CN213657960U - High-frequency optical fiber flowmeter - Google Patents
High-frequency optical fiber flowmeter Download PDFInfo
- Publication number
- CN213657960U CN213657960U CN202022683779.5U CN202022683779U CN213657960U CN 213657960 U CN213657960 U CN 213657960U CN 202022683779 U CN202022683779 U CN 202022683779U CN 213657960 U CN213657960 U CN 213657960U
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- high frequency
- frequency circuit
- gear
- shaft
- cover
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 12
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 13
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a high frequency optic fibre flow meter is connected with the count display, including high frequency optic fibre, high frequency circuit cover, high frequency circuit board, the table body and electromagnetic induction device, high frequency optic fibre is installed in high frequency circuit cover top, and high frequency circuit board is installed in high frequency circuit cover, and high frequency circuit cover is installed in table body top, high frequency circuit cover and table body coupling, high frequency circuit board and table body coupling, and electromagnetic induction device installs in the table body. The high-frequency optical fiber flowmeter manufactured by the technical scheme has the advantages that the electromagnet on the existing gear is arranged in the central opening of the shaft and directly corresponds to the circuit board, so that the generated magnetic force signal can not be interrupted, and the flowmeter can work at high frequency.
Description
Technical Field
The utility model relates to a flow meter technical field, in particular to high frequency optic fibre flow meter.
Background
When fluid passes through the rotating gear in the middle of the flowmeter, the gear is pushed to rotate, the electromagnet on the gear is intersected with the circuit inductor in the counting display to generate magnetic induction, and the counting display starts to count. The electromagnet of the existing flowmeter is welded on the gear, and because of the appearance problem of the gear, the electromagnet can not be fully paved in a ring shape, and when the electromagnet is intersected with an inductor, wave breaking can occur.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a high frequency optic fibre flow meter installs the electro-magnet on the current gear in the axle center mouth, directly corresponds with the circuit board, and the magnetic force signal that produces just so can not be interrupted, but flow meter just high frequency work.
The utility model provides a high frequency optic fibre flow meter is connected with the count display, including high frequency optic fibre, high frequency circuit cover, high frequency circuit board, the table body and electromagnetic induction device, high frequency optic fibre is installed in high frequency circuit cover top, high frequency circuit board is installed in high frequency circuit cover, high frequency circuit cover is installed in table body top, high frequency circuit cover and table body coupling, high frequency circuit board and table body coupling, electromagnetic induction device installs in the table body.
In the above scheme, the watch body includes an upper cover and a housing, the upper cover is connected with the housing, and the electromagnetic induction device is installed between the upper cover and the housing.
In the above scheme, the upper cover and the shell are fixedly connected through the screw rod.
In the above scheme, the electromagnetic induction device comprises a gear, an electromagnet, a positioning pin and a shaft, the gear is fixed in the shell through the shaft, the shaft is hollow and is provided with a central hole, the electromagnet is installed in the central hole in the shaft, and the positioning pin is positioned and connected with the upper cover and the shell.
In the above scheme, the gear includes a first gear and a second gear, and the first gear is connected with the second gear; the shaft comprises a first shaft and a second shaft, the first gear is installed on the first shaft, the second gear is installed on the second shaft, the positioning pin comprises a first positioning pin and a second positioning pin, and the first positioning pin and the second positioning pin are installed between the upper cover and the shell and are connected with the upper cover and the shell.
The utility model has the advantages and the beneficial effects that: the utility model provides a high frequency optic fibre flow meter installs the electro-magnet on the gear now in the centre bore of axle, directly corresponds with the high frequency circuit board, and the magnetic signal that produces just so can not be interrupted, and the flow meter just can last work under the high frequency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is an exploded view of the present invention.
In the figure: 1. high-frequency optical fiber 2, high-frequency circuit cover 3, high-frequency circuit board 4, and upper cover
5. First gear 6, second gear 7, electromagnet 8 and screw rod
9. A first positioning pin 10, a second positioning pin 11, a first shaft 12, a second shaft
13. Shell body
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, the utility model relates to a high frequency optical fiber flowmeter, with count the display connection, include:
the high-frequency optical fiber 1 is arranged above the high-frequency circuit cover 2 and is used for transmitting signals to the counting display at high frequency;
the high-frequency circuit cover 2 is arranged above the watch body, is connected with the watch body and is used for protecting the high-frequency circuit board 3 from being damaged by external substances;
the high-frequency circuit board 3 is arranged in the high-frequency circuit cover 2, is connected with the watch body and corresponds to the electromagnet 7 in the shaft center hole, and the induction signal of the electromagnet 7 is uninterrupted;
the watch body comprises an upper cover 4 and a shell 13, the upper cover 4 is connected with the shell 13, and the electromagnetic induction device is arranged between the upper cover 4 and the shell 13;
the electromagnetic induction device is arranged in the watch body and comprises a gear, an electromagnet 7, a positioning pin and a shaft, the gear is fixed in the shell 13 through the shaft and used for rotating when fluid flows, the shaft is hollow and provided with a central hole, the electromagnet is arranged in the central hole in the shaft and used for generating electromagnetic induction, and the positioning pin is used for positioning and connecting the upper cover 4 and the shell 13.
Specifically, the upper cover 4 and the housing 13 are fixedly connected by the screw 8.
The gears comprise a first gear 5 and a second gear 6, and the first gear 5 is connected with the second gear 6; the axle includes first axle 11 and second axle 12, and first gear 5 installs on first axle 11, and second gear 6 installs on second axle 12, and the locating pin includes first locating pin 9 and second locating pin 10, and first locating pin 9 and second locating pin 10 all install between upper cover 4 and casing 13 to connect fixed upper cover 4 and casing 13.
The working principle of the technical scheme is as follows:
when fluid passes through the inside of the shell 13, the gear is pushed to drive the shaft to rotate together, the electromagnet 7 in the central hole of the shaft and the corresponding high-frequency circuit board 3 generate an uninterrupted magnetic signal, the high-frequency optical fiber 1 captures the signal and transmits the signal to the counting display, and the display records the value according to a set value.
The utility model has the advantages and beneficial effect:
the improved high-frequency optical fiber flowmeter can freely switch high frequency and low frequency according to the use requirement under the condition of uninterrupted signal transmission, and has wider application range.
The utility model has the advantages and the beneficial effects that: the utility model provides a high frequency optic fibre flow meter installs the electro-magnet on the gear now in the centre bore of axle, directly corresponds with the high frequency circuit board, and the magnetic signal that produces just so can not be interrupted, and the flow meter just can last work under the high frequency.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A high-frequency optical fiber flowmeter is connected with a counting display and is characterized by comprising a high-frequency optical fiber, a high-frequency circuit cover, a high-frequency circuit board, a meter body and an electromagnetic induction device, wherein the high-frequency optical fiber is arranged above the high-frequency circuit cover, the high-frequency circuit board is arranged in the high-frequency circuit cover, the high-frequency circuit cover is arranged above the meter body, the high-frequency circuit cover is connected with the meter body, the high-frequency circuit board is connected with the meter body, and the electromagnetic induction device is arranged in the meter body.
2. A high frequency fiber optic flow meter according to claim 1, wherein said meter body includes a top cover and a case, said top cover being connected to said case, said electromagnetic induction means being mounted between said top cover and said case.
3. The high frequency fiber optic flow meter of claim 2, wherein said cover is secured to said housing by a threaded connection.
4. The high frequency optical fiber flowmeter of claim 2, wherein the electromagnetic induction device comprises a gear, an electromagnet, a positioning pin and a shaft, the gear is fixed in the housing by the shaft, the shaft is hollow and has a central hole, the electromagnet is installed in the central hole in the shaft, and the positioning pin is positioned to connect the upper cover and the housing.
5. The high frequency fiber optic flow meter of claim 4, wherein said gears comprise a first gear and a second gear, said first gear being connected to said second gear; the shaft comprises a first shaft and a second shaft, the first gear is installed on the first shaft, the second gear is installed on the second shaft, the positioning pin comprises a first positioning pin and a second positioning pin, and the first positioning pin and the second positioning pin are installed between the upper cover and the shell and are connected with the upper cover and the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022683779.5U CN213657960U (en) | 2020-11-18 | 2020-11-18 | High-frequency optical fiber flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022683779.5U CN213657960U (en) | 2020-11-18 | 2020-11-18 | High-frequency optical fiber flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213657960U true CN213657960U (en) | 2021-07-09 |
Family
ID=76684786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022683779.5U Active CN213657960U (en) | 2020-11-18 | 2020-11-18 | High-frequency optical fiber flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213657960U (en) |
-
2020
- 2020-11-18 CN CN202022683779.5U patent/CN213657960U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |