CN210893269U - Mining flame-proof and intrinsic safety type flowmeter - Google Patents
Mining flame-proof and intrinsic safety type flowmeter Download PDFInfo
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- CN210893269U CN210893269U CN201922312329.2U CN201922312329U CN210893269U CN 210893269 U CN210893269 U CN 210893269U CN 201922312329 U CN201922312329 U CN 201922312329U CN 210893269 U CN210893269 U CN 210893269U
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Abstract
The utility model relates to a mining flame proof and intrinsically safe type flowmeter. The to-be-solved technical problem of the utility model is to provide a simple structure, the mining flame proof's of explosion-proof isolation this ampere of type flowmeter. The utility model discloses a technical scheme including sensor device and converter, the converter includes converter casing and converter face lid, converter casing lower extreme is equipped with the cable port, the inside observation window subassembly that is equipped with of converter, the sensor with link together through communication cable between the converter, the cable port comprises rubber circle, ring washer and gland nut, sensor device includes terminal box casing, junction box lid, screw sub-assembly, circuit board, cable port, epoxy is filled in the terminal box casing. The utility model has the advantages that: the explosion-proof function can be applied to dangerous places such as industrial mines and the like; the measured data can be transmitted to the converter for people to observe; the shell protection level reaches IP 54.
Description
Technical Field
The utility model relates to a flowmeter equipment technical field especially relates to a mining flame proof and intrinsic safety type flowmeter.
Background
The intrinsic safety type flowmeter is an instrument which is used for measuring the flow of liquid in various circular tubes by using a Faraday electromagnetic induction principle; the instrument is not influenced by the density, viscosity, temperature and the like of liquid, is not influenced by the flow direction of the liquid, and can accurately measure the positive and negative directions. The existing intrinsic safety type flowmeter has single function, cannot play a role in explosion-proof protection in severe environments such as ore mining and the like, and therefore a mining explosion-proof intrinsic safety type flowmeter needs to be developed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the to-be-solved technical problem of the utility model is to provide a simple structure, the mining flame proof's of explosion-proof isolation intrinsic safety type flowmeter.
The utility model discloses technical scheme that mining flame proof and intrinsic safety type flowmeter adopted includes sensor device and converter, the converter includes converter casing and converter face lid, converter casing lower extreme is equipped with the cable port, the inside observation window subassembly that is equipped with of converter, sensor device with link together its characterized in that through communication cable between the converter: the cable port consists of a rubber ring, an annular gasket and a compression nut, the rubber ring, the annular gasket and the compression nut are sequentially installed in an installation opening of the converter, at least the rubber ring is in interference connection with the installation opening, and the compression nut is in threaded connection with the installation opening; the sensor device comprises a junction box shell, a junction box cover, a screw assembly for connecting the junction box cover to the junction box shell through bolts, a circuit board which is arranged in the junction box shell and connected with the communication cable, and a cable port which is arranged outside the junction box shell, wherein epoxy resin is filled in the junction box shell.
The sensor device also comprises a sensor shell and a catheter component arranged in the sensor shell, wherein a coil is arranged outside the catheter component, a magnet yoke is arranged outside the coil, an electrode device is arranged between the catheter component and the magnet yoke, and a catheter lining is arranged in the catheter component.
The electrode device is including wearing to establish the pipe subassembly with insulating bush, electrode shield cover, electrode nut, electrode lug and the electrode of pipe lining, the electrode is worn to establish insulating bush, one end is established the inside of pipe lining, the other end is equipped with in proper order the electrode nut with the electrode lug, the electrode shield cover is established outside the electrode.
The observation window assembly comprises a glass layer, a first pressing plate, a copper pad, a rubber pad and a second pressing plate, wherein the copper pad and the first pressing plate are sequentially arranged on the outer side of the glass layer, the rubber pad and the second pressing plate are sequentially arranged on the inner side of the glass layer, and the glass layer is fixedly connected through a connecting assembly in a threaded connection mode.
The converter face cover is connected with the converter shell through the explosion-proof face and is screwed and fixed through a converter screw.
The utility model discloses mining flame proof and intrinsic safety type flowmeter's advantage lies in: the explosion-proof function can be applied to dangerous places such as industrial mines and the like; the measured data can be transmitted to the converter for people to observe; the shell protection level reaches IP 54.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural diagram of the flame-proof and intrinsically safe flow meter for mining of the utility model;
fig. 2 is a side cross-sectional view of the present invention transducer;
FIG. 3 is an enlarged view A-A of FIG. 2;
fig. 4 is a side cross-sectional view of the sensor device of the present invention;
FIG. 5 is an enlarged view of C-C of FIG. 4;
FIG. 6 is an enlarged view of D-D of FIG. 4;
fig. 7 is an enlarged view of B-B of fig. 2.
Detailed Description
As shown in fig. 1-5, the utility model relates to a mining flame proof and intrinsic safety type flowmeter, including sensor device 1 and converter 2, converter 2 includes converter casing 41 and converter face lid 42, converter casing 41 lower extreme is equipped with cable port 3, converter 2 is inside to be equipped with observation window subassembly 5, sensor device 1 with link together through communication cable 4 between the converter 2, cable port 3 comprises rubber circle 6, ring gasket 8 and gland nut 9, rubber circle 6, ring gasket 8 and gland nut 9 install in proper order in the installing port 10 of converter 2 to at least rubber circle 6 with installing port 10 interference connection, gland nut 9 with installing port 10 threaded connection; the sensor device 1 comprises a junction box shell 11, a junction box cover 12, a screw assembly 13 connected with the junction box cover 12 through bolts on the junction box shell 11, a circuit board 14 installed in the junction box shell 11 and connected with the communication cable 4, and a cable port 3 installed outside the junction box shell 11, epoxy resin 15 is filled in the junction box shell 11, the whole sealing performance is good, and the explosion-proof requirement is met.
The sensor device 1 further comprises a sensor housing 18 and a conduit assembly 19 arranged inside the sensor housing 18, wherein a coil 20 is arranged outside the conduit assembly 19, a magnetic yoke 21 is arranged outside the coil 20, an electrode device 22 is arranged between the conduit assembly 19 and the magnetic yoke 21, and a conduit lining 23 is arranged inside the conduit assembly 19.
The electrode device 22 comprises an insulating bush 28, an electrode shielding cover 24, an electrode nut 25, an electrode lug 26 and an electrode 27, wherein the insulating bush 28, the electrode shielding cover 24, the electrode nut 25, the electrode lug 26 and the electrode 27 penetrate through the catheter assembly 19 and the catheter lining 23, one end of the electrode 27 is arranged in the catheter lining 23, the other end of the electrode 27 is sequentially provided with the electrode nut 25 and the electrode lug 26, and the electrode shielding cover 24 covers the electrode 27.
The converter surface cover 42 is connected with the converter shell 41 through an explosion-proof surface 43 and is screwed and fixed through a converter screw 44, so that the explosion-proof requirement is met.
The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention are all included within the protection scope of the present invention.
Claims (5)
1. The utility model provides a mining flame proof and intrinsic safety type flowmeter, includes sensor device (1) and converter (2), converter (2) are including converter casing (41) and converter face lid (42), converter casing (41) lower extreme is equipped with cable port (3), converter (2) inside is equipped with observation window subassembly (5), sensor device (1) with link together its characterized in that through communication cable (4) between converter (2): the cable port (3) is composed of a rubber ring (6), an annular gasket (8) and a compression nut (9), the rubber ring (6), the annular gasket (8) and the compression nut (9) are sequentially installed in an installation port (10) of the converter (2), at least the rubber ring (6) is in interference connection with the installation port (10), and the compression nut (9) is in threaded connection with the installation port (10); the sensor device (1) comprises a junction box shell (11), a junction box cover (12), a screw assembly (13) connected with the junction box cover (12) through a bolt, a circuit board (14) arranged in the junction box shell (11) and connected with the communication cable (4), and a cable port (3) arranged outside the junction box shell (11), wherein epoxy resin (15) is filled in the junction box shell (11).
2. The mining flameproof and intrinsically safe flowmeter of claim 1, characterized in that: the sensor device (1) further comprises a sensor shell (18) and a conduit assembly (19) arranged inside the sensor shell (18), a coil (20) is arranged outside the conduit assembly (19), a magnetic yoke (21) is arranged outside the coil (20), an electrode device (22) is arranged between the conduit assembly (19) and the magnetic yoke (21), and a conduit lining (23) is arranged inside the conduit assembly (19).
3. The mining flameproof and intrinsically safe flowmeter of claim 2, characterized in that: electrode assembly (22) including wear to establish conduit subassembly (19) with insulating bush (28), electrode shield cover (24), electrode nut (25), electrode lug (26) and electrode (27) of conduit lining (23), electrode (27) are worn to establish insulating bush (28), one end is established the inside of conduit lining (23), the other end is equipped with in proper order electrode nut (25) with electrode lug (26), electrode shield cover (24) cover is established outside electrode (27).
4. The mining flameproof and intrinsically safe flowmeter of claim 1, characterized in that: the observation window assembly (5) comprises a glass layer (31), a first pressing plate (32), a copper pad (33), a rubber pad (34) and a second pressing plate (35), wherein the copper pad (33) and the first pressing plate (32) are sequentially arranged on the outer side of the glass layer (31), the rubber pad (34) and the second pressing plate (35) are sequentially arranged on the inner side of the glass layer, and the glass layer is fixedly connected through a connecting assembly (36) in a threaded connection mode.
5. The mining flameproof and intrinsically safe flowmeter of claim 1, characterized in that: the converter surface cover (42) is connected with the converter shell (41) through an explosion-proof surface (43) and is screwed and fixed through a converter screw (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922312329.2U CN210893269U (en) | 2019-12-20 | 2019-12-20 | Mining flame-proof and intrinsic safety type flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922312329.2U CN210893269U (en) | 2019-12-20 | 2019-12-20 | Mining flame-proof and intrinsic safety type flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210893269U true CN210893269U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922312329.2U Active CN210893269U (en) | 2019-12-20 | 2019-12-20 | Mining flame-proof and intrinsic safety type flowmeter |
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| CN (1) | CN210893269U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811594A (en) * | 2020-07-22 | 2020-10-23 | 西安罗格石油仪器有限公司 | Well divides and annotates long-term electromagnetic flowmeter in pit for injection network |
-
2019
- 2019-12-20 CN CN201922312329.2U patent/CN210893269U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811594A (en) * | 2020-07-22 | 2020-10-23 | 西安罗格石油仪器有限公司 | Well divides and annotates long-term electromagnetic flowmeter in pit for injection network |
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Address after: 325600 building 7, Oriental Science and Technology Park, Weng long street, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Zhejiang Yongrui Instrument Technology Co.,Ltd. Address before: Weng Long Jie Dao Dong Fang Cun, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: Zhejiang Yongrui Instrument Technology Co.,Ltd. |