind of low power consumption electromagnetic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720198016.7U CN206556705U (en) | 2017-03-02 | 2017-03-02 | A kind of low power consumption electromagnetic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206556705U true CN206556705U (en) | 2017-10-13 |
Family
ID=60361076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720198016.7U Active CN206556705U (en) | 2017-03-02 | 2017-03-02 | A kind of low power consumption electromagnetic flowmeter |
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| Country | Link |
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| CN (1) | CN206556705U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432674A (en) * | 2020-10-14 | 2021-03-02 | 中国航空工业集团公司北京长城航空测控技术研究所 | Anti-electromagnetic interference sensor and anti-electromagnetic interference turbine flowmeter |
| CN113332528A (en) * | 2021-04-16 | 2021-09-03 | 浙江纺织服装职业技术学院 | Detection control device for circulation state of infusion tube |
-
2017
- 2017-03-02 CN CN201720198016.7U patent/CN206556705U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432674A (en) * | 2020-10-14 | 2021-03-02 | 中国航空工业集团公司北京长城航空测控技术研究所 | Anti-electromagnetic interference sensor and anti-electromagnetic interference turbine flowmeter |
| CN113332528A (en) * | 2021-04-16 | 2021-09-03 | 浙江纺织服装职业技术学院 | Detection control device for circulation state of infusion tube |
| CN113332528B (en) * | 2021-04-16 | 2023-03-03 | 浙江纺织服装职业技术学院 | Detection control device for circulation state of infusion tube |
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