CN212747402U

CN212747402U - Expanded tube type heat exchanger

Info

Publication number: CN212747402U
Application number: CN202021244403.8U
Authority: CN
Inventors: 康旭文
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-03-19
Anticipated expiration: 2030-06-30

Abstract

The utility model provides an expanding tube type heat exchanger, which comprises a plurality of fins, wherein the fins are arranged in parallel, a plurality of rows of bulges are arranged on the fins, mounting holes are arranged on the bulges, two adjacent rows of the bulges are arranged in a staggered manner, and the mounting holes on the fins are in one-to-one correspondence; and the cooling tube, it passes in proper order and is fixed in correspond on the fin in the mounting hole, be provided with the vortex strip in the cooling tube, the vortex strip is followed the length direction of cooling tube set up in the cooling tube is inside, this application makes the liquid spiral that enters into in the cooling tube advance through setting up the vortex strip in the cooling tube, forms the whirl, can increase the distance of liquid in the middle of the cooling tube, increases heat transfer time.

Description

Expanded tube type heat exchanger

Technical Field

The utility model relates to a heat transfer refrigeration field, concretely relates to expand tube heat exchanger.

Background

The automobile engine is a power source spring of the whole automobile, the temperature of the engine can be gradually increased in the work of the automobile engine, and when the temperature is too high, engine oil in the engine can be thinned due to high temperature, so that the lubricating capability of the engine is reduced, the abrasion of a piston is aggravated, and the cylinder is expanded and pulled. In order to solve the problem, in the prior art, a radiator is arranged beside an engine, and a heat exchange medium is matched with a fan to circularly cool the engine and a transmission cavity, so that the engine is kept at a normal working temperature. At present, the radiators in the market generally comprise a water chamber, a cooling water pipe and radiating fins, and the length of the cooling water pipe is limited due to the limitation of the internal space of a vehicle body, so that the heat exchange of heat exchange media and air is insufficient, the heat exchange efficiency is low, and the cooling effect is not ideal.

The prior application of the inventor discloses an expanding tube type heat exchanger, which comprises a first water chamber, a second water chamber, a cooling tube, fins, side protection plates and a protection net, wherein the heat dissipation effect is ensured, the installation and the disassembly are convenient, but the expanding tube type heat exchanger needs to increase the number of the cooling tubes and the fins when the heat exchange effect is further improved. The above problems are problems that the art needs to solve.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an expand tube heat exchanger who solves above-mentioned technical problem.

In order to solve the technical problem, the utility model provides a scheme is: the tube expansion type heat exchanger comprises a plurality of fins, wherein the fins are arranged in parallel, a plurality of rows of mounting holes are formed in the fins, two adjacent rows of the mounting holes are arranged in a staggered mode, and the mounting holes in the fins are in one-to-one correspondence; and

the cooling tube, its with the mounting hole one-to-one, the cooling tube passes each in proper order the fin to be fixed in correspondingly in the mounting hole, be provided with the vortex strip in the cooling tube, the vortex strip is followed the length direction of cooling tube set up in inside the cooling tube.

Further, the method comprises the following steps: be provided with the multirow arch on the fin, the mounting hole set up in on the arch.

Further, the method comprises the following steps: the water inlet cavity and the water outlet cavity are communicated, the water inlet cavity and the water outlet cavity are communicated through the cooling pipe, the water inlet cavity and the first backflow cavity are arranged at one end of the cooling pipe, the second backflow cavity and the water outlet cavity are arranged at the other end of the cooling pipe, the water inlet cavity is communicated with the cooling pipe and the second backflow cavity, the second backflow cavity is communicated with the first backflow cavity through the cooling pipe, the first backflow cavity is communicated with the water outlet cavity through the cooling pipe, a water inlet is formed in the water inlet cavity, and a water outlet is formed in the water outlet cavity.

Further, the method comprises the following steps: the two ends of the cooling pipe are respectively communicated with the first water tank and the second water tank, a first partition plate is arranged in the first water tank and divides the first water tank into the water inlet cavity and the first backflow cavity, a second partition plate is arranged in the second water tank and divides the second water tank into the second backflow cavity and the water outlet cavity.

Further, the method comprises the following steps: and drain valves are arranged on the first backflow cavity and the second backflow cavity.

Further, the method comprises the following steps: the edge of the fin is provided with a sawtooth structure.

Further, the method comprises the following steps: still include the side guard plate, the side guard plate set up in relative both sides on the fin, and with first water tank with the second water tank is adjacent.

Further, the method comprises the following steps: the side protection plate comprises a main body and flanges arranged on two sides of the main body, the flanges face the cooling pipe, and two ends of the side protection plate are fixed with the first water tank and the second water tank respectively.

Further, the method comprises the following steps: side guard plate detachable with the fin first water tank and the second water tank is connected, still includes the protection network, the protection network set up respectively in the relative both sides of fin, the protection network with the side guard plate is adjacent, the protection network is close to the edge of side guard plate with the side guard plate is connected.

Further, the method comprises the following steps: the play liquid end of cooling tube is provided with the pipe end non return spare, the pipe end non return spare is located including the cover the non return support of cooling tube play liquid end, be provided with on the non return support with the through-hole of cooling tube intercommunication, the through-hole inboard is provided with a week flange, the flange is kept away from the sealed butt in one side of cooling tube has the check piece, the one side edge of check piece with the through-hole edge is articulated, the check piece is kept away from the attached layering that is provided with in one side of flange, the both ends of layering respectively with the check piece with non return support fixed connection, the layering is the elastoplast piece.

The utility model has the advantages that: this application is through setting up the vortex strip in the cooling tube, to the liquid vortex that enters into the cooling tube, makes liquid form the whirl to flow between vortex strip and the pipe wall, can increase the distance of liquid in the middle of the cooling tube, increase the heat transfer time, improved heat transfer effect, every row of cooling tube is crisscross to be set up simultaneously, can increase the hole around the single cooling tube, improves the ventilation effect between the fin, further reinforcing heat transfer.

Drawings

FIG. 1 is a general schematic diagram of the internal structure of the present application;

FIG. 2 is a schematic view of a fin of the present application;

FIG. 3 is a cross-sectional view of a cooling tube of the present application;

FIG. 4 is an elevation view of a pipe end check of the present application;

FIG. 5 is a partial cross-sectional view of a pipe-end check of the present application.

The reference numbers are as follows: the cooling structure comprises a fin 1, a protrusion 11, a mounting hole 12, a sawtooth structure 13, a cooling pipe 2, a spoiler 21, a water inlet cavity 31, a first backflow cavity 32, a water outlet cavity 41, a second backflow cavity 42, a first partition plate 51, a second partition plate 52, a check support 61, a flange 62, a check sheet 63 and a pressing strip 64.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific embodiments so that those skilled in the art may better understand the present invention and practice it.

The following discloses many different embodiments or examples for implementing the subject technology described. In order to simplify the disclosure, a specific example of one or more permutations of the features is described below, but the present disclosure is not limited to the specific example, and the first feature described later in the specification may be connected to the second feature in a direct connection, or may include an embodiment forming an additional feature, and further, may include the use of one or more other intervening features to connect or combine the first feature and the second feature indirectly with each other so that the first feature and the second feature may not be directly connected.

As shown in fig. 1, an expanded tube heat exchanger includes a plurality of fins 1, the fins 1 are arranged in parallel, the fins 1 are integrally of a sheet structure, as shown in fig. 2, a plurality of rows of circular protrusions 11 are arranged on the fins 1, two adjacent rows of protrusions 11 are arranged in a staggered manner, each protrusion 11 is located between two adjacent upper and lower rows of protrusions 11, that is, in every two rows, three adjacent protrusions 11 are arranged in a T shape, a mounting hole 12 is arranged in the middle of each circular protrusion 11, and the mounting holes 12 correspond to one another in each fin 1.

The cooling tubes 2 correspond to the mounting holes 12 one by one, the cooling tubes 2 sequentially penetrate through the fins 1 and are mounted in the corresponding mounting holes 12 on the fins 1 through expansion joint, wherein turbulence strips 21 are sleeved inside the cooling tubes 2 as shown in fig. 3, and the turbulence strips 21 extend spirally along the length direction of the cooling tubes 2.

This application is through introducing liquid into cooling tube 2, dispel the heat through fin 1 and the contact of cooling tube 2, because mounting hole 12 sets up on arch 11, on the one hand, arch 11 can increase fin 1's area, thereby improve heat exchange efficiency, on the other hand, arch 11 has certain elasticity, thereby arch 11 can absorb deformation when installation cooling tube 2, prevent that fin 1 is whole to take place deformation, set up vortex strip 21 in cooling tube 2, make the liquid spiral that enters into in cooling tube 2 advance, form the whirl, can increase the distance of liquid in the middle of cooling tube 2, increase the heat transfer time, improve the heat transfer effect.

As shown in fig. 1, the present application further includes a water inlet chamber 31 and a water outlet chamber 41, the water inlet chamber 31 and the water outlet chamber 41 are communicated through the cooling pipe 2, in one embodiment, in order to improve a path of the liquid in the cooling pipe 2, the present application further includes a water inlet chamber 31 and a first return chamber 32 disposed at one end of the cooling pipe 2, and a second return chamber 42 and a water outlet chamber 41 disposed at the other end of the cooling pipe 2, the water inlet chamber 31 and the first return chamber 32 may be disposed in a first water tank, a first partition plate 51 is inserted into the first water tank, the first water tank is divided into the water inlet chamber 31 and the first return chamber 32 by the first partition plate 51, the water outlet chamber 41 and the second return chamber 42 may be disposed in a second water tank, specifically, a second partition plate 52 is inserted into the second water tank, and the second partition plate 52 divides the second water tank into the second return chamber 42 and the water outlet chamber 41.

The water inlet cavity 31 is communicated with the second backflow cavity 42 through a part of the cooling pipe 2, the second backflow cavity 42 is communicated with the first backflow cavity 32 through a part of the cooling pipe 2, the first backflow cavity 32 is communicated with the water outlet cavity 41 through a part of the cooling pipe 2, a water inlet is formed in the water inlet cavity 31, and a water outlet is formed in the water outlet cavity 41.

In some embodiments, drain valves may also be installed in the first and

second recirculation chambers

32, 42 to provide early draining. In addition, the sawtooth structure 13 can be arranged on the edge of the fin 1, so that the heat exchange area of the fin 1 is further increased.

In some embodiments, in order to protect the fin 1, a side protection plate and a protection net are further provided, specifically, the side protection plate may include two side protection plates, two side protection plates are fixed on two opposite sides of the fin 1 and adjacent to the first water tank and the second water tank, the protection net may also include two side protection plates and respectively fixed on two opposite sides of the fin 1, the protection net is adjacent to the side protection plates, and edges of the protection net close to the side protection plates are fixedly connected with the side protection plates.

Specifically, above-mentioned side guard plate includes the main part and is fixed in the turn-ups of main part both sides, and this turn-ups extends towards cooling tube 2, and the both ends of side guard plate are fixed with first water tank and second water tank respectively. The side guard plate is detachable and is connected with fin 1, first water tank and second water tank, for example can set up the screw hole on the turn-ups, fixes the side guard plate through the bolt.

As shown in fig. 4 and 5, in some embodiments, in order to avoid the liquid backflow at the end of the heat exchange, a liquid outlet end of the cooling pipe 2 is provided with a pipe end check piece, the check valve is not suitable for the cooling pipe 2 of the present application due to the small diameter of the cooling pipe 2, and in the embodiments of the present application, a specific pipe end check piece is further provided, the pipe end check piece comprises a circular sleeve-shaped check support 61, the check support 61 is sleeved on the liquid outlet end of the cooling pipe 2, the check support 61 is provided with a through hole communicated with the cooling pipe 2, for example, the through hole can be semicircular, the inner side of the through hole is provided with a circumferential flange 62, one side of the flange 62 far away from the cooling pipe 2 is in sealing abutment with a check piece 63, one side edge of the check piece 63 is hinged with the edge of the through hole, so that the check piece 63 can only rotate towards the side far away from the cooling pipe, two ends of a pressing strip 64 are respectively fixedly connected with the check sheet 63 and the check support 61, and the pressing strip 64 is an elastic plastic sheet with certain elasticity.

When carrying out the heat transfer, the liquid that is located cooling tube 2 flows towards the other end along the one end of cooling tube 2, the one end that liquid flows out cooling tube 2 is the play liquid end of cooling tube 2 promptly, at this moment, because the sealed butt of check piece 63 is in the one side that flange 62 kept away from cooling tube 2, therefore, liquid can be washed back check piece 63 and open, at this moment, originally attached layering 64 on check piece 63, take place deformation hunch-up, as shown in fig. 5, when the heat transfer is in the end stage, the liquid inlet end of cooling tube 2 does not have liquid to get into and continues to strike check piece 63, layering 64 has the resilience, layering 64 then can order to order about check piece 63 to reset when the resilience resets, check piece 63 is sealed butt with flange 62 again, the unable reverse impact of liquid of countercurrent opens check piece 63.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The tube expansion type heat exchanger is characterized by comprising a plurality of fins, wherein the fins are arranged in parallel, a plurality of rows of mounting holes are formed in the fins, two adjacent rows of the mounting holes are arranged in a staggered mode, and the mounting holes in the fins are in one-to-one correspondence; and

the cooling tube, its with the mounting hole one-to-one, the cooling tube passes each in proper order correspond on the fin in the mounting hole, be provided with the vortex strip in the cooling tube, the vortex strip is followed the length direction of cooling tube set up in inside the cooling tube.

2. An expanded tube heat exchanger according to claim 1, wherein said fins are provided with a plurality of rows of projections, and said mounting holes are provided in said projections.

3. An expanded tube heat exchanger as claimed in claim 2, further comprising a water inlet chamber and a water outlet chamber, said water inlet chamber and said water outlet chamber being in communication via said cooling tube, a water inlet chamber and a first return chamber being provided at one end of said cooling tube, and a second return chamber and a water outlet chamber being provided at the other end of said cooling tube, said water inlet chamber being in communication with said second return chamber via a portion of said cooling tube, said second return chamber being in communication with said first return chamber via a portion of said cooling tube, said first return chamber being in communication with said water outlet chamber via a portion of said cooling tube, said water inlet chamber being provided with a water inlet, and said water outlet chamber being provided with a water outlet.

4. An expanded tube heat exchanger as recited in claim 3 wherein both ends of said cooling tube are in communication with a first tank and a second tank, respectively, a first baffle plate disposed within said first tank, said first baffle plate dividing said first tank into said inlet chamber and said first return chamber, a second baffle plate disposed within said second tank, said second baffle plate dividing said second tank into said second return chamber and said outlet chamber.

5. An expanded tube heat exchanger according to claim 3, wherein drain valves are provided in said first return chamber and said second return chamber.

6. An expanded tube heat exchanger according to claim 1, wherein the edges of said fins are provided with a saw-tooth structure.

7. An expanded tube heat exchanger according to claim 4, further comprising side shields disposed on opposite sides of said fins adjacent said first and second waterboxes.

8. The expanded tube heat exchanger of claim 7, wherein the side shield comprises a main body and flanges provided at both sides of the main body, the flanges facing the cooling tube, both ends of the side shield being fixed to the first and second tanks, respectively.

9. The expanded tube heat exchanger of claim 7 or 8, wherein the side protection plates are detachably connected to the fins, the first water tank and the second water tank, and further comprising protection nets respectively disposed at opposite sides of the fins, the protection nets being adjacent to the side protection plates, and edges of the protection nets near the side protection plates being connected to the side protection plates.

10. An expanded tube heat exchanger as claimed in claim 1, wherein the liquid outlet end of the cooling tube is provided with a tube end check member, the tube end check member comprises a check support sleeved on the liquid outlet end of the cooling tube, the check support is provided with a through hole communicated with the cooling tube, a circumference of flange is arranged inside the through hole, one side of the flange far away from the cooling tube is in sealing butt joint with a check sheet, one side edge of the check sheet is hinged with the edge of the through hole, one side of the check sheet far away from the flange is attached with a pressing strip, two ends of the pressing strip are respectively fixedly connected with the check sheet and the check support, and the pressing strip is an elastic piece.