A multi-path external application type ultrasonic probe arrangement method

Abstract

The application relates to a multi-sound path external-pasting type ultrasonic probe arrangement method for an ultrasonic flowmeter for measuring the flow of liquid in a pipeline, and belongs to the acoustic and sensor technical fields. The technical scheme is as follows: two double-chip probes are arranged on a bus in the middle of a measuring pipeline (1), two double-chip probes or two single-chip probes are arranged on a bus on the left side of the measuring pipeline (1) adjacent to the double-chip probes, and two double-chip probes or two single-chip probes are arranged on a bus on the right side of the measuring pipeline (1) adjacent to the double-chip probes; and multiple measuring sound paths are formed. The application has the beneficial effects that: through the combination of the single-chip probes and the double-chip probes, the number of sound paths is increased under the premise of the same number of probes, the measuring mode of the external-pasting type ultrasonic flowmeter is enriched, the cost of probe arrangement is reduced, the flow measuring precision is improved, and the arrangement of the ultrasonic probes is more flexible.

Description

Technical Field

[0001] This invention relates to a method for arranging multi-path external ultrasonic probes for use in ultrasonic flow meters for measuring the flow rate of liquid in pipelines, and belongs to the fields of acoustics and sensor technology. Background Technology

[0002] To improve the measurement accuracy of ultrasonic flow meters and reduce the impact of complex flow conditions on flow measurement, ultrasonic probes are often arranged in a multi-path configuration, and this is also true for external ultrasonic flow meters. Currently, the main way to add a sound path to an external flow meter is to add a pair of ultrasonic probes, with the number of ultrasonic probes always being twice the number of sound paths. This is difficult for small-diameter pipes with limited installation space, and it also increases wiring and costs. Summary of the Invention

[0003] The purpose of this invention is to provide a method for arranging multi-channel external ultrasonic probes. By combining single-chip and dual-chip probes, the number of acoustic paths is increased while maintaining the same number of probes. This is beneficial for enriching the measurement methods of external ultrasonic flow meters, reducing probe arrangement costs, improving flow measurement accuracy, and solving the aforementioned technical problems existing in the prior art.

[0004] The technical solution of this invention is: A method for arranging multi-path external ultrasonic probes involves placing two dual-chip probes on a busbar in the middle of a measurement pipeline, placing two dual-chip probes or two single-chip probes on a busbar on the left side of the measurement pipeline adjacent to the dual-chip probes, and placing two dual-chip probes or two single-chip probes on a busbar on the right side of the measurement pipeline adjacent to the dual-chip probes. Each dual-chip probe has two chips, left and right. The left chip of the dual-chip probe on the middle busbar matches the dual-chip probe or single-chip probe on the left side of the busbar, and the right chip of the dual-chip probe on the middle busbar matches the dual-chip probe and single-chip probe on the right side of the busbar, thus forming multiple measurement acoustic paths.

[0005] Two dual-chip probes are installed on one busbar on the left side of the measurement pipeline, which are matched with two dual-chip probes or two single-chip probes on the other busbar on the left side, and so on. Two single-chip probes are installed on the outermost busbar on the left side, forming multiple measurement acoustic paths. Two dual-chip probes are installed on one busbar on the right side of the measurement pipeline, which are matched with two dual-chip probes or two single-chip probes on the other busbar on the right side, and so on. Two single-chip probes are installed on the outermost busbar on the right side, forming multiple measurement acoustic paths. The total number of measurement acoustic paths formed is an integer multiple of six.

[0006] The two dual-chip probes or two single-chip probes on the busbar are arranged along the circumferential direction on the busbar.

[0007] The left and right crystals of the dual-crystal probe are both mounted on an acoustic wedge, and the two crystals are not arranged on the same plane.

[0008] Arrangement Method 1: Two dual-chip probes, namely dual-chip probe one and dual-chip probe two, are arranged on a busbar in the middle of the measurement pipeline. Two single-chip probes, namely single-chip probe one and single-chip probe two, are arranged on the measurement pipeline adjacent to the left of the dual-chip probes. Two single-chip probes, namely single-chip probe three and single-chip probe four, are arranged on the measurement pipeline adjacent to the right of the dual-chip probes. Single-chip probe one and single-chip probe two are matched with the right chip of dual-chip probe two and dual-chip probe one, respectively, to form two acoustic paths. Single-chip probe one and single-chip probe two are matched with single-chip probe four and single-chip probe three, respectively, to form two acoustic paths. Single-chip probe three and single-chip probe four are matched with single-chip probe two and single-chip probe one, respectively, to form two acoustic paths. The above six probes form a group of multi-path probes, forming at least six measurement acoustic paths.

[0009] Arrangement Method Two: Two dual-chip probes, namely dual-chip probe one and dual-chip probe two, are arranged on a busbar in the middle of the measurement pipeline. Two more dual-chip probes, namely dual-chip probe three and dual-chip probe four, are arranged on the measurement pipeline adjacent to the right of dual-chip probe one and dual-chip probe two. Two single-chip probes, namely single-chip probe one and single-chip probe two, are arranged on the measurement pipeline adjacent to the left of dual-chip probe one and dual-chip probe two. Two more single-chip probes, namely single-chip probe three and single-chip probe four, are arranged on the measurement pipeline adjacent to the right of dual-chip probe three and dual-chip probe four. The dual-chip probes are matched with each other and with the single-chip probes to form multiple measurement acoustic paths. The above eight probes form at least twelve measurement acoustic paths.

[0010] The beneficial effects of this invention are: by combining single-chip and dual-chip probes, the number of acoustic paths can be increased under the premise of the same number of probes, which is conducive to enriching the measurement methods of external ultrasonic flow meters, reducing probe layout costs, improving flow measurement accuracy, and making ultrasonic probe layout more flexible. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present invention; Figure 2 This is a cross-sectional view of an embodiment of the present invention; Figure 3 This is a schematic diagram of the six-channel probe of Embodiment 1 of the present invention; Figure 4 This is a schematic diagram of the Z-mode installation of the probe of the present invention; Figure 5 This is a schematic diagram of the probe V-mode installation of the present invention; Figure 6 This is a schematic diagram of the twelve-channel probe in Embodiment 2 of the present invention; Figure 7 This is a schematic diagram of a dual-chip probe according to an embodiment of the present invention; In the diagram: 1. Measurement pipeline, 2. Single-chip probe 1, 3. Dual-chip probe 1, 4. Signal line, 5. Single-chip probe 2, 6. Dual-chip probe 2, 7. Single-chip probe 3, 8. Dual-chip probe 4, 9. Dual-chip probe 4, 10. Left chip, 11. Right chip, 12. Acoustic wedge, 13. Detailed Implementation

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0013] A method for arranging multi-path external ultrasonic probes involves placing two dual-chip probes on a busbar in the middle of a measurement conduit 1, placing two dual-chip probes or two single-chip probes on a busbar on the left side of the measurement conduit 1 adjacent to the dual-chip probes, and placing two dual-chip probes or two single-chip probes on a busbar on the right side of the measurement conduit 1 adjacent to the dual-chip probes. Each dual-chip probe has two chips, left and right. The left chip of the dual-chip probe on the middle busbar matches the dual-chip probe or single-chip probe on the left busbar, and the right chip of the dual-chip probe on the middle busbar matches the dual-chip probe and single-chip probe on the right busbar, thus forming multiple measurement acoustic paths.

[0014] Two dual-chip probes are installed on one busbar on the left side of the measurement pipeline 1, which are matched with two dual-chip probes or two single-chip probes on the other busbar on the left side, and so on. Two single-chip probes are installed on the outermost busbar on the left side, forming multiple measurement acoustic paths. Two dual-chip probes are installed on one busbar on the right side of the measurement pipeline 1, which are matched with two dual-chip probes or two single-chip probes on the other busbar on the right side, and so on. Two single-chip probes are installed on the outermost busbar on the right side, forming multiple measurement acoustic paths. The total number of measurement acoustic paths formed is an integer multiple of six.

[0015] The two dual-chip probes or two single-chip probes on the busbar are arranged along the circumferential direction on the busbar.

[0016] See attached document Figure 7 The left crystal 11 and right crystal 12 of the dual-crystal probe are both mounted on an acoustic wedge 13, and the two crystals are not arranged on the same plane. Example 1

[0017] Taking a six-channel system as an example, it includes four single-chip probes and two dual-chip probes. Two single-chip probes are matched with one dual-chip probe, and the two single-chip probes are respectively set on both sides of one dual-chip probe, forming a group. The two groups are symmetrically arranged on both sides of the axis.

[0018] See attached document Figure 3 The single-chip probes are single-chip probe 1 (2), single-chip probe 2 (5), single-chip probe 3 (7), and single-chip probe 4 (8), and the dual-chip probes are dual-chip probe 1 (3) and dual-chip probe 2 (6). When all are operational, they can form six acoustic paths. Single-chip probe 1 (2) and dual-chip probe 2 (6) form acoustic path 1 via a "Z" configuration; single-chip probe 3 (7) and dual-chip probe 2 (6) form acoustic path 2 via a "Z" configuration; single-chip probe 1 (2) and single-chip probe 3 (7) form acoustic path 3 via a "V" configuration; single-chip probe 2 (5) and dual-chip probe 1 (3) form acoustic path 4 via a "Z" configuration; single-chip probe 4 (8) and dual-chip probe 1 (3) form acoustic path 5 via a "Z" configuration; and single-chip probe 2 (5) and single-chip probe 4 (8) form acoustic path 6 via a "V" configuration.

[0019] See attached document Figure 4 The single-chip probe 2 and the dual-chip probe 6 form an acoustic path, which is a Z-mode installation of the probe.

[0020] See attached document Figure 5 The single-chip probe 12 and single-chip probe 37 form an acoustic path and are installed in a V-mode. Example 2

[0021] Taking a 12-channel system as an example, it includes four single-chip probes and four dual-chip probes. Two single-chip probes are matched with two dual-chip probes. The two single-chip probes are respectively set on both sides of the two dual-chip probes, forming a group. The two groups are symmetrically arranged on both sides of the axis.

[0022] See attached document Figure 3The single-chip probes are single-chip probe 1 (2), single-chip probe 2 (5), single-chip probe 3 (7), and single-chip probe 4 (8), and the dual-chip probes are dual-chip probe 1 (3), dual-chip probe 2 (6), dual-chip probe 3 (9), and dual-chip probe 4 (10). When all are operational, they can form 12 acoustic paths. Single-chip probe 1 (2) and dual-chip probe 2 (6) form acoustic path 1 via a "Z" configuration; dual-chip probe 2 (6) and dual-chip probe 3 (9) form acoustic path 2 via a "Z" configuration; single-chip probe 1 (2) and dual-chip probe 3 (9) form acoustic path 3 via a "V" configuration; single-chip probe 2 (5) and dual-chip probe 1 (3) form acoustic path 4 via a "Z" configuration; dual-chip probe 1 (3) and dual-chip probe 4 (10) form acoustic path 5 via a "Z" configuration; single-chip probe 2 (5) and dual-chip probe 4 (10) form acoustic path 6 via a "V" configuration; dual-chip probe 4 (5) and dual-chip probe 4 (10) form acoustic path 6. Crystal probe 1 (3) and dual crystal probe 4 (10) form acoustic path 7 via a "Z" pattern; dual crystal probe 4 (10) and single crystal probe 3 (7) form acoustic path 8 via a "Z" pattern; dual crystal probe 1 (3) and single crystal probe 3 (7) form acoustic path 9 via a "V" pattern; dual crystal probe 2 (6) and dual crystal probe 3 (9) form acoustic path 10 via a "Z" pattern; dual crystal probe 3 (9) and single crystal probe 4 (8) form acoustic path 11 via a "Z" pattern; dual crystal probe 2 (6) and single crystal probe 4 (8) form acoustic path 12 via a "V" pattern.

Claims

1. A method for arranging multi-path external ultrasonic probes, characterized in that: Two dual-chip probes are arranged on a busbar in the middle of the measurement pipeline (1). Two dual-chip probes or two single-chip probes are arranged on a busbar on the left side of the measurement pipeline (1) adjacent to the dual-chip probes. Two dual-chip probes or two single-chip probes are arranged on a busbar on the right side of the measurement pipeline (1) adjacent to the dual-chip probes. The dual-chip probes have two chips, left and right. The dual-chip probes, single-chip probes, and dual-chip probes and single-chip probes can be matched with each other to form multiple measurement acoustic paths. The left chip of the dual-chip probe is matched with the left dual-chip probe or single-chip probe, and the right chip of the dual-chip probe is matched with the right dual-chip probe and single-chip probe to form multiple measurement acoustic paths. The two dual-chip probes or two single-chip probes on a busbar are arranged along the circumferential direction on the busbar.

2. The method for arranging a multi-path external ultrasonic probe according to claim 1, characterized in that: Two dual-chip probes are set on one busbar on the left side of the measurement pipeline (1), which are matched with two dual-chip probes or two single-chip probes on the other busbar on the left side, and so on. Two single-chip probes are set on the outermost busbar on the left side, forming multiple measurement acoustic paths together. Two dual-chip probes are set on one busbar on the right side of the measurement pipeline (1), which are matched with two dual-chip probes or two single-chip probes on the other busbar on the right side, and so on. Two single-chip probes are set on the outermost busbar on the right side, forming multiple measurement acoustic paths together. The total number of measurement acoustic paths formed is an integer multiple of six.

3. The method for arranging a multi-path external ultrasonic probe according to claim 1, characterized in that: Two dual-chip probes, namely dual-chip probe one (3) and dual-chip probe two (6), are arranged on a busbar in the middle of the measuring pipeline (1). Two single-chip probes, namely single-chip probe one (2) and single-chip probe two (5), are set on the measuring pipeline (1) adjacent to the left of the dual-chip probes. Two single-chip probes, namely single-chip probe three (7) and single-chip probe four (8), are set on the measuring pipeline (1) adjacent to the right of the dual-chip probes. Single-chip probe one (2) and single-chip probe two (5) are matched with the right chip of dual-chip probe two (6) and dual-chip probe one (3) respectively to form two acoustic paths. Single-chip probe one (2) and single-chip probe two (5) are matched with single-chip probe four (8) and single-chip probe three (7) respectively to form two acoustic paths. Single-chip probe three (7) and single-chip probe four (8) are matched with single-chip probe two (5) and single-chip probe one (2) respectively to form two acoustic paths. The above six probes are a group of multi-path probes, forming at least six measuring acoustic paths.

4. The method for arranging a multi-path external ultrasonic probe according to claim 1, characterized in that: The single-chip probe one (2) and the dual-chip probe two (6) form an acoustic path and are installed in the Z-mode of the probe.

5. The method for arranging a multi-path external ultrasonic probe according to claim 1, characterized in that: The single-chip probe one (2) and single-chip probe three (7) form an acoustic path and are installed in the V-mode of the probe.

6. The method for arranging a multi-path external ultrasonic probe according to claim 1, characterized in that: Two dual-chip probes, namely dual-chip probe one (3) and dual-chip probe two (6), are arranged on a busbar in the middle of the measurement pipeline (1). Two dual-chip probes, namely dual-chip probe three (9) and dual-chip probe four (10), are arranged on the measurement pipeline (1) adjacent to the right of dual-chip probe one (3) and dual-chip probe two (6). Two single-chip probes, namely single-chip probe one (2) and single-chip probe two (5), are arranged on the measurement pipeline (1) adjacent to the left of dual-chip probe one (3) and dual-chip probe two (6). Two single-chip probes, namely single-chip probe three (7) and single-chip probe four (8), are arranged on the measurement pipeline (1) adjacent to the right of dual-chip probe three (9) and dual-chip probe four (10). The dual-chip probes are matched with each other and the dual-chip probes are matched with the single-chip probes to form multiple measurement sound paths. The above eight probes form at least twelve measurement sound paths.

Images