CN219977474U - Measuring, transmitting and protecting integrated ultrasonic flowmeter - Google Patents

Abstract

The utility model belongs to the technical field of flow ultrasonic detection devices, and discloses a measuring, transmitting and protecting integrated ultrasonic flowmeter. Comprises a measuring body and an upper cover; the measuring body comprises a measuring body shell, a movement assembly, an ultrasonic sensor and a battery mounting hole are formed in the measuring body, a battery is arranged in the battery mounting hole, and the movement assembly is connected with the ultrasonic sensor and the battery through wires respectively; the upper cover corresponds to the core assembly, the ultrasonic sensor and the battery mounting hole and is provided with holes corresponding to the positions of the battery mounting hole, and the upper cover is arranged at the top of the measuring body. The ultrasonic flowmeter has firm structure, hydrolysis resistance and good installation and use sealing effects; is easier for mass production and reduces the cost.

Description

Measuring, transmitting and protecting integrated ultrasonic flowmeter

Technical Field

The utility model belongs to the technical field of flow ultrasonic detection devices, and relates to a measuring, transmitting and protecting integrated ultrasonic flowmeter.

Background

The ultrasonic flow measuring technology is a new water meter which analyzes and processes the flow velocity of the water to further integrate the flow of the water. The ultrasonic flowmeter used in the market at present adopts a structure that a measuring body and a shell are separated; the shell of the similar product is usually formed by injection molding by dividing plastic into a plurality of parts, and then is assembled into a finished product, and the protective effect is poor and the display is easy to damage due to leakage in long-term use.

Disclosure of Invention

The utility model aims to overcome the defects in the background technology and provide the measuring, transmitting and protecting integrated ultrasonic flowmeter which has the advantages of firm structure, hydrolysis resistance and good sealing effect in installation and use; is easier for mass production and reduces the cost.

The technical scheme adopted for solving the technical problems is as follows: a measuring, transmitting and protecting integrated ultrasonic flowmeter comprises a measuring body and an upper cover; the measuring body comprises a measuring body shell, a movement assembly, an ultrasonic sensor and a battery mounting hole are formed in the measuring body, a battery is arranged in the battery mounting hole, and the movement assembly is connected with the ultrasonic sensor and the battery through wires respectively; the upper cover corresponds to the core assembly, the ultrasonic sensor and the battery mounting hole and is provided with holes corresponding to the positions of the battery mounting hole, and the upper cover is arranged at the top of the measuring body.

The measuring body center sets up the flange, and core assembly, ultrasonic sensor, battery mounting hole set up in the circumference die cavity between flange and the measuring body shell, and set up the core assembly setting element that is used for fixed core assembly on the measuring body, the core assembly setting element corresponds the core assembly shape setting can, the core assembly setting element is preferably fixed a position installation core assembly with four setpoint.

The ultrasonic sensor placing position used for placing the ultrasonic sensor is arranged on the measuring body, the jack-prop is arranged on one side, adjacent to the flange, of the ultrasonic sensor placing position, one end of the jack-prop is connected with one end of the ultrasonic sensor, the other end of the jack-prop is connected with the baffle, and the baffle is inserted into the baffle clamping notch to be connected with the measuring body and is limited and fixed in the measuring body.

A plurality of positioning grooves are formed in the periphery of one end of the ultrasonic sensor, a plurality of bosses are arranged on the end face of one end of the jacking column, the bosses correspond to the positioning grooves in position and in number, and the ultrasonic sensor is connected with the jacking column through the positioning grooves and the bosses. Still set up the jack-prop spacing piece on the jack-prop outer wall, ultrasonic sensor places and sets up the spacing recess that is used for the jack-prop spacing on the position, and jack-prop and ultrasonic sensor place the position and pass through jack-prop spacing piece and spacing recess connection. The jack-prop limiting piece is used for limiting the installation direction of the ultrasonic sensor in a matched mode with the limiting groove.

The tail end of the jacking column is limited by a plug, and the plug is in buckling connection with the shell of the measuring body. The plug is provided with a plug notch connected with the upper cover, and the upper cover is provided with a buckle corresponding to the plug position; the measuring body is connected with the upper cover through the buckle and the plug notch.

A plurality of wiring limit rods for wiring cables of the battery and the ultrasonic sensor are arranged on the periphery of the top of the measuring body.

The battery is not limited to specific models, and can be used for realizing the working function of the battery in the prior art. The number of the battery mounting holes is not limited, and preferably 2 to 5 are provided. The number of the batteries is set according to the specific working condition requirement.

The number of the ultrasonic sensors is not limited, two ultrasonic sensor placing positions, a jack post and plugs are preferably arranged, and the ultrasonic sensor placing positions, the jack post and the plugs are correspondingly arranged according to the number of the ultrasonic sensors.

The outer peripheral side wall of the measuring body is provided with a semi-closed hole which is used as an external antenna outlet and used for external antenna outlet.

The movement assembly comprises a movement lower shell and a movement upper cover; the machine core upper cover is arranged at the top of the machine core lower shell, an embedded copper sleeve is arranged in the machine core lower shell, a switching circuit board is arranged at the top of the copper sleeve, RTU circuit boards and flowmeter boards are respectively arranged at two sides of the copper sleeve, a sim card board is arranged on the switching circuit board, a sim card board protection lower shell and a sim card board protection upper shell are arranged on the periphery of the sim card board, and the sim card board is positioned in the sim card board protection lower shell and the sim card board protection upper shell; the transfer circuit board is connected with the sim card board protective lower shell in a buckling mode, a mounting hole is formed in the transfer circuit board, and a plurality of clamping pins are arranged at the bottom of the sim card board protective lower shell; the switching circuit board is connected with the sim card board protective lower shell through the clamping pins and the mounting holes.

An O-shaped ring is arranged between the sim card board protective lower shell and the sim card board protective upper shell, a step is arranged on the inner periphery of the top of the sim card board protective lower shell and used for storing the O-shaped ring, and when the sim card board protective upper shell and the sim card board protective lower shell are closed, a closed space is formed to protect the sim card board.

Through holes for threading are arranged on two sides of the lower shell of the movement. The lower shell of the movement is internally provided with a built-in antenna placing position for placing a built-in antenna.

The embedded copper sleeve is used for fixing the switching circuit board and simultaneously bearing torsion generated when the external 485 interface is connected, so that the switching circuit board is protected from being damaged.

Further, a chamfer is arranged on the inner wall of the inner periphery of the measuring body and is used for inlet diversion. The inner Zhou Nabi of the measuring body adopts a planar horn mouth structural design to optimize the flow passage. The inner wall of the circumferential cavity of the measuring body is also provided with a convex structure for protecting the ultrasonic sensor. Flat openings are also arranged at the upper end and the lower end of the inner wall of the measuring body for inlet diversion.

Furthermore, a 485 external interface is further arranged on the upper cover. Can be used for connecting with an external liquid crystal display.

Furthermore, the measuring body is formed by integrally injection molding nylon and glass fiber materials. The flange end face of the flange arranged in the center of the measuring body is provided with a plurality of groined-shaped openings, the strength is enhanced by adopting the groined-shaped opening structure, and meanwhile, the shrinkage rubber is reduced.

Furthermore, an O-shaped ring sealing table is arranged in the ultrasonic sensor placing position, and the O-shaped ring is used for sealing to prevent liquid such as water from leaking.

Further, the integrated ultrasonic flowmeter is further provided with a liquid crystal display, and the liquid crystal display is detachably connected with the integrated ultrasonic flowmeter through a 485 external interface.

The measuring body is also provided with a plurality of bolt mounting openings for mounting other parts. The measuring body is sealed by a plug, so that the ultrasonic sensor is protected from being damaged.

In addition, the transfer circuit board, the sim card board, the RTU circuit board and the flowmeter board are not particularly limited, are available in the market or the prior art, and can be selected according to specific working conditions. The utility model mainly requests protection of structural relations. Therefore, the above-mentioned materials are not particularly limited, and the working functions thereof can be realized.

Compared with the prior art, the utility model has the following beneficial effects:

compared with the traditional card type ultrasonic flowmeter sold in the market at present, the integrated ultrasonic flowmeter for measuring, transmitting and protecting provided by the utility model has stronger structure. Because the traditional structure measurement part and the protection part are separated, a buckle structure design is adopted between the traditional structure measurement part and the protection part, and a liquid crystal display is hung externally, so that the product is easy to damage when being used in the field. The measuring body and the protection are integrally injection molded by the measuring, transmitting and protecting integrated ultrasonic flowmeter provided by the utility model, nylon and glass fiber materials are selected, the outer shell of the measuring body and the protection are firmer, the liquid crystal display part is separated, the liquid crystal display part can be connected with the ultrasonic flowmeter through a 485 external interface, the liquid crystal display part is an external fitting, and the measuring, transmitting and protecting integrated ultrasonic flowmeter provided by the utility model is not used as an integral structure of the measuring, transmitting and protecting integrated ultrasonic flowmeter provided by the utility model is also internally provided with an antenna; this protects the fragile structure in all directions. Meanwhile, the material cost and the installation cost are more advantageous due to the adoption of integral injection molding.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is an exploded view of a measuring, transmitting and protecting integrated ultrasonic flowmeter according to the present utility model.

Fig. 2 is an axial view of a measuring, transmitting and protecting integrated ultrasonic flowmeter according to the present utility model.

Fig. 3 is an exploded view of the movement assembly.

Fig. 4 is a cross-sectional view of the movement assembly.

Fig. 5 is a schematic structural view of the sim card under protective enclosure.

Fig. 6 is a schematic structural view of the measuring body.

Fig. 7 is a cross-sectional view of the measurement body.

Fig. 8 is a schematic structural view of an ultrasonic sensor.

Fig. 9 is a schematic structural view of the top column.

Fig. 10 is a schematic structural view of the plug.

Fig. 11 is a schematic structural view of the upper cover.

The device comprises a measuring body 1, an upper cover 3, a movement assembly 4, a movement lower shell, a movement upper cover 5, a switching circuit board 6, a 7.sim card board protective lower shell, an 8.sim card board protective upper shell, a 9.O ring, a 10.sim card board, an 11.RTU circuit board 12, a flowmeter board 13, an internal antenna 14, an external antenna wire outlet 15, a battery 16, an ultrasonic sensor 17, a top column 18, a baffle plate 19, a plug 20, a buckle 21, a bolt mounting hole 22, a wire limiting rod 23, a copper insert hole 24, a glue filling cover 25, a clamping pin 26, a battery mounting hole 27, a baffle plate clamping notch 28, a movement assembly positioning piece 29, a flange inner wall 30, a flat port 31, a flange 32, an O-shaped sealing table 33, a top column limiting piece 34, a positioning groove 35, a boss 36, a limiting groove 37, a plug notch 38.485 and an external interface.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to the following examples. The components in the embodiments are not specifically limited, and may be any components that can realize their functions.

The integrated ultrasonic flowmeter comprises a measuring body 1 and an upper cover 2; the measuring body 1 comprises a measuring body shell, a movement assembly 3, an ultrasonic sensor 16 and a battery mounting hole are arranged in the measuring body 1, a battery 15 is arranged in the battery mounting hole, and the movement assembly 3 is respectively connected with the ultrasonic sensor 16 and the battery 15 through wires; the upper cover 2 corresponds to the core assembly 3, the ultrasonic sensor 16 and the battery mounting hole, and the upper cover 2 is arranged at the top of the measuring body 1.

The measuring body 1 is provided with a flange 31 at the center, the core assembly 3, the ultrasonic sensor 16 and the battery mounting hole are arranged in a circumferential cavity between the flange 31 and the measuring body shell, the measuring body 1 is provided with a core assembly positioning piece 28 for fixing the core assembly 3, the core assembly positioning piece 28 is arranged corresponding to the shape of the core assembly 3, and the core assembly positioning piece 28 is preferably provided with four positioning points for positioning and mounting the core assembly 3.

The ultrasonic sensor placing position for placing the ultrasonic sensor 16 is arranged on the measuring body 1, the jack-prop 17 is arranged on one side, adjacent to the flange 31, of the ultrasonic sensor placing position, one end of the jack-prop 17 is connected with one end of the ultrasonic sensor 16, the other end of the jack-prop 17 is connected with the baffle 18, and the baffle 18 is inserted into the baffle clamping notch 27 to be connected with the measuring body 1 and limit-fix the jack-prop 17 in the measuring body 1.

The periphery of one end of the ultrasonic sensor 16 is provided with a plurality of positioning grooves 34, the end face of one end of the jacking column 17 is provided with a plurality of bosses 35, the bosses 35 correspond to the positioning grooves 34 in position and number, and the ultrasonic sensor 16 is connected with the jacking column 17 through the positioning grooves 34 and the bosses 35. Still set up jack-prop spacing piece 33 on the jack-prop 17 outer wall, set up the spacing recess 36 that is used for jack-prop 17 spacing on the ultrasonic sensor position of placing, jack-prop 17 and ultrasonic sensor place the position and pass through jack-prop spacing piece 33 and spacing recess 36 connection. The post stopper 33 and the stopper groove 36 cooperate to restrict the mounting direction of the ultrasonic sensor 16.

The tail end of the top column 17 is limited by a plug 19, and the plug 19 is in buckling connection with the shell of the measuring body. The plug 19 is provided with a plug notch 37 connected with the upper cover, and the upper cover 2 is provided with a buckle 20 corresponding to the position of the plug 19; the measuring body 1 is connected with the upper cover 2 through the buckle 20 and the plug notch 37.

A plurality of wiring limiting rods 22 for wiring cables of the battery 15 and the ultrasonic sensor 16 are arranged on the periphery of the top of the measuring body 1.

The battery 15 is not limited to a specific model, and is a prior art, and can realize its working function. The number of the battery mounting holes is not limited, and preferably 2 to 5 are provided. The number of the batteries 15 is set according to the specific working condition requirement.

The number of the ultrasonic sensors 16 is not limited, and two ultrasonic sensor placement positions, the top column 17 and the plugs 19 are preferably provided, and the number of the ultrasonic sensors 16 is set correspondingly.

The outer peripheral side wall of the measuring body 1 is provided with a semi-closed hole serving as an external antenna outlet 14 for external antenna outlet.

The movement assembly 3 comprises a movement lower shell 4 and a movement upper cover 5; the upper core cover 5 is arranged at the top of the lower core shell 4, an embedded copper bush is arranged in the lower core shell 4, a switching circuit board 6 is arranged at the top of the copper bush, an RTU circuit board 11 and a flowmeter board 12 are respectively arranged at two sides of the copper bush, a sim card 10 is arranged on the switching circuit board 6, a sim card protective lower shell 7 and a sim card protective upper shell 8 are arranged at the periphery of the sim card 10, and the sim card 10 is positioned in the sim card protective lower shell 7 and the sim card protective upper shell 8; the transfer circuit board 6 is connected with the sim card board protective lower shell 7 in a buckling mode, a mounting hole is formed in the transfer circuit board 6, and a plurality of clamping pins 25 are arranged at the bottom of the sim card board protective lower shell 7; the transfer circuit board 6 is connected with the sim card protective lower shell 7 through the clamping pins 25 and the mounting holes.

An O-shaped ring 9 is arranged between the sim card board protective lower shell 7 and the sim card board protective upper shell 8, a step is arranged on the inner periphery of the top of the sim card board protective lower shell 7 and used for storing the O-shaped ring 9, and when the sim card board protective upper shell 8 and the sim card board protective lower shell 7 are closed, a closed space is formed to protect the sim card board 10.

Through holes for threading are arranged on two sides of the lower shell 4 of the movement. A built-in antenna placing position for placing the built-in antenna 13 is arranged in the core lower shell 4.

The embedded copper sleeve is used for fixing the switching circuit board 6 and simultaneously bearing torsion generated when the external connector 485 is connected with the external interface 38, so that the switching circuit board 6 is protected from being damaged.

The inner wall of the inner circumference of the measuring body 1 is provided with a chamfer for inlet diversion. The inner Zhou Nabi of the measuring body 1 adopts a planar horn mouth structural design to optimize a flow passage. The inner wall of the circumferential cavity of the measuring body 1 is also provided with a protruding structure for protecting the ultrasonic sensor 16. Flat ports 30 are also arranged at the upper end and the lower end of the inner peripheral inner wall of the measuring body 1 for inlet diversion.

485 external interface 38 is also arranged on the upper cover 2. Can be used for connecting with an external liquid crystal display.

The measuring body 1 is formed by integrally injection molding nylon and glass fiber materials. The flange 31 arranged in the center of the measuring body 1 is provided with a plurality of groined openings on the flange end surface, and the strength is enhanced by adopting the groined opening structure, and meanwhile, the shrinkage glue is reduced.

An O-ring sealing table 32 is also arranged in the ultrasonic sensor placing position, and the O-ring 9 is used for sealing to prevent liquid such as water from leaking.

The integrated ultrasonic flowmeter is also provided with a liquid crystal display, and the liquid crystal display is detachably connected with the integrated ultrasonic flowmeter through a 485 external interface 38.

The measuring body 1 is also provided with a plurality of bolt mounting openings 21 for mounting other parts. The measuring body 1 is sealed by a plug 19, and the ultrasonic sensor 16 is protected from being damaged.

In addition, the transfer circuit board 6, sim card 10, RTU circuit board 11 and flowmeter board 12 are not particularly limited, and are available in the market or the prior art, and can be selected according to specific working conditions. The utility model mainly requests protection of structural relations. Therefore, the above-mentioned materials are not particularly limited, and the working functions thereof can be realized.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Example 1

The utility model provides a measure, transmission, protection integral type ultrasonic flowmeter's core assembly 3, contains under the core casing 4, core upper cover 5, switching circuit board 6, sim cardboard protection under the casing 7, sim cardboard protection casing 8, o circle 9, sim cardboard 10, RTU circuit board 11, flowmeter board 12.

The lower shell 4 of the movement is made of ABS material, and threading notches are formed in the lower shell in the left and right sides; the built-in antenna 13 is placed in the arc groove of the threading notch, and the M3 copper insert is further arranged on the core lower shell 4 and used for fixing the switching circuit board 6.

After the built-in antenna 13 is welded with the RTU circuit board 11, the built-in antenna 13 is adhered to the inner side surface of the lower shell 4 of the movement.

After the external antenna 14 is welded with the RTU circuit board, a signal wire of the external antenna 14 is led out through a side opening of the lower shell 4 of the movement and is sealed; connection to external antennas is enabled when needed.

The sim card protective lower casing 7 is inserted into the transfer circuit board 6 through three barb card pins 25 for fixation.

The inner periphery of the top of the sim card protective lower shell 7 is provided with a step for storing an O-shaped ring 9.

The sim card protective upper shell 8 and the sim card protective lower shell 7 are buckled, the O-shaped ring 9 is compressed and deformed to form a closed area, and the sim card 10 is protected to be normally used in a humid environment.

After the flowmeter plate 12 is connected with the upstream and downstream ultrasonic sensors 16 (two ultrasonic sensors 16 are arranged) through cable welding, cable signal wires are led out through wire outlet notches on the left side and the right side of the lower shell 4 of the movement.

After the transfer circuit board 6, the RTU circuit board 11, the sim card board 10 and the flowmeter board 12 are welded, the transfer circuit board is fixed on the lower shell 4 of the movement through M3 screws.

After the above accessories are installed in the machine core assembly 3, the lower shell 4 of the machine core is filled with glue, the glue filling cover 24 is controlled to be 2 mm-3 mm on the bottom surface (the notch horizontal surface position formed by the clamping feet at the bottom) of the lower shell 7 of the sim clamping board protection, and then the upper cover 5 of the machine core is pressed.

The overall assembly of the transmission and protection integrated ultrasonic flowmeter is further described below with reference to fig. 1-3. The present utility model is not limited to the following examples.

The assembled movement assembly 3 is placed into the measuring body 1, and four positioning columns are arranged on the measuring body 1 to limit the movement assembly 3.

The ultrasonic sensor 16 is sleeved with an O-shaped ring 9. After the ultrasonic sensor 16 and the jack post 17 are matched through positioning points (positioning grooves and bosses), the ultrasonic sensor is inserted into the measuring body 1 to be placed. After the ultrasonic sensor 16 is installed, the ultrasonic sensor is matched with the convex protection appearance structure inside the measuring body 1.

After the top column 17 is installed, the top column is flush with the outer side surface of the ultrasonic sensor placing position in the measuring body, then a baffle 18 is inserted into a baffle clamping notch 27, and the ultrasonic sensor 16 is fixed in the ultrasonic sensor placing position of the measuring body 1.

The number of the batteries 15 is inserted into the battery mounting holes in the measuring body 1 according to the working condition requirements.

When two ultrasonic sensors 16 are provided, plugs 19 are inserted into the measuring body 1 from the left and right sides, and the ultrasonic sensor placement positions are closed to prevent the ultrasonic sensors 16 from being damaged externally.

After the above, the upper cover 2 is provided with a convex buckle on the upper cover 2, and the convex buckle is embedded into the plug notch 37 to lock the plug 19. The upper cover is provided with 485 external interface wiring holes, and can be externally connected with a liquid crystal display module (not the structure of the utility model, and no special limitation is made).

While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims (7)

1. The integrated ultrasonic flowmeter for measuring, transmitting and protecting is characterized by comprising a measuring body (1) and an upper cover (2); a movement assembly (3), an ultrasonic sensor (16) and a battery mounting hole are arranged in the measuring body (1), a battery (15) is arranged in the battery mounting hole, and the movement assembly (3) is respectively connected with the ultrasonic sensor (16) and the battery (15) through wires; the upper cover (2) corresponds to the movement assembly (3), the ultrasonic sensor (16) and the battery mounting hole, and the upper cover (2) is arranged at the top of the measuring body (1).

2. The integrated ultrasonic flowmeter of claim 1, wherein the measuring body (1) is provided with a flange (31) at the center, the movement assembly (3), the ultrasonic sensor (16) and the battery mounting hole are arranged in a circumferential cavity between the flange (31) and the measuring body casing, and the measuring body (1) is provided with a movement assembly positioning member (28) for fixing the movement assembly (3).

3. The integrated ultrasonic flowmeter for measurement, transmission and protection according to claim 2, wherein an ultrasonic sensor placement position for placing an ultrasonic sensor (16) is arranged on the measuring body (1), a jack post (17) is arranged on one side of the ultrasonic sensor placement position adjacent to the flange (31), one end of the jack post (17) is connected with one end of the ultrasonic sensor (16), the other end of the jack post (17) is connected with the baffle plate (18), the baffle plate (18) is inserted into the baffle plate clamping notch (27) to be connected with the measuring body (1) and limit and fix the jack post (17) in the measuring body (1); the tail end of the jacking column (17) is limited by a plug (19), and the plug (19) is in buckling connection with the shell of the measuring body.

4. The integrated ultrasonic flowmeter for measurement, transmission and protection as claimed in claim 3, wherein a plurality of positioning grooves (34) are formed in the periphery of one end of the ultrasonic sensor (16), a plurality of bosses (35) are formed in the end face of one end of the jacking column (17), the bosses (35) correspond to the positioning grooves (34) in position and in number, and the ultrasonic sensor (16) is connected with the jacking column (17) through the positioning grooves (34) and the bosses (35); still set up jack-prop spacing piece (33) on jack-prop (17) outer wall, set up spacing recess (36) that are used for jack-prop (17) spacing on the ultrasonic sensor position of placing, jack-prop (17) and ultrasonic sensor place the position and pass through jack-prop spacing piece (33) and spacing recess (36) and connect.

5. The integrated ultrasonic flowmeter for measurement, transmission and protection according to claim 4, wherein the plug (19) is provided with a plug notch (37) connected with the upper cover, and the upper cover (2) is provided with a buckle (20) corresponding to the plug (19); the measuring body (1) is connected with the upper cover (2) through the buckle (20) and the plug notch (37).

6. The integrated ultrasonic measuring, transmitting and protecting flowmeter of claim 5, wherein the movement assembly (3) comprises a lower movement housing (4) and an upper movement cover (5); the machine core upper cover (5) is arranged at the top of the machine core lower shell (4), an embedded copper bush is arranged in the machine core lower shell (4), a transfer circuit board (6) is arranged at the top of the copper bush, RTU circuit boards (11) and flowmeter boards (12) are respectively arranged at two sides of the copper bush, a sim card board (10) is arranged on the transfer circuit board (6), a sim card board protective lower shell (7) and a sim card board protective upper shell (8) are arranged at the periphery of the sim card board (10), and the sim card board (10) is positioned in the sim card board protective lower shell (7) and the sim card board protective upper shell (8); the transfer circuit board (6) is connected with the sim card board protective lower shell (7) in a buckling mode, mounting holes are formed in the transfer circuit board (6), and a plurality of clamping pins (25) are arranged at the bottom of the sim card board protective lower shell (7); the switching circuit board (6) is connected with the sim card board protective lower shell (7) through the card pin (25) and the mounting hole.

7. The integrated ultrasonic measuring, transmitting and protecting flowmeter of claim 6, wherein an O-ring (9) is provided between the sim card protective lower casing (7) and the sim card protective upper casing (8).