Anti-interference electromagnetic metering instrument

Abstract

The utility model relates to the technical field of electromagnetic metering instruments, and discloses an anti-interference electromagnetic metering instrument, which comprises an electromagnetic metering instrument, a protective shell and a top cover, a fixing mechanism is arranged in the protective shell, and a dismounting mechanism and a heat dissipation mechanism are arranged on the protective shell and the top cover. The protection shell and the top cover are both made of nickel-iron alloy materials, the influence of electromagnetic interference on the electromagnetic metering instrument can be effectively reduced, the anti-interference effect is achieved, the electromagnetic metering instrument can be flexibly clamped and fixed through the clamping plates, the electromagnetic metering instrument can be prevented from slipping off through the anti-slip stickers arranged on the clamping plates, and the fixing effect is improved; according to the electromagnetic metering device, efficient heat dissipation can be performed on the electromagnetic metering device through the arrangement of a heat dissipation fan, a breathable partition plate and a heat dissipation opening, the service life of the electromagnetic metering device is prolonged, meanwhile, damping and buffering can be performed on the electromagnetic metering device during working through the arrangement of a third spring, and the electromagnetic metering device is prevented from being collided in the protective shell to be damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic measuring instruments, in particular to an anti-interference electromagnetic measuring instrument. Background Art

[0002] Electromagnetic metering instrument is a device or instrument used to measure and analyze electromagnetic quantities. It belongs to the branch of metrology and involves electromagnetic units, measurement methods and technical specifications. Electromagnetic metering instruments also include a variety of specific types of instruments, such as electromagnetic flowmeters and electromagnetic water meters. Electromagnetic flowmeters use the principle of electromagnetic induction to measure the flow rate of conductive fluids. They have the advantages of no obstructions in the pipeline, low starting flow rate and high measurement accuracy. Electromagnetic water meters are electromagnetic flowmeters specifically used for domestic water metering. They differ in range ratio and flow measurement lower limit to adapt to different application scenarios. In general, electromagnetic metering instruments are important tools for achieving accurate electromagnetic quantity measurement. Their design and application are of great significance to the development of modern industry and science.

[0003] Traditional electromagnetic metering instruments, such as electromagnetic flow meters and electromagnetic power meters, can provide accurate measurement data, but they are easily affected by various electromagnetic interferences in complex industrial environments, resulting in reduced measurement accuracy or even failure to work properly. Therefore, it is necessary to provide an interference-resistant electromagnetic metering instrument. Utility Model Content

[0004] The purpose of the utility model is to provide an anti-interference electromagnetic measuring instrument to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-interference electromagnetic metering instrument, comprising an electromagnetic metering instrument, a protective shell and a top cover, wherein a fixing mechanism is arranged in the protective shell, and a disassembly mechanism and a heat dissipation mechanism are arranged on the protective shell and the top cover; the fixing mechanism comprises a clamping plate, an anti-slip sticker is bonded to the clamping plate, a guide rod is fixedly arranged at one end of the clamping plate, a first spring is sleeved on the guide rod, a connecting plate is arranged at one end of the guide rod, and a handle is fixedly arranged at one end of the connecting plate; the disassembly mechanism comprises a fixed A fixed block and an installation block, wherein an insert block is fixedly arranged on the bottom end surface of the installation block, a storage cavity is opened in the fixed block, a sliding block is slidably connected to the inner wall of the storage cavity, a clamping rod is fixedly arranged on one end of the sliding block, a pull rod is fixedly arranged on the other end of the sliding block, a second spring is sleeved on the pull rod, and a pull ring is arranged on one end of the pull rod; the heat dissipation mechanism comprises a breathable baffle and a mounting sleeve, a plurality of third springs are fixedly arranged on the bottom end surface of the breathable baffle, a bracket is fixedly arranged on the inner wall of the mounting sleeve, and a heat dissipation fan is fixedly arranged on the bracket.

[0006] Preferably, one end of the guide rod slides through the inner wall of the protective shell and is fixedly connected to the connecting plate, one end of the first spring is fixedly connected to the clamping plate, and the other end of the first spring is fixedly connected to the inner wall of the protective shell.

[0007] Preferably, the fixing block is fixedly arranged at both ends of the protective shell, the mounting block is fixedly arranged at both ends of the top cover, a slot adapted to the plug-in block is provided on the fixing block, a through hole is provided on the plug-in block, a card slot is provided on the inner wall of the slot, the card rod slides through the storage cavity, and passes through the through hole to be engaged with the card slot.

[0008] Preferably, one end of the second spring is fixedly connected to the sliding block, the other end of the second spring is fixedly connected to the inner wall of the storage cavity, and one end of the pull rod slides through the inner wall of the storage cavity and is fixedly connected to the pull ring.

[0009] Preferably, a mounting groove is provided on the top cover, the mounting sleeve is fixedly arranged in the mounting groove, a dustproof net is provided above the bracket, the dustproof net is fixedly connected to the inner wall of the mounting sleeve, the bottom end surfaces of the plurality of third springs are fixedly connected to the inner wall of the protective shell, and a heat dissipation port is provided on the bottom end surface of the protective shell.

[0010] Preferably, the protective shell and the top cover are both made of nickel-iron alloy, the bottom end surface of the top cover is fixedly provided with an inlay plate, the protective shell is provided with an embedding groove adapted to the inlay plate, the bottom end surface of the protective shell is fixedly provided with a supporting pad, the supporting pad is fixedly provided with a mounting piece, and both ends of the protective shell are provided with wire grooves.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1) The anti-interference electromagnetic metering instrument, through the protective shell and the top cover are made of nickel-iron alloy material, can effectively reduce the impact of electromagnetic interference on the electromagnetic metering instrument and achieve the anti-interference effect. At the same time, the protective shell and the top cover form a closed environment to achieve the purpose of protecting the electromagnetic metering instrument. The clamping plate can flexibly clamp and fix the electromagnetic metering instrument. The anti-slip stickers arranged on the clamping plate can prevent the electromagnetic metering instrument from slipping, thereby improving the fixing effect.

[0013] 2) The anti-interference electromagnetic metering instrument can efficiently dissipate heat for the electromagnetic metering instrument by providing a heat dissipation fan, a breathable baffle and a heat dissipation port, thereby ensuring the normal operation of the electromagnetic metering instrument and increasing the service life of the electromagnetic metering instrument. Meanwhile, the third spring provided at the bottom of the breathable baffle can provide shock absorption and buffering for the electromagnetic metering instrument during operation, thereby preventing the electromagnetic metering instrument from being damaged due to collisions in the protective shell.

[0014] 3) The anti-interference electromagnetic metering instrument can be maintained and repaired by pulling the pull ring to open the top cover, and the electromagnetic metering instrument can be disassembled by pulling the handle to release the clamping plate from fixing the electromagnetic metering instrument. The operation is simple and convenient, which greatly improves the practicality of the electromagnetic metering instrument. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the protective shell of the utility model;

[0017] Figure 3 This is a three-dimensional structural cross-sectional view of the protective shell of the utility model;

[0018] Figure 4 It is a three-dimensional structural schematic diagram of the top cover of the utility model;

[0019] Figure 5 It is a three-dimensional structural sectional view of the fixing block of the utility model.

[0020] In the figure: 1. electromagnetic metering instrument; 2. protective shell; 3. top cover; 4. fixing mechanism; 401. clamping plate; 402. anti-skid sticker; 403. guide rod; 404. first spring; 405. connecting plate; 406. handle; 5. disassembly and assembly mechanism; 501. fixing block; 502. mounting block; 503. plug-in block; 504. sliding block; 505. clamping rod; 506. pull rod; 507. second spring; 508. pull ring; 6. heat dissipation mechanism; 601. breathable baffle; 602. third spring; 603. heat dissipation port; 604. mounting sleeve; 605. bracket; 606. cooling fan; 607. dust net; 7. support pad; 8. mounting part; 9. wire trough. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0022] Combination Figure 1-Figure 5An anti-interference electromagnetic metering instrument includes an electromagnetic metering instrument 1, a protective shell 2 and a top cover 3. The protective shell 2 and the top cover 3 are both made of nickel-iron alloy. A panel is fixedly arranged on the bottom end surface of the top cover 3. The protective shell 2 is provided with an embedding groove adapted to the panel. A supporting pad 7 is fixedly arranged on the bottom end surface of the protective shell 2. A mounting part 8 is fixedly arranged on the supporting pad 7. Wire grooves 9 are arranged at both ends of the protective shell 2. A fixing mechanism 4 is arranged in the protective shell 2. A disassembly mechanism 5 and a heat dissipation mechanism 6 are arranged on the protective shell 2 and the top cover 3.

[0023] See also Figure 2 , it is further obtained that the fixing mechanism 4 includes a clamping plate 401, an anti-slip sticker 402 is adhered to the clamping plate 401, a guide rod 403 is fixedly provided at one end of the clamping plate 401, a first spring 404 is sleeved on the guide rod 403, a connecting plate 405 is provided at one end of the guide rod 403, and a handle 406 is fixedly provided at one end of the connecting plate 405; one end of the guide rod 403 slides through the inner wall of the protective shell 2 and is fixedly connected to the connecting plate 405, one end of the first spring 404 is fixedly connected to the clamping plate 401, and the other end of the first spring 404 is fixedly connected to the inner wall of the protective shell 2.

[0024] Specifically, since both the protective shell 2 and the top cover 3 are made of nickel-iron alloy, the influence of electromagnetic interference on the electromagnetic metering instrument 1 can be effectively reduced, and the anti-interference effect can be achieved. At the same time, the protective shell 2 and the top cover 3 form a closed environment to achieve the purpose of protecting the electromagnetic metering instrument 1, and the splint 401 can flexibly clamp and fix the electromagnetic metering instrument 1. The anti-slip sticker 402 arranged on the splint 401 can prevent the electromagnetic metering instrument 1 from slipping, thereby improving the fixing effect.

[0025] See also Figure 5 , it is further obtained that the disassembly and assembly mechanism 5 includes a fixed block 501 and a mounting block 502, the bottom end surface of the mounting block 502 is fixedly provided with an insert block 503, a storage cavity is opened in the fixed block 501, and a sliding block 504 is slidably connected to the inner wall of the storage cavity, one end of the sliding block 504 is fixedly provided with a clamping rod 505, and the other end of the sliding block 504 is fixedly provided with a pull rod 506, a second spring 507 is sleeved on the pull rod 506, and a pull ring 508 is provided at one end of the pull rod 506; the fixed block 501 is fixedly provided with an anti- At both ends of the protective shell 2, the mounting blocks 502 are fixedly arranged at both ends of the top cover 3, a slot adapted to the plug-in block 503 is opened on the fixed block 501, a through hole is opened on the plug-in block 503, a card slot is opened on the inner wall of the slot, the card rod 505 slides through the storage cavity, and passes through the through hole to engage with the card slot, one end of the second spring 507 is fixedly connected to the sliding block 504, the other end of the second spring 507 is fixedly connected to the inner wall of the storage cavity, and one end of the pull rod 506 slides through the inner wall of the storage cavity and is fixedly connected to the pull ring 508.

[0026] Specifically, the electromagnetic metering instrument 1 can be maintained and repaired by pulling the pull ring 508 to open the top cover 3, and the electromagnetic metering instrument 1 can be disassembled by pulling the handle 406 to release the clamping plate 401 from fixing the electromagnetic metering instrument 1. The operation is simple and convenient, which greatly improves the practicality of the electromagnetic metering instrument 1.

[0027] See also Figure 3 and Figure 4 It is further obtained that the heat dissipation mechanism 6 includes a breathable baffle 601 and a mounting sleeve 604, a plurality of third springs 602 are fixedly arranged on the bottom end surface of the breathable baffle 601, a bracket 605 is fixedly arranged on the inner wall of the mounting sleeve 604, and a heat dissipation fan 606 is fixedly arranged on the bracket 605; a mounting groove is provided on the top cover 3, the mounting sleeve 604 is fixedly arranged in the mounting groove, a dustproof net 607 is provided above the bracket 605, the dustproof net 607 is fixedly connected to the inner wall of the mounting sleeve 604, the bottom end surfaces of the plurality of third springs 602 are all fixedly connected to the inner wall of the protective shell 2, and a heat dissipation port 603 is provided on the bottom end surface of the protective shell 2.

[0028] Specifically, by providing the heat dissipation fan 606, the air-permeable baffle 601 and the heat dissipation port 603, the electromagnetic metering instrument 1 can be efficiently dissipated to ensure the normal operation of the electromagnetic metering instrument 1 and to increase the service life of the electromagnetic metering instrument 1. Meanwhile, by providing the third spring 602 at the bottom of the air-permeable baffle 601, the electromagnetic metering instrument 1 can be shock-absorbing and buffered during operation to prevent the electromagnetic metering instrument 1 from being damaged by collisions in the protective shell 2.

[0029] In actual operation, the protective shell 2 is fixedly set at the working position of the electromagnetic metering instrument 1 by using the mounting member 8, and then the two handles 406 are pulled outward respectively, so that the two guide rods 403 drive the two clamping plates 401 to expand, and the electromagnetic metering instrument 1 is placed between the two clamping plates 401 and placed on the breathable partition 601 in the protective shell 2, and then the handle 406 is released to reset the clamping plate 401 under the rebound action of the first spring 404, so that the two clamping plates 401 can flexibly clamp and fix the electromagnetic metering instrument 1, and the anti-slip stickers 402 arranged on the clamping plates 401 can prevent the electromagnetic metering instrument 1 from slipping, thereby improving the fixing effect;

[0030] The connecting wire harness of the electromagnetic metering instrument 1 is connected to the external device through the wire groove 9, so that the electromagnetic metering instrument 1 can work normally, and then the two pull rings 508 are pulled outward respectively, and then the top cover 3 is covered. When the top cover 3 and the protective shell 2 are closed, the plug block 503 on the mounting block 502 can be inserted into the slot of the fixed block 501. After the top cover 3 and the protective shell 2 are completely closed, the pull ring 508 is released, and the clamping rod 505 is reset under the rebound action of the second spring 507. The clamping rod 505 passes through the through hole on the plug block 503 and is clamped with the clamping slot. The protective shell 2 and the top cover 3 form a closed environment, so as to achieve the purpose of protecting the electromagnetic metering instrument 1. At the same time, because the protective shell 2 and the top cover 3 are both made of nickel-iron alloy, the influence of electromagnetic interference on the electromagnetic metering instrument 1 can be effectively reduced, and the anti-interference effect can be achieved;

[0031] When the electromagnetic metering instrument 1 is working, the cooling fan 606 on the top cover 3 starts to work, and cooperates with the setting of the air-permeable baffle 601 and the heat dissipation port 603 to achieve efficient heat dissipation of the electromagnetic metering instrument 1, ensure the normal operation of the electromagnetic metering instrument 1, and improve the service life of the electromagnetic metering instrument 1. At the same time, the third spring 602 set at the bottom of the air-permeable baffle 601 can be used to dampen the electromagnetic metering instrument 1 during operation, so as to avoid the electromagnetic metering instrument 1 from being damaged by collision in the protective shell 2, and the dustproof net 607 can prevent external dust from entering the protective shell 2;

[0032] When the electromagnetic metering instrument 1 needs to be maintained and repaired, the top cover 3 can be opened by pulling the pull ring 508 to maintain and repair the electromagnetic metering instrument 1. When the electromagnetic metering instrument 1 needs to be disassembled, the handle 406 is pulled to release the clamping plate 401 from fixing the electromagnetic metering instrument 1.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-interference electromagnetic metering instrument, comprising an electromagnetic metering instrument (1), a protective shell (2) and a top cover (3), characterized in that: A fixing mechanism (4) is provided in the protective shell (2), and a disassembly mechanism (5) and a heat dissipation mechanism (6) are provided on the protective shell (2) and the top cover (3); The fixing mechanism (4) comprises a clamping plate (401), an anti-slip sticker (402) is bonded to the clamping plate (401), a guide rod (403) is fixedly provided at one end of the clamping plate (401), a first spring (404) is sleeved on the guide rod (403), a connecting plate (405) is provided at one end of the guide rod (403), and a handle (406) is fixedly provided at one end of the connecting plate (405); The disassembly and assembly mechanism (5) comprises a fixed block (501) and a mounting block (502); an insert block (503) is fixedly arranged on the bottom end surface of the mounting block (502); a storage cavity is provided in the fixed block (501); a sliding block (504) is slidably connected to the inner wall of the storage cavity; a clamping rod (505) is fixedly arranged on one end of the sliding block (504); a pull rod (506) is fixedly arranged on the other end of the sliding block (504); a second spring (507) is sleeved on the pull rod (506); and a pull ring (508) is arranged on one end of the pull rod (506); The heat dissipation mechanism (6) comprises a breathable baffle (601) and a mounting sleeve (604); a plurality of third springs (602) are fixedly arranged on the bottom end surface of the breathable baffle (601); a bracket (605) is fixedly arranged on the inner wall of the mounting sleeve (604); and a heat dissipation fan (606) is fixedly arranged on the bracket (605).

2. The anti-interference electromagnetic measuring instrument according to claim 1, characterized in that: One end of the guide rod (403) slides through the inner wall of the protective shell (2) and is fixedly connected to the connecting plate (405); one end of the first spring (404) is fixedly connected to the clamping plate (401); and the other end of the first spring (404) is fixedly connected to the inner wall of the protective shell (2).

3. The anti-interference electromagnetic measuring instrument according to claim 1, characterized in that: The fixing block (501) is fixedly arranged at both ends of the protective shell (2), the mounting block (502) is fixedly arranged at both ends of the top cover (3), the fixing block (501) is provided with a slot adapted to the plug-in block (503), the plug-in block (503) is provided with a through hole, the inner wall of the slot is provided with a card slot, and the card rod (505) slides through the storage cavity and passes through the through hole to be card-engaged with the card slot.

4. The anti-interference electromagnetic measuring instrument according to claim 1, characterized in that: One end of the second spring (507) is fixedly connected to the sliding block (504), and the other end of the second spring (507) is fixedly connected to the inner wall of the storage cavity. One end of the pull rod (506) slides through the inner wall of the storage cavity and is fixedly connected to the pull ring (508).

5. The anti-interference electromagnetic measuring instrument according to claim 1, characterized in that: The top cover (3) is provided with a mounting groove, the mounting sleeve (604) is fixedly arranged in the mounting groove, a dustproof net (607) is arranged above the bracket (605), the dustproof net (607) is fixedly connected to the inner wall of the mounting sleeve (604), the bottom end surfaces of the plurality of third springs (602) are fixedly connected to the inner wall of the protective shell (2), and the bottom end surface of the protective shell (2) is provided with a heat dissipation port (603).

6. The anti-interference electromagnetic measuring instrument according to claim 1, characterized in that: The protective shell (2) and the top cover (3) are both made of nickel-iron alloy, the bottom end surface of the top cover (3) is fixedly provided with an insert plate, the protective shell (2) is provided with an insert groove adapted to the insert plate, the bottom end surface of the protective shell (2) is fixedly provided with a support pad (7), the support pad (7) is fixedly provided with a mounting member (8), and both ends of the protective shell (2) are provided with wire grooves (9).

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