Ultrasonic flowmeter with pressure and temperature detection function

Abstract

The utility model discloses an ultrasonic flowmeter with pressure and temperature detection, which relates to the technical field of ultrasonic flowmeters, and comprises a connecting pipeline and connecting flange seats, the two ends of the connecting pipeline are fixedly connected with the connecting flange seats, and the outer end of the connecting pipeline is provided with a transducer. And a fixed sleeve is fixed at the upper end of the connecting pipeline. According to the ultrasonic flowmeter with the pressure and temperature detection function, the sealing washer is fixedly arranged on the outer surface of the fixing sleeve at the upper end of the connecting pipeline, the sealing washer ensures the sealing performance between the ultrasonic flowmeter body and the connecting pipeline, and fluid leakage is prevented; the sealing gasket is embedded into the annular groove in the connecting base at the lower end of the ultrasonic flowmeter body, so that the overall sealing performance and stability of the ultrasonic flowmeter body can be further enhanced, the situations such as leakage are prevented, the ultrasonic flowmeter body is prevented from being affected with damp, normal use of internal parts is prevented from being affected, and the waterproof and dampproof effects are enhanced; the use efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ultrasonic flowmeter technical field, concretely is an ultrasonic flowmeter with pressure and temperature detection. BACKGROUND

[0002] Ultrasonic flowmeter refers to a kind of flowmeter based on the principle that the propagation speed of ultrasonic wave in flowing medium is equal to the vector sum of the average flow velocity of measured medium and the speed of sound wave in stationary medium, mainly composed of transducer and converter, according to the principle of signal detection, ultrasonic flowmeter can be divided into propagation speed difference method (direct time difference method, time difference method, phase difference method and frequency difference method), beam deviation method, Doppler method, cross correlation method, spatial filtering method and noise method.

[0003] But the existing ultrasonic flowmeter still has some problems when using:

[0004] The existing ultrasonic flowmeter is often fixed with connecting pipeline by threaded connection during installation process, although the threaded connection can well keep the fastening of connection, but there is still a gap at the connection of the two, so that leakage occurs when liquid flows through connecting pipeline, and the ultrasonic flowmeter is damp, which affects the normal use of internal parts, so that the waterproof and moisture-proof effect is poor, and its use is affected;

[0005] Therefore, we propose an ultrasonic flowmeter with pressure and temperature detection to solve the problems mentioned above. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing an ultrasonic flowmeter with pressure and temperature detection to solve the problems that ultrasonic flowmeter is often fixed with connecting pipeline by threaded connection during installation process, although the threaded connection can well keep the fastening of connection, but there is still a gap at the connection of the two, so that leakage occurs when liquid flows through connecting pipeline, and the ultrasonic flowmeter is damp, which affects the normal use of internal parts, so that the waterproof and moisture-proof effect is poor, and its use is affected.

[0007] To achieve the above object, the utility model provides the following technical scheme: an ultrasonic flowmeter with pressure and temperature detection, including connecting pipeline and connecting flange seat:

[0008] The connecting pipeline is fixedly connected with a connecting flange seat at both ends, an ultrasonic transducer is arranged at the outer end of the connecting pipeline, a fixed sleeve is fixed at the upper end of the connecting pipeline, a sealing washer is fixed at the upper end surface of the fixed sleeve, an ultrasonic flowmeter body is arranged above the fixed sleeve, a connecting seat is fixedly connected to the lower end of the ultrasonic flowmeter body, an annular groove is formed in the lower end surface of the connecting seat, and the sealing washer is in corresponding and abutting connection with the annular groove.

[0009] The above technical scheme can increase the close connection between the ultrasonic flowmeter body and the fixed sleeve, effectively prevent the intrusion of moisture and other impurities, ensure the waterproof performance of the equipment, ensure normal operation and prolong the service life.

[0010] Preferably, the outer surface of the ultrasonic flowmeter body is embedded with a data display screen, and the ultrasonic flowmeter body is provided with a connecting mechanism below.

[0011] The above technical scheme installs a data display screen at the front end of the ultrasonic flowmeter body, which can display real-time flow and other related parameters, facilitating user monitoring and control.

[0012] Preferably, the connecting mechanism comprises a first internal thread groove formed in the fixed sleeve, and a first external thread coil formed in the outer surface of the connecting seat, and the first external thread coil is in corresponding and threaded connection with the first internal thread groove.

[0013] The above technical scheme fastens the connecting seat to the fixed sleeve through threaded connection, which can ensure the stable connection between the ultrasonic flowmeter and the pipeline or other equipment, and prevent leakage or loosening, thereby ensuring the accuracy and stability of measurement.

[0014] Preferably, the connecting pipeline is provided with a pressure sensor assembly below, the pressure sensor assembly comprises a connecting sleeve fixedly connected to the lower end surface of the connecting pipeline, a second internal thread groove is formed in the inner side of the connecting sleeve, a fastener is arranged in the middle of the connecting sleeve, a second external thread coil is formed in the outer surface of the fastener, and the fastener is in threaded fastening connection with the connecting sleeve through the second external thread coil and the second internal thread groove.

[0015] The above technical scheme fastens the fastener to the connecting pipeline through the threaded fastening connection of the external thread coil and the internal thread groove, which is simple in structure, reliable in connection and easy to disassemble, can ensure the stable connection between the pressure sensor assembly and the connecting pipeline, and prevent leakage or loosening, thereby ensuring the accuracy and stability of measurement.

[0016] Preferably, the top end of the fastener is provided with an internal thread coil, the inside of the connecting pipe is provided with a pressure sensor body, the bottom end of the pressure sensor body is fixedly connected with a threaded column, and the pressure sensor body is in threaded fastening connection with the fastener through the threaded column and the internal thread coil.

[0017] By the above technical scheme, the pressure sensor body is fixed with the fastener through threaded connection, which can facilitate the dismounting and mounting of the pressure sensor body, so that the pressure sensor body can be quickly dismounted when not in use, preventing damage caused by long-term soaking and prolonging the service life.

[0018] Preferably, the upper side of the connecting pipe is provided with a temperature sensor assembly, and one side of the temperature sensor assembly is connected with a connecting line.

[0019] By the above technical scheme, the temperature sensor assembly and the connecting pipe are connected in the same way as the pressure sensor assembly and the connecting pipe, which can facilitate the real-time monitoring of the temperature of the fluid in the connecting pipe, so as to assist the staff in monitoring and adjusting the process parameters and ensure the stability of the production process.

[0020] Compared with the prior art, the utility model has the advantages that:

[0021] 1. The sealing gasket is fixedly arranged on the outer surface of the sleeve at the upper end of the connecting pipe, which ensures the sealing between the ultrasonic flowmeter body and the connecting pipe, prevents fluid leakage, and further enhances the sealing and stability of the ultrasonic flowmeter body as a whole, prevents leakage and other situations, avoids the ultrasonic flowmeter body from being damp, prevents the normal use of the internal parts, enhances the waterproof and moisture-proof effect, and improves the use efficiency.

[0022] 2. The pressure sensor body is preliminarily fixed with the fastener through threaded connection, and the fastener is in threaded fastening connection with the connecting sleeve through the second external thread coil, which can facilitate the fixation of the pressure sensor body in the connecting pipe, so as to measure the pressure value of the liquid flowing through the connecting pipe by fixing the pressure sensor body, transmit the pressure value to the ultrasonic flowmeter body through the connecting line, and realize the monitoring function of the liquid pressure, effectively enhance the use effect, and through threaded connection, on the one hand, the pressure sensor body can be quickly mounted and dismounted, increasing the convenience of use, and on the other hand, the threaded fastening connection improves the sealing of the connection, preventing fluid leakage from affecting the pressure sensor body. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a front view structural schematic diagram of the utility model main body.

[0024] Figure 2 It is the main body rear view structure schematic diagram of the utility model;

[0025] Figure 3 It is the connecting seat and fixed sleeve structure schematic diagram of the utility model ultrasonic flowmeter body;

[0026] Figure 4 It is the pressure sensor assembly disassembly structure schematic diagram of the utility model.

[0027] In the figure: 1, connecting pipeline;2, connecting flange seat;3, transducer;4, fixed sleeve;5, ultrasonic flowmeter body;6, data display screen;7, first internal thread groove;8, sealing washer;9, connecting seat;10, first external thread coil;11, annular groove;12, pressure sensor assembly;1201, connecting sleeve;1202, second internal thread groove;1203, fastener;1204, second external thread coil;1205, internal thread coil;1206, pressure sensor body;1207, threaded column;13, temperature sensor assembly;14, connecting line. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0029] In order to solve the problem that there is still a gap between the ultrasonic flowmeter and the connecting pipeline in the prior art, which causes leakage when liquid flows through the connecting pipeline, the following scheme is disclosed. Please refer to Figures 1-4 The utility model provides a kind of technical scheme: an ultrasonic flowmeter with pressure and temperature detection, including connecting pipeline 1 and connecting flange seat 2: the both ends of connecting pipeline 1 are fixedly connected with connecting flange seat 2, and the outer end of connecting pipeline 1 is provided with transducer 3, and the upper end of connecting pipeline 1 is fixed with fixed sleeve 4, and the upper end surface of fixed sleeve 4 is fixed with sealing washer 8, and the upper of fixed sleeve 4 is provided with ultrasonic flowmeter body 5, and the lower end of ultrasonic flowmeter body 5 is fixedly connected with connecting seat 9, and the lower end surface of connecting seat 9 is provided with annular groove 11, and sealing washer 8 and annular groove 11 are connected in correspondence.

[0030] The two ends of the connecting pipe 1 are fixedly connected with the connecting flange seat 2, which can facilitate the connection of the connecting pipe 1 with other pipe systems through the connecting flange seat 2, and facilitate installation and disassembly. The transducer 3 arranged at the outer end of the connecting pipe 1 can be used to realize emission and reception of ultrasonic signals, calculate the flow rate by measuring the propagation time of ultrasonic waves in the fluid, and the sealing gasket 8 is fixedly arranged on the outer surface of the sleeve 4 at the upper end of the connecting pipe 1. The sealing gasket 8 ensures the sealing between the ultrasonic flowmeter body 5 and the connecting pipe 1, prevents fluid leakage, and further enhances the sealing and stability of the ultrasonic flowmeter body 5, prevents leakage and other conditions, avoids moisture of the ultrasonic flowmeter body 5, prevents the normal use of internal parts, enhances the waterproof and moisture-proof effect, and improves the use efficiency.

[0031] The outer surface of the ultrasonic flowmeter body 5 is inlaid with the data display screen 6, and the lower part of the ultrasonic flowmeter body 5 is provided with a connecting mechanism; the connecting mechanism comprises a first inner thread groove 7 formed in the inside of the fixed sleeve 4, and a first outer thread coil 10 formed on the outer surface of the connecting seat 9, and the first outer thread coil 10 is in corresponding threaded connection with the first inner thread groove 7.

[0032] The outer surface of the ultrasonic flowmeter body 5 is provided with the data display screen 6, which can display the measured data in real time, so that the operator can real-time view and monitor, and the ultrasonic flowmeter body 5 is connected with the fixed sleeve 4 through the threaded fastening connection of the first outer thread coil 10 outside the connecting seat 9 and the first inner thread groove 7 in the middle of the fixed sleeve 4, which can realize the close connection of the ultrasonic flowmeter body 5 and the connecting pipe 1, so as to realize the stable connection mode, and through this connection mode, the waterproof and moisture-proof effect can be increased, so as to prevent the liquid from affecting the ultrasonic flowmeter body 5 when the liquid flows, and ensure the accuracy of the ultrasonic flowmeter body 5 in the measurement process.

[0033] The lower part of the connecting pipe 1 is provided with a pressure sensor assembly 12, which comprises a connecting sleeve 1201 fixedly connected to the lower end surface of the connecting pipe 1, a second inner threaded groove 1202 is formed in the inner side of the connecting sleeve 1201, a fastener 1203 is arranged in the middle part of the connecting sleeve 1201, a second outer threaded coil 1204 is formed on the outer surface of the fastener 1203, and the fastener 1203 is threadedly and tightly connected between the second outer threaded coil 1204 and the second inner threaded groove 1202 of the connecting sleeve 1201; the top end of the fastener 1203 is provided with an inner threaded coil 1205, and the inside of the connecting pipe 1 is provided with a pressure sensor body 1206, the bottom end of the pressure sensor body 1206 is fixedly connected with a threaded column 1207, and the pressure sensor body 1206 is threadedly and tightly connected between the threaded column 1207 and the fastener 1203 through the inner threaded coil 1205.

[0034] The pressure sensor body 1206 is preliminarily fixed by the threaded column 1207 fixedly connected to the bottom end of the pressure sensor body 1206 and the inner threaded coil 1205 formed on the top end of the fastener 1203, and then the fastener 1203 is threadedly and tightly connected with the connecting sleeve 1201 through the second outer threaded coil 1204 formed on the outer surface of the fastener 1203 and the second inner threaded groove 1202 formed in the inner side of the connecting sleeve 1201, which can conveniently fix the pressure sensor body 1206 in the connecting pipe 1, so that the pressure value of the liquid flowing through the connecting pipe 1 can be measured in real time by the pressure sensor body 1206, and the pressure value is transmitted to the ultrasonic flowmeter body 5 through the connecting line 14, thereby realizing the monitoring function of the liquid pressure, effectively enhancing the use effect, and through the threaded connection, on the one hand, the fast installation and disassembly can increase the convenience of use, and on the other hand, the threaded and tight connection can improve the sealing of the connection and prevent the fluid leakage from affecting the pressure sensor body 1206.

[0035] The upper part of the connecting pipe 1 is provided with a temperature sensor assembly 13, and one side of the temperature sensor assembly 13 is connected with a connecting line 14.

[0036] The connection mode of the temperature sensor assembly 13 and the connecting pipe 1 is the same as that of the pressure sensor assembly 12 and the connecting pipe 1, which can conveniently monitor the temperature of the fluid in the connecting pipe 1 in real time, and transmit the monitored signal to the ultrasonic flowmeter body 5 through the connecting line 14, and then display the related parameters through the data display screen 6, so as to assist the staff to monitor and adjust the process parameters, ensure the accuracy of the temperature in the production process, ensure the stability of the production process, improve the heat transfer efficiency and prolong the service life of the pipe.

[0037] Working principle: for this kind of ultrasonic flowmeter with pressure and temperature detection, the ultrasonic flowmeter transmits and receives ultrasonic signals through the transducer 3 arranged at the outer end, the propagation time of the signals in the fluid is proportional to the flow rate of the fluid, using the principle of velocity difference method, phase difference method or frequency difference method, the flow rate of the fluid can be calculated, the ultrasonic flowmeter body 5 is screwed with the fixed sleeve 4 through the connecting mechanism below, this stable connection mode ensures the accuracy of measurement and increases the waterproof and moisture-proof effect, prevents the liquid from affecting the flowmeter, the lower part of the connecting pipe 1 is provided with a pressure sensor assembly 12, which is fixed in the connecting pipe 1 by screw connection, the pressure sensor body 1206 can measure the pressure value of the liquid flowing through the connecting pipe 1 in real time, and transmit the pressure value to the ultrasonic flowmeter body 5 through the connecting line 14, after the ultrasonic flowmeter body 5 receives the pressure data, it can be displayed on the data display screen 6, for the operator to monitor and adjust the process parameters, the upper part of the connecting pipe 1 is provided with a temperature sensor assembly 13, the connection mode of the assembly is the same as that of the pressure sensor assembly 12, which is also fixed on the connecting pipe 1 by screw connection, the temperature sensor assembly 13 can measure the temperature of the fluid in the connecting pipe 1 in real time, and transmit the temperature data to the ultrasonic flowmeter body 5 through the connecting line 14, after the ultrasonic flowmeter body 5 receives the temperature data, it can also be displayed on the data display screen 6, for the operator to monitor and adjust the process parameters, to ensure the accuracy of the temperature in the production process.

[0038] Therefore, a series of work is completed, and the contents not described in detail in the specification belong to the prior art known by those skilled in the art.

[0039] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An ultrasonic flowmeter with pressure and temperature detection, comprising a connecting pipe (1) and a connecting flange seat (2), characterized in that: The connecting pipe (1) is fixedly connected with the connecting flange seat (2) at both ends, the outer end of the connecting pipe (1) is provided with a transducer (3), the upper end of the connecting pipe (1) is fixedly connected with a fixed sleeve (4), the upper end surface of the fixed sleeve (4) is fixedly connected with a sealing gasket (8), the upper side of the fixed sleeve (4) is provided with an ultrasonic flowmeter body (5), the lower end of the ultrasonic flowmeter body (5) is fixedly connected with a connecting seat (9), the lower end surface of the connecting seat (9) is provided with an annular groove (11), and the sealing gasket (8) is connected with the annular groove (11) in a corresponding and fitting manner.

2. The ultrasonic flow meter with pressure and temperature detection of claim 1, wherein: The outer surface of the ultrasonic flowmeter body (5) is inlaid with a data display screen (6), and the lower side of the ultrasonic flowmeter body (5) is provided with a connecting mechanism.

3. The ultrasonic flow meter with pressure and temperature detection of claim 2, wherein: The connecting mechanism comprises a first internal thread groove (7) formed in the inside of the fixed sleeve (4), and a first external thread coil (10) formed on the outer surface of the connecting seat (9), and the first external thread coil (10) is connected with the first internal thread groove (7) in a corresponding and screw thread connection manner.

4. The ultrasonic flow meter with pressure and temperature detection of claim 1, wherein: The lower side of the connecting pipe (1) is provided with a pressure sensor assembly (12), the pressure sensor assembly (12) comprises a connecting sleeve (1201) fixedly connected to the lower end surface of the connecting pipe (1), the inner side of the connecting sleeve (1201) is provided with a second internal thread groove (1202), the middle part of the connecting sleeve (1201) is provided with a fastener (1203), the outer surface of the fastener (1203) is provided with a second external thread coil (1204), and the fastener (1203) is connected with the connecting sleeve (1201) through the second external thread coil (1204) and the second internal thread groove (1202) in a screw thread fastening connection manner.

5. The ultrasonic flow meter with pressure and temperature detection of claim 4, wherein: The top end of the fastener (1203) is provided with an internal thread coil (1205), the inside of the connecting pipe (1) is provided with a pressure sensor body (1206), the bottom end of the pressure sensor body (1206) is fixedly connected with a threaded column (1207), and the pressure sensor body (1206) is connected with the fastener (1203) through the threaded column (1207) and the internal thread coil (1205) in a screw thread fastening connection manner.

6. The ultrasonic flow meter with pressure and temperature detection of claim 1, wherein: The upper side of the connecting pipe (1) is provided with a temperature sensor assembly (13), one side of the temperature sensor assembly (13) is connected with a connecting line (14).

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