Internal and external circulation double-air-door structure of automobile air conditioner and control method

Abstract

The invention relates to the technical field of automobile air conditioners, in particular to an internal and external circulation double-air-door structure of an automobile air conditioner and a control method of the internal and external circulation double-air-door structure of the automobile air conditioner. A driving dial (2) is arranged on the shell (1); a first air door (3) and a second air door (4) are respectively arranged in the shell (1); the driving dial (2) comprises a first guide rail (5) and a second guide rail (6); the first air door (3) is connected with the first guide rail (5); the second air door (4) is connected with the second guide rail (6); the first guide rail and the second guide rail are arranged on the two sides of the driving shifting disc respectively, so that the first air door and the second air door can operate in three modes, the problem that the safety is affected by fogging and the like in a passenger compartment is effectively solved, meanwhile, the temperature in the passenger compartment can reach the set temperature quickly, and reliable comfort is provided.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile air conditioners, and in particular to an automobile air conditioner internal and external circulation double air door structure and a control method thereof. Background Art

[0002] Automobile air-conditioning systems generally realize air circulation and gas replacement in the car through internal circulation systems and external circulation systems to ensure that the car can have a suitable temperature and relative humidity, and realize air purification and conversion; current technology mostly uses a drive motor to directly drive the opening or closing of the internal and external circulation dampers, and there can only be one state, open or closed. The damper is in a closed state, which is not conducive to the air switching in the car. In rainy and foggy weather, the car is prone to fogging, which has a certain impact on the safety of the passenger compartment; the damper is in an open state, which is not conducive to the temperature in the car quickly reaching the set temperature, which has a certain impact on the comfort of the passenger compartment.

[0003] After searching, the applicant found that the Chinese patent document with publication number 218839129U disclosed an automobile air-conditioning damper air outlet structure on April 11, 2023, including an automobile air-conditioning damper air outlet structure main body, a first air-conditioning damper adjustment cover and a second air-conditioning damper adjustment cover. A first air-conditioning damper adjustment cover is provided at one end of the automobile air-conditioning damper air outlet structure main body, and a second air-conditioning damper adjustment cover is provided at the bottom end of the first air-conditioning damper adjustment cover. Both sides of the first air-conditioning damper adjustment cover and the second air-conditioning damper adjustment cover are provided with a rotation structure, and the rotation structure includes a supporting side panel, a built-in groove and a movable block; the 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 a dual damper structure and control method for internal and external circulation of an automobile air conditioner that can provide multiple blowing modes. Summary of the invention

[0005] The object of the present invention is to provide a dual-damper structure and control method for internal and external circulation of an automobile air conditioner capable of providing a variety of blowing modes.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: a double damper structure for internal and external circulation of an automobile air conditioner, comprising a shell; a driving dial is provided on the shell; a first damper and a second damper are respectively provided in the shell; the driving dial comprises a first guide rail and a second guide rail; the first damper is connected to the first guide rail; the second damper is connected to the second guide rail.

[0007] The first guide rail includes a first opening guide section and a first closing guide section; the second guide rail includes a second opening guide section and a second closing guide section.

[0008] The first damper is respectively connected to a first connecting shaft and a first shift plate; the second damper is respectively connected to a second connecting shaft and a second shift plate; the first connecting shaft and the second connecting shaft are both connected to the shell; the first shift plate is connected to the first guide rail; the second shift plate is connected to the second guide rail.

[0009] The first opening guide section and the first closing guide section are both provided with a first guide groove; the second opening guide section and the second closing guide section are both provided with a second guide groove; the first selector plate is provided with a first connecting rod; the first connecting rod is connected to the first guide groove; the second selector plate is provided with a second connecting rod; the second connecting rod is connected to the second guide groove.

[0010] The driving dial includes a connecting plate; a first connecting bracket is provided on one side of the connecting plate; a second connecting bracket is provided on the other side of the connecting plate; the first connecting bracket is connected to the first guide rail; the second connecting bracket is connected to the second guide rail; and reinforcement holes are provided on both the first guide rail and the second guide rail.

[0011] The connecting plate is provided with a driving gear; the housing is provided with a motor bracket; the motor bracket is provided with a driving motor; and the driving motor is connected to the driving gear.

[0012] The shell includes an air inlet, a first air outlet and a second air outlet; the second air outlet is arranged on a side of the first air outlet away from the air inlet; the first air door is arranged on one side of the first air outlet; and the second air door is arranged on one side of the second air outlet.

[0013] The first air outlet and the second air outlet are both arranged at the top of the shell; the air inlet is arranged at one side of the shell; the first air door and the second air door both include a fan-shaped bracket; and a corrugated plate is provided on the fan-shaped bracket.

[0014] A control method for the dual damper structure of the internal and external circulation of the automobile air conditioner, the control method comprising the following steps:

[0015] 1) Turn the driving dial to connect the first connecting rod to the first closing guide section, and connect the second connecting rod to the second closing guide section; at this time, the first air outlet and the second air outlet are both closed;

[0016] 2) Turn the driving dial to connect the first connecting rod to the first opening guide section; connect the second connecting rod to the second closing guide section; at this time, the first air outlet is opened and the second air outlet is closed;

[0017] 3) Turn the driving dial to connect the first connecting rod to the first opening guide section; connect the second connecting rod to the second opening guide section; at this time, the first air outlet and the second air outlet are both opened.

[0018] The beneficial effects of this application are:

[0019] The present application provides an automobile air-conditioning internal and external circulation dual damper structure. By setting a driving motor, the damper can be rotated relative to the shell, and two internal and external circulation dampers are provided. Furthermore, by cleverly setting the trajectory line of the driving dial, the two internal and external circulation dampers can realize three modes of operation, effectively preventing fogging in the passenger compartment and other safety issues, and at the same time, the passenger compartment can reach the set temperature faster, providing more reliable comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The specific embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings, wherein:

[0021] Figure 1 This is a schematic diagram of the structure of the dual air door structure for internal and external circulation of the automobile air conditioner.

[0022] Figure 2 This is a structural schematic diagram of the drive dial of the dual air door structure for internal and external circulation of the automobile air conditioner.

[0023] Figure 3 This is a schematic diagram of a state in which the external circulation of the first air outlet and the second air outlet of the dual air door structure of internal and external circulation of the automobile air conditioner are both closed.

[0024] Figure 4 This is a schematic diagram of the state in which the external circulation of the first air outlet of the dual air door structure of internal and external circulation of the automobile air conditioner is opened and the external circulation of the second air outlet is closed.

[0025] Figure 5 This is a schematic diagram of the state in which the external circulation of the first air outlet and the second air outlet of the dual air door structure of the internal and external circulation of the automobile air conditioner are both opened.

[0026] The marks in the above figure are:

[0027] The markings in the figure are:

[0028] 1. Shell, 101. Air inlet, 102. First air outlet, 103. Second air outlet,

[0029] 2. driving dial, 201. connecting plate, 202. first connecting bracket, 203. second connecting bracket, 204. driving gear,

[0030] 3. First damper, 301. Fan-shaped bracket, 302. Corrugated plate,

[0031] 4. Second air door,

[0032] 5. first guide rail, 501. first connecting shaft, 502. first dial plate, 503. first connecting rod, 504. reinforcement hole,

[0033] 6. second guide rail, 601. second connecting shaft, 602. second shift plate, 603. second connecting rod,

[0034] 7. first opening guide section, 701. first closing guide section, 702. first guide groove,

[0035] 8. second opening guide section, 801. second closing guide section, 802. second guide groove,

[0036] 9. Motor bracket, 901. Driving motor. DETAILED DESCRIPTION

[0037] 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.

[0038] Figure 1 The automobile air conditioner internal and external circulation double damper structure shown includes a shell 1; a driving dial 2 is provided on the shell 1; a first damper 3 and a second damper 4 are respectively provided in the shell 1; the driving dial 2 includes a first guide rail 5 and a second guide rail 6; the first damper 3 is connected to the first guide rail 5; the second damper 4 is connected to the second guide rail 6.

[0039] A first guide rail 5 and a second guide rail 6 are respectively provided on both sides of the driving dial 2, so that the first damper 3 and the second damper 4 can realize three modes of operation, effectively preventing fogging in the passenger compartment and other safety issues, and at the same time can make the passenger compartment reach the set temperature faster, providing more reliable comfort.

[0040] The first guide rail 5 includes a first opening guide segment 7 and a first closing guide segment 701 ; the second guide rail 6 includes a second opening guide segment 8 and a second closing guide segment 801 .

[0041] The first opening guide section 7 and the first closing guide section 701 are an integral structure, and both are arc-shaped structures; the second opening guide section 8 and the second closing guide section 801 are an integral structure, and both are arc-shaped structures.

[0042] The first damper 3 is respectively connected to the first connecting shaft 501 and the first dial plate 502; the second damper 4 is respectively connected to the second connecting shaft 601 and the second dial plate 602; the first connecting shaft 501 and the second connecting shaft 601 are both connected to the shell 1; the first dial plate 502 is connected to the first guide rail 5; the second dial plate 602 is connected to the second guide rail 6.

[0043] The first damper 3 is connected to the shell 1 through the first connecting shaft 501, so that the first damper 3 can be flexibly rotated on the shell 1; the end of the first dial plate 502 is fixedly connected to the first damper 3; the first dial plate 502 is movably connected to the first guide rail 5 and can slide flexibly along the first guide rail 5; the second damper 4 is connected to the shell 1 through the second connecting shaft 601, so that the second damper 4 can be flexibly rotated on the shell 1; the end of the second dial plate 602 is fixedly connected to the second damper 4; the second dial plate 602 is movably connected to the second guide rail 6 and can slide flexibly along the second guide rail 6.

[0044] The first opening guide section 7 and the first closing guide section 701 are both provided with a first guide groove 702; the second opening guide section 8 and the second closing guide section 801 are both provided with a second guide groove 802; the first selector plate 502 is provided with a first connecting rod 503; the first connecting rod 503 is connected to the first guide groove 702; the second selector plate 602 is provided with a second connecting rod 603; the second connecting rod 603 is connected to the second guide groove 802.

[0045] The first guide groove 702 is arranged on the top surface of the first opening guide section 7 and the first closing guide section 701; the second guide groove 802 is arranged on the top surface of the second opening guide section 8 and the second closing guide section 801; the first connecting rod 503 is inserted in the first guide groove 702 and can slide flexibly along the first guide groove 702; thereby, the first selector plate 502 and the first guide rail 5 can be flexibly connected; the second connecting rod 603 is inserted in the second guide groove 802 and can slide flexibly along the second guide groove 802; thereby, the second selector plate 602 and the second guide rail 6 can be flexibly connected.

[0046] The driving dial 2 includes a connecting plate 201; a first connecting bracket 202 is provided on one side of the connecting plate 201; a second connecting bracket 203 is provided on the other side of the connecting plate 201; the first connecting bracket 202 is connected to the first guide rail 5; the second connecting bracket 203 is connected to the second guide rail 6; and reinforcement holes 504 are provided on both the first guide rail 5 and the second guide rail 6.

[0047] The second guide rail 6 is fixedly connected to the first connecting bracket 202 and the second connecting bracket 203 respectively; the first connecting bracket 202 and the second connecting bracket 203 are both mesh structures; the first guide rail 5 is fixedly connected to the edge of the first connecting bracket 202; the second guide rail 6 is fixedly connected to the edge of the second connecting bracket 203.

[0048] A driving gear 204 is disposed on the connecting plate 201 ; a motor bracket 9 is disposed on the housing 1 ; a driving motor 901 is disposed on the motor bracket 9 ; and the driving motor 901 is connected to the driving gear 204 .

[0049] The driving gear 204 is fixedly connected to one side of the connecting plate 201; the motor bracket 9 is fixedly connected to the outer wall of the shell 1; the driving motor 901 is fixedly connected to the motor bracket 9; the output shaft of the driving motor 901 is connected to the driving gear 204, so that the driving motor 901 can drive the driving dial 2 to rotate forward or reverse.

[0050] The housing 1 includes an air inlet 101 , a first air outlet 102 and a second air outlet 103 ; the second air outlet 103 is arranged on a side of the first air outlet 102 away from the air inlet 101 ; the first air door 3 is arranged on one side of the first air outlet 102 ; and the second air door 4 is arranged on one side of the second air outlet 103 .

[0051] The first damper 3 can rotate in the shell 1, so as to block or open the air inlet 101; when the first damper 3 blocks the air inlet 101, the external circulation of the first air outlet 102 is closed; the second damper 4 can rotate in the shell 1, so as to block or open the air inlet 101; when the second damper 4 blocks the air inlet 101, the external circulation of the second air outlet 103 is closed.

[0052] The first air outlet 102 and the second air outlet 103 are both arranged on the top of the shell 1; the air inlet 101 is arranged on one side of the shell 1; the first air door 3 and the second air door 4 both include a fan-shaped bracket 301; and a wave plate 302 is provided on the fan-shaped bracket 301.

[0053] A control method for an internal and external circulation double air door structure of an automobile air conditioner, the control method comprising the following steps:

[0054] 1) Turn the driving dial 2 to connect the first connecting rod 503 to the first closing guide section 701, and connect the second connecting rod 603 to the second closing guide section 801; at this time, the first air outlet 102 and the second air outlet 103 are both closed;

[0055] 2) Turn the driving dial 2 to connect the first connecting rod 503 to the first opening guide section 7; connect the second connecting rod 603 to the second closing guide section 801; at this time, the first air outlet 102 is opened and the second air outlet 103 is closed;

[0056] 3) Turn the driving dial 2 to connect the first connecting rod 503 to the first opening guide section 7; connect the second connecting rod 603 to the second opening guide section 8; at this time, the first air outlet 102 and the second air outlet 103 are both opened.

[0057] Step 1) can close the external circulation of the first air outlet 102 and the second air outlet 103; step 2) can open the external circulation of the first air outlet 102 and close the external circulation of the second air outlet 103; step 3) can open the external circulation of the first air outlet 102 and the second air outlet 103, thereby realizing the switching of the three working states of the present device.

[0058] The specific workflow of the present invention is as follows:

[0059] 1) Turn the driving dial 2 to connect the first connecting rod 503 to the first closing guide section 701, and connect the second connecting rod 603 to the second closing guide section 801; at this time, the first air outlet 102 and the second air outlet 103 are both closed;

[0060] 2) Turn the driving dial 2 to connect the first connecting rod 503 to the first opening guide section 7; connect the second connecting rod 603 to the second closing guide section 801; at this time, the first air outlet 102 is opened and the second air outlet 103 is closed;

[0061] 3) Turn the driving dial 2 to connect the first connecting rod 503 to the first opening guide section 7; connect the second connecting rod 603 to the second opening guide section 8; at this time, the first air outlet 102 and the second air outlet 103 are both opened.

[0062] 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. A dual-damper structure for internal and external circulation of an automobile air conditioner, characterized in that: The invention comprises a shell (1); a driving dial (2) is provided on the shell (1); a first damper (3) and a second damper (4) are respectively provided in the shell (1); the driving dial (2) comprises a first guide rail (5) and a second guide rail (6); the first damper (3) is connected to the first guide rail (5); and the second damper (4) is connected to the second guide rail (6).

2. A dual air door structure for internal and external circulation of an automobile air conditioner according to claim 1, characterized in that: The first guide rail (5) comprises a first opening guide section (7) and a first closing guide section (701); the second guide rail (6) comprises a second opening guide section (8) and a second closing guide section (801).

3. The dual air door structure for internal and external circulation of an automobile air conditioner according to claim 2, characterized in that: The first damper (3) is respectively connected to a first connecting shaft (501) and a first shifting plate (502); the second damper (4) is respectively connected to a second connecting shaft (601) and a second shifting plate (602); the first connecting shaft (501) and the second connecting shaft (601) are both connected to the housing (1); the first shifting plate (502) is connected to the first guide rail (5); and the second shifting plate (602) is connected to the second guide rail (6).

4. The dual air door structure for internal and external circulation of an automobile air conditioner according to claim 3, characterized in that: The first opening guide section (7) and the first guide section (701) are both provided with a first guide groove (702); the second opening guide section (8) and the second closing guide section (801) are both provided with a second guide groove (802); the first selector plate (502) is provided with a first connecting rod (503); the first connecting rod (503) is connected to the first guide groove (702); the second selector plate (602) is provided with a second connecting rod (603); the second connecting rod (603) is connected to the second guide groove (802).

5. A dual air door structure for internal and external circulation of an automobile air conditioner according to any one of claims 3 to 4, characterized in that: The driving dial (2) comprises a connecting plate (201); a first connecting bracket (202) is provided on one side of the connecting plate (201); a second connecting bracket (203) is provided on the other side of the connecting plate (201); the first connecting bracket (202) is connected to the first guide rail (5); the second connecting bracket (203) is connected to the second guide rail (6); and reinforcement holes (504) are provided on both the first guide rail (5) and the second guide rail (6).

6. A dual air door structure for internal and external circulation of an automobile air conditioner according to claim 5, characterized in that: The connecting plate (201) is provided with a driving gear (204); the housing (1) is provided with a motor bracket (9); the motor bracket (9) is provided with a driving motor (901); and the driving motor (901) is connected to the driving gear (204).

7. A dual air door structure for internal and external circulation of an automobile air conditioner according to claim 6, characterized in that: The shell (1) comprises an air inlet (101), a first air outlet (102) and a second air outlet (103); the second air outlet (103) is arranged on a side of the first air outlet (102) away from the air inlet (101); the first air door (3) is arranged on a side of the first air outlet (102); and the second air door (4) is arranged on a side of the second air outlet (103).

8. The dual air door structure for internal and external circulation of an automobile air conditioner according to claim 7, characterized in that: The first air outlet (102) and the second air outlet (103) are both arranged at the top of the shell (1); the air inlet (101) is arranged at one side of the shell (1); the first damper (3) and the second damper (4) both comprise a fan-shaped bracket (301); and a wave plate (302) is provided on the fan-shaped bracket (301).

9. A control method for the dual damper structure of internal and external circulation of an automobile air conditioner according to any one of claims 1 to 8, characterized in that: The control method comprises the following steps: 1) Rotate the driving dial (2) to connect the first connecting rod (503) to the first closing guide section (701), and connect the second connecting rod (603) to the second closing guide section (801); at this time, the first air outlet (102) and the second air outlet (103) are both closed; 2) rotating the driving dial (2) to connect the first connecting rod (503) to the first opening guide section (7); connecting the second connecting rod (603) to the second closing guide section (801); at this time, the first air outlet (102) is opened and the second air outlet (103) is closed; 3) rotating the driving dial (2) to connect the first connecting rod (503) to the first opening guide section (7); and connecting the second connecting rod (603) to the second opening guide section (8); At this time, the first air outlet (102) and the second air outlet (103) are both open.

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