CN113188214A

CN113188214A - Air cooler adopting metal capillary tube heat exchanger

Info

Publication number: CN113188214A
Application number: CN202110747569.4A
Authority: CN
Inventors: 吴晓强
Original assignee: Nantong Baoxue Refrigeration Equipment Co ltd
Current assignee: Nantong Baoxue Refrigeration Equipment Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2021-07-30
Anticipated expiration: 2041-07-02
Also published as: CN113188214B

Abstract

The invention discloses an air cooler adopting a metal capillary heat exchanger, which comprises a shell, an air outlet and an air inlet which are arranged on the shell, a filter which is arranged on the inner walls of the air outlet and the air inlet and comprises the shell, the air outlet and the air inlet which are arranged on the shell, a filter screen which is arranged on the inner walls of the air outlet and the air inlet and a fan which is arranged in the air outlet; the heat exchange tube is composed of a plurality of capillary tubes and a plurality of hoses, and a density adjusting device is arranged in the two mounting plates; the cleaning frame is characterized by further comprising two guide rods fixed on the upper inner wall and the lower inner wall of the shell and a cleaning frame sleeved on the two guide rods in a sliding manner. The invention can be suitable for refrigeration scenes with different requirements, and can clean the capillary tube to ensure the cleanness of the appearance of the capillary tube.

Description

Air cooler adopting metal capillary tube heat exchanger

Technical Field

The invention relates to the technical field of air coolers, in particular to an air cooler adopting a metal capillary tube heat exchanger.

Background

The air cooler is divided into an industrial air cooler for refrigeration and a household air cooler, the industrial air cooler is generally used in a refrigeration house and a cold-chain logistics refrigeration environment, the household air cooler is also called as a water-cooled air conditioner, and the air cooler is an evaporative cooling and ventilating unit integrating cooling, ventilating, dust prevention, odor removal and humidification.

Through retrieval, chinese patent publication No. CN211822915U discloses an air cooler using a metal capillary heat exchanger, which relates to the field of air coolers and aims to solve the problem of poor heat exchange effect of the existing air cooler in the prior art. The outside of air-cooler is provided with the ventilation frame, the internally mounted of ventilation frame has the water pipe, the mount is installed to one side of water pipe, the base is installed to heat exchanger frame's below, one side of heat exchanger frame upper end is provided with the water inlet, one side of air-cooler is provided with the terminal box, the inside of terminal box is provided with binding post, binding post's below is provided with switch, the stabilizer blade is installed to one side of base below, the metal capillary is installed to the inside rear of heat exchanger frame, the lug is installed to one side of heat exchanger frame, the rear of heat exchanger frame is provided with the power cord, the connecting pipe is installed to the below of power cord, the one end of connecting pipe is provided with the outlet pipe.

The above-mentioned patent adopts the metal capillary to strengthen the heat transfer effect of air-cooler, but it explains in the beneficial effect of description: the metal capillary tube can meet the requirements of refrigerant devices with different working conditions and different refrigerating capacities through various combinations of length and tube diameter, and the metal capillary tube cannot change along with the change of load after being selected and installed. When the refrigerant requirements of different working conditions and different refrigerating capacities are met, the original metal capillary tube needs to be frequently detached and replaced by a new metal capillary tube which can adapt to the current requirements, so that the operation is very troublesome, the metal capillary tube adapts to the requirements by changing the length and the pipe diameter, and on the other hand, the density of the metal capillary tube can be changed at the air inlet to adapt to different requirements. In addition, in the process of using the metal capillary tube for a long time, fine dust is inevitably adhered to the outer surface of the metal capillary tube, so that the normal heat dissipation of the metal capillary tube is influenced, and the heat exchange effect is reduced.

To this end, we propose an air cooler using a metal capillary heat exchanger to solve the above problems.

Disclosure of Invention

The invention aims to provide an air cooler adopting a metal capillary heat exchanger, which can be suitable for different requirements and can automatically clean dust adhered to the outer wall of a tube.

In order to achieve the purpose, the invention adopts the following technical scheme:

an air cooler adopting a metal capillary heat exchanger comprises a shell, an air outlet and an air inlet which are arranged on the shell, a filter which is arranged on the inner wall of the air outlet and the air inlet and comprises the shell, the air outlet and the air inlet which are arranged on the shell, a filter screen which is arranged on the inner wall of the air outlet and the air inlet and a fan which is arranged in the air outlet; the heat exchange tube is composed of a plurality of capillary tubes and a plurality of hoses, and a density adjusting device is arranged in the two mounting plates; the cleaning frame is characterized by further comprising two guide rods fixed on the upper inner wall and the lower inner wall of the shell, and a cleaning frame sleeved on the two guide rods in a sliding mode, wherein a cleaning groove is formed in the cleaning frame, a plurality of brushes are fixed on the inner wall of the cleaning groove, a dust suction cavity is formed in the periphery of the cleaning groove of the cleaning frame, a plurality of dust suction holes are formed in the dust suction cavity, one side of the dust suction cavity is connected with a dust collector through a dust suction pipe, and the lower end of the cleaning frame is elastically connected with a machine wing plate through two connecting rods.

Preferably, the inner diameter of the hose is larger than the inner diameter of the capillary.

Preferably, one side surface of each of the two mounting plates, which is close to each other, and the upper inner side surface and the lower inner side surface of the air inlet are respectively positioned on the same horizontal plane.

Preferably, the density adjusting device comprises a sliding chute arranged on one side of the mounting plate close to the air inlet, each guide wheel is connected with a sliding block in sliding connection with the sliding chute, each row of two sliding blocks positioned at the end part are in common threaded connection with a bidirectional threaded rod, the two sliding blocks are symmetrically distributed on the bidirectional threaded rod, through holes in clearance fit with the bidirectional threaded rod are formed in a plurality of sliding blocks positioned in the middle of each row, a first spring is abutted outside the rod of the bidirectional threaded rod between every two adjacent sliding blocks in each row, and the inner diameter of the first spring is larger than the inner diameter of the through hole; the device also comprises a driving device for driving the two bidirectional threaded rods.

Preferably, the driving device comprises a rotating cavity arranged in one side of the shell, the same side end of each bidirectional threaded rod penetrates through the shell and is in interference fit with a belt pulley, a synchronous belt is sleeved on the two belt pulleys together, and a motor used for driving one of the bidirectional threaded rods is fixedly mounted on one side surface of the shell.

Preferably, a sliding cavity is formed in the wing plate, the lower end of the connecting rod penetrates through the upper end of the wing plate, extends into the sliding cavity and is fixedly connected with a sliding plate in sliding connection with the sliding cavity, and the inner top wall of the sliding plate and the inner top wall of the sliding cavity are abutted to a second spring outside the rod of the connecting rod.

Preferably, still include from the controller of supreme vertical distribution's of follow first contact, second contact, third contact, fourth contact and with each contact electric connection, and controller and dust catcher signal connection, the up end at the wing board is fixed to first contact, second contact and third contact are fixed respectively at the lower terminal surface and the up end of clean frame, the interior top surface at the casing is fixed to the fourth contact.

Preferably, the wing plate has an upper section length in the uniform cross section greater than a lower section length.

Preferably, two the guide bars are at same high fixedly connected with stopper.

Preferably, the fan is an axial fan.

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

1. the density adjusting device acting on the plurality of capillary tubes is arranged to adjust the density of the capillary tubes in the air duct, so that the device is suitable for scenes with different working conditions or different refrigerating capacities, does not need to replace the capillary tubes according to requirements, and is particularly suitable for scenes with frequently changed requirements;

2. the invention utilizes the lifting force generated by wind power to the wing plate to control the opening and closing of the dust collector, and the dust collector can suck dust generated by cleaning a plurality of capillaries by the hairbrush in the process of lifting the cleaning frame, thereby avoiding the condition that the refrigeration effect is influenced due to poor cleanliness of the capillaries.

Drawings

Fig. 1 is a schematic structural diagram of the back surface of an air cooler using a metal capillary heat exchanger according to the present invention (the heat exchange tube and the cleaning frame are not shown);

fig. 2 is a schematic structural diagram of the front side of an air cooler using a metal capillary heat exchanger according to the present invention (the heat exchange tube is not shown);

FIG. 3 is a structural cross-sectional view of the back of an air cooler using a metal capillary heat exchanger according to the present invention;

FIG. 4 is a partially enlarged schematic view of FIG. 3;

FIG. 5 is a schematic structural view of a joint between an air cooler mounting plate and a guide wheel using a metal capillary heat exchanger according to the present invention;

FIG. 6 is a cross-sectional view of the structure of the side of the air cooler mounting plate where the slider and the chute are engaged according to the invention;

FIG. 7 is a schematic structural view of a connection between a cleaning frame and a wing plate of an air cooler using a metal capillary heat exchanger according to the present invention;

FIG. 8 is a cross-sectional view of the structure of the side of the connection between the cleaning frame and the wing plate of the air cooler using the metal capillary heat exchanger according to the present invention;

fig. 9 is a top sectional view and a partial enlarged view of a cleaning frame of an air cooler using a metal capillary heat exchanger according to the present invention.

In the figure: the device comprises a shell 1, an air outlet 2, an air inlet 3, a filter screen 4, a fan 5, a mounting plate 6, a sliding chute 7, a sliding block 8, a guide wheel 9, a bidirectional threaded rod 10, a through hole 11, a motor 12, a rotating cavity 13, a belt wheel 14, a synchronous belt 15, a heat exchange tube 16, a capillary tube 161, a hose 162, a first spring 17, a guide rod 18, a limiting block 19, a cleaning frame 20, a cleaning groove 201, a brush 202, a connecting rod 21, a wing plate 22, a sliding cavity 221, a sliding plate 222, a second spring 223, a first contact 224, a second contact 225, a third contact 226, a fourth contact 227, a dust collector 23, a dust collection tube 24, a dust collection cavity 241 and a dust collection hole 242.

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.

Example 1

Referring to fig. 1-9, an air cooler using a metal capillary heat exchanger comprises a housing 1 with a square box structure, an air outlet 2 and an air inlet 3 which are arranged on the front back surface of the housing 1 and have the same size, a filter screen 4 which is arranged on the inner walls of the air outlet 2 and the air inlet 3 and is flush with the side surface of the housing 1, and a fan 5 which is arranged in the air outlet 2;

still including two mounting panels 6 of fixed connection at casing 1 upper and lower inner wall, near air intake 3 respectively, the side that two mounting panels 6 are close to each other is in same horizontal plane respectively with the upper and lower medial surface of air intake 3, and two mounting panels 6 can not produce the air current and block.

The two mounting plates 6 are provided with a plurality of guide wheels 9 at one side close to the air inlet 3 in a staggered and equidistant arrangement mode, the number of the two rows of guide wheels 9 is different, referring to fig. 3, two sides of the outer peripheral surface of each guide wheel 9 are recessed inwards to form guide surfaces, the sections of the guide surfaces are of arc groove structures which are symmetrically distributed, the two rows of guide wheels 9 are wound with heat exchange tubes 16 together, each heat exchange tube 16 is formed by connecting a plurality of capillaries 161 and a plurality of hoses 162 in a staggered mode, the hoses 162 are in contact with the guide surfaces, the inner diameters of the hoses 162 are larger than those of the capillaries 161, and the capillaries 161 are metal capillaries and cannot be bent, so that the hoses 162 are in contact with the guide wheels 9, and the capillaries 161 are not affected.

Two ends of the heat exchange tube 16 are respectively arranged by penetrating through two side walls of the shell 1, and density adjusting devices are arranged in the two mounting plates 6; specifically, the density adjusting device comprises a sliding groove 7 arranged on one side, close to the air inlet 3, of the mounting plate 6, each guide wheel 9 is connected with a sliding block 8 connected with the sliding groove 7 in a sliding mode, and the sliding blocks 8 and the sliding grooves 7 are of structures with limiting effects, such as T-shaped structures and dovetail-shaped structures.

The two sliders 8 located at the end of each row are inserted with a bidirectional threaded rod 10 in a common threaded mode, the two sliders 8 are symmetrically distributed on the bidirectional threaded rod 10, through holes 11 in clearance fit with the bidirectional threaded rod 10 are formed in the sliders 8 located at the middle of each row, interference on rotation of the bidirectional threaded rod 10 is avoided, a first spring 17 abuts against the outside of the rod of the bidirectional threaded rod 10 between every two adjacent sliders 8 in each row, the inner diameter of the first spring 17 is larger than that of the through holes 11, and the first spring 17 is used for enabling the change of the distance between the two adjacent sliders 8 to be consistent within the elastic limit.

Still including the drive arrangement who is used for driving two-way threaded rod 10, it is concrete, drive arrangement is including seting up the rotation chamber 13 in casing 1 one side, the same side of each two-way threaded rod 10 runs through casing 1 and interference fit has band pulley 14, two band pulleys 14 have cup jointed hold-in range 15 jointly, a side fixed mounting of casing 1 has the motor 12 that is used for driving one of them two-way threaded rod 10, through the meshing of band pulley 14 with hold-in range 15, motor 12 is to two-way threaded rod 10 synchronous transmission torque in the course of the work.

The cleaning device further comprises two guide rods 18 fixed on the upper inner wall and the lower inner wall of the shell 1, and a cleaning frame 20 sleeved on the two guide rods 18 in a sliding mode and used for cleaning the capillaries 161, the guide rods 18 enable the cleaning frame 20 to move only in the vertical direction, the two guide rods 18 are fixedly connected with limiting blocks 19 at the same height, the descending height of the cleaning frame 20 is limited, and the wing plates 22 are enabled to be under the cleaning frame 20 and to be subjected to wind power when the fan 5 is started.

A cleaning groove 201 for accommodating a plurality of capillary tubes 161 is arranged in the cleaning frame 20, a plurality of brushes 202 are uniformly fixed on the inner wall of the cleaning groove 201, the brushes 202 are densely distributed and can brush off dust on the outer surfaces of the capillary tubes 161 due to flexibility, a dust suction cavity 241 with the same shape and the larger size than the cleaning groove 201 is arranged at the periphery of the cleaning groove 201 of the cleaning frame 20, a plurality of dust suction holes 242 are uniformly arranged in the dust suction cavity 241, one side of the dust suction cavity 241 is connected with a dust collector 23 through a dust suction pipe 24, the dust collector 23 is fixedly arranged at one side of the shell 1, the dust collector 23 absorbs dust through the dust suction pipe 24, the dust suction cavity 241 and the dust suction holes 242, a machine wing plate 22 is elastically connected at the lower end of the cleaning frame 20 through two connecting rods 21, the length of an upper section line of the machine wing plate 22 under a uniform section is larger than the lower length, the air flow velocity of the upper end surface of the machine wing plate 22 is larger than the air velocity of the lower end surface, the air velocity is smaller, thereby generating lift.

A sliding cavity 221 is formed in the wing plate 22, the lower end of the connecting rod 21 penetrates through the upper end of the wing plate 22, extends into the sliding cavity 221 and is fixedly connected with a sliding plate 222 in sliding connection with the sliding cavity 221, and the sliding plate 222 and the inner top wall of the sliding cavity 221 are abutted with a second spring 223 outside the rod of the connecting rod 21.

The cleaning device further comprises a first contact 224, a second contact 225, a third contact 226 and a fourth contact 227 which are vertically distributed from bottom to top and a controller which is electrically connected with the contacts, the controller is in signal connection with the dust collector 23, the first contact 224 is fixed on the upper end face of the wing plate 22, the second contact 225 and the third contact 226 are respectively fixed on the lower end face and the upper end face of the cleaning frame 20, the fourth contact 227 is fixed on the inner top face of the shell 1, signals are sent to the controller after the first contact 224 is in contact with the second contact 225, and the third contact 226 is in contact with the fourth contact 227, and the controller controls the on and off of the dust collector 23.

When the air conditioner is in normal use, the fan 5 can pump the air filtered by the filter screen 4 to flow from back to front, and the air flows out of the shell 1 through the air outlet 2 after the heat exchange of the capillary tubes 161.

The density of the capillary tube 161 in the air duct formed by the air outlet 2 and the air inlet 3 can be adjusted according to different working conditions or refrigerating capacity requirements, and the density adjusting method comprises the following specific steps:

the two bidirectional threaded rods 10 are driven synchronously by the driving device, the two sliding blocks 8 at the end parts in each row in each mounting plate 6 can slide back to back or oppositely, and because the stretching amounts of the first springs 17 in the range of the elastic limit are the same, the sliding blocks 8 synchronously drive each row of guide wheels 9 to take the uniform surface which is uniformly cut into two parts when being observed from the front as the center to show the phenomenon of uniform expansion or folding, so that the density of the capillary tubes 161 in the air duct is reduced or increased, and the device is suitable for different requirements. It should be noted that the hose 162 is connected between every two adjacent capillaries 161, the inner diameter of the hose 162 is larger than that of the capillary 161, and the capillary 161 has certain structural strength, when the density of the capillary 161 in the air duct changes, the section of the hose 162 is slightly deformed, and the flow of the coolant in the heat exchange tube 16 is influenced negligibly.

Before the invention is used, the cleaning frame 20 is arranged at the upper ends of the two limit blocks 19 under the action of self weight, the wing plates 22 are arranged at the lower positions in the air duct, in the process of using the invention, due to the special structure of the wing plate 22, during the operation of the fan 5, the speed of the air flowing through the upper end surface of the wing plate 22 is larger than that of the air flowing through the lower end surface of the wing plate 22, according to bernoulli's principle, the wing plate 22 generates an upward lifting force, overcomes the elastic force of the second spring 223 and then overcomes the gravity of other structures to stably rise, in order to ensure that the wing plate 22 overcomes the elastic force of the second spring 223, it is possible to design the gravity of other structures to be greater than the elastic force of the second spring 223 in the principle of easy before difficult, as the first contact 224 is after contact with the second contact 225, the cleaning frame 20, the connecting rod 21 and the wing plate 22 rise integrally along the guide rod 18, and finally the third contact 226 is contacted with the fourth contact 227;

a signal is sent to the controller when either the first contact 224 is in contact with the second contact 225 or the third contact 226 is in contact with the fourth contact 227, after the first contact 224 contacts with the second contact 225, the controller receives a signal to control the operation of the vacuum cleaner 23, the vacuum cleaner 23 generates a suction force to the inside of the cleaning tank 201 through the suction pipe 24, the suction chamber 241 and the plurality of suction holes 242, during the process of lifting the cleaning frame 20, the brush 202 can clean dust from the capillary tube 161 in the cleaning groove 201, the dust can be separated from the capillary tube 161 and sucked into the vacuum cleaner 23 under the suction force, the vacuum cleaner 23 can be cleaned later, until the second contact 225 contacts with the third contact 226, the controller controls the vacuum cleaner 23 to stop working, after the fan 5 stops working, the cleaning frame 20, the connecting rod 21 and the wing plate 22 fall under the self weight, so that the single cleaning process of the single switch is realized, and the condition that dust is adhered to the outer surface of the capillary tube 161 to influence the refrigeration effect is avoided.

Example 2

The improvement of this example over example 1 is that: the fan 5 is an axial flow fan, the axial flow fan is selected, so that air flows in parallel to the fan shaft, and when the fan is used in occasions with high flow requirements, on the basis that the wing plate 22 can rise, air flow completely passes through the capillary tube 161, and the refrigeration effect is ensured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an adopt air-cooler of metal capillary heat exchanger which characterized in that: comprises a shell (1), an air outlet (2) and an air inlet (3) which are arranged on the shell (1), a filter screen (4) which is arranged on the inner walls of the air outlet (2) and the air inlet (3) and a fan (5) which is arranged in the air outlet (2);

the device is characterized by further comprising two mounting plates (6) fixedly connected to the upper inner wall and the lower inner wall of the shell (1) respectively, wherein a plurality of guide wheels (9) are arranged on one side, close to the air inlet (3), of the two mounting plates (6), two rows of guide wheels (9) are wound with a heat exchange tube (16) together, the heat exchange tube (16) is composed of a plurality of capillary tubes (161) and a plurality of hoses (162), and density adjusting devices are arranged in the two mounting plates (6);

still include two guide bar (18), the slip of fixing inner wall about casing (1) and cup joint clean frame (20) on two guide bar (18), be equipped with clean groove (201) in clean frame (20), the inner wall of clean groove (201) is fixed with a plurality of brushes (202), dust absorption chamber (241) have been seted up in the periphery of clean groove (201) in clean frame (20), a plurality of dust absorption holes (242) have been seted up in dust absorption chamber (241), one side in dust absorption chamber (241) is connected with dust catcher (23) through dust absorption pipe (24), the lower extreme of clean frame (20) has machine pterygoid lamina (22) through two connecting rod (21) elastic connection.

2. An air cooler using a metal capillary tube heat exchanger according to claim 1, wherein: the inner diameter of the hose (162) is larger than the inner diameter of the capillary tube (161).

3. An air cooler using a metal capillary tube heat exchanger according to claim 1, wherein: two a side face of the mounting plate (6) close to each other and the upper inner side face and the lower inner side face of the air inlet (3) are respectively positioned on the same horizontal plane.

4. An air cooler using a metal capillary tube heat exchanger according to claim 1, wherein: the density adjusting device comprises a sliding groove (7) formed in one side, close to the air inlet (3), of the mounting plate (6), each guide wheel (9) is connected with a sliding block (8) in sliding connection with the sliding groove (7), each row of two sliding blocks (8) located at the end are jointly in threaded connection with a bidirectional threaded rod (10), the two sliding blocks (8) are symmetrically distributed on the bidirectional threaded rod (10), through holes (11) in clearance fit with the bidirectional threaded rods (10) are formed in the multiple sliding blocks (8) located in the middle of each row, a first spring (17) abuts against the outside of the rod of the bidirectional threaded rod (10) between every two adjacent sliding blocks (8) in each row, and the inner diameter of the first spring (17) is larger than that of the through holes (11);

also comprises a driving device for driving the two bidirectional threaded rods (10).

5. An air cooler using a metal capillary tube heat exchanger according to claim 4, wherein: the driving device comprises a rotating cavity (13) arranged in one side of the shell (1), the same side end of each two-way threaded rod (10) penetrates through the shell (1) and is in interference fit with a belt pulley (14), two synchronous belts (15) are sleeved on the belt pulleys (14) together, and a motor (12) used for driving one of the two-way threaded rods (10) is fixedly mounted on one side face of the shell (1).

6. An air cooler using a metal capillary tube heat exchanger according to claim 1, wherein: a sliding cavity (221) is formed in the wing plate (22), the lower end of the connecting rod (21) penetrates through the upper end of the wing plate (22), extends into the sliding cavity (221), and is fixedly connected with a sliding plate (222) in sliding connection with the sliding cavity (221), and the sliding plate (222) and the inner top wall of the sliding cavity (221) are abutted with a second spring (223) outside the rod of the connecting rod (21).

7. An air cooler using a metal capillary tube heat exchanger according to claim 6, wherein: still include from the controller of supreme vertical distribution's of follow first contact (224), second contact (225), third contact (226), fourth contact (227) and with each contact electric connection, and controller and dust catcher (23) signal connection, the up end at wing board (22) is fixed in first contact (224), lower terminal surface and the up end at clean frame (20) are fixed respectively in second contact (225) and third contact (226), the interior top surface at casing (1) is fixed in fourth contact (227).

8. An air cooler using a metal capillary tube heat exchanger according to claim 1, wherein: the length of an upper section line of the wing plate (22) under the uniform cross section is greater than that of a lower section line.

9. An air cooler using a metal capillary tube heat exchanger according to claim 1, wherein: two guide rods (18) are fixedly connected with a limiting block (19) at the same height.

10. An air cooler using a metal capillary tube heat exchanger according to claim 1, wherein: the fan (5) is an axial flow fan.