Socket type heat-resistant polyethylene filter and ultrasonic heat meter base meter integrated pipe section

Abstract

The utility model discloses a socket type heat-resistant polyethylene filter and ultrasonic heat meter base meter integrated pipe section, and relates to the technical field of filters and ultrasonic heat meters. Comprising a tubular shell, two first positioning holes communicated with the interior of the shell are formed in the shell in a spaced mode, a temperature sensor is further arranged on one side, corresponding to one first positioning hole, of the shell, and a reflection column is arranged at the position, corresponding to the first positioning hole, in the shell; the shell is made of a heat-resistant and corrosion-resistant material; a filter is arranged on a shell pipeline at the front end of the upstream first positioning hole; the filter comprises a tubular filter shell, one end of the filter shell is connected to the bottom of the shell, a certain angle is formed between the axial direction of the filter shell and the axial direction of the shell, a filter screen is arranged in the filter shell, an annular filter insert is arranged on the inner side wall of the end, away from the shell, of the filter shell, and a plug is inserted into the inner wall of the annular filter insert. And the plug is detachably connected with the annular filter insert.

Description

Technical Field

[0001] The utility model relates to the technical field of filters and ultrasonic heat meters, in particular to a spigot-type heat-resistant polyethylene filter and an ultrasonic heat meter base-meter integrated pipe section. Background Art

[0002] Ultrasonic heat meters are used to measure and display the heat energy released or absorbed by water flowing through a heat exchange system. After calculation and processing, they display the heat released by the measured fluid from the water inlet to the return water outlet.

[0003] Existing heat meter bases are made of copper, stainless steel, or other metal materials. This makes scale buildup easily on the inner walls of the base meter tubes during hot water transmission, especially in areas with hard water. Hard water contains large amounts of metal ions, such as calcium and magnesium. These ions combine with carbonate ions in the water to form insoluble compounds such as calcium carbonate and magnesium carbonate, which adhere to the inner walls of the copper tubes, forming scale. Scale formation not only affects the transmission of heat meter signals and, consequently, measurement accuracy, but also reduces water flow and thermal conductivity, and can easily cause corrosion on the inner walls of the copper tubes, leading to leaks and other problems.

[0004] When a filter is connected to the existing ultrasonic heat meter base, the sealing reliability of the connection between the two is insufficient, which easily leads to leakage of the medium inside the pipe section. Utility Model Content

[0005] To this end, an embodiment of the present invention provides an integrated pipe section of a spigot-type heat-resistant polyethylene filter and an ultrasonic heat meter base, so as to solve the problem in the above-mentioned technology that when the filter is connected to the existing ultrasonic heat meter base, the sealing reliability of the connection between the two is insufficient, which easily leads to leakage of the medium inside the pipe section.

[0006] In order to achieve the above objectives, the present invention provides the following technical solutions:

[0007] A spigot-type heat-resistant polyethylene filter and ultrasonic heat meter base integrated pipe section, comprising a tubular housing, two first positioning holes spaced apart and communicating with the interior of the housing, a temperature sensor disposed on one side of the housing adjacent to one of the first positioning holes, and the temperature sensor located upstream of the medium flow direction, and a reflective column disposed within the housing at a position corresponding to the first positioning hole;

[0008] The shell is made of heat-resistant and corrosion-resistant material, and a filter is provided on the shell pipe at the front end of the first positioning hole upstream; the filter includes a tubular filter shell, one end of the filter shell is connected to the bottom of the shell, and the axial direction of the filter shell is set at a certain angle to the axial direction of the shell, a filter screen is provided inside the filter shell, and an annular filter insert is provided on the inner side wall of the end of the filter shell away from the shell, and a plug is inserted into the inner wall of the annular filter insert, and the plug is detachably connected to the annular filter insert; the filter shell is made of heat-resistant polyethylene material, and the filter shell and the shell are integrally formed.

[0009] Optionally, the flow direction of the medium inside the filter housing and the flow direction of the medium inside the shell are arranged at an angle of 45°.

[0010] Optionally, an annular limiting steel ring is provided at a position of the outer wall of the filter housing corresponding to the annular filter insert, and the limiting steel ring is fixed to the outer wall of the filter housing.

[0011] Optionally, a first O-ring is provided between the outer side of the annular filter insert and the filter housing.

[0012] Optionally, a second O-ring is provided between the plug and the annular filter insert.

[0013] Optionally, a metal insert is provided between the inner wall and the outer wall of the shell, an ultrasonic sensor mounting seat is provided at a position of the metal insert corresponding to the first positioning hole on the shell, a temperature sensor mounting seat is provided at a position of the metal insert corresponding to the second positioning hole, a reserved hole is opened at a position on the shell corresponding to the reflective column, and a limiting groove is provided at a position of the metal insert corresponding to the reserved hole and the reflective column for fixing the reflective column.

[0014] Optionally, both ends of the shell and the end of the filter housing away from the shell are provided with smooth socket-type structures, which can be socket-welded with heat-resistant polyethylene pipes and fittings by electric melting or hot melting.

[0015] Optionally, the outer side wall of the shell is provided with a medium flow direction indicator.

[0016] The utility model has at least the following beneficial effects:

[0017] The utility model adopts heat-resistant polyethylene as the material for the filter housing of the ultrasonic heat meter base and the filter, and the two are integrally formed, which can reduce the manufacturing cost and ensure the sealing between the filter and the ultrasonic heat meter base housing, thereby reducing the leakage points between the two. In addition, the setting of the filter can reduce the accumulation of dirt and impurities inside the ultrasonic heat meter base housing, thereby improving the measurement accuracy of the heat meter.

[0018] At the same time, the ultrasonic heat meter base shell is made of heat-resistant polyethylene material to ensure that scale will not form on the inner wall of the pipe section, thereby avoiding affecting the signal transmission of the heat meter and achieving higher measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the prior art and the present invention, the following briefly introduces the drawings required for describing the prior art and the embodiments of the present invention. Obviously, the drawings described below are merely illustrative, and those skilled in the art can derive other drawings based on the provided drawings without inventive effort.

[0020] The structures, proportions, sizes, etc. illustrated in this specification are intended only to complement the contents disclosed herein and to facilitate understanding and reading by persons familiar with the art. They are not intended to limit the conditions under which the present invention may be implemented. Any structural modifications, changes in proportions, or adjustments in sizes shall remain within the scope of the technical contents disclosed herein without affecting the efficacy and objectives of the present invention.

[0021] Figure 1 This is a schematic structural diagram from a first perspective of an embodiment of the present invention;

[0022] Figure 2 This is a schematic structural diagram from a second perspective of an embodiment of the present utility model;

[0023] Figure 3 for Figure 2 Schematic diagram of the cross-sectional structure of the AA part;

[0024] Figure 4 This is a schematic diagram of the internal metal insert structure of an embodiment of the present utility model;

[0025] Figure 5 This is a schematic diagram of the internal filter structure of an embodiment of the present utility model.

[0026] Description of reference numerals:

[0027] 1. Shell; 2. First positioning hole; 3. Second positioning hole; 4. Reflection column; 5. Filter; 51. Filter housing; 52. Filter screen; 53. Annular filter insert; 54. Plug; 55. Fixing seat; 6. Limiting steel ring; 7. First O-ring; 8. Second O-ring; 9. Metal insert; 91. Annular pipe; 92. Connecting rib; 93. Connecting port; 94. Notch; 95. Annular groove; 10. Ultrasonic sensor mounting seat; 11. Temperature sensor mounting seat; 12. Reserved hole; 13. Limiting groove; 14. Medium flow direction indicator; 15. Third O-ring; 16. Ultrasonic sensor mounting hole; 17. Temperature sensor mounting hole. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of this application more clear, the following further describes this application in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0029] In the description of the present invention, unless otherwise specified, "plurality" means two or more. The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the present invention and the above-mentioned drawings are intended to distinguish the objects referred to. For schemes with a sequential flow, this terminology does not necessarily need to be understood as describing a specific order or sequence. For schemes with device structures, this terminology does not distinguish between importance, positional relationships, etc.

[0030] In addition, the terms "including", "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus that includes a series of steps or units is not necessarily limited to those steps or units that have been explicitly listed, but may also include other steps or units that are not explicitly listed but are inherent to these processes, methods, products or apparatuses, or steps or units that are added based on further optimization solutions conceived by the present invention.

[0031] like Figure 1-Figure 4 The figure shows a socket-type heat-resistant polyethylene filter 5 and an integrated ultrasonic heat meter base pipe section disclosed in the present invention, comprising a tubular housing 1, with two first positioning holes 2 spaced apart and communicating with the interior of the housing 1. A temperature sensor is further provided on one side of the housing 1 adjacent to one of the first positioning holes 2, and the temperature sensor is positioned upstream of the medium flow direction. A reflective column 4 is provided in the housing 1 at a position corresponding to the first positioning hole 2.

[0032] The shell 1 is made of heat-resistant and corrosion-resistant material, and a filter 5 is provided on the shell 1 pipe at the front end of the upstream first positioning hole 2; the filter 5 includes a tubular filter shell 51, one end of the filter shell 51 is connected to the bottom of the shell 1, and the axial direction of the filter shell 51 is set at a certain angle to the axial direction of the shell 1, and a filter screen 52 is provided inside the filter shell 51, and an annular filter insert 53 is provided on the inner side wall of the end of the filter shell 51 away from the shell 1, and a plug 54 is inserted into the inner wall of the annular filter insert 53, and the plug 54 is detachably connected to the annular filter insert 53. The filter shell 51 is made of heat-resistant polyethylene material, and the filter shell 51 and the shell 1 are integrally formed.

[0033] The shell of the ultrasonic heat meter base is made of heat-resistant and corrosion-resistant material. In this embodiment, heat-resistant polyethylene is used. The filter housing 51 of the filter 5 is also made of heat-resistant polyethylene. The housing 1 and the filter housing 51 are integrally provided, and the filter housing 51 is fixed at an angle to the bottom of the housing 1 so that the flow direction of the medium in the filter housing 51 is 45° (or 135°) to the flow direction of the medium in the housing 1. A filter screen 52 is provided inside the filter housing 51 to filter dirt and impurities in the medium. The filter screen 52 is a cylindrical structure. Since the filter housing 51 and the filter housing 51 are fixed at an angle to the bottom of the housing 1, the filter screen 52 is provided at an angle to the bottom of the housing 1. The shells 1 are arranged at 45 degrees, and the top part of the filter 52 extends into the interior of the shell 1. A fixing seat 55 is provided at the top of the shell. The edge of the top of the filter is in full contact with and fixed to the fixing seat 55, so that the shell 1 forms a structure for intercepting impurities at the filter 52. At the same time, the impurities fall into the interior of the filter housing below under the action of gravity, so that the impurities remain in the filter 5; a plug 54 is provided at the lower end of the filter housing 51 to seal the filter; the plug 54 is connected to the filter housing 51 by a detachable threaded structure, and the plug 54 is removed regularly to clean the filter 5.

[0034] The specific connection between the plug 54 and the filter housing 51 is as follows: an annular filter insert 53 is embedded in the inner side wall of the lower end of the filter housing 51. The inner side wall of the annular filter insert 53 has an internal thread structure, and a matching external thread structure is provided on the outer side wall of the plug 54, so that the plug 54 can be threadedly connected to the annular filter insert 53.

[0035] At the same time, in order to improve the strength of the filter housing 51, a limiting steel ring 6 is set at the position corresponding to the outer wall of the filter housing 51 and the annular filter insert 53. The limiting steel ring 6 is fixed on the filter housing 51 to prevent the filter housing 51 from being deformed at the connection between the plug 54 and the annular filter insert 53.

[0036] At the same time, in order to improve the sealing performance of the filter 5 , a first O-ring 7 is provided between the outer side of the annular filter insert 53 and the filter housing 51 , and a second O-ring 8 is provided between the plug 54 and the annular filter insert 53 .

[0037] The first O-ring 7 is arranged between the filter housing 51 and the annular filter insert 53, and the second O-ring 8 is arranged between the annular filter insert 53 and the plug 54. They can seal the end of the filter 5, collect impurities, and clean the impurities in the filter 5.

[0038] A metal insert 9 is provided between the inner wall and the outer wall of the shell 1. An ultrasonic sensor mounting seat is provided at the position of the metal insert 9 corresponding to the first positioning hole 2 on the shell 1. A temperature sensor mounting seat 11 is provided at the position of the metal insert 9 corresponding to the second positioning hole 3. A reserved hole 12 is opened at the position corresponding to the reflective column 4 on the shell 1. A limiting groove 13 is provided at the position corresponding to the metal insert 9, the reserved hole 12 and the reflective column 4 for fixing the reflective column 4.

[0039] Both ends of the housing 1 and the end of the filter housing 51 away from the housing 1 are provided with smooth socket-type structures, which can be welded to heat-resistant polyethylene pipes and fittings by electric melting or hot melting.

[0040] A medium flow direction indicator 14 is provided on the outer side wall of the housing 1 .

[0041] The shape of the above-mentioned housing 1 is roughly the same as that of a conventional ultrasonic heat meter base. The first positioning hole 2 and the second positioning hole 3 on the housing 1 are conventionally arranged. The second positioning hole 3 is arranged on the side of the first positioning hole 2 located downstream of the medium flow. The reflective column 4 is arranged inside the housing 1 and corresponds to the position of the first positioning hole 2. Taking the position of the first positioning hole 2 as the top of the housing 1 as an example, the reflective column 4 is fixedly installed at the bottom of the inner wall of the housing 1;

[0042] The shell 1 is made of heat-resistant polyethylene. The inner wall of the pipe section will not produce scale, will not affect the signal transmission of the heat meter, and has higher measurement accuracy. A metal insert 9 is set in the wall thickness of the shell 1. The metal insert 9 and the shell 1 are made in an integral molding manner. The metal insert 9 is directly molded inside the wall thickness of the shell 1; the metal insert 9 is mainly installed at the positions of the two ultrasonic sensors, and an ultrasonic sensor mounting seat 10 and a temperature sensor mounting seat 11 are set on the metal insert 9 to install the ultrasonic sensor and the temperature sensor. An ultrasonic sensor mounting hole 16 is opened in the ultrasonic sensor mounting seat 10, and the ultrasonic sensor is fixed in the mounting hole; a temperature sensor mounting seat 11 is opened A temperature sensor mounting hole 17, the temperature sensor is fixed in the mounting hole, and at the same time, the metal insert 9 also serves as a fixing structure of the reflector column 4 to fix the reflector column 4. Compared with the conventional metal ultrasonic heat meter base, the present application adopts heat-resistant and corrosion-resistant materials to make the reflector column 4. The reflector column 4 cannot be welded and fixed to the shell 1, so a reserved hole 12 is opened at the bottom of the shell 1. The depth of the reserved hole 12 is opened to the metal insert 9 in the wall thickness of the shell 1, and a limiting groove 13 is opened on the metal insert 9. The reflector column 4 is inserted into the limiting groove 13 from the reserved hole 12 and fixed. The reflector column 4 and the metal insert 9 can be fixed by welding or other methods.

[0043] In a further embodiment, in order to prevent water seepage between the housing 1 and the metal insert 9 , a third O-ring 15 is provided between the ultrasonic sensor mounting base and the wall of the first positioning hole 2 of the housing 1 .

[0044] The housing 1 and the metal insert 9 are sealed.

[0045] Furthermore, the metal insert 9 includes two annular pipes 91, the ultrasonic sensor mounting seat 10 is fixedly connected to the annular pipes 91, and the temperature sensor mounting seat 11 is fixed to one side of one of the annular pipes 91. The two annular pipes 91 are placed inside the housing 1, and the ultrasonic sensor mounting seat 10 corresponds to the first positioning hole 2, and the temperature sensor mounting seat 11 corresponds to the second positioning hole 3;

[0046] The two annular pipes 91 are connected and fixed by a plurality of connecting ribs 92 distributed in a circumferential array, and a connecting port 93 is formed between two adjacent connecting ribs 92 .

[0047] The specific structure of the metal insert 9 is two annular pipes, which are respectively arranged at the positions of the two ultrasonic sensors for installing the ultrasonic sensors;

[0048] In addition, in order to improve the tightness of the connection between the metal insert 9 and the housing 1, a connecting rib 92 is provided between the two annular pipes 91. The two ends of the connecting rib 92 connect the two annular pipes 91. The connecting rib 92 and the annular pipes 91 are integrally formed. The connecting ribs 92 are distributed in a circumferential array between the annular pipes 91 and are spaced apart between adjacent connecting ribs 92. Connecting ports 93 are formed in the gaps. During the process of integrally forming the housing 1 and the metal insert 9, the housing 1 can be integrally formed inside and outside the connecting ports 93.

[0049] At the same time, in order to further improve the tightness of the connection, a stepped notch 94 is provided at the end of the annular pipe 91 .

[0050] A stepped notch 94 is provided at the outer ends of the two annular pipes 91. During the integral molding process with the housing 1, a staggered tooth-like structure is formed between the housing 1 and the annular pipes 91, thereby increasing the tightness and stability of the connection.

[0051] An inwardly recessed annular groove 95 may also be provided on the outer side wall of the annular pipe 91 .

[0052] The annular groove 95 is recessed toward the inner side of the pipe. During the process of being integrally formed with the housing 1 , the housing 1 forms a clamping ring in the annular groove 95 and is clamped in the groove.

[0053] A medium flow direction indicator 14 is provided on the outer side wall of the housing 1 .

[0054] A medium flow direction indicator 14 is provided on the outer side wall of the housing 1 to remind the user of the installation direction and the medium flow direction in the pipe section during installation.

[0055] In a further embodiment, both ends of the shell 1 are configured as smooth socket structures, which can be socket-welded with heat-resistant polyethylene pipes and fittings by electric melting or hot melting.

[0056] The two ends of the pipe section housing 1 are set as a socket structure, which can be welded with heat-resistant polyethylene pipes and pipe fittings by electric melting or hot melting, and the sealing effect is better.

[0057] Compared with the existing heat meter, the utility model has the following advantages:

[0058] 1) A filter is installed in front of the heat meter base to prevent dirt and impurities from accumulating in the heat meter base measurement pipe section, thereby improving the heat meter measurement accuracy;

[0059] 2) The base meter shell is made of heat-resistant polyethylene, so scale will not form on the inner wall of the pipe section, which will not affect the signal transmission of the heat meter and has higher measurement accuracy;

[0060] 3) The inner wall of the filter and base shell are made of heat-resistant polyethylene, which is corrosion-resistant and has a longer service life;

[0061] 4) The pipe-mounted parts on both sides of the integrated pipe section of the filter and ultrasonic heat meter base adopt a socket-type design, which can be welded with heat-resistant polyethylene pipes and fittings by electric fusion or hot fusion socket welding, with better sealing effect;

[0062] 5) The filter and ultrasonic heat meter base are designed as one, which reduces the installation process during construction and thus reduces construction costs;

[0063] 6) The filter and ultrasonic heat meter base are integrated into one design, which reduces the leakage points between the filter and the heat meter;

[0064] 7) All parts can be produced by mold, which has higher production efficiency and lower cost.

[0065] The above specific embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.

[0066] The technical features of the above embodiments can be combined arbitrarily (as long as there is no contradiction in the combination of these technical features). In order to make the description concise, not all possible combinations of the technical features in the above embodiments are described; these embodiments that are not explicitly written should also be considered to be within the scope of this specification.

[0067] The above description of the present invention is relatively specific and detailed through a general explanation and specific embodiments. It should be noted that variations and modifications to these specific embodiments are possible without departing from the spirit of the present invention, and all such variations and modifications fall within the scope of protection of this application. Therefore, the scope of protection of this patent application shall be determined by the appended claims.

Claims

1. A socket-type heat-resistant polyethylene filter and ultrasonic heat meter base integrated pipe section, characterized by: The invention comprises a tubular shell, wherein two first positioning holes communicating with the interior of the shell are provided on the shell at intervals, a temperature sensor is provided on one side of the shell of one of the first positioning holes, and the temperature sensor is located upstream of the medium flow direction, and a reflective column is provided at a position corresponding to the first positioning hole in the shell; the invention is characterized in that: The shell is made of heat-resistant and corrosion-resistant material, and a filter is provided on the shell pipe at the front end of the first positioning hole upstream; the filter includes a tubular filter shell, one end of the filter shell is connected to the bottom of the shell, and the axial direction of the filter shell is set at a certain angle to the axial direction of the shell, a filter screen is provided inside the filter shell, and an annular filter insert is provided on the inner side wall of the end of the filter shell away from the shell, a plug is inserted into the inner wall of the annular filter insert, and the plug is detachably connected to the annular filter insert, the filter shell is made of heat-resistant polyethylene material, and the filter shell and the shell are integrally formed.

2. The socket-type heat-resistant polyethylene filter and ultrasonic heat meter base integrated pipe section according to claim 1, characterized in that: The flow direction of the medium inside the filter housing and the flow direction of the medium inside the shell are arranged at an angle of 45 degrees.

3. The socket-type heat-resistant polyethylene filter and ultrasonic heat meter base integrated pipe section according to claim 1, characterized in that: An annular limiting steel ring is provided at a position of the outer wall of the filter housing corresponding to the annular filter insert, and the limiting steel ring is fixed on the outer wall of the filter housing.

4. The socket-type heat-resistant polyethylene filter and ultrasonic heat meter base integrated pipe section according to claim 3, characterized in that: A first O-ring is provided between the outer side of the annular filter insert and the filter housing.

5. The socket-type heat-resistant polyethylene filter and ultrasonic heat meter base integrated pipe section according to claim 3, characterized in that: A second O-ring is provided between the plug and the annular filter insert.

6. The socket-type heat-resistant polyethylene filter and ultrasonic heat meter base integrated pipe section according to claim 1, characterized in that: A metal insert is provided between the inner wall and the outer wall of the shell, an ultrasonic sensor mounting seat is provided at a position of the metal insert corresponding to the first positioning hole on the shell, a temperature sensor mounting seat is provided at a position of the metal insert corresponding to the second positioning hole, a reserved hole is opened at a position corresponding to the reflective column on the shell, and a limiting groove is provided at a position of the metal insert corresponding to the reserved hole and the reflective column for fixing the reflective column.

7. The socket-type heat-resistant polyethylene filter and ultrasonic heat meter base integrated pipe section according to claim 1, characterized in that: Both ends of the shell and the end of the filter housing away from the shell are provided with smooth socket-type structures, which can be welded with heat-resistant polyethylene pipes and pipe fittings by electric melting or hot melting.

8. The socket-type heat-resistant polyethylene filter and ultrasonic heat meter base integrated pipe section according to claim 7, characterized in that: The outer side wall of the shell is provided with a medium flow direction indicator.

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