Ultrasonic heat meter

Abstract

The utility model discloses an ultrasonic heat meter, and relates to the technical field of meters. Comprising a measuring tube, a metering device is arranged on the side face of the measuring tube, a positioning hole is formed in the surface of the measuring tube, a mounting hole is formed in one side of the measuring tube, a notch is formed in the other side of the measuring tube, a mounting plate is clamped in the notch, and protruding edges are arranged on the surfaces of the measuring tube and the mounting plate. A mounting cylinder is fixedly connected to the side face of the mounting plate, an inserting column is inserted into the mounting cylinder, and a fixing cap is rotationally connected to one end of the inserting column; the installation plate and the measuring pipe are combined with each other to form a complete pipeline structure for detection, the installation plate is used for carrying the insertion column with the reflecting surface, and when the device is cleaned, the installation plate is disassembled to expose the interior of the measuring pipe, so that the concave-convex part in the measuring pipe can be conveniently cleaned, and the detection efficiency is improved. And the influence of impurities on the measurement precision is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of meters, in particular to an ultrasonic heat meter. Background Art

[0002] At present, the heat supply in the heating system is mainly measured by heat meters. The heat meter is installed above the flow meter cylinder. The heat meter collects the temperature signals of the feed water and return water through the thermal resistor, and collects the hot water flow signal through the transducer installed on the flow meter cylinder, and then measures the heat supply.

[0003] In the prior art, metering pipes are provided in ultrasonic heat meters, and projection structures such as reflective surfaces are required inside these pipes to form numerous tortuous surfaces. After repeated use, impurities such as scale are easily accumulated on the tortuous surfaces of the inner walls of the pipes. The accumulation of these impurities easily affects the pipe fluidity and measurement accuracy. Utility Model Content

[0004] The utility model provides an ultrasonic heat meter to solve the problems in the background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: an ultrasonic heat meter, comprising a measuring tube, a side of which is provided with a metering device;

[0006] A positioning hole is provided on the surface of the measuring tube, a mounting hole is provided on one side of the measuring tube, a notch is provided on the other side of the measuring tube, a mounting plate is clamped inside the notch, convex edges are provided on the surfaces of the measuring tube and the mounting plate, a mounting cylinder is fixedly connected to the side of the mounting plate, a plug is inserted into the inside of the mounting cylinder, a fixing cap is rotatably connected to one end of the plug, a sealing ring is sleeved on the outer side of the plug, and a reflecting surface is provided on the other end of the plug;

[0007] The side of the metering device is connected with a sleeve via bolts, one side of the sleeve is provided with a through slot, the side of the sleeve is threadedly connected with a positioning bolt, the side of the metering device is provided with an ultrasonic transducer, and the inner wall of the sleeve is provided with a positioning slot.

[0008] Furthermore, four positioning holes are provided, and the four positioning holes correspond to the positioning bolts one by one. The positioning bolts pass through the sleeve and are threadedly connected to the positioning holes.

[0009] Furthermore, the notch and the adjacent surface of the mounting plate are both provided with rubber sealing pads, the cross section of the mounting plate is semicircular, and the measuring tube and the ridges on the mounting plate are fitted to each other and slidably connected inside the positioning groove.

[0010] Furthermore, a flange is provided at one end of the plug post outside the installation tube, the sealing ring is clamped between the installation tube and the flange, and the fixing cap is threadedly connected to the installation tube.

[0011] Furthermore, the through groove is arranged opposite to the mounting hole, and an opening is arranged at the sleeve opposite to the through groove, and the width of the opening is greater than the diameter of the mounting tube.

[0012] Furthermore, a constriction port is provided at one end of the mounting hole in the measuring tube, the ultrasonic transducer is plugged and arranged inside the mounting hole, and a sealing ring is also provided between the constriction port and the ultrasonic transducer.

[0013] Compared with the prior art, the utility model provides an ultrasonic heat meter with the following features:

[0014] Beneficial effects:

[0015] The ultrasonic heat meter is combined with a mounting plate to form a complete detection pipeline structure. The mounting plate is used to carry a plug with a reflective surface. When cleaning the device, the inside of the measuring tube is exposed by disassembling the mounting plate, thereby facilitating the cleaning of the concave and convex parts inside the measuring tube, thereby reducing the influence of impurities on the measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a cross-sectional view of the utility model;

[0018] Figure 3 This is a schematic diagram of the convex ridge structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the positioning hole structure of the utility model.

[0020] In the figure: 1. measuring tube; 11. positioning hole; 12. mounting hole; 13. notch; 14. mounting plate; 15. ridge; 16. mounting tube; 17. plug post; 18. fixing cap; 19. sealing ring; 110. reflecting surface; 2. metering device; 21. sleeve; 22. through groove; 23. positioning bolt; 24. ultrasonic transducer; 25. positioning groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model discloses an ultrasonic heat meter, comprising a measuring tube 1, a metering device 2 is arranged on the side of the measuring tube 1; a positioning hole 11 is opened on the surface of the measuring tube 1, a mounting hole 12 is opened on one side of the measuring tube 1, a notch 13 is opened on the other side of the measuring tube 1, a mounting plate 14 is clamped inside the notch 13, convex ridges 15 are arranged on the surfaces of the measuring tube 1 and the mounting plate 14, a mounting cylinder 16 is fixedly connected to the side of the mounting plate 14, a plug post 17 is inserted inside the mounting cylinder 16, one end of the plug post 17 is rotatably connected to a fixing cap 18, a sealing ring 19 is sleeved on the outer side of the plug post 17, and a reflecting surface 110 is arranged on the other end of the plug post 17; a sleeve 21 is connected to the side of the metering device 2 by bolts, a through groove 22 is opened on one side of the sleeve 21, a positioning bolt 23 is threadedly connected to the side of the sleeve 21, an ultrasonic transducer 24 is arranged on the side of the metering device 2, and a positioning groove 25 is opened on the inner wall of the sleeve 21.

[0023] Specifically, four positioning holes 11 are provided, and the four positioning holes 11 correspond to the positioning bolts 23 one by one. The positioning bolts 23 penetrate the sleeve 21 and are threadedly connected to the positioning holes 11 .

[0024] In this embodiment, the positioning bolt 23 passes through the sleeve 21 and is threadedly connected to the measuring tube 1 , thereby playing a role in combining and fixing the sleeve 21 and the measuring tube 1 .

[0025] Specifically, the notch 13 and the adjacent surface of the mounting plate 14 are provided with rubber sealing pads, the cross section of the mounting plate 14 is semicircular, and the ridges 15 on the measuring tube 1 and the mounting plate 14 are attached to each other and slidably connected inside the positioning groove 25 .

[0026] In this embodiment, when the mounting plate 14 is installed, the inner wall of the notch 13 is in close contact with the rubber sealing pad at the edge of the mounting plate 14, filling the gap between the mounting plate 14 and the notch 13, thereby improving the sealing performance of the device.

[0027] Specifically, a flange is provided at one end of the plug post 17 outside the installation tube 16 , the sealing ring 19 is clamped between the installation tube 16 and the flange, and the fixing cap 18 is threadedly connected to the installation tube 16 .

[0028] In this embodiment, when the plug post 17 is combined and connected with the mounting tube 16, the sealing ring 19 is clamped by the flange and the mounting tube 16, thereby sealing the gap between the plug post 17 and the mounting tube 16, and the threaded connection between the fixing cap 18 and the mounting tube 16 fixes the plug post 17.

[0029] Specifically, the through slot 22 is arranged opposite to the mounting hole 12 , and an opening is arranged at the sleeve 21 opposite to the through slot 22 , and the width of the opening is greater than the diameter of the mounting tube 16 .

[0030] In this embodiment, the through groove 22 is arranged opposite to the mounting hole 12, leaving space for the ultrasonic transducer 24 to be plugged into the mounting hole 12, facilitating the combined installation. An opening is arranged on the sleeve 21 to leave space for the mounting tube 16.

[0031] Specifically, a constriction opening is provided at one end of the mounting hole 12 in the measuring tube 1 , and the ultrasonic transducer 24 is plugged and arranged inside the mounting hole 12 . A sealing ring 19 is also provided between the constriction opening and the ultrasonic transducer 24 .

[0032] In this embodiment, after the sleeve 21 is assembled and connected with the measuring tube 1, the metering device 2 is snapped onto the side of the sleeve 21, and at the same time, the ultrasonic transducer 24 is inserted into the mounting hole 12, so that the sealing ring 19 is compressed, thereby filling and sealing the gap between the ultrasonic transducer 24 and the mounting hole 12.

[0033] When in use, a sealing ring 19 is sleeved on the outside of the plug post 17, and then the plug post 17 is inserted into the mounting tube 16, and the fixing cap 18 is rotated to be threadedly connected to the mounting tube 16, and the mounting plate 14 is snapped into the notch 13, so that the measuring tube 1 and the convex ridges 15 on the mounting plate 14 fit each other, and then inserted into the sleeve 21 and the mutually fitting convex ridges 15 are made to slide into the positioning groove 25, and the positioning bolt 23 is bolted into the sleeve 21, so that the positioning bolt 23 is threadedly connected to the positioning hole 11, and the metering device 2 is fitted on the side of the sleeve 21. During the fitting process, the ultrasonic transducer 24 passes through the through groove 22 and is inserted into the mounting hole 12, and the metering device 2 is fixed by bolts to complete the combined installation of the meter. When cleaning the device, the above steps are reversed to disassemble it.

[0034] In summary, the ultrasonic heat meter, by setting a mounting plate 14 and combining it with the measuring tube 1, forms a complete detection pipeline structure, and uses the mounting plate 14 to carry the plug 17 with the reflecting surface 110. When cleaning the device, the interior of the measuring tube 1 is exposed by disassembling the mounting plate 14, thereby facilitating the cleaning of the concave and convex parts inside the measuring tube 1, thereby reducing the influence of impurities on the measurement accuracy.

[0035] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ultrasonic heat meter, comprising a measuring tube (1), characterized in that: A metering device (2) is provided on the side of the measuring tube (1); The measuring tube (1) has a positioning hole (11) on its surface, a mounting hole (12) on one side of the measuring tube (1), a notch (13) on the other side of the measuring tube (1), a mounting plate (14) being clamped inside the notch (13), ridges (15) being provided on the surfaces of the measuring tube (1) and the mounting plate (14), a mounting tube (16) being fixedly connected to the side of the mounting plate (14), a plug post (17) being inserted inside the mounting tube (16), one end of the plug post (17) being rotatably connected to a fixing cap (18), a sealing ring (19) being sleeved on the outer side of the plug post (17), and a reflecting surface (110) being provided on the other end of the plug post (17); The side of the metering device (2) is connected to a sleeve (21) via bolts, a through groove (22) is provided on one side of the sleeve (21), a positioning bolt (23) is threadedly connected to the side of the sleeve (21), an ultrasonic transducer (24) is provided on the side of the metering device (2), and a positioning groove (25) is provided on the inner wall of the sleeve (21).

2. An ultrasonic heat meter according to claim 1, characterized in that: Four positioning holes (11) are provided, and the four positioning holes (11) correspond to the positioning bolts (23) one by one. The positioning bolts (23) penetrate the sleeve (21) and are threadedly connected to the positioning holes (11).

3. An ultrasonic heat meter according to claim 1, characterized in that: The notch (13) and the adjacent surfaces of the mounting plate (14) are both provided with rubber sealing pads. The mounting plate (14) has a semicircular arc cross section. The measuring tube (1) and the convex ridges (15) on the mounting plate (14) are mutually attached and slidably connected inside the positioning groove (25).

4. The ultrasonic heat meter according to claim 1, characterized in that: A flange is provided at one end of the plug post (17) outside the installation tube (16), the sealing ring (19) is clamped between the installation tube (16) and the flange, and the fixing cap (18) is threadedly connected to the installation tube (16).

5. The ultrasonic heat meter according to claim 1, characterized in that: The through groove (22) is arranged opposite to the mounting hole (12), and an opening is arranged on the sleeve (21) opposite to the through groove (22), wherein the width of the opening is greater than the diameter of the mounting tube (16).

6. The ultrasonic heat meter according to claim 1, characterized in that: A constriction port is provided at one end of the mounting hole (12) in the measuring tube (1), and the ultrasonic transducer (24) is plugged and arranged inside the mounting hole (12). A sealing ring (19) is also provided between the constriction port and the ultrasonic transducer (24).

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