CN219977179U - Heat exchanger - Google Patents

Abstract

The utility model discloses a heat exchanger, which comprises a heat exchange assembly, wherein the heat exchange assembly comprises a water tank and heat exchange pipes arranged in the water tank, two ends of each heat exchange pipe penetrate through the side wall of the water tank to extend out of the water tank, the water tank comprises a base plate provided with a heat exchange channel and a cover plate covered on the heat exchange channel, the heat exchange pipes are paved in the heat exchange channel, the heat exchanger is formed by overlapping two heat exchange assemblies, the heat exchange channels of the two heat exchange assemblies are communicated, and meanwhile, the heat exchange pipes of the two heat exchange assemblies are communicated. According to the utility model, the heat exchanger is formed by overlapping the two heat exchange components, and in the heat exchanger with smaller volume, the double-layer heat exchange components greatly prolong the lengths of the heat exchange tubes and the heat exchange channels in the heat exchanger, so that the heat exchange efficiency of the heat exchanger is improved, the constant temperature of hot water output by the heat exchange tubes is ensured, the use requirement of a user is met, and the use experience of the user is improved.

Description

Heat exchanger

Technical Field

The utility model relates in particular to a heat exchanger.

Background

At present, although the heat exchanger can improve the heat exchange efficiency between the heat exchange tube and the outside and reduce the water flow temperature in the heat exchange tube to the required temperature, because the flow channel for heat exchange in the existing heat exchanger is shorter, when a large amount of water flows through the heat exchange tube, the water flow passing through the heat exchange tube at the later stage cannot be reduced to the same temperature with the water flow passing through the heat exchange tube at the earlier stage, so that the temperature of hot water output by the heat exchange tube cannot be kept constant, and the use experience of a user is poor.

Disclosure of Invention

The present utility model is directed to a heat exchanger, which solves at least one of the above problems.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a heat exchanger, includes heat exchange assembly, heat exchange assembly includes the water tank and locates the heat exchange tube in the water tank, and the lateral wall of water tank is passed at the both ends of heat exchange tube is in order to stretch out to the water tank, and the water tank is including the base plate that is equipped with heat transfer passageway and the apron of lid on heat transfer passageway, and the heat exchange tube is laid in heat transfer passageway, and heat exchanger is formed by two heat exchange assembly coincide, and the heat transfer passageway of two heat exchange assembly communicates, and the heat exchange tube of two heat exchange assembly communicates simultaneously.

In the heat exchanger, the base plate is provided with the water collecting tank, the water collecting tank is internally provided with the plurality of clapboards which are arranged in parallel and staggered, one end of each baffle is connected with the inner wall of the water collecting tank so as to form an S-shaped heat exchange channel on the base plate, and the heat exchange tube is bent around the other end of each baffle so as to be matched with the heat exchange channel.

In the heat exchanger, the connection part of the partition plate and the base plate is provided with the supporting feet respectively connected with the partition plate and the base plate, and the supporting feet are propped against the outer side wall of the heat exchange tube so as to support the heat exchange tube.

In the heat exchanger, the heat exchange tube comprises a corrugated tube positioned in the heat exchange channel and smooth joints arranged at two ends of the corrugated tube, and the substrate is provided with a mounting hole at a position corresponding to the smooth joints, and the smooth joints are in sealing connection in the mounting hole.

In the heat exchanger, a sealing ring propped against the inner wall of the mounting hole is sleeved outside the smooth joint, a clamping ring tightly clasping the smooth joint is arranged on the outer side of the base plate, and the clamping ring is propped against the outer peripheral side of the mounting hole.

In the above heat exchanger, two water receiving pipes are arranged on the outer side wall of the water tank, the two water receiving pipes are respectively communicated with the head end and the tail end of the heat exchange channel, and the water receiving pipes and the heat exchange pipes are respectively arranged on the two adjacent side walls of the water tank.

In the above heat exchanger, a plurality of support ribs are provided on opposite surfaces of two heat exchange components, and a heat dissipation channel penetrating through the heat exchanger is formed between two adjacent support ribs.

In the above heat exchanger, the heat exchanger further includes a cooling fan disposed at a side portion of the heat exchange assembly, and an air outlet of the cooling fan is disposed toward the cooling channel.

In the above heat exchanger, the heat exchanger further comprises a heat dissipation plate, and the heat dissipation plate is arranged between the two heat exchange assemblies.

In the above-mentioned heat exchanger, the heating panel includes the plate body of clamp between two heat exchange assemblies and locates the fin of plate body both sides, and fin laminating is in the lateral part of heat exchange assembly.

The beneficial effects of the utility model are as follows:

the utility model provides a heat exchanger, includes heat exchange assembly, heat exchange assembly includes the water tank and locates the heat exchange tube in the water tank, and the lateral wall of water tank is passed at the both ends of heat exchange tube is in order to stretch out to the water tank, and the water tank is including the base plate that is equipped with heat transfer passageway and the apron of lid on heat transfer passageway, and the heat exchange tube is laid in heat transfer passageway, and heat exchanger is formed by two heat exchange assembly coincide, and the heat transfer passageway of two heat exchange assembly communicates, and the heat exchange tube of two heat exchange assembly communicates simultaneously. The technical scheme has the following technical effects:

according to the utility model, the heat exchanger is formed by overlapping the two heat exchange assemblies, the double-layer heat exchange assembly is realized, and the heat exchange pipes of the two heat exchange assemblies are communicated, and the heat exchange channels of the two heat exchange assemblies are communicated, so that the heat exchanger of the double-layer heat exchange assembly only needs one hot water inlet and one cold water inlet, and a plurality of hot water or cold water waterways are not required to be connected, thereby simplifying the waterway. In the heat exchanger of less volume, double-deck heat exchange component has prolonged the length of heat exchange tube and heat transfer passageway in the heat exchanger greatly, and when hot water passed through the heat exchange tube in two heat exchange components in proper order, hot water in the heat exchange tube can carry out abundant heat exchange with the cold water in the heat transfer passageway to reduce the hot water in the heat exchange tube to the temperature of needs, improve heat exchange efficiency of heat exchanger, guarantee the hot water temperature constancy of heat exchange tube output, in order to satisfy user's user demand, improve user's user experience. The two heat exchange assemblies are arranged in a split mode, when any heat exchange assembly is damaged, the heat exchange assembly can be maintained and replaced independently, and maintenance and replacement cost is reduced.

Be equipped with the water catch bowl on the base plate, be equipped with a plurality of baffles in the water catch bowl, a plurality of baffles parallel dislocation set, and the one end of baffle links to each other with the inner wall of water catch bowl to form the heat transfer passageway of S type on the base plate, the heat exchange tube is buckled in order to adapt with the heat transfer passageway around the other end of baffle, and the heat transfer passageway of S type is separated into with the water catch bowl to the baffle, has prolonged heat exchange length between heat exchange tube and the heat transfer passageway, has improved the heat transfer effect of heat transfer subassembly.

The joint of the partition plate and the base plate is provided with supporting feet respectively connected with the partition plate and the base plate, and the supporting feet are propped against the outer side wall of the heat exchange tube so as to support the heat exchange tube. When the apron lid closes on the water catch bowl, one side and the apron of heat exchange tube offset, the opposite side offsets with the supporting leg, and apron and supporting leg press from both sides tight heat exchange tube jointly promptly to support and spacing the heat exchange tube in the heat exchange channel, make and form the water clearance between periphery side and the baffle of heat exchange tube, make the cold water in the heat exchange channel form the parcel to the heat exchange tube, so that cold water carries out abundant heat exchange with the hot water in the heat exchange tube, improve heat exchange efficiency, simultaneously, the supporting leg can also strengthen the junction of baffle and base plate, guarantee that the installation of baffle is stable, prevent that the baffle from taking place the slope, guarantee the seal of heat exchange channel.

The heat exchange tube comprises a corrugated tube positioned in the heat exchange channel and smooth joints arranged at two ends of the corrugated tube, a mounting hole is arranged at the position of the substrate corresponding to the smooth joints, and the smooth joints are in sealing insertion connection in the mounting hole. The part of the heat exchange tube positioned in the heat exchange channel is provided with the corrugated tube, so that the corrugated tube of the heat exchange tube can be bent inside the water tank to be matched with the bent heat exchange channel, and the uneven inner wall and outer wall of the corrugated tube can enable hot water in the heat exchange tube and cold water outside the heat exchange tube to form turbulence and flow around the heat exchange tube, and further enable the cold water and the hot water to fully contact with the inner wall and the outer wall of the heat exchange tube, thereby improving heat transfer efficiency; the heat exchange tube is arranged in the mounting hole in a penetrating mode to be of a smooth joint structure, so that the smooth joint is conveniently in sealing connection with the mounting hole, water flow in the heat exchange channel is prevented from leaking out through a gap between the outer side wall of the heat exchange tube and the inner side wall of the mounting hole, and sealing performance between the heat exchange tube and the mounting hole is enhanced.

The smooth joint is sleeved with a sealing ring propped against the inner wall of the mounting hole, the outer side of the base plate is provided with a clamping ring for tightly clamping the smooth joint, and the clamping ring is propped against the outer peripheral side of the mounting hole. The clearance between smooth joint and the mounting hole is sheltered from to the snap ring, prevents that the sealing washer from disengaging along the axial of mounting hole from between the lateral wall of smooth joint and the inside wall of mounting hole, guarantees to seal all the time between heat exchange tube and the mounting hole, and sealed effectual.

A plurality of supporting ribs are arranged on the opposite surfaces of the two heat exchange components, and a heat dissipation channel penetrating through the heat exchanger is formed between every two adjacent supporting ribs. The heat dissipation channels can effectively dissipate heat of the base plate, and when air flows in the heat dissipation channels, heat on the base plate can be taken away, so that the temperature of cold water in the water tank is prevented from being too high, and the heat exchange effect of the heat exchanger is guaranteed.

The heat exchanger also comprises a cooling fan arranged at the side part of the heat exchange component, and an air outlet of the cooling fan is arranged towards the cooling channel. The cooling fan can accelerate the air flow in the cooling channel so as to take away the heat of the water tank, prevent the water tank caused by slow cooling and the rapid rise of the temperature of cold water in the water tank, and ensure the heat exchange effect of the heat exchanger.

The heat exchanger also comprises a heat radiation plate, wherein the heat radiation plate is arranged between the two heat exchange assemblies, the heat radiation efficiency of the two heat exchange assemblies can be improved by the heat radiation plate, the water tank and the internal water flow are prevented from being overheated, and the heat exchange effect of the heat exchanger is ensured.

The heat dissipation plate comprises a plate body clamped between the two heat exchange assemblies and heat dissipation fins arranged on two sides of the plate body, and the heat dissipation fins are attached to the side parts of the heat exchange assemblies. Through setting up the plate body between two heat exchange assemblies to laminate the fin of plate body both sides at the lateral part of heat exchange assembly, make the plate body after carrying out the heat exchange with the heat exchange assembly, can conduct heat fast to the fin, increase radiating area through the fin, improve the radiating effect of heating panel, because the fin laminating is in the lateral part of heat exchange assembly, so when carrying out radiating to the lateral part of heat exchange assembly, also can carry out spacing on the horizontal direction to the plate body, prevent that the plate body from sliding horizontally between two heat exchange assemblies, guarantee the radiating effect.

The features and advantages of the present utility model will be disclosed in detail in the following detailed description and the accompanying drawings.

Drawings

The utility model is further described with reference to the drawings and detailed description which follow:

FIG. 1 is a perspective view of a heat exchanger according to a first embodiment;

FIG. 2 is an exploded view of a heat exchanger according to the first embodiment;

FIG. 3 is an exploded view of a heat exchange assembly according to a first embodiment;

FIG. 4 is a partial cross-sectional view of a heat exchanger in accordance with a first embodiment;

FIG. 5 is a perspective view of a heat exchanger in a second embodiment;

FIG. 6 is a cross-sectional view of a heat exchanger in a second embodiment;

fig. 7 is an exploded view of a heat exchanger in the third embodiment.

Reference numerals:

100. a heat exchange assembly;

200. a water tank; 210. a substrate; 211. a water collection tank; 212. a partition plate; 213. a heat exchange channel; 214. supporting feet; 215. a mounting hole; 216. a support rib; 217. a heat dissipation channel; 218. a water receiving pipe; 219. stop protruding ribs; 220. a cover plate;

300. a heat exchange tube; 310. a bellows; 320. a smooth joint; 321. a seal ring; 322. a clasp;

400. a heat radiation fan;

500. a heat dissipation plate; 510. a plate body; 520. a heat radiation fin;

610. a cold water transfer tube; 620. a hot water transfer tube.

Detailed Description

The utility model provides a heat exchanger, which comprises a heat exchange assembly, wherein the heat exchange assembly comprises a water tank and heat exchange pipes arranged in the water tank, two ends of each heat exchange pipe penetrate through the side wall of the water tank to extend out of the water tank, the water tank comprises a base plate provided with a heat exchange channel and a cover plate covered on the heat exchange channel, the heat exchange pipes are paved in the heat exchange channel, the heat exchanger is formed by overlapping two heat exchange assemblies, the heat exchange channels of the two heat exchange assemblies are communicated, and meanwhile, the heat exchange pipes of the two heat exchange assemblies are communicated. According to the utility model, the heat exchanger is formed by overlapping the two heat exchange assemblies, the double-layer heat exchange assembly is realized, and the heat exchange pipes of the two heat exchange assemblies are communicated, and the heat exchange channels of the two heat exchange assemblies are communicated, so that the heat exchanger of the double-layer heat exchange assembly only needs one hot water inlet and one cold water inlet, and a plurality of hot water or cold water waterways are not required to be connected, thereby simplifying the waterway. In the heat exchanger of less volume, double-deck heat exchange component has prolonged the length of heat exchange tube and heat transfer passageway in the heat exchanger greatly, and when hot water passed through the heat exchange tube in two heat exchange components in proper order, hot water in the heat exchange tube can carry out abundant heat exchange with the cold water in the heat transfer passageway to reduce the hot water in the heat exchange tube to the temperature of needs, improve heat exchange efficiency of heat exchanger, guarantee the hot water temperature constancy of heat exchange tube output, in order to satisfy user's user demand, improve user's user experience. The two heat exchange assemblies are arranged in a split mode, when any heat exchange assembly is damaged, the heat exchange assembly can be maintained and replaced independently, and maintenance and replacement cost is reduced.

The technical solutions of the embodiments of the present utility model will be explained and illustrated below with reference to the drawings of the embodiments of the present utility model, but the following embodiments are only preferred embodiments of the present utility model, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Embodiment one:

1-4, a heat exchanger comprises two heat exchange assemblies 100 with the same structure, wherein each heat exchange assembly 100 comprises a water tank 200 and a heat exchange tube 300 for passing hot water, each heat exchange tube 300 is arranged in the water tank 200, two ends of each heat exchange tube 300 penetrate through the side wall of the water tank 200 to extend out of the water tank 200, two water receiving tubes 218 are arranged on the outer side wall of the water tank 200, the two water receiving tubes 218 are respectively communicated with the head end and the tail end of a heat exchange channel 213, the water receiving tubes 218 and the heat exchange tubes 300 are respectively arranged on two adjacent side walls of the water tank 200, and the space occupied by the water receiving tubes 218 and the heat exchange tubes 300 is avoided. The water tank 200 includes a base plate 210 and a cover plate 220, the base plate 210 is provided with a heat exchanging channel 213 for passing cold water, the cover plate 220 is mounted on the base plate 210 to cover the heat exchanging channel 213, and the heat exchanging pipe 300 is laid in the heat exchanging channel 213. The two heat exchange assemblies 100 form a heat exchanger by overlapping, and when the two heat exchange assemblies 100 are overlapped, the heat exchange channels 213 of the two heat exchange assemblies 100 are communicated, while the heat exchange tubes 300 of the two heat exchange assemblies 100 are communicated. So that when the heat exchanger is operated, hot water enters the heat exchange tube 300 of one of the heat exchange assemblies 100 and then flows out through the heat exchange tube 300 of the other heat exchange assembly 100, and at the same time, cold water enters the heat exchange channel 213 of one of the heat exchange assemblies 100 and then flows out through the heat exchange channel 213 of the other heat exchange assembly 100, and when hot water flows in the heat exchange tube 300, the hot water in the heat exchange tube 300 exchanges heat with cold water in the heat exchange channel 213 to reduce the hot water in the heat exchange tube 300 to a desired temperature.

The heat exchanger is formed by overlapping the two heat exchange assemblies 100, the double-layer heat exchange assembly 100 is realized, and the heat exchange channels 213 of the two heat exchange assemblies 100 are communicated by communicating the heat exchange pipes 300 of the two heat exchange assemblies 100, so that the heat exchanger with the double-layer heat exchange assembly 100 only needs one hot water inlet and one cold water inlet, and does not need to be connected with a plurality of hot water or cold water waterways, thereby simplifying waterways. In the heat exchanger with smaller volume, the double-layer heat exchange assembly 100 greatly prolongs the lengths of the heat exchange tubes 300 and the heat exchange channels 213 in the heat exchanger, when hot water sequentially passes through the heat exchange tubes 300 in the two heat exchange assemblies 100, the hot water in the heat exchange tubes 300 can be subjected to full heat exchange with the cold water in the heat exchange channels 213, so that the hot water in the heat exchange tubes 300 is reduced to the required temperature, the heat exchange efficiency of the heat exchanger is improved, the constant temperature of the hot water output by the heat exchange tubes 300 is ensured, the use requirement of a user is met, and the use experience of the user is improved. The two heat exchange assemblies 100 are arranged in a split mode, when any heat exchange assembly 100 is damaged, the heat exchange assembly 100 can be maintained and replaced independently, and maintenance and replacement cost is reduced.

The water receiving pipes 218 of the two heat exchange assemblies 100 in the embodiment are connected through the cold water transfer pipe 610 so as to realize the communication of the heat exchange channels 213 in the two heat exchange assemblies 100, and the ends of the heat exchange pipes 300 of the two heat exchange assemblies 100 are connected through the hot water transfer pipe 620 so as to realize the communication of the heat exchange pipes 300 in the two heat exchange assemblies 100, thereby being convenient for installation and disassembly. In order to improve the heat exchange effect of the cold water in the heat exchange channel 213 and the hot water in the heat exchange tube 300, the flow direction of the cold water in the heat exchange channel 213 and the flow direction of the hot water in the heat exchange tube 300 can be set opposite, i.e. the hot water and the cold water are in countercurrent, so that the heat exchange between the cold water in the heat exchange channel 213 and the hot water in the heat exchange tube 300 is more sufficient, and the heat exchange efficiency is improved.

As shown in fig. 3, in this embodiment, a water collecting tank 211 with an opening facing a cover plate 220 is provided on a base plate 210, a plurality of partition plates 212 are provided in the water collecting tank 211, one end of each partition plate 212 is connected with an inner wall of the water collecting tank 211, an installation gap is provided between the other end of each partition plate 212 and the inner wall of the water collecting tank 211, two adjacent partition plates 212 are respectively connected with two opposite inner walls of the water collecting tank 211, the space between any two partition plates 212 is equal, so that the two adjacent partition plates 212 in the water collecting tank 211 are arranged in parallel in a staggered manner, an S-shaped heat exchange channel 213 is formed on the base plate 210, a heat exchange tube 300 extends along the heat exchange channel 213, and is bent around the end of each partition plate 212 when passing through the installation gap between the end of each partition plate 212 and the inner wall of the water collecting tank 211, so that the heat exchange tube 300 is matched with the heat exchange channel 213. The baffle 212 separates the water collection tank 211 into the S-shaped heat exchange channels 213, so that the heat exchange length between the heat exchange tube 300 and the heat exchange channels 213 is prolonged, the heat exchange effect of the heat exchange assembly 100 is improved, the distance between any two baffles 212 is equal, the width of any position of the heat exchange channels 213 can be kept consistent, the flow in the heat exchange channels 213 is kept stable, and the heat exchange effect is good.

The baffle 212 is perpendicular to the inner bottom surface of the water collecting tank 211, the supporting feet 214 are arranged at the joint of the baffle 212 and the base plate 210, the supporting feet 214 are connected with the baffle 212 and the base plate 210 at the same time, the supporting feet 214 are provided with a plurality of supporting feet 214, when the cover plate 220 is covered on the water collecting tank 211, one side of the heat exchange tube 300 is propped against the cover plate 220, the other side of the heat exchange tube 300 is propped against the supporting feet 214, namely the cover plate 220 and the supporting feet 214 jointly clamp the heat exchange tube 300, so that the heat exchange tube 300 in the heat exchange channel 213 is supported and limited, a water passing gap is formed between the outer peripheral side of the heat exchange tube 300 and the baffle 212, cold water in the heat exchange channel 213 wraps the heat exchange tube 300, so that the cold water and hot water in the heat exchange tube 300 can be fully exchanged, heat exchange efficiency is improved, meanwhile, the supporting feet 214 can also strengthen the joint of the baffle 212 and the cover plate 220 are always propped against and stably installed, the inclination of the baffle 212 is prevented, and the sealing of the heat exchange channel 213 is ensured.

In this embodiment, as shown in fig. 3, the heat exchange tube 300 includes a corrugated tube 310 and smooth connectors 320 disposed at two ends of the corrugated tube 310, the corrugated tube 310 is located in the heat exchange channel 213, mounting holes 215 are respectively disposed at positions of the base plate 210 corresponding to the two smooth connectors 320, and the two smooth connectors 320 are respectively inserted into the two mounting holes 215 in a sealing manner so as to extend out of the water tank 200 through the mounting holes 215. By arranging the part of the heat exchange tube 300 in the heat exchange channel 213 into the structure of the corrugated tube 310, the corrugated tube 310 of the heat exchange tube 300 can be bent inside the water tank 200 to adapt to the bent heat exchange channel 213, and the uneven inner wall and outer wall of the corrugated tube 310 can cause turbulent flow to be formed between the hot water in the heat exchange tube 300 and the cold water outside the heat exchange tube 300, and flow around the heat exchange tube 300, so that the cold water and the hot water are fully contacted with the inner wall and the outer wall of the heat exchange tube 300, and the heat transfer efficiency is improved; by arranging the part of the heat exchange tube 300 penetrating the mounting hole 215 into the structure of the smooth joint 320, the smooth joint 320 is convenient to be in sealing connection with the mounting hole 215, water flow in the heat exchange channel 213 is prevented from leaking out through a gap between the outer side wall of the heat exchange tube 300 and the inner side wall of the mounting hole 215, and the tightness between the heat exchange tube 300 and the mounting hole 215 is enhanced.

In this embodiment, as shown in fig. 4, the smooth joint 320 is in sealing connection with the mounting hole 215 through the sealing ring 321, the sealing ring 321 is sleeved outside the smooth joint 320 and abuts against the inner wall of the mounting hole 215, the sealing effect is good, the clamping ring 322 is arranged on the outer side of the base plate 210, the clamping ring 322 tightly abuts against the outer side wall of the smooth joint 320 and abuts against the base plate 210 on the outer peripheral side of the mounting hole 215, so that a gap between the smooth joint 320 and the mounting hole 215 is shielded, the sealing ring 321 is prevented from being separated from the space between the outer side wall of the smooth joint 320 and the inner side wall of the mounting hole 215 along the axial direction of the mounting hole 215, and the heat exchange tube 300 and the mounting hole 215 are ensured to be always sealed.

As shown in fig. 2, when two heat exchange assemblies 100 are stacked, the base plates 210 of the two heat exchange assemblies 100 are disposed opposite to each other, so that when one heat exchange assembly 100 is damaged, the cover plate 220 of the heat exchange assembly 100 is individually installed and detached, and then the heat exchange channel 213 and the heat exchange tube 300 inside are overhauled and replaced, thereby reducing the maintenance difficulty. The two heat exchange components 100 are stacked, the support ribs 216 on the two substrates 210 are opposite and offset one by one to form a heat dissipation channel 217 penetrating through the heat exchanger horizontally between the two adjacent support ribs 216, the parallel heat dissipation channels 217 can effectively dissipate heat of the substrates 210, and when air flows transversely in the heat dissipation channels 217, heat on the substrates 210 can be taken away to prevent the temperature of cold water in the water tank 200 from being too high, so that the heat exchange effect of the heat exchanger is ensured.

Embodiment two:

in this embodiment, as shown in fig. 5 and fig. 6, the heat exchanger further includes a heat dissipation fan 400, where the heat dissipation fan 400 may be provided with one or more heat dissipation fans, and the heat dissipation fan 400 is fixed at the side of the heat exchange assembly 100, and the air outlet of the heat dissipation fan 400 is disposed towards the heat dissipation channel 217, so that the heat dissipation fan 400 can accelerate the air flow in the heat dissipation channel 217 to take away the heat of the water tank, thereby preventing the rapid temperature rise of the water tank 200 and the cold water in the water tank 200 caused by slow heat dissipation, and ensuring the heat exchange effect of the heat exchanger. The supporting ribs 216 in this embodiment may be disposed horizontally, or may be folded as shown in fig. 6, so as to extend the length of the heat dissipation channel 217, i.e. extend the heat exchange time between the air in the heat dissipation channel 217 and the heat dissipation component, and improve the heat dissipation effect.

Embodiment III:

the difference between this embodiment and the first embodiment is that, as shown in fig. 7, in this embodiment, the heat exchanger further includes a heat dissipation plate 500, and when the two heat exchange assemblies 100 are assembled and stacked together, the heat dissipation plate 500 is disposed between the two heat exchange assemblies 100, and the two heat exchange assemblies 100 clamp the heat dissipation plate 500 together. The heat dissipation plate 500 can improve the heat dissipation efficiency of the two heat exchange assemblies 100, prevent the water tank 200 and the internal water flow from being overheated, and ensure the heat exchange effect of the heat exchanger.

The heat dissipation plate 500 in this embodiment includes a plate body 510 and heat dissipation fins 520, the plate body 510 is clamped between the base plates 210 of the two heat exchange assemblies 100, the heat dissipation fins 520 are provided with two groups, the two groups of heat dissipation fins 520 are respectively located at two sides of the heat exchange assemblies 100 and connected with two sides of the plate body 510, and the heat dissipation fins 520 are attached to the outer side walls of the heat exchange assemblies 100. Through setting up plate body 510 between two heat exchange assemblies 100 to with the fin 520 laminating of plate body 510 both sides at the lateral part of heat exchange assembly 100, make plate body 510 carry out the heat exchange with heat exchange assembly 100 after, can conduct heat fast to fin 520, increase radiating area through fin 520, improve the radiating effect of heating panel 500, because fin 520 laminating is in the lateral part of heat exchange assembly 100, so when carrying out the heat dissipation to the lateral part of heat exchange assembly 100, also can carry out spacing on the horizontal direction to plate body 510, prevent that plate body 510 from sliding between two heat exchange assembly 100 horizontally, guarantee the radiating effect. In order to further limit the plate body 510, in this embodiment, the base plate 210 is further provided with a positioning protruding rib 219, and the positioning protruding rib 219 abuts against the upper and lower ends of the plate body 510, where the heat dissipation fins 520 are not connected, so as to ensure that the plate body 510 is always attached to the base plate 210 of the two heat exchange assemblies 100, i.e. ensure the heat dissipation effect of the heat dissipation plate 500.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (10)

1. A heat exchanger comprising a heat exchange assembly, characterized in that: the heat exchange assembly comprises a water tank and heat exchange tubes arranged in the water tank, two ends of each heat exchange tube penetrate through the side wall of the water tank to extend out of the water tank, the water tank comprises a base plate provided with a heat exchange channel and a cover plate covered on the heat exchange channel, the heat exchange tubes are paved in the heat exchange channel, the heat exchanger is formed by overlapping two heat exchange assemblies, the heat exchange channels of the two heat exchange assemblies are communicated, and meanwhile, the heat exchange tubes of the two heat exchange assemblies are communicated.

2. A heat exchanger according to claim 1, wherein: the heat exchange tube is bent around the other end of the partition plate to be matched with the heat exchange channel.

3. A heat exchanger according to claim 2, wherein: the joint of the partition plate and the base plate is provided with supporting feet respectively connected with the partition plate and the base plate, and the supporting feet are propped against the outer side wall of the heat exchange tube so as to support the heat exchange tube.

4. A heat exchanger according to claim 1, wherein: the heat exchange tube comprises a corrugated tube positioned in the heat exchange channel and smooth joints arranged at two ends of the corrugated tube, wherein a mounting hole is formed in the position, corresponding to the smooth joints, of the base plate, and the smooth joints are in sealing insertion connection in the mounting hole.

5. A heat exchanger as claimed in claim 4, wherein: the smooth joint is sleeved with a sealing ring propped against the inner wall of the mounting hole, the outer side of the base plate is provided with a clamping ring for tightly clamping the smooth joint, and the clamping ring is propped against the outer peripheral side of the mounting hole.

6. A heat exchanger according to claim 1, wherein: the water tank is characterized in that two water receiving pipes are arranged on the outer side wall of the water tank and are respectively communicated with the head end and the tail end of the heat exchange channel, and the water receiving pipes and the heat exchange pipes are respectively arranged on two adjacent side walls of the water tank.

7. A heat exchanger according to claim 1, wherein: and a plurality of supporting ribs are arranged on the opposite surfaces of the two heat exchange assemblies, and a heat dissipation channel penetrating through the heat exchanger is formed between every two adjacent supporting ribs.

8. A heat exchanger as claimed in claim 7, wherein: the heat exchanger further comprises a cooling fan arranged on the side part of the heat exchange component, and an air outlet of the cooling fan is arranged towards the cooling channel.

9. A heat exchanger according to claim 1, wherein: the heat exchanger further comprises a heat dissipation plate, and the heat dissipation plate is arranged between the two heat exchange assemblies.

10. A heat exchanger according to claim 9, wherein: the heat dissipation plate comprises a plate body clamped between two heat exchange assemblies and heat dissipation fins arranged on two sides of the plate body, and the heat dissipation fins are attached to the side parts of the heat exchange assemblies.