CN217209883U - Observation module for a heat exchanger - Google Patents

Abstract

The present application relates to an observation module for a heat exchanger. There is provided a viewing module for a heat exchanger, the viewing module comprising: the transparent box body is provided with a water flow channel; and the connecting pipe group comprises two connecting pipes, one end of one connecting pipe is connected to the inlet end of the water flow channel, the other end of the connecting pipe is used for being connected to the water outlet interface on one side of the heat exchanger, one end of the other connecting pipe is connected to the outlet end of the water flow channel, and the other end of the other connecting pipe is used for being connected to the water inlet interface on one side of the heat exchanger. The number, the size and other conditions of bubbles generated by fluid in a pipeline of the heat exchanger in the heat exchange process can be observed, the main source of noise and the specific conditions such as the reason of the generated noise during the operation of the water heater can be known, so that the noise caused by the bubbles can be reduced by adopting corresponding measures according to the observed conditions of the bubbles in the later period, and the noise reduction reliability of the water heater is improved.

Description

Observation module for a heat exchanger

Technical Field

The present application relates to the field of water heater technology, and more particularly, to an observation module for a heat exchanger.

Background

In the conventional water heater, noise is transmitted from the heat exchanger during the use process, but specific conditions about the source or the generation reason of the noise and the like are difficult to know.

Disclosure of Invention

Based on this, it is necessary to provide an observation module for a heat exchanger in response to a problem that it is difficult to know details about the source or cause of noise.

According to one aspect of the present application, there is provided a viewing module for a heat exchanger, the viewing module comprising:

the transparent box body is provided with a water flow channel;

and the connecting pipe group comprises two connecting pipes, one end of one connecting pipe is connected to the inlet end of the water flow channel, the other end of the connecting pipe is used for being connected to the water outlet interface on one side of the heat exchanger, one end of the other connecting pipe is connected to the outlet end of the water flow channel, and the other end of the other connecting pipe is used for being connected to the water inlet interface on one side of the heat exchanger, so that the water flow channel is positioned on the flow path of fluid in the pipeline of the heat exchanger.

In one embodiment, a temperature probe is arranged on the connecting pipe.

In one embodiment, the transparent box comprises a plurality of water flow channels;

the observation module comprises a plurality of groups of connecting pipe groups which correspond to the water flow channels one to one.

In one embodiment, the connecting tube is fitted to the water flow passage.

In one embodiment, one end of the connecting pipe connected to the water flow channel is provided with a first joint;

the transparent box body is provided with a slot which is communicated with one end of the water flow channel close to the connecting pipe and is used for accommodating the first joint;

and a sealing ring is arranged between the first joint and the side wall of the slot.

In one embodiment, the first joint is provided with a boss;

the slot is provided with a step surface facing the boss, so that when the first joint extends into the slot, the boss abuts against the step surface along the central axis direction of the slot.

In one embodiment, the device further comprises a bolt;

the transparent box body is provided with a bolt hole which is used for the bolt to pass along a first direction and is positioned on the outer side of the step surface, so that the bolt can be limited on the outer side of the boss;

the first direction is parallel to the step surface and perpendicular to the central axis direction of the slot.

In one embodiment, the transparent box body is provided with two bolt holes positioned at two radial sides of each connecting pipe;

the two bolt holes are symmetrically distributed by taking the central axis direction of the corresponding slot as a reference.

In one embodiment, the transparent box body is provided with a limiting part which is positioned at one side of the bolt hole along the first direction, and the limiting part is limited at one side of the bolt along the first direction.

In one embodiment, the limiting part is provided with a limiting groove facing the bolt hole, so that one end of the bolt penetrating through the bolt hole abuts against the limiting groove.

Above-mentioned an observation module for heat exchanger, when this observation module used, the fluid in the pipeline of heat exchanger can pass through this rivers passageway, so, can follow outside the transparent box clearly observe the inside condition of rivers passageway, can observe the condition such as quantity and size of the bubble that the fluid in the pipeline of heat exchanger produced in the heat transfer process, help knowing the water heater main source of noise and the specific conditions such as reason that produces the noise when operation to can take corresponding means and reduce the noise that the bubble produced according to the bubble condition of observing in the later stage, and improve the reliability that the water heater made an uproar falls.

Drawings

FIG. 1 illustrates a schematic view of a viewing module for a heat exchanger in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a transparent case according to an embodiment of the present application;

FIG. 3 illustrates a schematic structural view of a heat exchanger and viewing module in one embodiment of the present application;

FIG. 4 shows a partial structural schematic of FIG. 1;

fig. 5 illustrates a side view of a viewing module for a heat exchanger in an embodiment of the present application.

In the figure: 10. an observation module; 110. a transparent box body; 111. a slot; 1111. a step surface; 112. a pin hole; 113. a limiting part; 1131. a limiting groove; 1132. an installation part; 114. a transparent viewing tube; 115. observing the pipe joint; 1101. a water flow channel; 120. a connecting pipe; 121. a first joint; 1211. a containing groove; 1212. a boss; 122. a seal ring; 123. a bolt; 124. a second joint; 125. a temperature probe; 20. a heat exchanger; 210. a pipeline; 211. a water outlet interface; 212. a water inlet interface; 213. and connecting the bent pipe.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In the process of using the traditional water heater, noise is transmitted from the heat exchanger, but specific conditions about the main source and the reason of the noise cannot be known.

This application discovers through the research, and the noise that heat exchanger spreads is the noise that fluid in the heat exchanger produced bubble and destroys and send in heat transfer process, and heat exchanger is red copper and/or stainless steel material generally, and these two kinds of materials are all opaque, lead to the technical staff can't observe the hot concrete condition inside the heat exchanger.

In order to solve the problem that the specific conditions of the cause of the noise and the like are difficult to be known, the inventor has found through intensive research that a transparent box body is needed to be designed, and a water flow channel for the fluid in the heat exchanger to pass through is designed on the transparent box body, so that the fluid in the heat exchanger can pass through the water flow channel, the number, the size and the like of bubbles generated in the heat exchange process of the fluid in the heat exchanger can be observed, the specific conditions of the cause of the noise and the like can be further known, so that the noise caused by the bubbles can be reduced by adopting corresponding means according to the observed conditions of the bubbles at a later stage, and the noise reduction reliability of the water heater can be improved,

fig. 1 shows a schematic structural view of a viewing module 10 for a heat exchanger 20 in an embodiment of the present application, and fig. 2 shows a schematic structural view of a transparent box 110 in an embodiment of the present application.

In some embodiments, and optionally referring to fig. 1 and 2, a viewing module 10 for a heat exchanger 20 provided by an embodiment of the present application includes a transparent cartridge 110, a water channel 1101, and a set of connection tubes.

Referring to fig. 3, the transparent case 110 has a water passage 1101, and the connection pipe set includes two connection pipes 120. One end of a connection pipe 120 is connected to an inlet end of the water flow path 1101, the other end of the connection pipe 120 is adapted to be connected to an outlet port 211 of a side of the heat exchanger 20, one end of another connection pipe 120 is connected to an outlet end of the water flow path 1101, and the other end of the another connection pipe 120 is adapted to be connected to an inlet port 212 of a side of the heat exchanger 20, so that the water flow path 1101 is located on a flow path of fluid in the pipe 210 of the heat exchanger 20.

It should be noted that the heat exchanger 20 includes a pipeline 210, the pipeline 210 includes an inlet pipe and an outlet pipe, and a heat exchange pipeline located between the inlet pipe and the outlet pipe, the water outlet port 211 and the water inlet port 212 are both disposed on the heat exchange pipeline, generally, the water outlet port 211 and the water inlet port 212 are connected by a connection elbow 213, and the water flow channel 1101 is located on a flow path of a fluid in the pipeline 210 of the heat exchanger 20, that is, the water flow channel 1101 is located on a flow path of a fluid flowing from the inlet pipe to the outlet pipe.

When the observation module 10 is used, the connection elbow 213 can be removed, the other end of the connection pipe 120 connected to the inlet end of the water flow channel 1101 can be connected to the water outlet port 211, and the other end of the connection pipe 120 connected to the outlet end of the water flow channel 1101 can be connected to the water inlet port 212 (as shown in fig. 3), so that the fluid in the pipeline 210 of the heat exchanger 20 can pass through the water flow channel 1101 and then return to the pipeline 210 of the heat exchanger 20 from the water flow channel 1101, the internal condition of the water flow channel 1101 can be clearly observed from the outside of the transparent box body 110, the number, the size and other conditions of bubbles generated in the heat exchange process of the fluid in the pipeline 210 of the heat exchanger 20 can be observed, the main sources of noise and specific conditions of noise generation and the like during the operation of the water heater can be known, and corresponding measures can be taken according to the observed conditions of bubbles to reduce the noise generated by the bubbles at a later time, and the reliability of noise reduction of the water heater is improved.

In some embodiments, optionally, a temperature probe 125 is disposed on the connection pipe 120, and the temperature probe 125 is used for obtaining a temperature value of the fluid flowing out of the pipe 210 of the heat exchanger 20. When the observation module 10 is used, the fluid in the pipeline 210 of the heat exchanger 20 can pass through the water flow channel 1101, and then returns to the pipeline 210 of the heat exchanger 20 from the water flow channel 1101, in the process, the number, the size and other conditions of bubbles generated by the fluid flowing out of the pipeline 210 of the heat exchanger 20 can be observed under different temperature sections, so that corresponding measures can be adopted according to the observed conditions of the bubbles to reduce noise caused by the bubbles generated at each temperature section at a later period, and the noise reduction reliability of the water heater is improved.

Specifically, the high-speed camera may be used to observe the number and size of bubbles generated by the fluid flowing out of the line 210 of the heat exchanger 20.

In some embodiments, the connection tube 120 is optionally tightly connected to the water flow channel 1101, so as to avoid water leakage at the connection between the connection tube 120 and the water flow channel 1101, and improve the reliability of the observation module 10.

In some embodiments, optionally, referring to fig. 2 and 3, the transparent box 10 includes a plurality of water flow channels 1101, and the observation module 10 includes a plurality of sets of connection tubes corresponding to the water flow channels 1101 in a one-to-one correspondence. Correspondingly, the pipe 210 of the heat exchanger 20 includes a plurality of water outlet ports 211 and a plurality of water inlet ports 212 corresponding to the water outlet ports 211.

In this way, the number, size and other conditions of bubbles generated by the fluid flowing out of different parts of the pipeline 210 can be observed respectively, so that corresponding measures can be taken according to the observed conditions of the bubbles in the later period to reduce the noise caused by the bubbles in each temperature section, and the reliability of noise reduction of the water heater is improved.

In some embodiments, optionally referring to fig. 1 in combination with fig. 4, the end of the connection pipe 120 connected to the water flow channel 1101 is provided with a first connector 121, the transparent box body 110 is provided with a slot 111 communicated with the end of the water flow channel 1101 close to the connection pipe 120 and used for accommodating the first connector 121, and a sealing ring 122 is arranged between the first connector 121 and the slot 111.

The first joint 121 is inserted into the insertion groove 111, and the first joint 121 is tightly coupled to the water flow path 1101 by the packing 122 between the first joint 121 and the side wall of the insertion groove 111, so that the connection pipe 120 is tightly coupled to the water flow path 1101.

Optionally, the end of the connecting tube 120 connected to the water flow channel 1101 is welded to the first joint 121, so that the first joint 121 can be sealed to the connecting tube 120, thereby improving the sealing performance of the observation module 10.

In some embodiments, optionally, referring to fig. 4, an end of the first joint 121 extending into the slot 111 is recessed with a receiving groove 1211 for receiving the sealing ring 122, and a central axis of the receiving groove 1211 coincides with a central axis of the slot 111. The sealing ring 122 may be confined in the containing groove 1211, or the sealing ring 122 may be coaxially disposed between the first joint 121 and the slot 111, so that the sealing ring 122 may be stably disposed between the first joint 121 and the slot 111, thereby improving the sealing reliability of the observation module 10.

In some embodiments, optionally, referring to fig. 1 and fig. 2, the first connector 121 is provided with a boss 1212, and the slot 111 has a step surface 1111 facing the boss 1212, so that when the first connector 121 extends into the slot 111, the boss 1212 abuts against the step surface 1111 along the central axis direction of the slot 111. The first tab 121 and the socket 111 can be engaged with each other by the boss 1212 and the step surface 1111, so as to improve the connection between the first tab 121 and the socket 111, and to some extent, the sealing reliability of the observation module 10.

In some embodiments, optionally, referring to fig. 1, fig. 2 and fig. 4, the observation module 10 further includes a latch 123, and the transparent box body 110 is provided with a first direction F for the latch 123 to extend along ₁ The bolt 123 can be limited outside the boss 1212 by the bolt hole 112 located outside the step surface 1111. Wherein the first direction F ₁ Parallel to the step surface 1111 and perpendicular to the central axis direction of the insertion groove 111. After the first connector 121 extends into the slot 111, the pin 123 can be inserted into the pin hole 112, so that the boss can be inserted into the pin hole1212 is located between the step surface 1111 and the plug 123 to prevent the first connector 121 from moving outward and being separated from the slot 111, thereby further improving the reliability of the observation module 10.

In some embodiments, optionally, referring to fig. 1, fig. 2 and fig. 4, two pin holes 112 are disposed on the transparent box body 110 at two radial sides of each connecting tube 120, and the two pin holes 112 are symmetrically distributed with respect to the central axis direction of the corresponding slot 111. After the first joint 121 extends into the slot 111, the two pins 123 can correspondingly pass through the two pin holes 112, so that the two pins 123 can be used to better prevent the first joint 121 from moving outwards and being separated from the slot 111.

In some embodiments, referring to fig. 1 in combination with fig. 5, the transparent case 110 is provided with a first direction F at the pin hole 112 ₁ A position-limiting part 113 at one side, the position-limiting part 113 being limited by the pin 123 along the first direction F ₁ To one side of (a). The plug 123 can be driven along a first direction F toward the limiting portion 113 ₁ Penetrates through the pin hole 112 and abuts against the limiting part 113 to limit the pin 123 along the first direction F ₁ Is moved.

In some embodiments, referring to fig. 5, the position-limiting portion 113 has a position-limiting groove 1131 facing the pin hole 112, so that one end of the pin 123 passing through the pin hole 112 abuts against the position-limiting groove 1131. Thus, the end of the pin 123 penetrating through the pin hole 112 is fixed by the limiting groove 1131, and the pin 123 is prevented from being loosened.

In some embodiments, referring to fig. 5, the mounting portion 1132 is disposed on the position-limiting portion 113, and the mounting portion 1132 of the position-limiting portion 113 can be integrally connected to the transparent case 110 to prevent the position-limiting portion 113 from being released.

In other embodiments, the mounting portion 1132 of the position-limiting portion 113 is detachably connected to the transparent case 110, and the position of the position-limiting portion 113 can be correspondingly adjusted according to the pin hole 112, so that the pin 123 can be fixed by the position-limiting portion 113.

Alternatively, referring to fig. 1, the end of the connection pipe 120 away from the water flow path 1101 is provided with a second connector 124 connected to the pipe 210, so as to be distributed and connected to the water flow path 1101 and the pipe 210 of the heat exchanger 20 by using the connection pipe 120.

Alternatively, referring to fig. 1, the second connector 124 is provided with a temperature probe mounting hole so as to mount the temperature probe 125 to the temperature probe mounting hole.

Optionally, referring to fig. 1 and 2, a transparent observation tube 114 is disposed in the transparent box body 110, and a water flow channel 1101 is formed in the transparent observation tube 114, specifically, the transparent observation tube 114 is U-shaped.

Alternatively, both ends of the transparent observation tube 114 are respectively provided with observation tube joints 115 communicating with the transparent observation tube 114, and the insertion groove 111 is formed in the observation tube joints 115.

Alternatively, the number of the connection pipes 120 may be set according to the number of the water flow channels 1101, the number of the water flow channels 1101 may be determined according to actual needs, and specifically, the number of the water flow channels 1101 may be increased or decreased according to actual conditions of the heat exchanger 20, so that the internal conditions of the water flow channels 1101 can be clearly observed from the outside of the transparent box body 110 by using the water flow channels 1101.

The connection pipe 120 may be a stainless steel connection pipe or a woven pipe such that the connection pipe 120 has a flexible property, and the interval between the second joints 124 of two connection pipes 120 connected to the same water flow path 1101 may be adjusted according to different heat exchangers 20 to be adapted to the corresponding heat exchangers 20.

In some embodiments, referring to fig. 1, the number of water flow channels 1101 is two, both water flow channels 1101 are located in the flow path of the fluid in the tube 210 of the heat exchanger 20, thus, the fluid in the pipe 210 of the heat exchanger 20 can pass through one of the water flow channels 1101, then return to the pipe 210, pass through the other water flow channel 1101, and then return to the pipe 210, and each connecting pipe 120 is provided with a temperature probe 125, thus, the interior of the two water flow channels 1101 can be clearly observed from the outside of the transparent case 110, and observing the quantity and size of bubbles generated by the fluid flowing out of the pipe 210 of the heat exchanger 20 at different temperature stages, therefore, the noise caused by the bubbles in each temperature section can be reduced by adopting corresponding means according to the observed bubble conditions in the later period, the noise reduction reliability of the water heater can be improved, and the research and development efficiency of the water heater can be improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, and these are all within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. An observation module for a heat exchanger, characterized in that said observation module (10) comprises:

a transparent cartridge (110), the transparent cartridge (110) having a water flow channel (1101);

and the connecting pipe group comprises two connecting pipes (120), one end of one connecting pipe (120) is connected to the inlet end of the water flow channel (1101), the other end of the connecting pipe (120) is used for being connected to the water outlet interface (211) on one side of the heat exchanger (20), one end of the other connecting pipe (120) is connected to the outlet end of the water flow channel (1101), and the other end of the other connecting pipe (120) is used for being connected to the water inlet interface (212) on one side of the heat exchanger (20), so that the water flow channel (1101) is positioned on the flow path of the fluid in the pipeline (210) of the heat exchanger (20).

2. Viewing module for a heat exchanger according to claim 1, characterized in that a temperature probe (125) is provided on the connection tube (120).

3. The viewing module for a heat exchanger according to claim 1, wherein the transparent box (110) comprises a plurality of said water flow channels (1101);

the observation module (10) comprises a plurality of groups of connecting pipe sets in one-to-one correspondence with the water flow channels (1101).

4. The viewing module for a heat exchanger according to claim 1, wherein the connecting tube (120) is fitted to the water flow channel (1101).

5. The viewing module for a heat exchanger according to claim 4, wherein one end of the connection pipe (120) connected to the water flow channel (1101) is provided with a first joint (121);

the transparent box body (110) is provided with a slot (111) which is communicated with one end of the water flow channel (1101) close to the connecting pipe (120) and is used for accommodating the first joint (121);

and a sealing ring (122) is arranged between the first joint (121) and the side wall of the slot (111).

6. Observation module for a heat exchanger according to claim 5, wherein the first joint (121) is provided with a boss (1212);

the insertion groove (111) is provided with a step surface (1111) facing the boss (1212), so that when the first connector (121) extends into the insertion groove (111), the boss (1212) abuts against the step surface (1111) along the central axis direction of the insertion groove (111).

7. A viewing module for a heat exchanger according to claim 6, further comprising a latch (123);

the transparent box body (110) is provided with a bolt hole (112) which is used for the bolt (123) to pass through along a first direction and is positioned on the outer side of the step surface (1111), so that the bolt (123) can be limited on the outer side of the boss (1212);

wherein the first direction is parallel to the step surface (1111) and perpendicular to a central axis direction of the insertion groove (111).

8. The viewing module for a heat exchanger according to claim 7, wherein the transparent case (110) is provided with two of the latch holes (112) at both radial sides of each of the connection pipes (120);

the two bolt holes (112) are symmetrically distributed by taking the central axis direction of the corresponding slot (111) as a reference.

9. The viewing module for a heat exchanger according to claim 7, wherein the transparent case (110) is provided with a position-limiting portion (113) at one side of the latch hole (112) in the first direction, and the position-limiting portion (113) is limited at one side of the latch (123) in the first direction.

10. The viewing module for a heat exchanger according to claim 9, wherein the position-limiting portion (113) has a position-limiting groove (1131) facing the pin hole (112) so that an end of the pin (123) passing through the pin hole (112) abuts against the position-limiting groove (1131).

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