Air conditioner receiver-drier and using method

Abstract

The invention relates to the technical field of automobile air conditioners, in particular to an air conditioner receiver-drier and a using method thereof. A liquid inlet hole (2) and a liquid outlet hole (3) are respectively formed in the cylinder body (1); a straw (4) is arranged in the barrel body (1); one end of the suction tube (4) is connected with the liquid outlet hole (3); the other end of the suction pipe (4) is connected with a filter screen assembly (5); the filter screen assembly (5) is connected with a plug cap (6); a limiting structure is arranged on the plug cap (6); the limiting structure is propped against the end part of the barrel body (1); the cooling liquid is fully dried after penetrating through the drying agent bag, and moisture in the cooling liquid is completely absorbed; the filter screen assembly is used for completely filtering impurities in the cooling liquid; and the limiting structure can limit the plug cap, so that the filter screen assembly can be prevented from being crushed due to excessive screwing of the plug cap.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile air conditioners, and in particular to an air conditioner liquid storage dryer and a use method thereof. Background Art

[0002] The existing filter screens are all made of plastic and are injection molded, resulting in insufficient strength of the filter itself. The partition between the existing liquid inlet and outlet of the cylinder is formed by the inner end of the filter screen in close contact with the inner wall of the cylinder to form a sealed partition. Since the filter screen itself is insufficiently strong, the sealing structure between the inner end of the filter screen and the inner wall of the cylinder is also insufficient in strength, which easily causes the refrigerant to seep out of the sealing structure, resulting in impurities in the refrigerant cannot be completely filtered out. At the same time, the filter screen may be deformed as the plugging cap is screwed into the cylinder, resulting in failure of the filtering function.

[0003] After searching, the applicant found that the Chinese patent document with publication number 211204530U disclosed an air-conditioning liquid storage dryer on August 7, 2020, including a liquid storage tank, a refrigerant liquid inlet pipe and a refrigerant liquid outlet pipe, the liquid storage tank is provided with a cavity, the cavity is provided with a layer of desiccant, the lower end of the refrigerant liquid outlet pipe passes through the desiccant and enters the bottom of the cavity, the lower end of the refrigerant liquid inlet pipe is located at the upper part of the cavity, and a heat conduction pipe is also provided at the upper part of the cavity, one end of the heat conduction pipe is inserted into the upper part of the cavity, and the other end extends to the outside of the liquid storage tank, the heat conduction pipe located outside the liquid storage tank is provided with a semiconductor refrigeration plate, and the cold end of the semiconductor refrigeration plate is in contact with the outer wall of the heat conduction pipe; this device also cannot solve the above-mentioned technical problems.

[0004] Therefore, in order to improve or solve at least one of the above problems, it is necessary to provide an air conditioning liquid storage dryer that can improve the filtering effect of impurities in the coolant. Summary of the invention

[0005] The object of the present invention is to provide an air conditioner liquid storage dryer capable of improving the filtering effect of impurities in coolant.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: an air-conditioning liquid storage dryer, comprising a cylinder; a liquid inlet hole and a liquid outlet hole are respectively provided on the cylinder; a suction pipe is provided in the cylinder; one end of the suction pipe is connected to the liquid outlet hole; the other end of the suction pipe is connected to a filter assembly; the filter assembly is connected to a blocking cap; a limiting structure is provided on the blocking cap; the limiting structure is tightly pressed against the end of the cylinder.

[0007] A desiccant bag is arranged on the straw; the desiccant bag is arranged between the liquid inlet hole and the filter assembly.

[0008] The end of the cylinder is provided with a mounting hole; the blocking cap is connected in the mounting hole; the limiting structure includes a retaining edge; the retaining edge is provided at the end of the blocking cap; the retaining edge is tightly pressed against the cylinder.

[0009] The plugging cap is provided with a mounting groove; the mounting groove is arranged on the side wall of the plugging cap; a sealing ring is arranged in the mounting groove; the sealing ring is tightly pressed against the inner wall of the cylinder.

[0010] The cylinder body is provided with an internal thread; the side wall of the plugging cap is provided with an external thread; the external thread is connected with the internal thread.

[0011] The filter assembly includes a mounting seat; one side of the mounting seat is connected to the plugging cap; a filter and a socket are respectively provided on the mounting seat; the straw is connected to the socket; one side of the filter is connected to the interior of the cylinder, and the other side of the filter is connected to the straw.

[0012] A bending section is provided at one end of the straw away from the filter assembly; the bending section is connected to the liquid outlet; a connecting protrusion is provided on the cylinder; the connecting protrusion is provided on both the liquid inlet and the liquid outlet; and the end of the bending section is inserted into the connecting protrusion.

[0013] The desiccant bag is provided with desiccant; and the end of the plugging cap close to the retaining edge is provided with an inner hexagonal blind hole.

[0014] A first cavity is provided on one side of the desiccant bag, and a second cavity is provided on the other side of the desiccant bag; the first cavity is provided between the desiccant bag and the filter assembly.

[0015] A method for using the air conditioner liquid storage dryer, the method comprising the following steps:

[0016] 1) The coolant enters the second cavity from the liquid inlet hole and enters the first cavity through the desiccant bag;

[0017] 2) The coolant enters the suction tube through the filter;

[0018] 3) The coolant flows out of the device from the liquid outlet through the bending section.

[0019] The beneficial effects of this application are:

[0020] 1. The coolant of the present application flows into the interior of the cylinder through the liquid inlet hole, and the desiccant bag is arranged on the periphery of the suction pipe and is in close contact with the inner wall of the cylinder; the coolant is fully dried after passing through the desiccant bag, and the moisture in the coolant is completely absorbed; the coolant then enters the filter assembly, and the filter completely filters out impurities in the coolant, such as rust, dirt, metal particles, etc.; finally, the coolant after drying and filtering is completed flows out from the liquid outlet hole through the suction pipe; the drying and filtering operation of the device is stable and reliable, and the filtering effect is good, and the impurities in the coolant can be completely filtered out.

[0021] 2. The plugging cap of the present application is provided with a retaining edge, which can limit the plugging cap and prevent the plugging cap from being screwed in too much and damaging the filter assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The specific embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings, wherein:

[0023] Figure 1 It is a structural schematic diagram of the air-conditioning liquid storage dryer and its use method.

[0024] Figure 2 The present invention is a structural schematic diagram of the plugging cap of the air-conditioning liquid storage dryer and the method for using the same.

[0025] Figure 3 The present invention is a schematic diagram of the structure of the filter assembly of the air conditioner liquid storage dryer and the method of use.

[0026] The marks in the above figure are:

[0027] The markings in the figure are:

[0028] 1. Cylinder, 101. Mounting hole, 102. Connecting bump,

[0029] 2. Liquid inlet hole,

[0030] 3. Liquid outlet hole,

[0031] 4. Straw, 401, bending section,

[0032] 5. Filter assembly, 501. Mounting seat, 502. Filter, 503. Socket,

[0033] 6. Plug cap, 601. Rib, 602. Mounting groove, 603. Sealing ring, 604. External thread, 605. Hexagonal blind hole,

[0034] 7. Desiccant pack, 701, desiccant,

[0035] 8. First cavity, 801. Second cavity. DETAILED DESCRIPTION

[0036] The specific implementation methods of the present invention are further explained in detail below by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention and facilitating their implementation.

[0037] Figure 1 The air-conditioning liquid storage dryer shown includes a cylinder 1; a liquid inlet hole 2 and a liquid outlet hole 3 are respectively provided on the cylinder 1; a suction pipe 4 is provided in the cylinder 1; one end of the suction pipe 4 is connected to the liquid outlet hole 3; the other end of the suction pipe 4 is connected to a filter assembly 5; the filter assembly 5 is connected to a blocking cap 6; a limiting structure is provided on the blocking cap 6; the limiting structure is tightly pressed against the end of the cylinder 1.

[0038] The coolant flows into the interior of the cylinder 1 through the liquid inlet 2, and the desiccant bag 7 is arranged on the periphery of the suction tube 4 and is in close contact with the inner wall of the cylinder 1; the coolant is fully dried after passing through the desiccant bag 7, and the moisture in the coolant is completely absorbed; the coolant then enters the filter assembly 5, and the filter assembly 5 completely filters out impurities in the coolant, such as rust, dirt, metal particles, etc.; finally, the coolant after dry filtration flows out from the liquid outlet 3 through the suction tube 4; the dry filtration operation of the device is stable and reliable, and the filtration effect is good, and the impurities in the coolant can be completely filtered out; the limiting structure can limit the blocking cap 6, and can prevent the blocking cap 6 from being screwed in too much and damaging the filter assembly 5.

[0039] A desiccant bag 7 is provided on the suction tube 4 ; the desiccant bag 7 is arranged between the liquid inlet hole 2 and the filter assembly 5 .

[0040] The desiccant bag 7 is fixedly sleeved on the outer periphery of the suction tube 4; the desiccant bag 7 is tightly attached to the inner wall of the cylinder 1; when the coolant in the liquid inlet hole 2 flows into the cylinder 1, it will first pass through the desiccant bag 7; the desiccant bag 7 can absorb moisture in the coolant, reduce the water content in the coolant, prevent ice blockage and corrosion, and ensure the normal operation of the system.

[0041] The end of the cylinder 1 is provided with a mounting hole 101 ; the plugging cap 6 is connected in the mounting hole 101 ; the limiting structure includes a rib 601 ; the rib 601 is provided at the end of the plugging cap 6 ; the rib 601 is tightly pressed against the cylinder 1 .

[0042] One end of the cylinder 1 is closed, and the other end of the cylinder 1 is open; the plugging cap 6 is installed at the end of the cylinder 1 through the mounting hole 101, thereby ensuring that the internal space of the cylinder 1 is closed; the rib 601 and the plugging cap 6 are an integral structure; the rib 601 can be tightly pressed against the end of the cylinder 1, thereby limiting the plugging cap 6 and preventing the plugging cap 6 from being screwed in too much and damaging the filter assembly 5.

[0043] The plugging cap 6 is provided with a mounting groove 602 ; the mounting groove 602 is provided on the side wall of the plugging cap 6 ; a sealing ring 603 is provided in the mounting groove 602 ; the sealing ring 603 is tightly pressed against the inner wall of the cylinder 1 .

[0044] Two mounting grooves 602 are provided on the side wall of the plugging cap 6 ; the sealing ring 603 is installed in the mounting groove 602 and is pressed tightly against the inner wall of the cylinder 1 , so as to achieve a sealing operation inside the cylinder 1 .

[0045] The cylinder 1 is provided with an internal thread; the side wall of the plugging cap 6 is provided with an external thread 604; the external thread 604 is connected to the internal thread.

[0046] The plugging cap 6 is threadedly connected to the end of the cylinder 1 , thereby achieving a stable connection between the plugging cap 6 and the cylinder 1 and facilitating the installation and removal operations of the plugging cap 6 .

[0047] The filter assembly 5 includes a mounting seat 501; one side of the mounting seat 501 is connected to the plugging cap 6; a filter 502 and a socket 503 are respectively provided on the mounting seat 501; the straw 4 is connected to the socket 503; one side of the filter 502 is connected to the interior of the cylinder 1, and the other side of the filter 502 is connected to the straw 4.

[0048] One side of the mounting seat 501 is fixedly connected to the plugging cap 6; a filter screen 502 is integrally injection-molded on the mounting seat 501; a socket 503 is provided on the mounting seat 501; the straw 4 is inserted into the socket 503, thereby achieving a stable connection between the straw 4 and the mounting seat 501 and facilitating the filtered coolant to flow into the straw 4.

[0049] A bending section 401 is provided at one end of the straw 4 away from the filter assembly 5; the bending section 401 is connected to the liquid outlet 3; a connecting protrusion 102 is provided on the cylinder 1; both the liquid inlet 2 and the liquid outlet 3 are provided with connecting protrusions 102; the end of the bending section 401 is inserted into the connecting protrusion 102.

[0050] The bending section 401 is directly inserted into the liquid outlet hole 3 ; the connecting protrusion 102 is an annular protrusion, and the connecting protrusion 102 cooperates with the liquid outlet hole 3 to realize the positioning of the suction tube 4 and ensure that the coolant in the liquid outlet hole 3 flows out from the suction tube 4 .

[0051] The desiccant bag 7 is provided with a desiccant 701 ; and the end of the plugging cap 6 close to the retaining edge 601 is provided with an inner hexagonal blind hole 605 .

[0052] The hexagonal blind hole 605 can facilitate the installation and removal operations of the plugging cap 6 and improve work efficiency.

[0053] A first cavity 8 is provided on one side of the desiccant bag 7 , and a second cavity 801 is provided on the other side of the desiccant bag 7 ; the first cavity 8 is provided between the desiccant bag 7 and the filter assembly 5 .

[0054] After being dried by the desiccant bag 7, the coolant in the second cavity 801 enters the first cavity 8 and then enters the filter assembly 5 for filtration; the desiccant bag 7 can absorb moisture in the coolant, reduce the water content in the coolant, prevent ice blockage and corrosion, and ensure the normal operation of the system.

[0055] A method for using an air conditioner liquid storage dryer, the method comprising the following steps:

[0056] 1) The coolant enters the second cavity 801 from the liquid inlet 2 and enters the first cavity 8 through the desiccant bag 7;

[0057] 2) The coolant enters the suction tube 4 through the filter 502;

[0058] 3) The cooling liquid flows out of the device from the liquid outlet 3 through the bending section 401 .

[0059] Step 1) can realize the drying operation of the coolant; step 2) can fully filter the impurities in the coolant; step 3) discharges the dried and filtered coolant out of the device.

[0060] The specific workflow of the present invention is as follows:

[0061] 1) The coolant enters the second cavity 801 from the liquid inlet 2 and enters the first cavity 8 through the desiccant bag 7;

[0062] 2) The coolant enters the suction tube 4 through the filter 502;

[0063] 3) The cooling liquid flows out of the device from the liquid outlet 3 through the bending section 401 .

[0064] The present invention is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-mentioned methods. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention; or the above concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. An air conditioning liquid storage dryer, characterized in that: The invention comprises a cylinder (1); the cylinder (1) is respectively provided with a liquid inlet hole (2) and a liquid outlet hole (3); a suction pipe (4) is provided in the cylinder (1); one end of the suction pipe (4) is connected to the liquid outlet hole (3); the other end of the suction pipe (4) is connected to a filter assembly (5); the filter assembly (5) is connected to a blocking cap (6); a limiting structure is provided on the blocking cap (6); the limiting structure is tightly abutted against the end of the cylinder (1).

2. An air conditioning liquid storage dryer according to claim 1, characterized in that: A desiccant bag (7) is provided on the suction tube (4); the desiccant bag (7) is arranged between the liquid inlet hole (2) and the filter assembly (5).

3. An air conditioning liquid storage dryer according to claim 2, characterized in that: The end of the cylinder (1) is provided with a mounting hole (101); the blocking cap (6) is connected to the mounting hole (101); the limiting structure comprises a retaining edge (601); the retaining edge (601) is provided at the end of the blocking cap (6); the retaining edge (601) is tightly abutted against the cylinder (1).

4. An air conditioning liquid storage dryer according to any one of claims 2-3, characterized in that: The blocking cap (6) is provided with a mounting groove (602); the mounting groove (602) is provided on the side wall of the blocking cap (6); a sealing ring (603) is provided in the mounting groove (602); the sealing ring (603) is tightly pressed against the inner wall of the cylinder (1).

5. An air conditioning liquid storage dryer according to claim 4, characterized in that: The cylinder (1) is provided with an internal thread; the side wall of the plugging cap (6) is provided with an external thread (604); the external thread (604) is connected to the internal thread.

6. An air conditioning liquid storage dryer according to claim 5, characterized in that: The filter assembly (5) comprises a mounting seat (501); one side of the mounting seat (501) is connected to the plugging cap (6); a filter (502) and a plug hole (503) are respectively provided on the mounting seat (501); the suction pipe (4) is connected to the plug hole (503); one side of the filter (502) is connected to the interior of the cylinder (1), and the other side of the filter (502) is connected to the suction pipe (4).

7. An air conditioning liquid storage dryer according to any one of claims 5-6, characterized in that: A bent section (401) is provided at one end of the suction tube (4) away from the filter assembly (5); the bent section (401) is connected to the liquid outlet hole (3); a connecting protrusion (102) is provided on the cylinder body (1); the connecting protrusion (102) is provided on both the liquid inlet hole (2) and the liquid outlet hole (3); and the end of the bent section (401) is inserted into the connecting protrusion (102).

8. An air conditioning liquid storage dryer according to claim 7, characterized in that: The desiccant bag (7) is provided with a desiccant (701); and the plugging cap (6) is provided with an inner hexagonal blind hole (605) at one end close to the retaining edge (601).

9. An air conditioning liquid storage dryer according to claim 8, characterized in that: A first cavity (8) is provided on one side of the desiccant bag (7), and a second cavity (801) is provided on the other side of the desiccant bag (7); the first cavity (8) is provided between the desiccant bag (7) and the filter assembly (5).

10. A method for using the air-conditioning liquid storage dryer according to any one of claims 1 to 9, characterized in that: The method of use comprises the following steps: 1) The cooling liquid enters the second cavity (801) from the liquid inlet hole (2) and enters the first cavity (8) through the desiccant bag (7); 2) The cooling liquid passes through the filter (502) and enters the suction pipe (4); 3) The cooling liquid flows out of the device from the liquid outlet (3) through the bending section (401).

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