Three-mode single-drive vehicle air conditioner

Abstract

The utility model discloses a three-mode single-drive vehicle air conditioner which comprises a left shell and a right shell, a defrosting air door, a face blowing air door, a foot blowing air door, an upper mixing air door and a lower mixing air door are arranged in the shells respectively, and the air doors rotate around respective rotating shafts to achieve opening and closing. The cam disc is installed on the right shell, the cam disc is connected with the driving component, and a face blowing air door, a defrosting air door and a foot blowing air door are sequentially connected to the cam disc; the hybrid drive gear is installed on the right shell and connected with the upper mixing air door and the lower mixing air door. The three-mode air blowing device has the advantages that single-drive control is achieved through the cam disc, the cam disc is matched with the mixed air door, three-mode (face blowing / defrosting / foot blowing) air blowing application of an automobile air conditioner can be achieved, any two modes can be freely combined, and meanwhile the air blowing requirement for combination of the three modes and any two modes of the automobile air conditioner is met on a temperature control single-drive air conditioner. Various air outlet requirements of passengers can be met as much as possible, and the comfort in the vehicle is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle equipment, in particular to a three-mode single-drive vehicle air conditioner. Background Art

[0002] As the application of air conditioning technology in automobiles, automotive air conditioning can create a comfortable thermal microenvironment inside the car and keep the indoor air temperature, humidity, flow rate, cleanliness, noise and residual pressure within a comfortable standard range. It is not only beneficial to protect the physical and mental health of people in the car, improve their work efficiency and quality of life, but also plays a positive role in increasing the safety of automobile driving.

[0003] Car air conditioners can not only control the temperature in the car, heating and cooling the air, but also remove it from the air and inhale fresh air to keep the air in the car fresh. They can even filter the air and remove dust or pollen in the air so as to control the temperature in the car to a comfortable level.

[0004] There are 5 air outlet modes for commonly used car air conditioners on the market, including a single air outlet mode: single face blowing, single defrost, and foot blowing, and two mixed air outlet modes: face blowing and foot blowing, and defrost blowing and foot blowing. In order to meet the market's demand for multi-mode simultaneous blowing experience and quick defrosting of car air conditioners, cars, as a means of transportation, have limited internal space, and thus the space for the air-conditioning system is limited. Therefore, a new three-mode single-drive blowing coexisting car air-conditioning mechanism is needed to be invented, which can meet any two and half-mode combinations at the same time, and a single drive can reduce the components of the car air conditioner and save space. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a three-mode single-drive vehicle air conditioner.

[0006] The technical solution is as follows: a three-mode single-drive vehicle air conditioner, the key point of which is that a defrost damper, a face damper, a foot damper, an upper mixing damper, and a lower mixing damper are arranged in a housing, and all the dampers rotate around their respective rotating shafts to realize opening and closing;

[0007] It also includes a cam plate installed on the shell, the cam plate is connected to the driving component, the cam plate is respectively connected to the face-blowing air door, the defrost air door, and the foot-blowing air door, and the cam plate drives the face-blowing air door, the defrost air door, and the foot-blowing air door to move.

[0008] With the above structure, the cam plate can realize the control of the face-blowing damper, defrost damper and foot-blowing damper, single-drive control, and the mixed damper adopts another drive. The two cooperate with each other to realize the three-mode (face-blowing / defrosting / foot-blowing) blowing application of automobile air conditioning and free combination of any two modes, not limited to the traditional five blowing modes, and at the same time realize the three-mode and any two-mode combination blowing needs of automobile air conditioning on the temperature-controlled single-drive air conditioner.

[0009] As a preferred embodiment, the housing comprises a left housing and a right housing, and the cam plate is mounted on the right housing. With the above structure, the left and right housings can be easily installed and disassembled, which is convenient for maintenance personnel to operate.

[0010] Preferably: the cam disc is connected to a blowing face swing arm, the central cylinder of the blowing face swing arm is limited in the trajectory groove of the control blowing face mode of the cam disc, a long hole is provided at the other end of the blowing face swing arm, a blowing face rocker arm is installed in the long hole, the other end of the blowing face rocker arm is fixedly connected to the blowing face damper spline, and the blowing face swing arm, the blowing face rocker arm, and the blowing face damper are driven to move when the cam disc rotates. With the above structure, the central cylinder of the blowing face swing arm is fixed in the trajectory groove of the control blowing face mode of the cam disc, and the trajectory groove can rotate with the rotation of the cam disc, thereby driving the blowing face swing arm to rotate around its central cylinder, and the long hole set at the other end can move with the rotation of the blowing face swing arm to drive the blowing face rocker arm to rotate around the central cylinder, and further drive the blowing face damper to rotate together.

[0011] Preferably, a trajectory groove for controlling the defrost mode is provided on the cam disk, the trajectory groove for controlling the defrost mode and the trajectory groove for controlling the blowing surface mode are located on the same surface of the cam disk, a defrost swing arm is provided in the trajectory groove for controlling the defrost mode, the central cylinder of the defrost swing arm is confined in the trajectory groove for controlling the defrost mode, the defrost swing arm is connected to the defrost rocker arm through a gear, the defrost rocker arm and the defrost damper are fixedly connected by a spline, and the defrost swing arm, the defrost rocker arm and the defrost damper are driven to move when the cam disk rotates. With the above structure, during the rotation of the cam disk, its trajectory groove also rotates accordingly, and when the trajectory groove rotates with the cam disk, it can drive the defrost swing arm to rotate around its central cylinder, the defrost swing arm and the defrost rocker arm are meshed through a gear mechanism, and when the defrost swing arm rotates, it will drive the defrost rocker arm to rotate in the opposite direction, so that the defrost damper will rotate together with the defrost rocker arm.

[0012] As a preferred embodiment: a foot blowing mode control track groove is provided on the other side of the cam disc, a foot blowing linkage arm is arranged in the foot blowing mode control track groove, the central cylinder of the foot blowing linkage arm is confined in the foot blowing mode control track groove, the other end of the foot blowing linkage arm is sequentially connected with a foot blowing short connecting rod and a foot blowing rocker arm, the foot blowing rocker arm is connected to the foot blowing air door, and the foot blowing linkage arm, the foot blowing short connecting rod, the foot blowing rocker arm and the foot blowing air door are driven to move when the cam disc rotates. With the above structure, during the rotation of the cam disc, the track groove rotates accordingly, which can drive the foot blowing linkage arm to rotate around its central cylinder, further drive the foot blowing short connecting rod and the foot blowing rocker arm, and thus drive the foot blowing air door to rotate together.

[0013] Preferably, the foot blowing rocker arm is fixedly connected to one end of the right foot blowing air door through a spline structure, the other end of the right foot blowing air door is connected to the foot blowing connecting rod through the right foot blowing rocker arm, the left end of the foot blowing connecting rod is connected to the left foot blowing air door through the left foot blowing rocker arm, and the right foot blowing air door and the left foot blowing air door are linked together through the foot blowing connecting rod. With the above structure, the left foot blowing air door and the right foot blowing air door can be linked together through the foot blowing connecting rod, and the whole is connected to the foot blowing rocker arm to realize driving, and the left and right foot blowing rockers can ensure the normal rotation of the left and right foot blowing air doors.

[0014] Preferably, a hybrid drive gear is installed on the right housing, the hybrid drive gear is connected to the upper hybrid air door and the lower hybrid air door, and the hybrid drive gear drives the upper hybrid air door and the lower hybrid air door to move. With the above structure, the hybrid air door is driven by a separate drive mechanism, thereby realizing the control of the hybrid air door.

[0015] Preferably, a mixing drive gear is installed on the right housing, the mixing drive gear is connected to a driving rocker arm, the upper part of the driving rocker arm is connected to an upper mixing rocker arm, the driving rocker arm and the upper mixing rocker arm are connected by gears, the upper mixing rocker arm is connected to an upper mixing damper at one end close to the driving rocker arm, the other end of the upper mixing rocker arm is connected to a mixing damper connecting rod, and the mixing damper connecting rod is sequentially connected to the lower mixing rocker arm and the lower mixing damper. With the above structure, the mixing damper connecting rod can link the upper and lower mixing dampers together, and the whole is connected to the driving rocker arm, further driving the upper and lower mixing dampers to rotate, and can effectively realize the control of the mixing damper.

[0016] As a preferred embodiment: the cam plate drives the face blowing swing arm, face blowing rocker arm, defrost swing arm, defrost rocker arm and foot blowing linkage arm, foot blowing short connecting rod, and foot blowing rocker arm to rotate respectively during the rotation process, and can realize the opening and closing of the face blowing air door, defrost air door and foot blowing air door in turn, and realize any mode combination of the three air doors by changing the track groove on the cam plate, including: single face blowing mode, single defrost mode, single foot blowing mode, face blowing defrost mode, face blowing foot mode, face blowing defrost foot mode, defrost blowing foot mode, totaling seven air outlet modes. The above structure can realize any mode combination of air doors, provide multiple air outlet modes, and facilitate users in the car to use them at will.

[0017] As a preference: any one of the seven air outlet modes can be arbitrarily matched with the upper mixing air door and the lower mixing air door controlled by the hybrid drive gear. With the above structure, the air outlet mode can cooperate with the mixing air door to meet any air outlet needs of passengers and enhance the comfort in the car.

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows: the face-blowing damper, defrost damper and foot-blowing damper are controlled by a cam plate, and in cooperation with the mixing damper, the three-mode (face-blowing / defrosting / foot-blowing) blowing application of the automobile air-conditioning can be realized, and any two modes can be freely combined. It is no longer limited to the traditional five blowing modes, and at the same time, the three-mode and any two-mode combination blowing needs of the automobile air-conditioning are realized on the temperature-controlled single-drive air-conditioner, which can meet the various air outlet needs of users in the car as much as possible, and reasonably and effectively enhance the comfort of using the air-conditioning in the car. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 A three-dimensional schematic diagram of the heater box and drive components with the right housing removed;

[0021] Figure 3 It is a three-dimensional schematic diagram of the cam disc motion mechanism;

[0022] Figure 4 It is a three-dimensional schematic diagram of the other side of the cam disc motion mechanism;

[0023] Figure 5 A three-dimensional schematic diagram without the driving components;

[0024] Figure 6 It is a three-dimensional schematic diagram of the defrosting motion mechanism;

[0025] Figure 7 It is a three-dimensional schematic diagram of the foot blowing movement mechanism;

[0026] Figure 8 It is a three-dimensional schematic diagram of the mixed mode motion mechanism. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with embodiments and drawings.

[0028] like Figure 1 to Figure 2 As shown, a three-mode single-drive vehicle air conditioner is provided with a defrost damper 3, a face damper 4, a foot damper 5, an upper mixing damper 6, and a lower mixing damper 7 in a housing, and all the dampers are opened and closed by rotating around their respective rotating shafts;

[0029] It also includes a cam plate 8 mounted on the housing, the cam plate 8 is connected to a driving component, the driving component may be a stepping motor, the cam plate 8 is respectively connected to the face-blowing damper 4, the defrosting damper 3, and the foot-blowing damper 5, and the cam plate 8 drives the face-blowing damper 4, the defrosting damper 3, and the foot-blowing damper 5 to move;

[0030] It also includes a hybrid driving gear installed on the housing, wherein the hybrid driving gear is connected to the upper hybrid air door 6 and the lower hybrid air door 7, and the hybrid driving gear drives the upper hybrid air door 6 and the lower hybrid air door 7 to operate.

[0031] The housing includes a left housing 1 and a right housing 2 , the cam plate 8 is mounted on the right housing 2 , and the hybrid drive gear is also mounted on the right housing 5 .

[0032] like Figure 3 and Figure 4 As shown, a trajectory groove 801 for controlling the face blowing mode and a trajectory groove 802 for controlling the defrost mode are provided on one side of the cam disc 8, and a trajectory groove 803 for controlling the foot blowing mode is provided on the other side of the cam disc 8. The trajectory grooves are correspondingly connected with rocker arms for controlling the dampers, thereby controlling each damper. Therefore, the angle of rotation of the damper can be controlled by only adjusting the shape of each trajectory groove, which can adapt to the needs of different angles.

[0033] like Figure 5 As shown, the cam disc 8 is connected to a blowing face swing arm 401, and the central cylinder of the blowing face swing arm 401 is confined in a control blowing face mode track groove 801 of the cam disc 8, and a long hole 402 is opened at the other end of the blowing face swing arm 401, and a blowing face rocker arm 403 is installed in the long hole 402, and the other end of the blowing face rocker arm 403 is spline-fixedly connected to the blowing face damper 4, and the cam disc 8 is spline-connected to the driving motor. When the driving motor drives the cam disc 8 to rotate, the control blowing face mode track groove 801 on the cam disc rotates accordingly, thereby driving the blowing face swing arm 401, the blowing face rocker arm 403, and the blowing face damper 4 to rotate, thereby realizing the control of the blowing face damper.

[0034] like Figure 6As shown, a defrost mode control track groove 802 is opened on the cam disc 8, and a defrost swing arm 301 is arranged in the defrost mode control track groove 802. The central cylinder of the defrost swing arm 301 is confined in the defrost mode track groove 802. The defrost swing arm 301 is connected to the defrost rocker arm 302 through a gear. The defrost rocker arm 302 is spline-fixedly connected to the defrost damper 3, which is consistent with the control method of the above-mentioned blowing damper 4. When the cam disc 8 rotates, it drives the defrost swing arm 301, the defrost rocker arm 302 and the defrost damper 3 to rotate, thereby controlling the defrost damper.

[0035] like Figure 7 As shown, a foot blowing mode control trajectory groove 803 is provided on the other side of the cam disc 8, and a foot blowing linkage arm 501 is arranged in the foot blowing mode control trajectory groove 803. The central cylinder of the foot blowing linkage arm 501 is confined in the foot blowing mode control trajectory groove 803, and the other end of the foot blowing linkage arm 501 is connected with a foot blowing short connecting rod 502 and a foot blowing rocker arm 503 in sequence, and the foot blowing rocker arm 503 is connected to the foot blowing air door 5, which is consistent with the above-mentioned control method. When the cam disc 8 rotates, it drives the foot blowing linkage arm 501, the foot blowing short connecting rod 502, the foot blowing rocker arm 503 and the foot blowing air door 5 to rotate, thereby achieving Now let's control the foot-blowing damper 5; the foot-blowing damper 5 comprises a left foot-blowing damper 508 and a right foot-blowing damper 504; the foot-blowing rocker arm 503 is fixedly connected to one end of the right foot-blowing damper 504 via a spline structure; the other end of the right foot-blowing damper 504 is connected to the foot-blowing connecting rod 506 via the right foot-blowing rocker arm 505; the left end of the foot-blowing connecting rod 506 is connected to the left foot-blowing damper 508 via the left foot-blowing rocker arm 507; the right foot-blowing damper 504 and the left foot-blowing damper 508 are linked via the foot-blowing connecting rod 506, so that the left foot-blowing damper 508 and the right foot-blowing damper 504 can rotate together.

[0036] like Figure 8 As shown, the hybrid driving gear is connected to a driving rocker arm 901, and the upper part of the driving rocker arm 901 is connected to an upper hybrid rocker arm 601, and the driving rocker arm 901 and the upper hybrid rocker arm 601 are gear-connected, and one end of the upper hybrid rocker arm 601 close to the driving rocker arm 901 is connected to an upper hybrid damper 6, and the other end of the upper hybrid rocker arm 601 is connected to a hybrid damper connecting rod 10, which is connected to a lower hybrid rocker arm 701 and a lower hybrid damper 7 in sequence through the hybrid damper connecting rod 10. Therefore, when the hybrid driving gear drives the upper hybrid damper 6 to rotate, it can also drive the lower hybrid damper 7 through the hybrid damper connecting rod 10, so that the two rotate together.

[0037] Working principle: during the rotation process, the cam plate 8 respectively drives the face blowing swing arm 401, the face blowing rocker arm 403, the defrost swing arm 301, the defrost rocker arm 302 and the foot blowing linkage arm 501, the foot blowing short connecting rod 502, and the foot blowing rocker arm 503 to rotate, so as to realize the opening and closing of the face blowing damper 4, the defrost damper 3 and the foot blowing damper 5 in turn. The cam plate 8 can realize single-drive control of the face blowing damper 4, the defrost damper 3 and the foot blowing damper 5, and realize any combination of modes of the three dampers by changing the track groove on the cam plate 8, including: single face blowing mode, single defrost mode, single foot blowing mode, face blowing defrost mode, face blowing foot mode, face blowing defrost foot blowing mode, and defrost blowing foot mode, a total of seven air outlet modes. Any one of the seven air outlet modes can be arbitrarily matched with the upper mixing damper 6 and the lower mixing damper 7 controlled by the hybrid drive gear to achieve more combinations, which can meet the requirements of car users for different air outlet modes and effectively improve the comfort in the car.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present invention. Under the guidance of the present invention, ordinary technicians in this field can make a variety of similar expressions without violating the purpose and claims of the present invention, and such changes fall within the scope of protection of the present invention.

Claims

1. A three-mode single-drive vehicle air conditioner, characterized in that: A defrosting damper (3), a face-blowing damper (4), a foot-blowing damper (5), an upper mixing damper (6), and a lower mixing damper (7) are arranged in the housing, and all the dampers rotate around their respective rotating shafts to open and close; It also includes a cam plate (8) mounted on the housing, the cam plate (8) being connected to a driving component, the cam plate (8) being connected to the face-blowing damper (4), the defrosting damper (3), and the foot-blowing damper (5), respectively, and the cam plate (8) drives the face-blowing damper (4), the defrosting damper (3), and the foot-blowing damper (5) to move.

2. The three-mode single-drive vehicle air conditioner according to claim 1, characterized in that: The housing comprises a left housing (1) and a right housing (2), and the cam disc (8) is mounted on the right housing (2).

3. The three-mode single-drive vehicle air conditioner according to claim 1 or 2, characterized in that: The cam disc (8) is connected to a face blowing swing arm (401), a central cylinder of the face blowing swing arm (401) is limited within a face blowing mode control track groove (801) of the cam disc (8), a long hole (402) is provided at the other end of the face blowing swing arm (401), a face blowing rocker arm (403) is installed in the long hole (402), the other end of the face blowing rocker arm (403) is spline-fixedly connected to the face blowing air door (4), and when the cam disc (8) rotates, the face blowing swing arm (401), the face blowing rocker arm (403), and the face blowing air door (4) are driven to move.

4. The three-mode single-drive vehicle air conditioner according to claim 3, characterized in that: A defrost mode control track groove (802) is provided on the cam disc (8), and the defrost mode control track groove (802) and the blowing surface control track groove (801) are located on the same surface of the cam disc (8). A defrost swing arm (301) is provided in the defrost mode control track groove (802), and the central cylinder of the defrost swing arm (301) is confined in the defrost mode track groove (802). The defrost swing arm (301) is connected to the defrost rocker arm (302) via a gear, and the defrost rocker arm (302) is fixedly connected to the defrost damper (3) via a spline. When the cam disc (8) rotates, the defrost swing arm (301), the defrost rocker arm (302) and the defrost damper (3) are driven to move.

5. The three-mode single-drive vehicle air conditioner according to claim 4, characterized in that: A foot-blowing mode control track groove (803) is provided on the other side of the cam plate (8), a foot-blowing mode control track groove (803) is provided in the foot-blowing mode control track groove (803), a central cylinder of the foot-blowing mode control track groove (501) is confined in the foot-blowing mode control track groove (803), the other end of the foot-blowing mode control track groove (501) is connected in sequence to a foot-blowing short connecting rod (502) and a foot-blowing rocker arm (503), the foot-blowing rocker arm (503) is connected to the foot-blowing air door (5), and when the cam plate (8) rotates, the foot-blowing mode control track groove (803) is driven to move the foot-blowing linkage arm (501), the foot-blowing short connecting rod (502), the foot-blowing rocker arm (503) and the foot-blowing air door (5).

6. The three-mode single-drive vehicle air conditioner according to claim 5, characterized in that: The foot blowing rocker arm (503) is fixedly connected to one end of the right foot blowing damper (504) via a spline, the other end of the right foot blowing damper (504) is connected to the foot blowing connecting rod (506) via the right foot blowing rocker arm (505), the left end of the foot blowing connecting rod (506) is connected to the left foot blowing damper (508) via the left foot blowing rocker arm (507), and the right foot blowing damper (504) and the left foot blowing damper (508) are linked via the foot blowing connecting rod (506).

7. The three-mode single-drive vehicle air conditioner according to claim 2, characterized in that: A mixing drive gear is mounted on the right housing (2), the mixing drive gear is connected to an upper mixing air door (6) and a lower mixing air door (7), and the mixing drive gear drives the upper mixing air door (6) and the lower mixing air door (7) to operate.

8. The three-mode single-drive vehicle air conditioner according to claim 7, characterized in that: A mixing drive gear is mounted on the right housing (2), the mixing drive gear is connected to a driving rocker arm (901), the upper part of the driving rocker arm (901) is connected to an upper mixing rocker arm (601), the driving rocker arm (901) and the upper mixing rocker arm (601) are connected via a gear, one end of the upper mixing rocker arm (601) close to the driving rocker arm (901) is connected to an upper mixing damper (6), the other end of the upper mixing rocker arm (601) is connected to a mixing damper connecting rod (10), and is sequentially connected to a lower mixing rocker arm (701) and a lower mixing damper (7) via the mixing damper connecting rod (10).

9. The three-mode single-drive vehicle air conditioner according to claim 1 or 2, characterized in that: The cam plate (8) drives the face blowing swing arm (401), the face blowing rocker arm (403), the defrosting swing arm (301), the defrosting rocker arm (302), the foot blowing linkage arm (501), the foot blowing short connecting rod (502), and the foot blowing rocker arm (503) to rotate respectively during the rotation process, and can realize the opening and closing of the face blowing air door (4), the defrosting air door (3), and the foot blowing air door (5) in sequence. By changing the track groove on the cam plate (8), any mode combination of the three air doors can be realized, including: single face blowing mode, single defrosting mode, single foot blowing mode, face blowing defrosting mode, face blowing foot blowing mode, face blowing defrosting foot blowing mode, and defrosting foot blowing mode, a total of seven air outlet modes.

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