Defrosting mode multi-mode automobile air conditioner body

Abstract

The utility model discloses a defrosting mode multi-mode automobile air conditioner body, which relates to the technical field of automobile air conditioner systems, and comprises a body box body part and an air blower box body part which are connected with each other, and the body box body part is provided with a face blowing air port, a left foot blowing air port, a right foot blowing air port and a defrosting air port. A refrigeration channel, an evaporator core body, a heating channel and a warm air core body are arranged in the body box body part, and the body box body part is further provided with a linkage air door mechanism, a face blowing and foot blowing mode linkage mechanism and a defrosting mode linkage mechanism; the linkage air door mechanism is used for controlling switching of the refrigerating channel and the heating channel. The face-blowing and foot-blowing mode linkage mechanism is used for controlling opening and closing of the face-blowing air opening and the left and right foot-blowing air openings; the defrosting mode linkage mechanism is used for controlling opening and closing of the defrosting air opening.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile air-conditioning systems, in particular to a multi-modal automobile air-conditioning body with a defrosting mode. Background Art

[0002] The existing car cab needs to be equipped with an external circulation air intake filter box assembly, which requires an opening in the sheet metal of the front face of the car body. In order to improve customers' concerns about the insufficient cooling capacity of the previous air conditioner body, and customers' requirements that the air can be filtered simultaneously in the body and the external circulation air intake, and the external circulation filter element can be easily replaced, disassembled and cleaned outside the front face of the car body, the external circulation air intake filter element is conveniently replaced, disassembled and cleaned in the cab. The OEM also proposed the blowing face, blowing face and blowing feet, and blowing feet modes, which are controlled separately. The defrost mode is controlled separately, and the defrost mode is divided into left and right side defrost and middle defrost, and the left and right defrost openings and the middle defrost openings have different requirements. At the same time, the comfort and modernity of the interior of the cab are improved, and the cab mold is changed as much as possible to reduce costs and shorten the development cycle of new models. For this reason, this new design and development plan was developed. Utility Model Content

[0003] In view of the defects existing in the prior art, the purpose of the utility model is to provide a multi-mode automobile air conditioner body with defrost mode, which can meet the blowing face, blowing face and blowing feet, and blowing feet modes proposed by the OEM under the condition that the original body air duct interface, warm air water pipe interface, evaporator refrigerant interface, drain pipe interface, and front face external circulation air inlet interface remain unchanged, and can be controlled separately; the defrost mode is controlled separately, and the defrost mode is divided into left and right side defrost and middle defrost, and the left and right defrost openings and the middle defrost openings have different requirements. It can increase the demand for cooling capacity, meet the customer's requirements for setting an external circulation air inlet in front of the body, and can also realize the internal and external circulation air intake control and filter the internal and external air intake at the same time.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is: a defrost mode multi-modal automobile air-conditioning body, including a connected body box part and a blower box part, the body box part is provided with face-blowing air vents, left and right foot-blowing air vents and defrost air vents, and the body box part is provided with a refrigeration channel, an evaporator core, a heating channel and a warm air core, the body box part is also provided with a linkage damper mechanism, a face-blowing and foot-blowing mode linkage mechanism, and a defrost mode linkage mechanism; the linkage damper mechanism is used to control the switching of the refrigeration channel and the heating channel; the face-blowing and foot-blowing mode linkage mechanism is used to control the switch of the face-blowing air vents and the left and right foot-blowing air vents; the defrost mode linkage mechanism is used to control the switch of the defrost air vents.

[0005] Further improvements are: the linked damper mechanism includes a heating and cooling mechanism driving rocker arm, a cold channel damper, a connecting rod, a hot channel damper rocker arm and a hot channel damper; the cold channel damper is arranged at the refrigeration channel, and the heating and cooling mechanism driving rocker arm is connected to the cold channel damper for controlling the switch of the refrigeration channel; the hot channel damper is arranged at the heating channel, and the hot channel damper rocker arm is connected to the hot channel damper for controlling the switch of the heating channel; the two ends of the connecting rod are respectively connected to the heating and cooling mechanism driving rocker arm and the hot channel damper rocker arm.

[0006] A further improvement is that: the face blowing and foot blowing mode linkage mechanism includes a first driving gear, a driving cam, a face blowing rocker arm, a face blowing linkage rod, a face blowing air door rocker arm, a face blowing air door, a foot blowing air door linkage arm, a right foot blowing air door, a right foot blowing air door rocker arm, a foot blowing connecting rod, a left foot blowing air door rocker arm and a left foot blowing air door; the face blowing air door is arranged at the face blowing air outlet, and the face blowing air door rocker arm is connected to the face blowing air door for controlling the switch of the face blowing air outlet; the left foot blowing air door and the right foot blowing air door are respectively arranged at the left and right foot blowing air outlets, and the right foot blowing air door The rocker arm and the left foot-blowing air door rocker arm are respectively connected to the corresponding right foot-blowing air door and the left foot-blowing air door, and are used to control the switches of the left and right foot-blowing air outlets; the two ends of the foot-blowing connecting rod are respectively connected to the right foot-blowing air door rocker arm and the left foot-blowing air door rocker arm; the input end of the driving cam is connected to the first driving gear, one of the output ends of the driving cam is connected to one end of the face-blowing rocker arm, and the other end of the face-blowing rocker arm is connected to the face-blowing air door rocker arm through the face-blowing linkage rod; the other output end of the driving cam is connected to the right foot-blowing air door through the foot-blowing air door linkage arm.

[0007] A further improvement is that: the driving cam includes a gear plate, a foot blowing cam track housing and a face blowing linkage plate; the gear plate is meshed with the first driving gear; the foot blowing cam track housing is adapted to the foot blowing air door linkage arm; the face blowing linkage plate is adapted to the face blowing rocker arm.

[0008] Further improvements are: the defrost mode linkage mechanism includes a defrost mode linkage disk, a side defrost damper rocker arm, a left defrost damper, a side defrost damper connecting rod, a right defrost damper, a middle defrost damper rocker arm and a middle defrost damper; the left defrost damper, the right defrost damper and the middle defrost damper are respectively arranged at the defrost air outlet; the defrost damper rockers on both sides are respectively connected to the corresponding left defrost damper and right defrost damper; the two ends of the side defrost damper connecting rod are respectively connected to the defrost damper rockers on both sides; the middle defrost damper rocker is connected to the middle defrost damper; the defrost mode linkage disk is respectively connected to the middle defrost damper rocker arm and the adjacent side defrost damper rocker arm.

[0009] A further improvement is that the main body box part is composed of a lower box, a left box, a right box and a plurality of air outlet frames.

[0010] A further improvement is that the main body box part is also provided with a heating and cooling mechanism actuator for driving the linked damper mechanism, a face and foot blowing actuator for driving the face and foot blowing mode linkage mechanism, and a defrost actuator for driving the defrost mode linkage mechanism.

[0011] A further improvement is that the blower housing portion includes a connected fan housing and an air inlet housing, the fan housing is provided with a fan; the air inlet housing is provided with an external circulation air inlet and an internal circulation air inlet, and the main body housing portion is provided with an internal and external circulation mechanism for controlling the switching of the external circulation air inlet and the internal circulation air inlet.

[0012] Further improvements are: the internal and external circulation mechanism includes a second driving gear, a linkage gear rocker arm, an internal circulation damper, a linkage rod, an external circulation damper rocker arm and an external circulation damper; the external circulation damper is arranged at the external circulation air inlet, and the external circulation damper rocker arm is connected to the external circulation damper for controlling the switch of the external circulation air inlet; the internal circulation damper is arranged at the internal circulation air inlet, and the linkage gear rocker arm is connected to the internal circulation damper for controlling the switch of the internal circulation air inlet; the two ends of the linkage rod are respectively connected to the external circulation damper rocker arm and the linkage gear rocker arm.

[0013] A further improvement is that the outer circulation air inlet and the inner circulation air inlet of the air inlet box are respectively provided with inner air inlet filters; the air inlet box is also provided with an inner and outer circulation air inlet actuator for driving the inner and outer circulation mechanism.

[0014] The beneficial effects of the utility model are:

[0015] 1. The internal and external circulation air intake mechanism of the utility model, the new internal and external circulation air intake device of the air conditioner body, well solves the customer's requirements of setting an external circulation air intake on the front face of the air conditioner body and realizing internal and external circulation air intake control and filtration at the same time.

[0016] 2. In the utility model, the face blowing, foot blowing and defrosting wind separation structures are fully utilized to arrange the face blowing, foot blowing and defrosting mechanisms to reduce the volume of the main body.

[0017] 3. In the present invention, the face blowing and foot blowing share a common mechanism, and the defrosting mechanism is driven independently. The two mechanisms cooperate with each other to meet the requirements of the main engine manufacturer for each air outlet mode, especially the requirements for air volume for left and right side defrosting and middle defrosting.

[0018] 4. In the utility model, the face-blowing and foot-blowing linkage mechanism is the first time that the company adopts the cam mechanism, a high-motion pair mechanism, and integrates another linkage mechanism into the cam mechanism to form a comprehensive linkage mechanism.

[0019] 5. In the present invention, the new structural arrangement and the new linkage mechanism can be applied as a universal structure to other air conditioner body structures, and the structural principle can be used as the company's design standard and example. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A three-dimensional diagram of the automobile air conditioner body assembly in the embodiment of the utility model;

[0021] Figure 2 It is a three-dimensional diagram of the main body box part in the embodiment of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure in which the right box of the main body box part is removed in the embodiment of the utility model;

[0023] Figure 4 This is a three-dimensional diagram of the embodiment of the utility model with the right box of the main body box part removed;

[0024] Figure 5 A three-dimensional diagram of the blower housing in the embodiment of the utility model;

[0025] Figure 6 This is a schematic diagram of the air inlet box structure of the blower box part in the embodiment of the utility model;

[0026] Figure 7 This is a stereoscopic view of the air inlet box of the blower box part in the embodiment of the utility model without the right shell;

[0027] Figure 8 It is a three-dimensional diagram of the linkage mechanism of the face blowing and foot blowing modes in the embodiment of the utility model;

[0028] Fig. 9 It is a three-dimensional diagram of the defrost mode linkage mechanism in the embodiment of the utility model;

[0029] Fig.10 It is a stereoscopic diagram of the driving cam of the linkage mechanism of the face-blowing and foot-blowing mode in the embodiment of the utility model.

[0030] Reference numerals:

[0031] 1-main body box part; 101-refrigeration channel; 102-evaporator core; 103-heating channel; 104-warm air core; 105-lower box; 106-left box; 107-right box; 108-air outlet frame; 11-linked damper mechanism; 1101-cooling and heating mechanism driving rocker arm; 1102-cold channel damper; 1103-connecting rod; 1104-hot channel damper rocker arm; 1105-hot channel damper; 12-cooling and heating mechanism actuator; 13-face blowing and foot blowing mode linkage mechanism; 1301-first driving gear; 1302-driving cam; 130201-gear plate; 130202-foot blowing cam track housing; 130203-face blowing linkage plate; 1303-face blowing rocker arm; 1304 -face blowing linkage rod; 1305-face blowing air door rocker arm; 1306-face blowing air door; 1307-foot blowing air door linkage arm; 1308-right foot blowing air door; 1309-right foot blowing air door rocker arm; 1310-foot blowing connecting rod; 1311-left foot blowing air door rocker arm; 1312-left foot blowing air door; 14-face blowing and foot blowing actuator; 15-defrost mode linkage mechanism; 1501-defrost mode linkage disk; 1502-side defrost air door rocker arm; 1503-left defrost air door; 1504-side defrost air door connecting rod; 1505-right defrost air door; 1506-middle defrost air door rocker arm; 1507-middle defrost air door; 16-defrost actuator; 17-left and right foot blowing air outlets; 18-face blowing air outlet; 19-defrost air outlet;

[0032] 2-blower housing; 21-fan; 22-fan housing; 23-air inlet housing; 24-internal and external circulation air inlet actuator; 25-internal and external circulation mechanism; 2501-second driving gear; 2502-linked gear rocker arm; 2503-internal circulation damper; 2504-linked rod; 2505-external circulation damper rocker arm; 2506-external circulation damper; 26-external circulation air inlet; 27-internal circulation air inlet; 28-internal air inlet filter. DETAILED DESCRIPTION

[0033] The embodiments of the present invention are described in detail below. The embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.

[0034] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0035] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0036] The following is a further description of the specific implementation of the utility model in conjunction with the drawings of the specification, so that the technical solution and its beneficial effects of the utility model are clearer and more explicit. The following description of the embodiments with reference to the drawings is exemplary and intended to explain the utility model, but cannot be understood as limiting the utility model.

[0037] See also Figure 1 As shown, an embodiment of the utility model provides a defrost mode multi-modal automobile air-conditioning body, comprising a main body box part 1 and a blower box part 2 connected to each other, the main body box part 1 is provided with face-blowing air vents 18, left and right foot-blowing air vents 17 and defrost air vents 19, and a refrigeration channel 101, an evaporator core 102, a heating channel 103 and a warm air core 104 are provided in the main body box part 1, the main body box part 1 is also provided with a linkage damper mechanism 11, a face-blowing and foot-blowing mode linkage mechanism 13, and a defrost mode linkage mechanism 15; the linkage damper mechanism 11 is used to control the switching of the refrigeration channel 101 and the heating channel 103; the face-blowing and foot-blowing mode linkage mechanism 13 is used to control the switch of the face-blowing air vents 18 and the left and right foot-blowing air vents 17; the defrost mode linkage mechanism 15 is used to control the switch of the defrost air vents 19.

[0038] See also Figure 3As shown, the linkage damper mechanism 11 includes a heating and cooling mechanism driving rocker arm 1101, a cold channel damper 1102, a connecting rod 1103, a hot channel damper rocker arm 1104 and a hot channel damper 1105; the cold channel damper 1102 is arranged at the refrigeration channel 101, and the heating and cooling mechanism driving rocker arm 1101 is connected to the cold channel damper 1102, for controlling the switch of the refrigeration channel 101; the hot channel damper 1105 is arranged at the heating channel 103, and the hot channel damper rocker arm 1104 is connected to the hot channel damper 1105, for controlling the switch of the heating channel 103; the two ends of the connecting rod 1103 are respectively connected to the heating and cooling mechanism driving rocker arm 1101 and the hot channel damper rocker arm 1104. In this embodiment, the cooling and heating mechanism drives the rocker arm 1101 to rotate in the range of 0 to 58°. At 0°, the refrigeration channel 101 is opened, and this is the cooling mode; when the cooling and heating mechanism drives the rocker arm 1101 to rotate 58° counterclockwise, the heating channel 103 is opened, and this is the heating mode.

[0039] See also Figure 4 , Figure 8 , Fig.10As shown, the face-blowing and foot-blowing mode linkage mechanism 13 includes a first driving gear 1301, a driving cam 1302, a face-blowing rocker arm 1303, a face-blowing linkage rod 25041304, a face-blowing air door rocker arm 1305, a face-blowing air door 1306, a foot-blowing air door linkage arm 1307, a right foot-blowing air door 1308, a right foot-blowing air door rocker arm 1309, a foot-blowing connecting rod 1310, a left foot-blowing air door rocker arm 1311 and a left foot-blowing air door 1312; the face-blowing air door 1306 is arranged at the face-blowing air outlet 18, and the face-blowing air door rocker arm 1305 is connected to the face-blowing air door 1306 for controlling the switch of the face-blowing air outlet 18; the left foot-blowing air door 1312 and the right foot-blowing air door 1308 are respectively arranged at the left and right foot-blowing air outlets 17, and the right foot-blowing air door rocker arm 1309 and the left foot-blowing air door rocker arm 1311 are respectively connected to the corresponding right foot-blowing air door 1308 and the left foot-blowing air door 1312, and are used to control the switches of the left and right foot-blowing air outlets 17; the two ends of the foot-blowing connecting rod 1310 are respectively connected to the right foot-blowing air door rocker arm 1309 and the left foot-blowing air door rocker arm 1311; the input end of the driving cam 1302 is connected to the first driving gear 1301, and one of the output ends of the driving cam 1302 is connected to one end of the face-blowing rocker arm 1303, and the other end of the face-blowing rocker arm 1303 is connected to the face-blowing air door rocker arm 1305 through the face-blowing linkage rod 25041304; the other output end of the driving cam 1302 is connected to the right foot-blowing air door 1308 through the foot-blowing air door linkage arm 1307. Specifically, the driving cam 1302 includes a gear plate 130201, a foot blowing cam track housing 130202 and a face blowing linkage plate 130203; the gear plate 130201 is meshed with the first driving gear 1301; the foot blowing cam track housing 130202 is adapted to the foot blowing air door linkage arm 1307; the face blowing linkage plate 130203 is adapted to the face blowing rocker arm 1303. In this embodiment, the rotation range of the first driving gear 1301 is 0 to 340°. At 0°, the face-blowing air outlets 18 are all opened and the left and right foot-blowing air outlets 17 are closed; at 85°, 1 / 4 of the face-blowing air outlets 18 are closed and 1 / 2 of the left and right foot-blowing air outlets 17 are opened; at 170°, 1 / 2 of the face-blowing air outlets 18 are closed and the left and right foot-blowing air outlets 17 are all opened; at 225°, the face-blowing air outlets 18 are all closed and 1 / 2 of the left and right foot-blowing air outlets 17 are opened; at 340°, the face-blowing air outlets 18 are all closed and the left and right foot-blowing air outlets 17 are all closed; and vice versa.

[0040] See also Figure 4 , Fig. 9As shown, the defrost mode linkage mechanism 15 includes a defrost mode linkage plate 1501, a side defrost damper rocker arm 1502, a left defrost damper 1503, a side defrost damper connecting rod 1504, a right defrost damper 1505, a middle defrost damper rocker arm 1506 and a middle defrost damper 1507; the left defrost damper 1503, the right defrost damper 1505 and the middle defrost damper 1507 are respectively arranged at the defrost air outlet 19; the two The side defrost damper rocker arm 1502 is respectively connected to the corresponding left defrost damper 1503 and right defrost damper 1505; the two ends of the side defrost damper connecting rod 1504 are respectively connected to the defrost damper rocker arms 1502 on both sides; the middle defrost damper rocker arm 1506 is connected to the middle defrost damper 1507; the defrost mode linkage plate 1501 is respectively connected to the middle defrost damper rocker arm 1506 and the adjacent side defrost damper rocker arm 1502. In this embodiment, the defrost mode linkage mechanism 15 drives the opening of the left defrost damper 1503 and the right defrost damper 1505, and drives the opening of the middle defrost damper 1507 at the same time. The left and right defrost dampers are fixedly connected through the side defrost damper connecting rod 1504 and converted synchronously. The conversion angles of the left and right defrost dampers and the middle defrost damper 1507 are different. It meets the different requirements of the defrosting air volume on the left and right sides of the whole vehicle and the middle defrosting air volume. The defrost mode linkage plate 1501 rotates in the range of 0 to 240°. At 240°, the left defrost damper 1503, the right defrost damper 1505 and the middle defrost damper 1507 are all closed; at 180 degrees, the left defrost damper 1503 and the right defrost damper 1505 are opened by 1 / 2, and the middle defrost damper 1507 is opened by 1 / 4; at 120 degrees, the left defrost damper 1503 and the right defrost damper 1505 are fully opened, and the middle defrost damper 1507 is opened by 2 / 4; at 60 degrees, the left defrost damper 1503 and the right defrost damper 1505 are fully opened, and the middle defrost damper 1507 is opened by 3 / 4; at 0 degrees, the left defrost damper 1503 and the right defrost damper 1505 are fully opened, and the middle defrost damper 1507 is fully opened. Vice versa.

[0041] See also Figure 1 , Figure 2 , Figure 3 As shown, the main body box part 1 is composed of a lower box 105, a left box 106, a right box 107 and a plurality of air outlet frames 108. Specifically, the main body box part 1 is also provided with a heating and cooling mechanism actuator 12 for driving the linkage damper mechanism 11, a face blowing and foot blowing actuator 14 for driving the face blowing and foot blowing mode linkage mechanism 13, and a defrost actuator 16 for driving the defrost mode linkage mechanism 15.

[0042] See also Figure 5 , Figure 7As shown, the blower housing part 2 includes a connected fan housing 22 and an air inlet housing 23, the fan housing 22 is provided with a fan 21; the air inlet housing 23 is provided with an external circulation air inlet 26 and an internal circulation air inlet 27, and the main body housing part 1 is provided with an internal and external circulation mechanism 25 for controlling the switching of the external circulation air inlet 26 and the internal circulation air inlet 27.

[0043] See also Figure 6 As shown, the internal and external circulation mechanism 25 includes a second driving gear 2501, a linkage gear rocker arm 2502, an internal circulation damper 2503, a linkage rod 2504, an external circulation damper rocker arm 2505 and an external circulation damper 2506; the external circulation damper 2506 is arranged at the external circulation air inlet 26, and the external circulation damper rocker arm 2505 is connected to the external circulation damper 2506, for controlling the switch of the external circulation air inlet 26; the internal circulation damper 2503 is arranged at the internal circulation air inlet 27, and the linkage gear rocker arm 2502 is connected to the internal circulation damper 2503, for controlling the switch of the internal circulation air inlet 27; the two ends of the linkage rod 2504 are respectively connected to the external circulation damper rocker arm 2505 and the linkage gear rocker arm 2502. Specifically, the outer circulation air inlet 26 and the inner circulation air inlet 27 of the air inlet box 23 are respectively provided with an inner air inlet filter 28; the air inlet box 23 is also provided with an inner and outer circulation air inlet actuator 24 for driving the inner and outer circulation mechanism 25. In this embodiment, the second driving gear 2501 rotates in a range of 0 to 70°. At 0°, the inner circulation damper 2503 and the outer circulation damper 2506 close the inner circulation air inlet 27, and the outer circulation air inlet 26 is fully opened at this time; when the driving gear 2501 rotates 70° clockwise, the inner circulation damper 2503 rotates 61°, and the outer circulation damper 2506 damper closes the outer circulation air inlet 26. Conversely, the inner and outer circulation can be switched.

[0044] The utility model includes 5 air outlet modes, namely face blowing mode, foot blowing / face blowing mode, foot blowing mode, foot blowing / defrosting mode and defrosting air outlet mode:

[0045] 1. In the face blowing mode, the defrost mode mechanism 15 is switched to the defrost damper closed (the left defrost damper 1503, the right defrost damper 1505 and the middle defrost damper 1506 are closed), and the face blowing and foot blowing mode mechanism 13 is switched to the face blowing mode, and the face blowing damper is opened.

[0046] 2. In the face blowing / foot blowing mode, the face blowing and foot blowing mode mechanism 13 is switched to the face blowing air door 1306 being located between the face blowing and foot blowing air ports, and the right foot blowing air door 1308 and the left foot blowing air door 1311 being located in the middle. Similarly, the defrost mode mechanism 15 is switched to the defrost air door being closed (the left defrost air door 1503, the right defrost air door 1505 and the middle defrost air door 1506 are closed).

[0047] 3. In the foot blowing mode, the face blowing and foot blowing mode mechanism 13 is switched to the face blowing damper 1306 being in the closed state, and the right foot blowing damper 1308 and the left foot blowing damper 1312 are in the middle position. Similarly, the defrost mode mechanism 15 is switched to the defrost damper closed (the left defrost damper 1503, the right defrost damper 1505 and the middle defrost damper 1506 are closed).

[0048] 4. In the foot blowing / defrosting mode, the face blowing / foot blowing mode mechanism 13 is switched to the face blowing damper 1306 being in the closed state, and the right foot blowing damper 1308 and the left foot blowing damper 1312 are in the middle position. The defrosting mode mechanism 15 is switched to the defrosting state, and the left defrosting damper 1503, the right defrosting damper 1505 and the middle defrosting damper 1506 are opened. (The defrosting mode has 4 states that can be adjusted).

[0049] 5. In the defrost air outlet mode, the face blowing and foot blowing mode mechanism 13 is switched to the face blowing air door 1306 is in the closed state, and the right foot blowing air door 1308 and the left foot blowing air door 1311 are in the closed state. The defrost mode mechanism 15 is switched to the defrost state, and the left defrost air door 1503, the right defrost air door 1505 and the middle defrost air door 1506 are opened. (The defrost mode has 4 states that can be adjusted).

[0050] So far, 5 air outlet modes are completed. Conversely, the air outlet modes are switched from defrost, defrost / foot blowing, foot blowing, foot blowing / face blowing, and face blowing.

[0051] In the modes of blowing face, blowing face and blowing feet, and blowing feet, the defrost mode linkage mechanism 15 must turn off the defrost mode. (The left and right defrost dampers and the middle defrost damper are completely closed, that is, the defrost mode linkage disk 1501 is at the 240° position); in the modes of blowing feet and defrost, the linkage mechanism 13 of blowing face and blowing feet modes must be in the state of blowing face full closure; in the defrost mode, the linkage mechanism 13 of blowing face and blowing feet modes must be in the state of blowing face and blowing feet full closure. That is, in these three modes, the linkage mechanism 13 of blowing face and blowing feet modes and the linkage mechanism 15 of defrost mode must work closely together to complete the five air outlet modes.

[0052] The working principle of the mechanism of the utility model is:

[0053] The driving transmission chain of the internal and external circulation mechanism is:

[0054] Second driving gear 2501—linked gear rocker arm 2502—internal circulation damper 2503;

[0055] Linked gear rocker arm 2502—connecting rod 2504—external circulation damper rocker arm 2505—external circulation damper 2506.

[0056] Cooling and heating linkage mechanism drive transmission:

[0057] The cooling and heating mechanism drives the rocker arm 1101 — the cold channel damper 1102;

[0058] The cooling and heating mechanism drives the rocker arm 1101, the connecting rod 1103, the hot channel damper rocker arm 1104, and the hot channel damper 1105.

[0059] The drive transmission of the air outlet mode mechanism is:

[0060] Face blowing and foot blowing mode linkage mechanism 13—first driving gear 1301—driving cam 1302—face blowing rocker arm 1303—face blowing linkage rod 1304—face blowing air door rocker arm 1305—face blowing air door 1306;

[0061] Driving cam 1302—foot blowing air door linkage arm 1307—right foot blowing air door 1308—right foot blowing air door rocker arm 1309—foot blowing connecting rod 1310—left foot blowing air door rocker arm 1311—left foot blowing air door 1312.

[0062] Defrost mode linkage mechanism 15—defrost mode linkage plate 1501—side defrost damper rocker arm 1502—left defrost damper 1503—side defrost damper connecting rod 1504—right defrost damper 1505;

[0063] Defrost mode linkage disk 1501—intermediate defrost damper rocker arm 1506—intermediate defrost damper 1507.

[0064] In the description of the specification, the description with reference to the terms "one embodiment", "preferably", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model, and the schematic expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0065] Through the description of the above structure and principle, technicians in the relevant technical field should understand that the present invention is not limited to the above-mentioned specific implementation methods, and improvements and substitutions based on the present invention using the known technology in the field all fall within the protection scope of the present invention and should be defined by the claims.

Claims

1. A defrost mode multi-mode automobile air conditioner body, comprising a main body box part (1) and a blower box part (2) connected to each other, the main body box part (1) is provided with a face blowing air outlet (18), left and right foot blowing air outlets (17) and a defrost air outlet (19), and the main body box part (1) is provided with a cooling channel (101), an evaporator core (102), a heating channel (103) and a warm air core (104), characterized in that: The main body box part (1) is also provided with a linkage damper mechanism (11), a face-blowing and foot-blowing mode linkage mechanism (13), and a defrosting mode linkage mechanism (15); The linkage damper mechanism (11) is used to control the switching between the cooling channel (101) and the heating channel (103); The face-blowing and foot-blowing mode linkage mechanism (13) is used to control the switching of the face-blowing air outlet (18) and the left and right foot-blowing air outlets (17); The defrost mode linkage mechanism (15) is used to control the opening and closing of the defrost air outlet (19).

2. The defrost mode multi-mode automobile air conditioner body according to claim 1, characterized in that: The linkage damper mechanism (11) comprises a cooling and heating mechanism driving rocker arm (1101), a cold channel damper (1102), a connecting rod (1103), a hot channel damper rocker arm (1104) and a hot channel damper (1105); the cold channel damper (1102) is arranged at the cooling channel (101), and the cooling and heating mechanism driving rocker arm (1101) is connected to the cold channel damper (1102) for controlling the opening and closing of the cooling channel (101); the hot channel damper (1105) is arranged at the heating channel (103), and the hot channel damper rocker arm (1104) is connected to the hot channel damper (1105) for controlling the opening and closing of the heating channel (103); and the two ends of the connecting rod (1103) are respectively connected to the cooling and heating mechanism driving rocker arm (1101) and the hot channel damper rocker arm (1104).

3. The defrosting mode multi-mode automobile air conditioner body according to claim 1, characterized in that: The face blowing and foot blowing mode linkage mechanism (13) comprises a first driving gear (1301), a driving cam (1302), a face blowing rocker arm (1303), a face blowing linkage rod (1304), a face blowing air door rocker arm (1305), a face blowing air door (1306), a foot blowing air door linkage arm (1307), a right foot blowing air door (1308), a right foot blowing air door rocker arm (1309), a foot blowing connecting rod (1310), a left foot blowing air door rocker arm (1311) and a left foot blowing air door (1312); the face blowing air door (1306) is arranged at the face blowing air outlet (18), and the face blowing air door rocker arm (1305) is connected to the face blowing air door (1306) for controlling the opening and closing of the face blowing air outlet (18); the left foot blowing air door (1312) and the right foot blowing air door (1308) are arranged at the left and right foot blowing air outlets (17), respectively, and the right foot blowing air door (1312) and the right foot blowing air door (1308) are arranged at the right and left foot blowing air outlets (17), respectively. The air door rocker arm (1309) and the left foot blowing air door rocker arm (1311) are respectively connected to the corresponding right foot blowing air door (1308) and the left foot blowing air door (1312), and are used to control the switch of the left and right foot blowing air outlets (17); the two ends of the foot blowing connecting rod (1310) are respectively connected to the right foot blowing air door rocker arm (1309) and the left foot blowing air door rocker arm (1311); the input end of the driving cam (1302) is connected to the first driving gear (1301), one of the output ends of the driving cam (1302) is connected to one end of the face blowing rocker arm (1303), and the other end of the face blowing rocker arm (1303) is connected to the face blowing air door rocker arm (1305) through the face blowing linkage rod (1304); the other output end of the driving cam (1302) is connected to the right foot blowing air door (1308) through the foot blowing air door linkage arm (1307).

4. The defrosting mode multi-mode automobile air conditioner body according to claim 3, characterized in that: The driving cam (1302) comprises a gear plate (130201), a foot-blowing cam track housing (130202) and a face-blowing linkage plate (130203); the gear plate (130201) is meshed with a first driving gear (1301); the foot-blowing cam track housing (130202) is matched with a foot-blowing air door linkage arm (1307); and the face-blowing linkage plate (130203) is matched with a face-blowing rocker arm (1303).

5. The defrost mode multi-mode automobile air conditioner body according to claim 1, characterized in that: The defrost mode linkage mechanism (15) comprises a defrost mode linkage disk (1501), a side defrost damper rocker arm (1502), a left defrost damper (1503), a side defrost damper connecting rod (1504), a right defrost damper (1505), a middle defrost damper rocker arm (1506) and a middle defrost damper (1507); the left defrost damper (1503), the right defrost damper (1505) and the middle defrost damper (1507) are respectively arranged at the defrost air outlet (19); The defrost damper rocker arm (1502) is respectively connected to the corresponding left defrost damper (1503) and right defrost damper (1505); the two ends of the side defrost damper connecting rod (1504) are respectively connected to the defrost damper rocker arms (1502) on both sides; the middle defrost damper rocker arm (1506) is connected to the middle defrost damper (1507); the defrost mode linkage disk (1501) is respectively connected to the middle defrost damper rocker arm (1506) and the adjacent side defrost damper rocker arm (1502).

6. The defrosting mode multi-mode automobile air conditioner body according to claim 1, characterized in that: The main body box part (1) is composed of a lower box (105), a left box (106), a right box (107) and a plurality of air outlet frames (108).

7. The defrosting mode multi-mode automobile air conditioner body according to claim 1, characterized in that: The main body box part (1) is also provided with a heating and cooling mechanism actuator (12) for driving the linked damper mechanism (11), a face-blowing and foot-blowing actuator (14) for driving the face-blowing and foot-blowing mode linked mechanism (13), and a defrost actuator (16) for driving the defrost mode linked mechanism (15).

8. The defrosting mode multi-mode automobile air conditioner body according to claim 1, characterized in that: The blower housing portion (2) comprises a connected fan housing (22) and an air inlet housing (23); the fan housing (22) is provided with a fan (21); the air inlet housing (23) is provided with an external circulation air inlet (26) and an internal circulation air inlet (27); and the main housing portion (1) is provided with an internal and external circulation mechanism (25) for controlling the switching of the external circulation air inlet (26) and the internal circulation air inlet (27).

9. The defrosting mode multi-mode automobile air conditioner body according to claim 8, characterized in that: The internal and external circulation mechanism (25) comprises a second driving gear (2501), a linkage gear rocker arm (2502), an internal circulation damper (2503), a linkage rod (2504), an external circulation damper rocker arm (2505) and an external circulation damper (2506); the external circulation damper (2506) is arranged at the external circulation air inlet (26), and the external circulation damper rocker arm (2505) is connected to the external circulation damper (2506) for controlling the opening and closing of the external circulation air inlet (26); the internal circulation damper (2503) is arranged at the internal circulation air inlet (27), and the linkage gear rocker arm (2502) is connected to the internal circulation damper (2503) for controlling the opening and closing of the internal circulation air inlet (27); and the two ends of the linkage rod (2504) are respectively connected to the external circulation damper rocker arm (2505) and the linkage gear rocker arm (2502).

10. The defrosting mode multi-mode automobile air conditioner body according to claim 8, characterized in that: The outer circulation air inlet (26) and the inner circulation air inlet (27) of the air inlet box (23) are respectively provided with inner air inlet filters (28); the air inlet box (23) is also provided with an inner and outer circulation air inlet actuator (24) for driving the inner and outer circulation mechanism (25).

Images