Ultrasonic flowmeter module

Abstract

The utility model discloses an ultrasonic flowmeter module which comprises a module body and a cover plate, the module body is in a cuboid shape, the left end and the right end of the module body are respectively provided with two transducer installation areas, the middle of the module body is provided with a control module circuit board installation area, and the cover plate is arranged on the upper surface of the module body. Each transducer mounting area comprises a cylindrical barrel, a closed blind hole is formed in the bottom of the barrel, the upper part of the barrel is closed through a cover plate, a through hole I is formed in the position, corresponding to the transducer, of the cover plate, a plurality of screw holes I are formed in the periphery of the barrel, and the control module circuit board mounting area comprises a cuboid frame body; a cavity is arranged between the frame body and the cover plate, the cavity is communicated with the barrel bodies on the two sides respectively to form an inverted-concave-shaped communicated cavity, the two ends of the control module circuit board extend into the barrel bodies respectively, a second through hole is formed in the upper surface of the cover plate at the corresponding position of the frame body, and a cylindrical terminal groove is formed in an opening of the second through hole. The terminal grooves protrude out of the surface of the cover plate. According to the utility model, the energy converter is prevented from being directly contacted with gas or liquid in the pipe section through the design of the blind hole, and the waterproof performance of the module is improved.

Description

TECHNICAL FIELD

[0001] The utility model discloses an ultrasonic flowmeter module, relates to flow measurement technical field, is used for the flow of fluid carries out non -contact type measurement. BACKGROUND

[0002] The ultrasonic flowmeter is a kind of instrument based on the principle of ultrasonic wave propagation speed difference to measure fluid flow.Reflective ultrasonic flowmeter is a kind of ultrasonic flowmeter, it utilizes the propagation characteristic of ultrasonic wave in fluid, calculates the flow rate and flow of fluid by measuring the time of ultrasonic wave signal reflection in fluid.

[0003] Traditional module design often has problems such as line exposure, insufficient stability and the like.For example, the ultrasonic flowmeter disclosed in CN215865353U is connected between the transducer and the flowmeter body through traditional external circuit, which will cause stability problems for use in humid environment.

[0004] Traditional reflective ultrasonic flowmeter, first, as shown in the pipe section on the two mounting holes of transducer, then fixed through cover plate and the like, then connect external control module circuit board through wiring, then detect again, this way installs complex and tedious, and the cost is higher. Figure 1 Utility model content

[0005] In order to overcome the above-mentioned insufficient, the utility model discloses an ultrasonic flowmeter module for reflective ultrasonic flowmeter.

[0006] The technical scheme of the utility model is as follows:

[0007] An ultrasonic flowmeter module, including module main part and cover plate, module main part is rectangular parallelepiped, and the left and right ends of module main part are two transducer mounting areas respectively, and symmetrically set, and the middle is control module circuit board installation area, cover plate is set on the upper surface of module main part;

[0008] Each transducer mounting area includes a cylindrical barrel, for installing transducer, the bottom of barrel is closed blind hole, and the upper part is closed through cover plate, and the position of cover plate corresponding transducer is provided with through hole one, and the periphery of barrel is provided with a plurality of screw holes one, for installing and fixing with pipe section cooperation;

[0009] ​The control module circuit board mounting area comprises a cuboid frame body, a cavity is arranged between the frame body and the cover plate for placing the control module circuit board, the cavity is communicated with the two side cylinder bodies respectively to form a reversed concave letter-shaped communication cavity, the two ends of the control module circuit board extend into the cylinder bodies respectively, a through hole two is formed in the upper surface of the cover plate at the corresponding position of the frame body, and a cylindrical terminal groove is arranged at the opening of the through hole two and protrudes from the surface of the cover plate, and the terminal groove is used for signal terminals of the control module circuit board to extend out.

[0010] Preferably, the transducer mounting area is further provided with a threaded hole two for mounting an external display device of the ultrasonic flowmeter, and the external display device can be intelligently modified.

[0011] Preferably, the transducer mounting area is further provided with a plurality of reinforcing ribs to enhance the structural strength of the module body and improve its durability in harsh environments.

[0012] Preferably, a boss is arranged in the frame body for supporting the control module circuit board.

[0013] Preferably, the two transducers are fixed to the control module circuit board by the glue pouring method, specifically, the two transducers are mounted in the cylinder bodies respectively, and the transducers are connected to the control module circuit board by wires. Then, the transducers and the control module circuit board are fixed by the glue pouring method. After the cover plate is covered, glue is poured into the through hole one to fix the cover plate and the module body. In this way, the module increases the airtightness during use and has excellent waterproof performance.

[0014] The ultrasonic flowmeter module has the following advantages:

[0015] 1. The direct contact of the transducers with the gas or liquid in the pipe section is avoided by the blind hole design, and the waterproof performance of the module is improved.

[0016] 2. The transducers are connected to the circuit board by reasonable structural design, the exposed lines are reduced, and the stability of the product is enhanced.

[0017] 3. The integrality of the module is enhanced by the glue pouring process several times, and the waterproof effect is better.

[0018] 4. Compact structure, convenient to install: through the integrated design of the module, the quick installation and disassembly between the module and the pipe section are realized. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the corresponding action pipe section of the utility model.

[0020] Figure 2 is the overall schematic view of the utility model;

[0021] Figure 3 is a schematic diagram of the module body Figure 1 ;

[0022] Figure 4 is a schematic diagram of the module body of the utility model Figure 2 ;

[0023] Figure 5 is a schematic diagram of the cover plate of the utility model

[0024] Figure 6 is a sectional view of the utility model

[0025] Figure 7 is a schematic diagram of the utility model in the installation control module circuit board. DETAILED DESCRIPTION

[0026] The utility model will be further described below in combination with the drawings. The following examples are only used to more clearly illustrate the technical scheme of the utility model, and cannot limit the protection scope of the utility model.

[0027] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0028] An ultrasonic flowmeter module is used for a reflection type ultrasonic flowmeter, and the object of action is as shown in Figure 1 As shown in Figures 2-6 , the ultrasonic flowmeter module comprises a module body 1 and a cover plate 4, the module body 1 is a cuboid, the left and right ends of the module body 1 are respectively two transducer mounting areas 2, and the two transducer mounting areas 2 are symmetrically arranged, the middle is a control module circuit board mounting area 3, and the cover plate 4 is arranged on the upper surface of the module body 1.

[0029] The transducer mounting area 2 of the module main body 1 comprises a cylindrical barrel 21 for mounting the transducer, the bottom of the barrel 21 is a closed blind hole 27, the upper part is closed by the cover plate 4, and a through hole 43 is formed in the cover plate 4 corresponding to the position of the transducer, a plurality of screw holes 23 are arranged around the barrel 21 for cooperating with the pipe section to be mounted and fixed; the control module circuit board mounting area 3 comprises a cuboid frame 31, a cavity is arranged between the frame 31 and the cover plate 4 for placing the control module circuit board, the cavity is in communication with the two barrel 21s respectively to form a reversed concave letter-shaped communication cavity, the two ends of the control module circuit board extend into the barrel 21 respectively, the upper surface of the cover plate 4 corresponding to the position of the frame 31 is provided with a through hole 41, and a cylindrical terminal groove 42 is arranged at the opening of the through hole 41, the terminal groove 42 protrudes from the surface of the cover plate 4, the terminal groove 42 is used for the signal terminal of the control module circuit board to extend out, and the signal terminal of the control module circuit board can be infrared, Bluetooth, RS485 and other communication modes.

[0030] Preferably, the transducer mounting area 2 is further provided with a screw hole 25 for mounting an external display device of the ultrasonic flowmeter.

[0031] Preferably, a boss 32 is arranged in the frame 31 for supporting the control module circuit board.

[0032] Preferably, the transducer mounting area 2 is further provided with a plurality of reinforcing ribs 26.

[0033] Two transducers are mounted in the barrel 21 respectively, and the transducers and the control module circuit board 5 are connected through a line, the transducers and the control module circuit board 5 are fixed through the glue pouring mode, the cover plate 4 is covered, as shown in the drawing, the control module circuit board 5 is provided with two protrusions, the two protrusions extend into the barrel 21, so that the control module circuit board 5 can be closer to the transducers, and the arrangement of the line is reduced. Figure 7 The glue is poured into the through hole 43 to fix the cover plate 4 and the module main body 1, so that the module increases the airtightness and has the waterproof performance when being used.

[0034] The above is only the preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the technical principle of the present application, a plurality of improvements and deformations can be made, and these improvements and deformations should be regarded as the protection range of the present application.

Claims

1. An ultrasonic flow meter module, comprising: The module body is a cuboid, and the left and right ends of the module body are respectively two transducer mounting areas which are symmetrically arranged, and the middle is a control module circuit board mounting area; the cover plate is arranged on the upper surface of the module body; Each transducer mounting area comprises a cylindrical barrel for mounting a transducer, the bottom of the barrel is a blind hole, the upper part is closed by the cover plate, and a through hole one is arranged on the cover plate corresponding to the transducer, a plurality of screw holes one are arranged around the barrel for cooperating with the pipe section to be mounted and fixed; The control module circuit board mounting area comprises a cuboid frame, a cavity is arranged between the frame and the cover plate for placing the control module circuit board, the cavity is communicated with the two barrel respectively to form a reverse concave letter-shaped communication cavity, the two ends of the control module circuit board extend into the barrel respectively, a through hole two is arranged on the upper surface of the cover plate corresponding to the position of the frame, and a cylindrical terminal groove is arranged at the opening of the through hole two, the terminal groove protrudes from the surface of the cover plate, and the terminal groove is used for the signal terminal of the control module circuit board to extend out.

2. The ultrasonic flow meter module of claim 1, wherein, A screw hole two is arranged in the transducer mounting area for mounting an external display device of the ultrasonic flowmeter.

3. The ultrasonic flow meter module of claim 1, wherein, A plurality of reinforcing ribs are arranged in the transducer mounting area.

4. The ultrasonic flow meter module of claim 1, wherein, The two transducers and the control module circuit board are fixed by the glue pouring mode.

5. The ultrasonic flow meter module of claim 1, wherein, A boss is arranged in the frame for supporting the control module circuit board.

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