CN213363901U - High-precision electromagnetic flowmeter convenient to maintain - Google Patents

Abstract

The utility model discloses a high accuracy is convenient for maintain's electromagnetic flowmeter, including cartridge filter, electromagnetic flowmeter main part, terminal box and control box, the cartridge filter is installed to the one end of electromagnetic flowmeter main part, and the both ends of cartridge filter and electromagnetic flowmeter main part all are provided with the mounting disc. The utility model discloses an install the mounting disc, first sealing washer and second sealing washer, when making the device use, the user can utilize the mounting disc and the effect of the screw thread pilot hole that sets up on it, assemble cartridge filter and electromagnetic flowmeter main part, and install the device on corresponding water pipe, and when the user utilized the mounting disc to assemble the device, both utilized the material to be the sealed effect of second sealing washer of silica gel can promote the junction, when liquid seepage appears in the junction again, utilize the first sealing washer inflation of material for water absorption inflation resin to seal the gap of junction, and then through the dual sealed effect, the sealing performance of device has been promoted.

Description

High-precision electromagnetic flowmeter convenient to maintain

Technical Field

The utility model relates to an electromagnetic flowmeter technical field specifically is a high accuracy is convenient for maintain's electromagnetic flowmeter.

Background

The electromagnetic flowmeter is widely applied in the industrial field, and is a flowmeter for measuring flow according to the Faraday's law of electromagnetic induction, and when in specific use, the electromagnetic flowmeter calculates the flow velocity of fluid in a pipeline by measuring induced electromotive force generated on electrodes at two sides of a measuring conduit when the fluid moves in a cutting force line in a magnetic field so as to determine the flow of the fluid, but the existing electromagnetic flowmeter has the following problems in practical use:

1. the common electromagnetic flowmeter often has the defects of no filtering structure and poor measurement precision, which leads to low practicability of the device;

2. the existing electromagnetic flow meters on the market also generally have the problems of poor sealing performance and difficulty in disassembly, assembly and maintenance, which causes poor use effect of the device;

3. the existing electromagnetic flow meter also has the disadvantages of serious heat loss and difficulty in data storage, which results in poor functionality of the device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electromagnetic flowmeter that high accuracy is convenient for maintain to what provide does not possess among the above-mentioned background art filtration and measurement accuracy poor, sealing performance poor and difficult dismouting maintenance and the problem of the heat loss serious and difficult save data of solving.

In order to achieve the above object, the utility model provides a following technical scheme: a high-precision and convenient-to-maintain electromagnetic flowmeter comprises a filter cartridge, an electromagnetic flowmeter main body, a junction box and a control box, wherein the filter cartridge is installed at one end of the electromagnetic flowmeter main body, mounting discs are arranged at two ends of the filter cartridge and the electromagnetic flowmeter main body, nano ceramic anti-sticking layers are arranged on the inner side walls of the filter cartridge and the electromagnetic flowmeter main body, PVC insulating layers are arranged on the filter cartridge and the electromagnetic flowmeter main body outside the nano ceramic anti-sticking layers, the junction box is fixed at the top end of the electromagnetic flowmeter main body, a liquid crystal display screen is installed at one side of the junction box, the control box is installed at the top end of the junction box through a lead, a storage battery is installed at the bottom end inside the control box, a fan is installed inside the control box above the storage battery, a circuit board is installed inside the control box above the fan, and, one side of control box is provided with the access cover to the control box keeps away from one side of access cover and evenly welds the stationary blade.

Preferably, evenly be provided with the screw thread pilot hole that is concentric circles and arranges on the mounting disc, cartridge filter and electromagnetic flow meter main part all with constitute integrated welded structure between the mounting disc, make its convenient to use person assemble cartridge filter and electromagnetic flow meter main part.

Preferably, the one end of mounting disc has set gradually first sealing washer and second sealing washer from outside to inside, and the material of second sealing washer is silica gel, and the material of first sealing washer is water swelling resin, and is provided with on the mounting disc with first sealing washer assorted preformed groove, makes it through double-seal effect, has promoted the sealing performance of device.

Preferably, the inner diameter of the filter cartridge is equal to the inner diameter of the electromagnetic flowmeter main body, and a filter screen is arranged at one end of the interior of the filter cartridge, which is far away from the electromagnetic flowmeter main body, so that the filter screen can filter the liquid in the interior of the introducing device.

Preferably, the edge of access cover is provided with the rubber sealing layer, and four corners of access cover all are provided with the locking bolt of being connected with the control box to evenly weld has the heating panel on the access cover, evenly is provided with the louvre on the heating panel, makes its convenient to use person overhaul the maintenance to the electronic component of control box inside.

Preferably, the outer wall of fan and battery all evenly is fixed with the connecting strip, is provided with the screw of being connected with the control box on the connecting strip, makes its convenient to use person with fan and battery dismouting inside the control box.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the electromagnetic flowmeter with high precision and convenient maintenance optimizes the performance of the device by installing the filter cartridge, the electromagnetic flowmeter main body, the nano ceramic anti-sticking layer and the PVC insulating layer, when in use, on one hand, the filter cartridge is arranged at the water inlet end of the device, and the filter screen is arranged in the filter cartridge, so that the liquid led into the device can be filtered, large particle impurities are prevented from entering the electromagnetic flowmeter main body and damaging the inner wall of the electromagnetic flowmeter main body under the action of water flow impact force, and the influence of the impurities mixed in the liquid on the measurement effect is also avoided by filtering the impurities, thereby improving the measurement precision, on the other hand, the nano ceramic anti-sticking layer and the PVC insulating layer are arranged in the filter cartridge and the electromagnetic flowmeter main body, improving the anti-sticking effect, the corrosion resistant effect and the insulating effect of the device, and reducing the interference of an external magnetic field to the inside of, the measuring effect is further improved, and the accuracy of the measured data is enhanced;

(2) the high-precision and convenient-to-maintain electromagnetic flowmeter is provided with the mounting disc, the first sealing ring, the access cover, the connecting strip, the fan, the storage battery, the locking bolt, the second sealing ring, the threaded assembly hole, the filter cylinder and the electromagnetic flowmeter main body, so that the structure of the device is optimized, when the electromagnetic flowmeter is used, on one hand, a user can assemble the filter cylinder and the electromagnetic flowmeter main body by using the mounting disc and the threaded assembly hole arranged on the mounting disc, the device is installed on a corresponding water pipe, and by sequentially arranging the first sealing ring and the second sealing ring at one end of the mounting disc from outside to inside, when the device is assembled by using the mounting disc, the sealing effect of the joint can be improved by using the second sealing ring made of silica gel, and when liquid leakage occurs at the joint, the gap of the joint is sealed by using the expansion of the first sealing ring made of water-absorbent expansion resin, the sealing performance of the device is improved by the double sealing effect, the service life of the device is prolonged, and on the other hand, a user can disassemble and assemble the access cover on the control box by using the connecting action of the locking bolt, so that the user can conveniently overhaul and maintain the electronic elements in the control box, and the user can disassemble and assemble the fan and the storage battery in the control box by using the fixing action of the connecting strip and the screw, so that the device can be conveniently overhauled and maintained;

(3) the high-precision and convenient-to-maintain electromagnetic flowmeter is provided with the storage battery, the single chip microcomputer, the wireless signal transceiving module, the storage battery, the fan and the control box, when the device is used specifically, on one hand, when the control box operates, the fan is started to drive gas in the control box to flow, and then the air guide function of the heat dissipation plate and the heat dissipation holes is matched, so that a better air cooling heat dissipation effect can be realized, the heat loss when the control box operates is reduced, on the other hand, after the single chip microcomputer calculates and processes data, the data can be sent to background terminals of a mobile phone or a computer of a user by matching the wireless transceiving function of the wireless signal transceiving module, so that the user can know the flow condition and store the flow data at any time, the functionality of the device is enhanced, and the storage battery is arranged in the control box and can be used, the emergency power supply is carried out on the device, so that the operation of the device can be ensured, the damage of internal electronic devices caused by the sudden power failure closing of the device can be avoided, and the practicability of the device is enhanced.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the front sectional structure of the control box of the present invention;

FIG. 3 is a schematic side view of the mounting plate of the present invention;

fig. 4 is the sectional structure of the side wall of the main body of the electromagnetic flowmeter of the present invention.

In the figure: 1. mounting a disc; 2. a filter cartridge; 3. an electromagnetic flowmeter main body; 4. a junction box; 5. a liquid crystal display screen; 6. an access cover; 7. a heat dissipation plate; 8. a control box; 9. a circuit board; 10. a wireless signal transceiving module; 11. locking the bolt; 12. a fan; 13. a storage battery; 14. a connecting strip; 15. a fixing sheet; 16. a single chip microcomputer; 17. a first seal ring; 18. a threaded assembly hole; 19. a second seal ring; 20. a PVC insulating layer; 21. and a nano ceramic anti-sticking layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a high-precision electromagnetic flowmeter convenient to maintain comprises a filter cylinder 2, an electromagnetic flowmeter main body 3, a junction box 4 and a control box 8, wherein the filter cylinder 2 is installed at one end of the electromagnetic flowmeter main body 3, mounting discs 1 are arranged at two ends of the filter cylinder 2 and the electromagnetic flowmeter main body 3, nano-ceramic anti-adhesion layers 21 are arranged on the inner side walls of the filter cylinder 2 and the electromagnetic flowmeter main body 3, PVC insulation layers 20 are arranged on the filter cylinder 2 and the electromagnetic flowmeter main body 3 outside the nano-ceramic anti-adhesion layers 21, the junction box 4 is fixed at the top end of the electromagnetic flowmeter main body 3, a liquid crystal display screen 5 is installed at one side of the junction box 4, the control box 8 is installed at the top end of the junction box 4 through a lead, a storage battery 13 is installed at the bottom end inside the control box 8, a fan 12 is installed inside the control box 8 above the storage battery 13, and a circuit, a wireless signal transceiving module 10 and a single chip microcomputer 16 are mounted on the circuit board 9, an access cover 6 is arranged on one side of the control box 8, fixing pieces 15 are uniformly welded on one side, away from the access cover 6, of the control box 8, threaded assembling holes 18 which are arranged in a concentric circle mode are uniformly formed in the mounting plate 1, and an integrated welding structure is formed between the filter cartridge 2 and the electromagnetic flowmeter main body 3 and the mounting plate 1;

when in use, a user can assemble the filter cartridge 2 and the electromagnetic flowmeter main body 3 by using the mounting disc 1 and the screw thread assembling holes 18 arranged on the mounting disc, and the device is mounted on a corresponding water pipe, so that the practicability of the device is enhanced;

a first sealing ring 17 and a second sealing ring 19 are sequentially arranged at one end of the mounting disc 1 from outside to inside, the second sealing ring 19 is made of silica gel, the first sealing ring 17 is made of water-swelling resin, and a preformed groove matched with the first sealing ring 17 is formed in the mounting disc 1;

when the device is used, the first sealing ring 17 and the second sealing ring 19 are sequentially arranged at one end of the mounting disc 1 from outside to inside, when the device is assembled by using the mounting disc 1, the sealing effect of the joint can be improved by using the second sealing ring 19 made of silica gel, and when liquid leaks at the joint, the gap at the joint is sealed by using the expansion of the first sealing ring 17 made of water-absorbent expanded resin, so that the sealing performance of the device is improved by the double sealing effect, and the service life of the device is prolonged;

the inner diameter of the filter cartridge 2 is equal to the inner diameter of the electromagnetic flowmeter main body 3, and a filter screen is arranged at one end, far away from the electromagnetic flowmeter main body 3, in the filter cartridge 2;

when the device is used, the filter cylinder 2 is arranged at the water inlet end of the device, the filter screen is arranged in the filter cylinder 2, liquid in the lead-in device can be filtered, large particle impurities are prevented from entering the electromagnetic flowmeter main body 3 and damaging the inner wall of the electromagnetic flowmeter main body 3 under the action of water flow impact force, and the impurities are prevented from being mixed in the liquid to influence the measurement effect by filtering the impurities, so that the measurement precision is improved;

a rubber sealing layer is arranged at the edge of the access cover 6, locking bolts 11 connected with the control box 8 are arranged at four corners of the access cover 6, a heat dissipation plate 7 is uniformly welded on the access cover 6, and heat dissipation holes are uniformly formed in the heat dissipation plate 7;

when the air cooling heat dissipation device is used, on one hand, a user can use the connecting function of the locking bolt 11 to disassemble and assemble the access cover 6 on the control box 8, so that the user can conveniently overhaul and maintain electronic elements inside the control box 8, on the other hand, when the control box 8 runs, the fan 12 is started to drive air inside the control box 8 to flow, and the air guiding function of the heat dissipation plate 7 and the heat dissipation holes is matched, so that a good air cooling heat dissipation effect can be realized, and the heat loss of the control box 8 in running is reduced;

the outer walls of the fan 12 and the storage battery 13 are uniformly fixed with connecting strips 14, and screws connected with the control box 8 are arranged on the connecting strips 14;

when the device is used, a user can disassemble and assemble the fan 12 and the storage battery 13 in the control box 8 by using the fixing action of the connecting strip 14 and the screws, so that the device is convenient to overhaul and maintain;

the output end of the electromagnetic flowmeter main body 3 is electrically connected with the input end of the single chip microcomputer 16 through a lead, the output end of the single chip microcomputer 16 is electrically connected with the input ends of the liquid crystal display screen 5 and the fan 12 through leads respectively, the single chip microcomputer 16 is electrically connected with the wireless signal receiving and transmitting module 10 in a bidirectional mode, the wireless signal receiving and transmitting module 10 can be AK-119S, the single chip microcomputer 16 can be HT66F018, the electromagnetic flowmeter main body 3 can be LDG-MIK-QP, the fan 12 can be XD2006, and the liquid crystal display screen 5 can be LM 14432A.

The working principle is as follows: when in use, the external power supply is connected, a user can firstly assemble the filter cartridge 2 and the electromagnetic flowmeter main body 3 by using the effect of the mounting disc 1 and the thread assembling hole 18 arranged on the mounting disc, and the device is installed on a corresponding water pipe, thereby enhancing the practicability of the device, the structure is utilized, the device is convenient to disassemble, assemble and maintain, then the user can utilize the fixing piece 15 and the mounting hole arranged on the fixing piece to install the control box 8 on the wall by screws, finally, during specific measurement, water enters the electromagnetic flowmeter main body 3 through the filter cartridge 2, because the electromagnetic coil and the measuring electrode are arranged inside the side wall of the electromagnetic flowmeter main body 3, the measuring electrode can measure the induced electromotive force generated on the electrodes at two sides of the measuring conduit when the fluid does cutting force line movement in a magnetic field and send the monitored data to the single chip microcomputer 16, after the single chip microcomputer 16 calculates and processes the data, on the one hand, can control liquid crystal display 5 and show flow data directly perceivedly, on the other hand can cooperate wireless receiving and dispatching effect of wireless signal receiving and dispatching module 10, give user's backstage terminals such as cell-phone or computer with data transmission, convenient to use person knows the flow condition at any time and preserves flow data, the functionality of device has been strengthened, and through the internally mounted at control box 8 there is battery 13, utilize it as stand-by power supply, can be when unexpected power failure, carry out emergent power supply to the device, both can guarantee the operation of device, can avoid the device to close and cause the damage of inside electron device because of the outage suddenly, the practicality of device has been strengthened, and simultaneously, when the device is operated, on the one hand, through being provided with cartridge filter 2 at the end of intaking of device, and the inside filter screen that is provided with of cartridge filter 2, can filter the inside liquid of leading-in device, avoid large granule impurity to enter inside electromagnetic The inner wall of the magnetic flowmeter main body 3, and through filtering the impurity, has prevented the impurity from mixing in the liquid from influencing the measuring effect too, thus has promoted the measurement accuracy, on the other hand through having nanometer ceramic anti-sticking layer 21 and PVC insulating layer 20 in cartridge filter 2 and inside of the electromagnetic flowmeter main body 3, have promoted the anti-sticking, corrosion resisting effect and insulating effect of the apparatus, has lightened the interference of the external magnetic field to the inside of the electromagnetic flowmeter main body 3, further promoted the measuring effect, has strengthened the accuracy of the measured data, in addition, when specifically using, on the one hand, through setting up the first seal ring 17 and second seal ring 19 from outside to inside in proper order at one end of the mounting disc 1, when utilizing the mounting disc 1 to assemble the apparatus, both utilize the second seal ring 19 of the material silica gel to promote the sealed effect of the junction, when the liquid seepage appears in the junction, utilize the first seal ring 17 expansion of the material as water-absorbing expansion resin to seal the gap of the junction, and then through the double seal effect, the sealing performance of device has been promoted, be favorable to the life of extension fixture, on the other hand user can utilize locking bolt 11's connection effect, carry out the dismouting with access cover 6 on control box 8, and then convenient to use person overhauls the maintenance to the inside electronic component of control box 8, and control box 8 moves in the time, fan 12 starts, can drive the inside gas flow of control box 8, the air guide effect of deuterogamying heating panel 7 and louvre, can realize better air-cooled radiating effect, the heat loss when having alleviateed control box 8 moves.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a high accuracy is convenient for maintain electromagnetic flowmeter, includes cartridge filter (2), electromagnetic flowmeter main part (3), terminal box (4) and control box (8), its characterized in that: the electromagnetic flowmeter is characterized in that a filter cylinder (2) is installed at one end of an electromagnetic flowmeter main body (3), mounting discs (1) are arranged at two ends of the filter cylinder (2) and the electromagnetic flowmeter main body (3), nano ceramic anti-adhesion layers (21) are arranged on the inner side walls of the filter cylinder (2) and the electromagnetic flowmeter main body (3), PVC insulating layers (20) are arranged on the filter cylinder (2) and the electromagnetic flowmeter main body (3) outside the nano ceramic anti-adhesion layers (21), a junction box (4) is fixed at the top end of the electromagnetic flowmeter main body (3), a liquid crystal display screen (5) is installed at one side of the junction box (4), a control box (8) is installed at the top end of the junction box (4) through a lead, a storage battery (13) is installed at the bottom end inside the control box (8), and a fan (12) is installed inside the control box (8, the fan-type maintenance device is characterized in that a circuit board (9) is mounted inside a control box (8) above the fan (12), a wireless signal receiving and sending module (10) and a single chip microcomputer (16) are mounted on the circuit board (9), an access cover (6) is arranged on one side of the control box (8), and a fixing piece (15) is uniformly welded on one side, far away from the access cover (6), of the control box (8).

2. A high accuracy maintenance-friendly electromagnetic flowmeter as set forth in claim 1 wherein: evenly be provided with on mounting disc (1) and be concentric circles the screw thread pilot hole (18) of arranging, cartridge filter (2) and electromagnetic flowmeter main part (3) all with constitute integrated welded structure between mounting disc (1).

3. A high accuracy maintenance-friendly electromagnetic flowmeter as set forth in claim 1 wherein: the one end of mounting disc (1) has set gradually first sealing washer (17) and second sealing washer (19) from outside to inside, and the material of second sealing washer (19) is silica gel, and the material of first sealing washer (17) is water swelling resin, and is provided with on mounting disc (1) with first sealing washer (17) assorted preformed groove.

4. A high accuracy maintenance-friendly electromagnetic flowmeter as set forth in claim 1 wherein: the inner diameter of the filter cartridge (2) is equal to the inner diameter of the electromagnetic flowmeter main body (3), and a filter screen is arranged at one end, far away from the electromagnetic flowmeter main body (3), in the filter cartridge (2).

5. A high accuracy maintenance-friendly electromagnetic flowmeter as set forth in claim 1 wherein: the edge of access cover (6) is provided with the rubber sealing layer, and four corners of access cover (6) all are provided with locking bolt (11) of being connected with control box (8) to evenly weld on access cover (6) has heating panel (7), evenly is provided with the louvre on heating panel (7).

6. A high accuracy maintenance-friendly electromagnetic flowmeter as set forth in claim 1 wherein: the outer walls of the fan (12) and the storage battery (13) are uniformly fixed with connecting strips (14), and screws connected with the control box (8) are arranged on the connecting strips (14).

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