Integrated ultrasonic flowmeter measuring structure and flowmeter

Abstract

The utility model relates to an integrated ultrasonic flowmeter measuring structure which comprises a measuring pipe support and a measuring pipe support cover, a measuring space is arranged between the measuring pipe support and the measuring pipe support cover, a measuring assembly is fixedly connected in the measuring space, the measuring assembly is connected with one end of a liquid inlet pipe and one end of a liquid outlet pipe, and the other end of the liquid inlet pipe is connected with a liquid outlet pipe. The other end of the liquid inlet pipe and the other end of the liquid outlet pipe extend to the outer side of the measuring pipe support cover, and the connecting position of the liquid inlet pipe and the measuring pipe support cover and the connecting position of the liquid outlet pipe and the measuring pipe support cover are sealed through sealing pieces. The measuring pipeline is sealed in the measuring pipe support device, so that external interference can be effectively reduced, and the measuring accuracy is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to flowmeter field, more particularly, the utility model relates to a kind of integrated ultrasonic flowmeter measurement structure and flowmeter. BACKGROUND

[0002] Flowmeter English name is flowmeter, and National Committee for Scientific and Technological Terminology defines it as: indicating the flow to be measured and (or) the total amount of fluid in the selected time interval instrument. Simply speaking it is used to measure the flow of fluid in pipeline or open channel an instrument.

[0003] Flowmeter is divided into differential pressure flowmeter, rotameter, throttling flowmeter, slit flowmeter, volumetric flowmeter, electromagnetic flowmeter, ultrasonic flowmeter etc. according to medium classification: liquid flowmeter and gas flowmeter.

[0004] The main shortcomings of ultrasonic flowmeter include: measurement accuracy is not ideal, is susceptible to environmental interference. UTILITY MODEL CONTENT

[0005] In order to realize the purpose of the utility model, the technical scheme that the utility model adopts is: integrated ultrasonic flowmeter measurement structure, comprising: measurement pipe support and measurement pipe support cover, a measurement space is arranged between the measurement pipe support and the measurement pipe support cover, a measurement assembly is fixedly connected in the measurement space, one end of the measurement assembly is connected with inlet pipe and outlet pipe, the other end of the inlet pipe and the outlet pipe extends to the outside of the measurement pipe support cover, and the inlet pipe and the outlet pipe are sealed at the connection with the measurement pipe support cover by sealing element.

[0006] Preferably, the measurement assembly comprises: pipe head fixedly arranged in the measurement space, the pipe head is provided with a measurement channel, one end of the measurement channel is communicated with the inlet pipe, and the other end is communicated with the outlet pipe, both ends of the pipe head are provided with a detection space, the detection space is sealed by gland, detection elements are fixedly connected in the detection space, the measurement pipe support cover is fixedly connected with a docking plug, the docking plug extends to the measurement space and is provided with a plug-in part, and both detection elements are connected with the docking plug by signal line.

[0007] Preferably, the pipe head and the measurement pipe support are connected by fastener, and the connection between the fastener and the measurement pipe support is sealed by O-ring.

[0008] Preferably, the measurement pipe support cover is fixedly connected with label, and the label covers the connection between the docking plug and the measurement pipe support cover and the connection between pipe body and the measurement pipe support cover.

[0009] Preferably, the sealing element adopts sealing tube rubber ring.

[0010] Preferably, the connection between the measuring tube support and the measuring tube support cover is sealed by a sealing washer.

[0011] Preferably, the measuring tube support cover is provided with two assembly grooves, which are arranged on two sides of the measuring tube support.

[0012] Preferably, a flow meter uses the measuring structure.

[0013] Preferably, the flow meter is an ultrasonic flow meter.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. By sealing the measuring tube in the measuring tube support device, external interference can be effectively reduced, and the accuracy of measurement can be ensured.

[0016] 2. By arranging the sealing tube rubber ring, the sealing washer and the O-ring, various external environmental disturbances can be effectively isolated, and the integrated ultrasonic flow meter can work accurately and for a long time.

[0017] 3. By arranging the label, the waterproof effect can be achieved, the internal water inflow can be reduced, and the service life of the components can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 FIG. 1 is a schematic diagram of the internal structure of the measuring structure of the integrated ultrasonic flow meter of the utility model;

[0019] Figure 2 FIG. 1 is a schematic diagram of the internal structure of the measuring structure of the integrated ultrasonic flow meter of the utility model;

[0020] Figure 3 FIG. 1 is a schematic diagram of the internal structure of the measuring structure of the integrated ultrasonic flow meter of the utility model;

[0021] In the figure: 1, measuring tube support; 2, measuring tube support cover; 3, liquid inlet pipe; 4, liquid outlet pipe; 5, pipe head; 6, gland; 7, butt plug; 8, label; 9, sealing tube rubber ring; 10, sealing washer; 11, fastener. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be described clearly and completely 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Figure 1 As suchFigure 3 The utility model provides a technical scheme: a kind of integrated ultrasonic flowmeter measurement structure, comprising: measuring pipe support 1 and measuring pipe support cover 2, measuring pipe support 1 and measuring pipe support cover 2 connection place are sealed by sealing washer 10.

[0024] Measuring pipe support 1 and measuring pipe support cover 2 between being equipped with a measurement space, fixedly connected with a measurement component in measurement space, measurement component is connected with the one end of inlet tube 3 and outlet tube 4, the other end of inlet tube 3 and outlet tube 4 extends to the measurement outside of measuring pipe support cover 2. The time difference of flight of ultrasonic wave in the downstream and upstream of pipeline fluid is converted into flow by measurement component, to realize flow measurement. Liquid enters measurement component by inlet tube 3, then is excluded from outlet tube 4, to realize the flow of liquid to be monitored.

[0025] Inlet tube 3 and outlet tube 4 and measuring pipe support cover 2 connection place are sealed by sealing element. Sealing element adopts sealing tube rubber ring 9. Sealing tube rubber ring 9 can reduce external interference on the one hand, ensure the accuracy of measurement, while reducing liquid into measurement space.

[0026] Measurement component includes: fixedly arranged in the pipe head 5 of measurement space, pipe head 5 is equipped with a measurement channel, measurement channel one end is communicated with inlet tube 3, and the other end is communicated with outlet tube 4, both ends of pipe head 5 are equipped with a detection space, and detection space is sealed by gland 6, and detection space is fixedly connected with detection element, and detection element includes: piezoelectric ceramic, spring and other components, and gland 6 mainly plays the sealing effect to detection element.

[0027] Pipe head 5 and measuring pipe support 1 are connected by fastener 11, and fastener 11 and measuring pipe support 1 connection place are sealed by O-ring. Fastener 11 adopts screw, and pipe head 5 and measuring pipe support 1 are fixed by screw.

[0028] Detection element mainly detects both ends of measurement channel, improves the accuracy of data, and reduces the deviation of data.

[0029] Measuring pipe support cover 2 is fixedly connected with a plug 7, and the plug 7 extends to the measurement space and is provided with a plug-in part, and both detection elements are connected with the plug 7 by signal lines. The signal detected by the detection element is transmitted by the plug 7.

[0030] Measuring pipe support cover 2 is fixedly connected with a label 8, and the label 8 covers the connection between the plug 7 and the measuring pipe support cover 2 and the connection between the pipe body and the measuring pipe support cover 2. The label 8 is made of PVC material to reduce the risk of water ingress.

[0031] The measuring tube support cover 2 is provided with two assembly grooves which are arranged on the two sides of the measuring tube support 1. The integrated ultrasonic flowmeter measuring structure is installed on the flowmeter through screw cooperation with the assembly grooves, multiple channels can be adopted, the components in the pipe head 5 of each channel can emit and receive ultrasonic signals, and the flow is converted through the time difference of ultrasonic wave in the pipeline fluid.

[0032] The embodiments of the utility model discloses the preferable embodiment, but is not limited to this, the ordinary skilled in the art, the spirit of the utility model is appreciated to the above-mentioned embodiment, and different extension and change are made, but as long as do not depart from the spirit of the utility model, all are within the protection scope of the utility model.

Claims

1. An integrated ultrasonic flow meter measurement structure, characterized by, The utility model relates to a kind of measuring structure, including: Measuring tube support and measuring tube support cover, measuring space is arranged between measuring tube support and measuring tube support cover, and measuring space is fixedly connected with a measuring component, one end of inlet pipe and outlet pipe is connected with the measuring component, the other end of inlet pipe and outlet pipe extends to the outside of measuring tube support cover, and inlet pipe and outlet pipe are sealed by sealing element at connecting place with measuring tube support cover.

2. The integrated ultrasonic flow meter measurement structure of claim 1, wherein, Measuring component includes: pipe head fixedly arranged in measuring space, the pipe head is provided with a measuring channel, one end of the measuring channel is communicated with inlet pipe, and the other end is communicated with outlet pipe;Both ends of the pipe head are provided with a detection space, and the detection space is sealed by gland, and detection element is fixedly connected in the detection space, and the measuring tube support cover is fixedly connected with a plug-in connector, and the plug-in connector extends to measuring space and is provided with a plug-in part, and both detection elements are connected with plug-in connector by signal line.

3. The integrated ultrasonic flow meter measurement structure of claim 2, wherein, The pipe head is connected with measuring tube support by fastener, and the connecting place of fastener and measuring tube support is sealed by O-ring.

4. The integrated ultrasonic flow meter measurement structure of claim 2, wherein, Measuring tube support cover is fixedly connected with label, and the connecting place of plug-in connector and measuring tube support cover and the connecting place of pipe body and measuring tube support cover are covered by label.

5. The integrated ultrasonic flow meter measurement structure of claim 1, wherein, Sealing element uses sealing tube rubber ring.

6. The integrated ultrasonic flow meter measurement structure of claim 1, wherein, The connecting place of measuring tube support and measuring tube support cover is sealed by sealing washer.

7. The integrated ultrasonic flow meter measurement structure of claim 1, wherein, Measuring tube support cover is provided with two assembly grooves, and two assembly grooves are separately arranged on the two sides of measuring tube support.

8. A flow meter, characterized by, The flow meter uses the measuring structure of any one of claims 1-7.

9. The flow meter of claim 8, wherein, The flow meter is an ultrasonic flow meter.

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