CN110514261B - Protection device for electromagnetic flow meter work - Google Patents
Protection device for electromagnetic flow meter work Download PDFInfo
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- CN110514261B CN110514261B CN201910667709.XA CN201910667709A CN110514261B CN 110514261 B CN110514261 B CN 110514261B CN 201910667709 A CN201910667709 A CN 201910667709A CN 110514261 B CN110514261 B CN 110514261B
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- China
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- box body
- fixedly connected
- electromagnetic flowmeter
- protector
- pipe
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/12—Cleaning arrangements; Filters
- G01F15/125—Filters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/14—Casings, e.g. of special material
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Volume Flow (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The invention relates to the technical field of instrument protection, and discloses a protective device for electromagnetic flow meter work, which comprises a protective box body, wherein the bottom of the protective box body is hinged with two split doors, the end surfaces, close to each other, of the two split doors are respectively provided with a semicircular through hole, a semicircular dustproof sleeve is fixedly installed on the inner circular surface of each semicircular through hole, an electromagnetic flow meter is fixedly inserted between the side surfaces, close to each other, of the two semicircular dustproof sleeves, two groups of rotating rods are symmetrically hinged between the front side surface and the rear side surface of the protective box body, the number of the rotating rods in each group is two, a first spring is fixedly connected between the side surfaces, close to each two rotating rods in each group, and the bottom of each rotating rod is fixedly connected with a clamping. The invention solves the problems that the electromagnetic flow is damaged due to the influence of severe environment, thereby shortening the service life and being incapable of working normally.
Description
Technical Field
The invention relates to the technical field of instrument protection, in particular to a protection device for an electromagnetic flowmeter.
Background
The electromagnetic flowmeter measures the flow of the conductive fluid according to the electromotive force induced when the conductive fluid passes through an external magnetic field by applying the electromagnetic induction principle, and is widely applied due to the fact that the measurement is not affected by the changes of density, viscosity, temperature, pressure and conductivity of the fluid and the adoption of a novel excitation mode and has the advantages of low power consumption, stable zero point, high accuracy and the like.
The workplace of electromagnetic flowmeter is the mill mostly, and the environment in the mill is generally more abominable, if there is a large amount of dust, it is moist etc., and abominable environment easily leads to the electromagnetic flowmeter harm, thereby influence its normal work, and the electromagnetic flowmeter itself can produce high temperature in the work, can cause the damage to spare part of self, in order to make the electromagnetic flowmeter not to receive abominable operational environment as far as influence, reduce its temperature of itself and improve its life, so need urgently to design an effective protector for the electromagnetic flowmeter.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a protective device for the work of an electromagnetic flowmeter, which solves the problems that the electromagnetic flowmeter is damaged due to the influence of a severe environment, so that the service life of the electromagnetic flowmeter is shortened, and the electromagnetic flowmeter cannot work normally.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a protection device for electromagnetic flow meter work comprises a protection box body, wherein the bottom of the protection box body is hinged with two split doors, the end faces, close to the two split doors, of the two split doors are respectively provided with a semicircular through hole, a semicircular dustproof sleeve is fixedly installed on the inner circular surface of each semicircular through hole, an electromagnetic flow meter is fixedly inserted between the side faces, close to the two semicircular dustproof sleeves, of the two semicircular through holes, two groups of rotating rods are symmetrically hinged between the front side face and the rear side face of the protection box body, the number of the rotating rods in each group is two, a first spring is fixedly connected between the side faces, close to the two rotating rods in each group, the bottom of each rotating rod is fixedly connected with a clamping plate, the left side face and the right side face of the protection box body are symmetrically and fixedly connected with two exhaust filter boxes, the bottom of each exhaust filter box is communicated with an air outlet pipe, and, the exhaust fan is fixedly installed on the exhaust pipe, the top of the exhaust filtering box is communicated with the exhaust pipe, the left side surface and the right side surface of the protective box body are symmetrically and fixedly connected with two electric telescopic rods through two supporting plates, the top of the protective box body is symmetrically and fixedly connected with two supporting rods, the top of each supporting rod is hinged with a lever, the side surface far away from the two supporting rods is fixedly connected with a supporting plate, a second spring is fixedly connected between the top of the supporting plate and the bottom of the lever, the end far away from the two levers is respectively and fixedly connected with a first pull rope between the output ends of the adjacent electric telescopic rods, the top of the protective box body is fixedly connected with an air suction filtering box, an air inlet pipe is communicated between the bottom of the air suction filtering box and the top of the protective box body, the top of the air suction filtering box is, two square holes have been seted up to the top symmetry of protective housing body, and fixed grafting has square pipe between the square hole medial surface, and the bottom of square pipe runs through the square hole and extends to the protective housing body inside, the spout has all been seted up on the inner wall about the square pipe, two the equal fixedly connected with second stay cord of one end that the lever is close to mutually, pull ring fixedly connected with fixed plate is passed through to the bottom of second stay cord, two pulleys of symmetrical fixedly connected with on the side about the fixed plate, and two pulleys slide in the spout on the inner wall about square pipe respectively, two sets of dead levers of bottom fixedly connected with of fixed plate, the quantity of every group dead lever is two, and is two sets of fixedly connected with drying box between the bottom of dead lever.
Preferably, the two groups of rotating rods are symmetrically distributed on two sides of the electromagnetic flowmeter.
Preferably, transparent glass is installed on the front surface of the protection box body.
Preferably, the top end of the sliding groove on the left side surface and the right side surface of the square pipe is through, and the bottom end of the sliding groove is sealed.
Preferably, the side face of the section of the square pipe located inside the protection box body is hollowed out.
Preferably, the front surfaces of the air suction filter box and the two exhaust filter boxes are hinged with filter box doors.
Preferably, the side surface of the drying box is hollowed out.
Preferably, the interior of the suction filter box, the interior of the two exhaust filter boxes and the interior of the drying box are all filled with activated carbon.
Preferably, the maximum stroke of the electric telescopic rod is equal to the height of the square pipe.
(III) advantageous effects
Compared with the prior art, the invention provides a protective device for the work of an electromagnetic flowmeter, which has the following beneficial effects:
1. according to the invention, the important part converter of the electromagnetic flowmeter is arranged in the protective box body through the protective box body, and is isolated from the external working environment, so that impurities such as dust in the external air can be effectively prevented from being directly contacted with the converter of the electromagnetic flowmeter, and the electromagnetic flowmeter is effectively protected.
2. According to the invention, the external air is sucked by the arranged air suction fan, purified by the activated carbon in the air suction filter box and then enters the protective box body, the air in the protective box body is sucked out by the exhaust fan and is exhausted outside the protective box body after being purified by the exhaust filter box, so that the hotter air in the protective box body is exhausted out of the protective box body due to the heating of the electromagnetic flowmeter during the work, the purification and the updating of the gas in the protective box are completed, the electromagnetic flowmeter is effectively cooled, and the normal operation of the electromagnetic flowmeter is ensured.
3. According to the invention, the fixed plate is driven to slide up and down in the square tube by the up-and-down operation of the arranged electric telescopic rod, so that the drying box is driven to move up and down in the protective box body, the contact area between the active carbon in the drying box and the air in the protective box body can be increased, the adsorption force on the moisture in the air is improved, the moisture in the air in the protective box body is better removed, and the electromagnetic flow meter is prevented from being damaged due to humidity.
4. According to the invention, through the arranged rotating rod, the distance between each group of two clamping plates can be changed by rotating the rotating rod, so that the clamping of the electromagnetic flowmeters with different pipe diameters can be completed, the device can be installed on different electromagnetic flowmeters, the working range of the device is expanded, the clamping operation is simple, and the installation efficiency is improved.
Drawings
FIG. 1 is a front view of an electromagnetic flowmeter protector according to the present invention;
FIG. 2 is a front cross-sectional view of an electromagnetic flowmeter protector of the present invention;
FIG. 3 is a partial left side view of an electromagnetic flowmeter protector of the present invention;
FIG. 4 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 5 is a bottom view of the protective case body of the present invention.
In the figure: the automatic air suction type drying box comprises a protection box body 1, a split door 2, a dustproof sleeve 3, an electromagnetic flowmeter 4, a rotating rod 5, a first spring 6, a clamping plate 7, an exhaust filtering box 8, an air outlet pipe 9, an exhaust fan 10, an exhaust pipe 11, an electric telescopic rod 12, a supporting rod 13, a lever 14, a supporting plate 15, a second spring 16, a first pull rope 17, an air suction filtering box 18, an air inlet pipe 19, an air suction pipe 20, an air suction fan 21, a square pipe 22, a second pull rope 23, a fixing plate 24, a pulley 25, a fixing rod 26 and a drying box 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, the present invention provides a technical solution: a protective device for the work of an electromagnetic flowmeter comprises a protective box body 1, wherein transparent glass is arranged on the front side of the protective box body 1, parameters on an electromagnetic flowmeter 4 can be observed conveniently, two split doors 2 are hinged to the bottom of the protective box body 1, semicircular through holes are formed in the end faces, close to the two split doors 2, of the two split doors, semicircular dustproof sleeves 3 are fixedly arranged on the inner circular faces of the semicircular through holes, the electromagnetic flowmeter 4 is fixedly inserted between the side faces, close to the two semicircular dustproof sleeves 3, two groups of rotating rods 5 are symmetrically hinged between the front side face and the rear side face of the protective box body 1, the two groups of rotating rods 5 are symmetrically distributed on two sides of the electromagnetic flowmeter 4, two groups of clamping plates 7 can firmly clamp the electromagnetic flowmeter 4, the number of the rotating rods 5 in each group is two, a first spring 6 is fixedly connected between the side faces, close to the two rotating rods 5 in each group, and clamping plates, the left side and the right side of the protective box body 1 are symmetrically and fixedly connected with two exhaust filtering boxes 8, the air suction filtering box 18 and the drying box 27 are all filled with active carbon, moisture and dust in the air can be adsorbed, the air in the protective box body 1 can be purified, the electromagnetic flowmeter 4 can be ensured to normally operate, the bottom of the air inlet filtering box 8 is communicated with an air outlet pipe 9, the other end of the air outlet pipe 9 penetrates through the side surface of the adjacent protective box body 1 and extends into the air outlet pipe, an exhaust fan 10 is fixedly installed on the air outlet pipe 9, the top of the exhaust filtering box 8 is communicated with an exhaust pipe 11, the left side and the right side of the protective box body 1 are symmetrically and fixedly connected with two electric telescopic rods 12 through two support plates, the maximum stroke of the electric telescopic rods 12 is equal to the length of a chute on the left side and the right side of the square pipe 22, the fixed plate 24, further leading the device to be incapable of normal operation, two support rods 13 are symmetrically and fixedly connected to the top of the protective box body 1, the top of each support rod 13 is hinged with a lever 14, the side face, far away from each support rod 13, of each support plate 15 is fixedly connected with a support plate 15, a second spring 16 is fixedly connected between the top of each support plate 15 and the bottom of each lever 14, one end, far away from each lever 14, of each lever 14 is respectively and fixedly connected with a first pull rope 17 between the output ends of the adjacent electric telescopic rods 12, the top of the protective box body 1 is fixedly connected with an air suction filter box 18, the front faces of the air suction filter box 18 and the front faces of the two exhaust filter boxes 8 are hinged with filter box doors, active carbon in the filter boxes is convenient to replace, an air inlet pipe 19 is communicated between the bottom of the air suction filter box 18 and the top, the top of the protection box body 1 is symmetrically provided with two square holes, a square pipe 22 is fixedly inserted between the inner side surfaces of the square holes, the top ends of chutes on the left side surface and the right side surface of the square pipe 22 are communicated, the bottom ends of the chutes are sealed, the situation that the filtering box 27 falls down to damage the electromagnetic flow meter 4 or the protection box body 1 due to sudden damage and fracture of the second pull rope 23 is prevented, the top ends of the chutes are communicated, the drying box 27 is conveniently taken out to replace the active carbon inside the drying box body 1, one section of side surface of the square pipe 22, which is positioned inside the protection box body 1, is hollow, one section of side surface, which is positioned outside the protection box body 1, is solid, the active carbon in the drying box 27 is fully contacted with the air inside the protection box body 1 to play a larger role, the dust outside the protection box body 1 can be effectively prevented from entering the protection box body 1 from the side surface of the square pipe 22, and the bottom, all seted up the spout on the inner wall about square pipe 22, the equal fixedly connected with second stay cord 23 of one end that two levers 14 are close to mutually, pull ring fixedly connected with fixed plate 24 is passed through to the bottom of second stay cord 23, two pulleys 25 of symmetry fixedly connected with on the side about fixed plate 24, and slide in the spout on the inner wall about square pipe 22 respectively for two pulleys 25, two sets of dead lever 26 of bottom fixedly connected with of fixed plate 24, the quantity of every dead lever 26 of group is two, the dry box 27 of fixedly connected with between the bottom of two sets of dead lever 26, the side of dry box 27 is the fretwork, make the active carbon can contact with the inside air of protective housing body 1, thereby get rid of moisture and dust wherein.
The working principle is as follows: installation work, loosen two bolts between the bottom of the two-piece door 2, open two-piece door 2 at the bottom of the protective box body 1, then insert the first half of the electromagnetic flowmeter 4 into the protective box body 1, and rotate two rotating rods 5 of each group along the direction of keeping away from each other, thereby place the conduit of the electromagnetic flowmeter 4 between two clamping plates 7, then loosen the rotating rods 5 to make the two clamping plates 7 clamp the conduit of the electromagnetic flowmeter 4, then close two-piece door 2, and insert the electromagnetic flowmeter 4 into the pipeline, and the device is installed and is completed.
When the device works, the two exhaust fans 10 and the two suction fans 21 are started, the suction fans 21 suck external air into the suction filter box 18 through the suction pipe 20 for filtering and purification, then the air is sent into the protection box body 1 through the air inlet pipe 19, meanwhile, the exhaust fans 10 send hot air in the protection box body 1 into the exhaust filter box 8 through the air outlet pipe 9 for filtering and purification, then the hot air is discharged into the external air through the exhaust pipe 11, the updating and purification of the air in the protection box body 1 are completed, the cooling of the electromagnetic flowmeter 4 is completed, meanwhile, the electric telescopic rod 12 is started to run up and down and is matched with the second spring 16, the lever 14 is driven to rotate forward and backward ceaselessly through the first pull rope 17, the lever 14 drives the fixing plate 24 to slide up and down along sliding grooves on the left inner wall and the right inner wall of the square pipe 22 through the second pull rope 23 and the pulley 25, the fixing plate 24 drives the drying box 27 to slide up and, thereby carry out abundant dehumidification to the inside air of protective housing body 1, protect electromagnetic flowmeter 4, the work is accomplished.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an electromagnetic flow meter protector for work, includes protective housing body (1), its characterized in that: the bottom of the protective box body (1) is hinged with two split doors (2), the end faces, close to the two split doors (2), of the two split doors are respectively provided with a semicircular through hole, a semicircular dustproof sleeve (3) is fixedly installed on the inner circular surface of each semicircular through hole, an electromagnetic flowmeter (4) is fixedly inserted between the side faces, close to the two semicircular dustproof sleeves (3), of the two split doors, two groups of rotating rods (5) are symmetrically hinged between the front side face and the rear side face of the protective box body (1), the number of the rotating rods (5) in each group is two, a first spring (6) is fixedly connected between the side faces, close to the two rotating rods (5) in each group, the bottom of each rotating rod (5) is fixedly connected with a clamping plate (7), the left side face and the right side face of the protective box body (1) are symmetrically and fixedly connected with two exhaust filter boxes (8), and the bottom of, the other end of the air outlet pipe (9) penetrates through the side face of the adjacent protective box body (1) and extends into the protective box body, an exhaust fan (10) is fixedly installed on the air outlet pipe (9), the top of the exhaust filter box (8) is communicated with an exhaust pipe (11), the left side face and the right side face of the protective box body (1) are symmetrically and fixedly connected with two electric telescopic rods (12) through two supporting plates, the top of the protective box body (1) is symmetrically and fixedly connected with two supporting rods (13), the top of each supporting rod (13) is hinged with a lever (14), the side faces, far away from the two supporting rods (13), of each supporting rod (15) are fixedly connected with a supporting plate (15), a second spring (16) is fixedly connected between the top of each supporting plate (15) and the bottom of the lever (14), and a first pull rope (17) is fixedly connected between the end, far away from the two levers, the top of the protection box body (1) is fixedly connected with an air suction filter box (18), an air inlet pipe (19) is communicated between the bottom of the air suction filter box (18) and the top of the protection box body (1), the top of the air suction filter box (18) is communicated with an air suction pipe (20), an air suction fan (21) is fixedly installed on the air suction pipe (20), two square holes are symmetrically formed in the top of the protection box body (1), a square pipe (22) is fixedly inserted between the inner side surfaces of the square holes, the bottom of the square pipe (22) penetrates through the square holes and extends into the protection box body (1), sliding grooves are formed in the left inner wall and the right inner wall of the square pipe (22), a second pull rope (23) is fixedly connected to one end, close to the two levers (14), a fixing plate (24) is fixedly connected to the bottom end of the second pull rope (23) through pull rings, and two pulleys (25) are symmetrically and fixedly connected to the, and two pulleys (25) slide in the spout on the inner wall about square pipe (22) respectively, the bottom fixedly connected with two sets of dead lever (26) of fixed plate (24), the quantity of every group dead lever (26) is two, and is two sets of fixedly connected with drying box (27) between the bottom of dead lever (26).
2. An electromagnetic flowmeter operational protector as set forth in claim 1 in which: the two groups of rotating rods (5) are symmetrically distributed on two sides of the electromagnetic flowmeter (4).
3. An electromagnetic flowmeter operational protector as set forth in claim 1 in which: transparent glass is installed on the front of protection box body (1).
4. An electromagnetic flowmeter operational protector as set forth in claim 1 in which: the top end of the sliding groove on the left side surface and the right side surface of the square pipe (22) is through, and the bottom end of the sliding groove is sealed.
5. An electromagnetic flowmeter operational protector as set forth in claim 1 in which: one section of side surface of the square pipe (22) in the protective box body (1) is hollow.
6. An electromagnetic flowmeter operational protector as set forth in claim 1 in which: the front surfaces of the air suction filter box (18) and the two exhaust filter boxes (8) are hinged with filter box doors.
7. An electromagnetic flowmeter operational protector as set forth in claim 1 in which: the side surface of the drying box (27) is hollowed out.
8. An electromagnetic flowmeter operational protector as set forth in claim 1 in which: the interior of the air suction filter box (18), the interior of the two air exhaust filter boxes (8) and the interior of the drying box (27) are all filled with activated carbon.
9. An electromagnetic flowmeter operational protector as set forth in claim 1 in which: the maximum travel of the electric telescopic rod (12) is equal to the height of the square tube (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910667709.XA CN110514261B (en) | 2019-07-23 | 2019-07-23 | Protection device for electromagnetic flow meter work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910667709.XA CN110514261B (en) | 2019-07-23 | 2019-07-23 | Protection device for electromagnetic flow meter work |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110514261A CN110514261A (en) | 2019-11-29 |
| CN110514261B true CN110514261B (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910667709.XA Active CN110514261B (en) | 2019-07-23 | 2019-07-23 | Protection device for electromagnetic flow meter work |
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| CN (1) | CN110514261B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8453646B2 (en) * | 2009-12-22 | 2013-06-04 | Honeywell International Inc. | Sensor apparatus and method to regulate air flow in a powered air purifying respirator |
| CN207268634U (en) * | 2017-05-26 | 2018-04-24 | 衢州欧科自动化仪表有限公司 | A kind of electromagnetic flowmeter |
| CN107796445A (en) * | 2017-12-06 | 2018-03-13 | 博维恩冷冻科技（苏州）有限公司 | A kind of flowmeter with protective cover |
| CN208206221U (en) * | 2018-04-23 | 2018-12-07 | 浙江天赛计量检测研究有限公司 | A kind of outer protective device of fluid flowmeter |
| CN208505393U (en) * | 2018-06-08 | 2019-02-15 | 广州研宏自动化仪表有限公司 | A kind of electromagnetic flowmeter with safeguard function |
| CN208708066U (en) * | 2018-08-16 | 2019-04-05 | 河北鑫鼎盛海电子科技有限公司 | A kind of cabinet safety device |
| CN208754466U (en) * | 2018-11-02 | 2019-04-16 | 星融元数据技术(苏州)有限公司 | A kind of interchanger with moistureproof and waterproof function |
| CN209027618U (en) * | 2018-12-21 | 2019-06-25 | 南京聚里自动化科技有限公司 | A kind of explosion-proof type industrial smoke flowmeter |
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2019
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