CN113375481A - Water-cooled parallel flow heat exchanger with flat tubes in row - Google Patents

Abstract

The invention discloses a water-cooled parallel flow heat exchanger with flat tubes arranged in series, which belongs to the technical field of heat exchangers and comprises a first collecting pipe and a second collecting pipe positioned on one side of the first collecting pipe, wherein a plurality of flat tubes are arranged between the first collecting pipe and the second collecting pipe; the up end fixed mounting of first pressure manifold has the inlet tube, the lower terminal surface fixed mounting of first pressure manifold has the outlet pipe, the inlet tube is L shape with the outlet pipe, and the inlet tube is pegged graft in the inside that is located the flat pipe of top, the outlet pipe cup joints and is served at the flat pipe that is located bottom, the position fixed mounting that the up end of flat pipe is close to one side has the intake pipe, can be convenient for when assembling this heat exchanger, improve its heat exchange efficiency to improve the device's performance.

Description

Water-cooled parallel flow heat exchanger with flat tubes in row

Technical Field

The invention relates to the technical field of heat exchangers, in particular to a water-cooled parallel flow heat exchanger with parallel flat tubes.

Background

The parallel flow heat exchanger is an all-aluminum heat exchanger, has compact structure and high heat exchange efficiency, has more advantages compared with the common copper pipe heat exchanger in cost, and is more and more emphasized by various air conditioner manufacturers. Ideally, the refrigerant should be distributed evenly within each flat tube of the parallel flow heat exchanger to ensure optimal heat exchange efficiency of the parallel flow heat exchanger.

The collecting pipe of the parallel flow heat exchanger is usually produced into a thin cylindrical structure, and meanwhile, in order to reduce the production cost, the distribution mode of the refrigerant mostly adopts internal flow distribution. Because outer reposition of redundant personnel needs shunt, reposition of redundant personnel tee bend or the assistance of distribution part, interior reposition of redundant personnel mode sets up a distributing pipe in the pressure manifold mostly, is formed with a plurality of distribution holes of interval distribution on the distributing pipe, and the refrigerant flows into from the one end of pressure manifold, in a plurality of distribution holes reentrant flow manifold, and then flows into flat pipe and carries out the heat transfer.

For example, a Chinese patent (publication number: CN110500899B) discloses a water-cooled parallel flow heat exchanger with parallel flat tubes, which relates to the field of heat exchange and mainly aims to solve the problem of low heat exchange efficiency of the existing parallel flow heat exchanger; the water-cooled parallel flow heat exchanger with the row flat tubes comprises a first heat exchanger, wherein the first heat exchanger comprises a first collecting pipe and a second collecting pipe; one end of the first collecting pipe is provided with an air inlet, a second air hole communicated with the flat pipe is formed in the first collecting pipe, a fourth air hole communicated with the flat pipe is formed in the second collecting pipe, and a first partition plate is further arranged in the first collecting pipe; the heat exchanger is characterized in that one end, far away from an air inlet, of the second collecting pipe is provided with a first air outlet, the flat pipe is provided with a cooling pipe and a turbulence assembly, a second heat exchanger and a third heat exchanger are further arranged below the first heat exchanger, the first heat exchanger and the second heat exchanger and the third heat exchanger are fixed through a base plate and a combined piece, and a motor is adopted to stir cooling water turbulence to improve heat exchange efficiency and waste resources.

Also, chinese patent (publication No. CN106440866A) discloses a water-cooled parallel flow heat exchanger with multiple rows of flat tubes, wherein the left ends of the flat tubes are inserted into flat tube sockets on a left end plate, the right ends of the flat tubes are inserted into flat tube sockets on a right end plate, a left cover plate is fastened on the outer side of the left end plate, a spacer is arranged on the inner wall of the left end plate, the spacer divides a cavity formed by fastening the left end plate and the left cover plate into a shunting cavity and a converging cavity, wherein one row of flat tubes is communicated with the shunting cavity, the other row of flat tubes is communicated with the converging cavity, a water inlet tube and a water outlet tube are arranged on the outer side of the left cover plate, the water inlet tube is communicated with the shunting cavity, and the water outlet tube is communicated with the converging cavity; the right end plate is buckled with a right cover plate on the outer side, a cavity formed by buckling the right end plate and the right cover plate is a backflow cavity, and the two rows of flat tubes are communicated with the backflow cavity. According to the invention, the plurality of loops are connected in series, and the two rows of flat tubes are laminated together, so that the windward area of the heat exchanger is reduced, and the heat exchanger is suitable for occasions with limited installation space positions and smaller fan diameters.

Parallel flow heat exchanger in the above-mentioned patent is difficult to guarantee simultaneously to improve heat exchange efficiency height under the condition of the concatenation equipment of being convenient for when using, influences the device's performance.

Based on the above, the invention designs a water-cooled parallel flow heat exchanger with parallel flat tubes to solve the above problems.

Disclosure of Invention

The invention aims to provide a water-cooled parallel flow heat exchanger with parallel flat tubes, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a water-cooled parallel flow heat exchanger with flat pipes arranged in series comprises a first collecting pipe and a second collecting pipe positioned on one side of the first collecting pipe, wherein a plurality of flat pipes are arranged between the first collecting pipe and the second collecting pipe;

the upper end face of the first collecting pipe is fixedly provided with a water inlet pipe, the lower end face of the first collecting pipe is fixedly provided with a water outlet pipe, the water inlet pipe and the water outlet pipe are L-shaped, the water inlet pipe is inserted into the flat pipe at the uppermost end, and the water outlet pipe is sleeved on one end of the flat pipe at the lowermost end;

an air inlet pipe is fixedly arranged at a position, close to one side, of the upper end face of each flat pipe, a communicating pipe is fixedly connected between every two adjacent flat pipes, and an air outlet pipe is fixedly arranged at a position, close to one end, of the lower end face of each flat pipe;

the inside of flat pipe has been seted up and has been led to the groove, the inside side both ends position fixed mounting who leads to the groove has the fixed plate, the gas collecting tank has been seted up to the inside of fixed plate, a plurality of air duct of fixedly connected with between two fixed plates, a plurality of air duct is a style of calligraphy equidistance and distributes, and air duct and the inner wall phase-match that leads to the groove, the equal fixed mounting in another side central point of fixed plate has even trachea, the inner wall that leads to the groove is seted up flutedly, be provided with the guiding gutter between two adjacent air ducts.

Preferably, two fixed plates are symmetrically arranged, a certain gap is formed between each fixed plate and the inner wall of each through groove, and the through grooves on the two flat pipes are connected through communicating pipes.

Preferably, a plurality of convex plates which are distributed in a straight line shape at equal intervals are fixedly arranged at the bottom end of the inner wall of the through groove, a certain gap is reserved between the top end of each convex plate and the top end of the inner wall of the through groove, and the heights of the tops of the plurality of convex plates are different.

Preferably, the mounting groove has been seted up to the side of second pressure manifold, and the inside fixed mounting of mounting groove has the breather pipe, and the side fixed mounting of breather pipe has sleeve pipe and intubate, and the intubate is located sheathed tube below, and the cross-sectional area of intubate is less than sheathed tube cross-sectional area, and the one end of flat pipe is pegged graft in sheathed tube inside, and the other end of flat pipe cup joints on the intubate.

Preferably, the air connecting pipe on one flat pipe is communicated with the air inlet pipe, the other air connecting pipe on one flat pipe is communicated with the sleeve, and the sleeve and the insertion pipe are in one-to-one correspondence with two ends of the flat pipe respectively.

Preferably, the both ends of flat pipe all are provided with positioning mechanism, positioning mechanism includes the deflector, the spout has been seted up to the inside of deflector, the inside slidable mounting of spout has the slide, the side fixed mounting of slide has the extension rod, another terminal surface fixed mounting of extension rod has the baffle, fixed mounting has a plurality of spring between baffle and the flat pipe, the lateral surface of baffle is the inclined plane, and the side that the deflector was kept away from to the baffle is provided with anti-skidding line, two baffles are the symmetry and set up, a plurality of spring is annular equidistance and distributes.

Preferably, when the positioning mechanism is arranged on the inner wall of the flat pipe, the end of the flat pipe is sleeved on the insertion pipe, when the positioning mechanism is fixedly arranged on the outer wall of the flat pipe, the end of the flat pipe is inserted on the sleeve pipe, and two ends of the flat pipe are respectively connected with the insertion pipe and the sleeve pipe in a matched mode through the positioning mechanism.

Preferably, be located between two adjacent second pressure manifolds on right side, be located and all be provided with the connecting plate between left first pressure manifold and the second pressure manifold, the spacing groove has all been seted up to the upper and lower terminal surface of connecting plate, and the equal fixed mounting of terminal surface corresponding with the spacing groove on the second pressure manifold has the gag lever post, gag lever post and spacing groove one-to-one, and on the gag lever post with spacing groove on equal fixed mounting have the magnetic path, magnetic path accordant connection on the two.

Preferably, a plurality of flat pipe is vertical a style of calligraphy and arranges, and the circulation route of a plurality of flat pipe is the S-shaped, and the one end of two adjacent flat pipes is installed on a second pressure manifold, is located not to communicate between two adjacent second pressure manifolds of homonymy.

Preferably, the whole body formed by the first collecting pipe, the second collecting pipe, the flat pipe and the fins is provided with an upper cover plate, a lower cover plate, a front cover plate and a back plate which are matched with each other on the upper end face, the lower end face, the front cover plate and the back plate respectively.

Compared with the prior art, the invention has the beneficial effects that:

1. the hot air enters the inside of the air duct through the air inlet pipe, enters the inside of the air duct through the sleeve, enters the air duct in the next flat tube through the intubation tube, and when the hot air enters the inside of the air duct, the cooling water enters the inside of the through groove through the water inlet pipe, and enters the next flat tube through the water chute and the communication pipe, when the cooling water flows in the inside of the through groove, the cooling water exchanges heat with the hot air in the air duct, the heat on the flat tubes is transferred to the radiating fins, the radiating fins absorb the water heat, so as to achieve the effect of heat exchange, the cooling water and the hot air respectively move in the first collecting pipe, the second collecting pipe and the flat tubes according to a specific path, finally the hot air is discharged from the air outlet pipe, the cooling water is discharged from the water outlet pipe, the cooling water flows through the fixing plate and the plurality of convex plates in one time in the inside of the flat tubes, and cooperates with the combined action of the grooves, the cooling water falls and fluctuates in the through grooves, the flow of the cooling water is disturbed, the contact area between the cooling water and the air guide pipe is increased, the heat exchange efficiency can be improved, and the service performance of the device is improved;

2. the vent pipes in the mounting grooves on the second collecting pipes on two sides respectively correspond to two ends of the flat pipes, one end of hot air entering the vent pipes is inserted into the sleeve, one end of the hot air entering the flat pipes is sleeved on the insertion pipe, so that the air inlet pipe, the flat pipes, the vent pipes and the air outlet pipe form a hot air path, the flat pipes can be conveniently connected with the corresponding second collecting pipes by a user, the two second collecting pipes on different sides are respectively connected with two different flat pipes, the splicing stability of the heat exchanger can be improved, and the operation of the user is convenient;

when the positioning mechanism is arranged outside the flat pipe, the two baffles are pushed to the position of the flat pipe, the sliding plate is driven by the extension rod to move along the sliding groove, and meanwhile, the baffles are driven to extrude the spring, so that the two baffles on the flat pipe enter the interior of the sleeve, and the baffles are driven to be in contact with the inner wall of the sleeve by the reaction force of the spring, so that one end of the flat pipe is limited in the interior of the sleeve, a user can conveniently connect the two baffles together, and the flat pipe is convenient to disassemble and replace;

3. when the positioning mechanism is arranged inside the flat pipe, the insertion pipe is inserted into the flat pipe, the two baffles are extruded, the baffles are enabled to extrude the spring, and the spring is enabled to be in a compressed state, so that the baffles are enabled to have a motion trend of being close to each other, and certain pressure is generated on the insertion pipe inserted between the two baffles, so that the insertion pipe is arranged inside the flat pipe;

4. the connecting plate is installed in the middle of two adjacent second collecting pipes, so that the limiting grooves on two sides of the connecting plate are respectively connected with the corresponding limiting rods, the second collecting pipes are installed together with the connecting plate under the action of the magnetic blocks, the two adjacent second collecting pipes are spliced together, a user can assemble and disassemble the heat exchanger, and the use performance of the device is improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a combined view of a second header and a flat pipe according to the present invention;

FIG. 3 is a combined view of a second header and a connecting plate according to the present invention;

FIG. 4 is a combined view of a first header and a second header of the present invention;

FIG. 5 is a view of the flat tube and the communicating tube according to the present invention;

FIG. 6 is an assembled view of the flat tubes and fins of the present invention;

FIG. 7 is an associated view of the airway tube of the present invention and a fixation plate;

fig. 8 is a view of the flat tube and sleeve combination of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a first header; 2. a second header; 3. flat tubes; 4. a fin; 5. an air inlet pipe; 6. a communicating pipe; 7. an air outlet pipe; 8. a water inlet pipe; 9. a connecting plate; 10. a breather pipe; 11. a sleeve; 12. inserting a tube; 13. a limiting rod; 14. a limiting groove; 15. mounting grooves; 16. a water outlet pipe; 17. a through groove; 18. an air duct; 19. a water chute; 20. a groove; 21. a fixing plate; 22. a gas connecting pipe; 23. a gas collecting tank; 24. a guide plate; 25. a chute; 26. a slide plate; 27. an extension rod; 28. a baffle plate; 29. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 8, the present invention provides a water-cooled parallel flow heat exchanger with parallel flat tubes, which comprises: a water-cooled parallel flow heat exchanger of a tandem flat tube comprises a first collecting pipe 1 and a second collecting pipe 2 positioned on one side of the first collecting pipe 1, wherein a plurality of flat tubes 3 are arranged between the first collecting pipe 1 and the second collecting pipe 2, a plurality of radiating fins 4 are fixedly arranged on the upper end surface and the lower end surface of each flat tube 3, the shapes of the plurality of radiating fins 4 are all triangular, and the radiating fins 4 on the two sides of each flat tube 3 are designed in a staggered mode;

the upper end face of the first collecting pipe 1 is fixedly provided with a water inlet pipe 8, the lower end face of the first collecting pipe 1 is fixedly provided with a water outlet pipe 16, the water inlet pipe 8 and the water outlet pipe 16 are L-shaped, the water inlet pipe 8 is inserted into the flat pipe 3 at the uppermost end, and the water outlet pipe 16 is sleeved on one end of the flat pipe 3 at the lowermost end, so that the normal use of the heat exchanger is ensured;

an air inlet pipe 5 is fixedly arranged at a position, close to one side, of the upper end face of each flat pipe 3, a communicating pipe 6 is fixedly connected between every two adjacent flat pipes 3, an air outlet pipe 7 is fixedly arranged at a position, close to one end, of the lower end face of each flat pipe 3, and the communicating pipes 6 are adopted to connect the two flat pipes 3 so as to form a path for cooling water to flow in, so that hot air is subjected to heat exchange;

through groove 17 has been seted up to flat pipe 3's inside, the inside side both ends position fixed mounting who leads to groove 17 has fixed plate 21, gas collecting tank 23 has been seted up to fixed plate 21's inside, a plurality of air duct 18 of fixedly connected with between two fixed plate 21, a plurality of air duct 18 is a style of calligraphy equidistance and distributes, and air duct 18 and the inner wall phase-match that leads to groove 17, the equal fixed mounting in another side central point of fixed plate 21 has even trachea 22, recess 20 has been seted up to the inner wall that leads to groove 17, be provided with guiding gutter 19 between two adjacent air ducts 18, adopt recess 20 and guiding gutter 19 to make the cooling water wrap up completely in the outside of air duct 18, carry out the heat transfer with the inside hot-air of air duct 18, thereby improve heat exchange efficiency.

Two fixed plates 21 are symmetrically arranged, a certain gap is formed between the fixed plates 21 and the inner wall of the through groove 17, and the through grooves 17 on the two flat pipes 3 are connected through the communicating pipe 6, so that the correct path of cooling water is ensured.

Lead to the inner wall bottom fixed mounting of groove 17 has a plurality of to be the flange that a style of calligraphy equidistance distributes, and leave certain space between the top of flange and the inner wall top that leads to groove 17, this space is used for guaranteeing the correct removal of cooling water, and adopt the flange to make the vortex condition, the high diverse in top of a plurality of flange, when the cooling water is through the flange, the impact force that adopts the flange to block water carries out certain interference to the flow of cooling water, make the cooling water with 18 contacts of air duct 18 earlier and the cooling water intermix of keeping away from air duct 19, slow down the speed of the heating of cooling water, improve the endothermic speed of cooling water on 18 to the air duct, thereby improve heat exchange efficiency.

The flat pipes 3 of the plurality of are arranged in a longitudinal straight line shape, the flow path lines of the flat pipes 3 of the plurality of are S-shaped, one ends of the two adjacent flat pipes 3 are arranged on one second collecting pipe 2, and the two adjacent second collecting pipes 2 on the same side are not communicated with each other and are used for ensuring that the hot air and the cooling water have respective moving paths, so that the heat exchange work is completed.

The whole composed of the first collecting pipe 1, the second collecting pipe 2, the flat pipe 3 and the fins 4 is provided with an upper cover plate, a lower cover plate, a front cover plate and a back plate which are matched with each other on four end faces of the whole, namely the upper end face, the lower end face, the front cover plate and the back plate respectively, so that internal components of the heat exchanger are protected, the device is convenient to move and use due to integrated assembly, and the use performance of the device is improved.

Working principle; firstly, hot air enters the inside of an air duct 18 through an air inlet pipe 5, enters the inside of an air duct 10 through a sleeve pipe 11, enters the air duct 18 in the next flat pipe 3 through an insertion pipe 12, when the hot air enters the inside of the air duct 18, cooling water enters the inside of a through groove 17 through a water inlet pipe 8 and enters the next flat pipe 3 through a water guide groove 19 and a communication pipe 6, when the cooling water flows in the inside of the through groove 17, the cooling water exchanges heat with the hot air in the air duct 18, the heat on the flat pipes 3 is transferred to heat dissipation fins 4, the heat dissipation fins 4 are adopted to absorb the heat to achieve the effect of heat exchange, the cooling water and the hot air respectively move in a first collecting pipe 1, a second collecting pipe 2 and the inside of the flat pipes 3 according to a specific path, finally, the hot air is discharged from an air outlet pipe 7, the cooling water is discharged from a water outlet pipe 16, and the cooling water flows through a fixing plate 21 and a plurality of convex plates once in the flat pipes 3, and the combined action of the grooves 20 is matched, so that the cooling water falls and fluctuates in the through grooves 17, the flow of the cooling water is disturbed, the heat exchange efficiency can be improved, and the service performance of the device is improved.

Example 2

As shown in fig. 2, 4 and 7, in the case where the other parts are the same as those of embodiment 1, the present embodiment is different from embodiment 1 in that:

mounting groove 15 has been seted up to the side of second pressure manifold 2, the inside fixed mounting of mounting groove 15 has breather pipe 10, the side fixed mounting of breather pipe 10 has sleeve pipe 11 and intubate 12, intubate 12 is located sleeve pipe 11's below, and the cross-sectional area of intubate 12 is less than sleeve pipe 11's cross-sectional area, the one end of flat pipe 3 is pegged graft in sleeve pipe 11's inside, flat pipe 3's the other end cup joints on intubate 12, with flat pipe 3's end-to-end mounting on corresponding intubate 12 or sleeve pipe 11, thereby install flat pipe 3 and corresponding pressure manifold together, convenient to use person accomplishes and assembles, thereby guarantee the normal use of heat exchanger.

The air connecting pipe 22 on one flat pipe 3 is communicated with the air inlet pipe 5, the other air connecting pipe 22 on one flat pipe 3 is communicated with the sleeve pipe 11, the sleeve pipe 11 and the insertion pipe 12 are in one-to-one correspondence with the two ends of the flat pipe 3 respectively, and after the flat pipe 2 is spliced with the corresponding collecting pipe, the completeness of the moving channel of the corresponding hot air and cooling water is ensured, so that the heat exchange work can be smoothly completed.

The working principle is as follows: the inside breather pipe 10 of mounting groove 15 on the second pressure manifold 2 that will be located both sides corresponds flat pipe 3's both ends respectively, peg graft the one end that hot-air got into breather pipe 10 in sheathed tube 11 inside, get into the inside pot head of flat pipe 3 with hot-air on intubate 12, make intake pipe 5, flat pipe 3, the route of hot-air is constituteed with outlet duct 7 to breather pipe 10, can convenient to use person link together flat pipe 3 and corresponding second pressure manifold 2, two different flat pipes 3 are connected respectively to two second pressure manifolds 2 that are located the heteropleural, can increase the stability of this heat exchanger concatenation.

Example 3

As shown in fig. 2, 3 and 8, in the case where the other parts are the same as those of embodiment 1, the present embodiment is different from embodiment 1 in that:

the two ends of the flat pipe 3 are provided with positioning mechanisms, each positioning mechanism comprises a guide plate 24, a sliding groove 25 is formed in the guide plate 24, a sliding plate 26 is slidably mounted in the sliding groove 25, an extension rod 27 is fixedly mounted on one side surface of the sliding plate 26, a baffle 28 is fixedly mounted on the other end surface of the extension rod 27, a plurality of springs 29 are fixedly mounted between the baffle 28 and the flat pipe 3, the outer side surfaces of the baffles 28 are inclined planes which can be conveniently contacted with the corresponding insertion pipe 12 or the corresponding sleeve pipe 11 by a user, anti-skidding lines are arranged on the side surface of the baffle 28 far away from the guide plate 24, the stability of limiting and fixing is improved, the two baffles 28 are symmetrically arranged, the plurality of springs 29 are distributed in annular equal intervals, the baffles 28 are adjusted to move relatively by the combined action of the sliding plates 26, the extension rods 27 and the springs 29, so that the baffles 28 are contacted with the inner wall of the sleeve pipe 11 or the outer wall of the insertion pipe 12, thereby fix flat pipe 3 spacing on corresponding pressure manifold, and then accomplish assembling of this heat exchanger, the convenient to use person operates.

When positioning mechanism installs the inner wall at flat pipe 3, this end of flat pipe 3 cup joints on intubate 12, when positioning mechanism fixed mounting is in flat pipe 3's outer wall, this end of flat pipe 3 is pegged graft on sleeve pipe 11, the both ends of flat pipe 3 are respectively through positioning mechanism and intubate 12 and sleeve pipe 11 accordant connection, the mode of installing flat pipe 3 as required, select the position that positioning mechanism is located flat pipe 3 to make its structure of assembling that adapts to needs, improve and assemble efficiency.

The working principle is as follows:

when the positioning mechanism is installed outside the flat tube 3, the two baffles 28 are pushed to the position of the flat tube 3, the extension rod 27 drives the sliding plate 26 to move along the sliding groove 25, and simultaneously the baffles 28 are driven to extrude the spring 29, so that the two baffles 28 on the flat tube 3 both enter the interior of the sleeve 11, and the baffles 28 are driven to contact with the inner wall of the sleeve 11 by the reaction force of the spring 29, so that one end of the flat tube 3 is limited in the interior of the sleeve 11, a user can connect the two baffles together, and the flat tube 3 can be conveniently detached and replaced;

when positioning mechanism installs in flat pipe 3's inside, insert the inside of flat pipe 3 with intubate 12, and extrude two baffles 28, make baffle 28 extrusion spring 29, make spring 29 be in compression state, thereby make baffle 28 have the motion trend that is close to each other, and then produce certain pressure to intubate 12 between two baffles 28 of inserting, thereby install intubate 12 in flat pipe 3's inside, when baffle 28 keeps away from each other, it moves along spout 25 to promote extension rod 27 to drive slide 26, increase the stability that baffle 28 removed, improve the stability of being connected between breather pipe 10 and the flat pipe 3.

Example 4

As shown in fig. 3, in the case where the other parts are the same as those of embodiment 1, this embodiment is different from embodiment 1 in that:

between two adjacent second pressure manifold 2 that are located the right side, be located and all be provided with connecting plate 9 between left first pressure manifold 1 and the second pressure manifold 2, spacing groove 14 has all been seted up to the upper and lower terminal surface of connecting plate 9, the equal fixed mounting of terminal surface corresponding with spacing groove 14 on the second pressure manifold 2 has gag lever post 13, gag lever post 13 and spacing groove 14 one-to-one, and on gag lever post 13 and spacing groove 14 on equal fixed mounting have the magnetic path, magnetic path accordant connection between them.

The working principle is as follows: mounting the connecting plate 9 in the middle of two adjacent second collecting pipes 2, so that the limiting grooves 14 on two sides of the connecting plate 9 are respectively connected with the corresponding limiting rods 13, and under the action of the magnetic blocks, the second collecting pipes 2 and the connecting plate 9 are mounted together, so that the two adjacent second collecting pipes 2 are spliced together, a user can assemble and disassemble the heat exchanger, and the use energy of the device is improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (10)

1. The utility model provides a water-cooled concurrent flow heat exchanger of flat pipe of row, includes first pressure manifold (1) and second pressure manifold (2) that are located first pressure manifold (1) one side, its characterized in that: a plurality of flat tubes (3) are arranged between the first collecting tube (1) and the second collecting tube (2), a plurality of radiating fins (4) are fixedly mounted on the upper end face and the lower end face of each flat tube (3), the radiating fins (4) are all triangular, and the radiating fins (4) on the two sides of each flat tube (3) are designed in a staggered mode;

the upper end face of the first collecting pipe (1) is fixedly provided with a water inlet pipe (8), the lower end face of the first collecting pipe (1) is fixedly provided with a water outlet pipe (16), the water inlet pipe (8) and the water outlet pipe (16) are L-shaped, the water inlet pipe (8) is inserted into the flat pipe (3) at the uppermost end, and the water outlet pipe (16) is sleeved on one end of the flat pipe (3) at the lowermost end;

an air inlet pipe (5) is fixedly arranged at a position, close to one side, of the upper end face of each flat pipe (3), a communicating pipe (6) is fixedly connected between every two adjacent flat pipes (3), and an air outlet pipe (7) is fixedly arranged at a position, close to one end, of the lower end face of each flat pipe (3);

logical groove (17) have been seted up to the inside of flat pipe (3), the inside side both ends position fixed mounting who leads to groove (17) has fixed plate (21), gas collecting tank (23), two have been seted up to the inside of fixed plate (21) fixedly connected with a plurality of air duct (18), a plurality of between fixed plate (21) air duct (18) are a style of calligraphy equidistance and distribute, and air duct (18) and the inner wall phase-match that leads to groove (17), the equal fixed mounting of another side central point of fixed plate (21) puts breather pipe (22), the inner wall that leads to groove (17) is seted up fluted (20), adjacent two be provided with guiding gutter (19) between air duct (18).

2. The water-cooled parallel flow heat exchanger of a row flat pipe according to claim 1, characterized in that: two fixed plate (21) are the symmetry and set up, and are provided with certain space between fixed plate (21) and the inner wall that leads to groove (17), and are located logical groove (17) on two flat pipes (3) and connect through communicating pipe (6).

3. The water-cooled parallel flow heat exchanger of a row flat pipe according to claim 1, characterized in that: the inner wall bottom fixed mounting who leads to groove (17) has a plurality of to be the flange that a style of calligraphy equidistance distributes, and leaves certain space, a plurality of between the top of flange and the inner wall top that leads to groove (17) the top height diverse of flange.

4. The water-cooled parallel flow heat exchanger of a row flat pipe according to claim 1, characterized in that: mounting groove (15) have been seted up to the side of second pressure manifold (2), the inside fixed mounting of mounting groove (15) has breather pipe (10), the side fixed mounting of breather pipe (10) has sleeve pipe (11) and intubate (12), intubate (12) are located the below of sleeve pipe (11), and the cross-sectional area of intubate (12) is less than the cross-sectional area of sleeve pipe (11), the one end of flat pipe (3) is pegged graft in the inside of sleeve pipe (11), the other end of flat pipe (3) cup joints on intubate (12).

5. The water-cooled parallel flow heat exchanger of a row flat pipe according to claim 4, characterized in that: the ventilation pipe (22) on the flat pipe (3) is communicated with the air inlet pipe (5), the ventilation pipe (22) on the flat pipe (3) is communicated with the sleeve (11), and the sleeve (11) and the insertion pipe (12) are in one-to-one correspondence with the two ends of the flat pipe (3) respectively.

6. The water-cooled parallel flow heat exchanger of a row flat pipe according to claim 1, characterized in that: the both ends of flat pipe (3) all are provided with positioning mechanism, and positioning mechanism includes deflector (24), spout (25) have been seted up to the inside of deflector (24), the inside slidable mounting of spout (25) has slide (26), the side fixed mounting of slide (26) has extension rod (27), another terminal surface fixed mounting of extension rod (27) has baffle (28), fixed mounting has a plurality of spring (29) between baffle (28) and flat pipe (3), the lateral surface of baffle (28) is the inclined plane, and baffle (28) keep away from the side of deflector (24) and be provided with anti-skidding line, two baffle (28) are the symmetry and set up, a plurality of spring (29) are annular equidistance and distribute.

7. The water-cooled parallel flow heat exchanger of a row flat pipe according to claim 5, characterized in that: when the positioning mechanism is arranged on the inner wall of the flat pipe (3), the end of the flat pipe (3) is sleeved on the insertion pipe (12), when the positioning mechanism is fixedly arranged on the outer wall of the flat pipe (3), the end of the flat pipe (3) is inserted on the sleeve (11), and two ends of the flat pipe (3) are respectively connected with the insertion pipe (12) and the sleeve (11) in a matched mode through the positioning mechanism.

8. The water-cooled parallel flow heat exchanger of a row flat pipe according to claim 1, characterized in that: two adjacent second collecting pipes (2) that are located the right side, be located the left all be provided with connecting plate (9) between first collecting pipe (1) and second collecting pipe (2), spacing groove (14) have all been seted up to the upper and lower terminal surface of connecting plate (9), the equal fixed mounting of terminal surface corresponding with spacing groove (14) has gag lever post (13) on second collecting pipe (2), gag lever post (13) and spacing groove (14) one-to-one, and gag lever post (13) go up with spacing groove (14) on equal fixed mounting have the magnetic path, magnetic path accordant connection between them.

9. The water-cooled parallel flow heat exchanger of a row flat pipe according to claim 1, characterized in that: the flat pipes (3) are arranged in a longitudinal straight line shape, the circulation lines of the flat pipes (3) are S-shaped, one end of each of the adjacent flat pipes (3) is arranged on one second collecting pipe (2), and the adjacent flat pipes (3) on the same side are not communicated with each other between the second collecting pipes (2).

10. The water-cooled parallel flow heat exchanger of a row flat pipe according to claim 1, characterized in that: the whole body formed by the first collecting pipe (1), the second collecting pipe (2), the flat pipe (3) and the fin (4) is provided with an upper cover plate, a lower cover plate, a front cover plate and a back plate which are matched with each other on the upper end face, the lower end face, the front cover plate and the back plate.

Images