KR20160023948A - Air conditioner for vehicle - Google Patents

Air conditioner for vehicle Download PDF

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Publication number
KR20160023948A
KR20160023948A KR1020140108792A KR20140108792A KR20160023948A KR 20160023948 A KR20160023948 A KR 20160023948A KR 1020140108792 A KR1020140108792 A KR 1020140108792A KR 20140108792 A KR20140108792 A KR 20140108792A KR 20160023948 A KR20160023948 A KR 20160023948A
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KR
South Korea
Prior art keywords
actuator
lever
air
arm
pin
Prior art date
Application number
KR1020140108792A
Other languages
Korean (ko)
Other versions
KR102056778B1 (en
Inventor
정재오
김용식
이준민
엄부용
Original Assignee
한온시스템 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 한온시스템 주식회사 filed Critical 한온시스템 주식회사
Priority to KR1020140108792A priority Critical patent/KR102056778B1/en
Publication of KR20160023948A publication Critical patent/KR20160023948A/en
Application granted granted Critical
Publication of KR102056778B1 publication Critical patent/KR102056778B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00664—Construction or arrangement of damper doors
    • B60H1/00671—Damper doors moved by rotation; Grilles
    • B60H1/00678—Damper doors moved by rotation; Grilles the axis of rotation being in the door plane, e.g. butterfly doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
    • B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
    • B60H1/00835—Damper doors, e.g. position control
    • B60H1/00857—Damper doors, e.g. position control characterised by the means connecting the initiating means, e.g. control lever, to the damper door
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00007—Combined heating, ventilating, or cooling devices
    • B60H1/00021—Air flow details of HVAC devices
    • B60H2001/00078—Assembling, manufacturing or layout details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00664—Construction or arrangement of damper doors
    • B60H2001/007—Manufacturing or assembling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00664—Construction or arrangement of damper doors
    • B60H2001/00707—Details of pivots of damper doors

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

Disclosed is a vehicular air conditioning system in which a lever and an arm are pressed in a coupling direction when an actuator and a lever are engaged, thereby preventing the lever and the arm from being separated from each other. An air conditioning system for a vehicle includes an air conditioning case having an air inlet formed on an inlet side thereof and an air outlet formed on an outlet side thereof and an air passage formed therein, a cooling means and a heating means provided on the air passage of the air conditioning case, An actuator provided on an outer side of the air conditioning case to provide power for rotating the door; a lever coupled to the rotation shaft of the actuator to transmit power to the door; ; An actuator pin is provided on one surface of the actuator facing the lever, and a slot for an actuator pin coupled with the actuator pin is formed on the lever. Therefore, when the actuator and the lever are engaged, the lever and the arm can be prevented from being separated by the large rod applied to the deforming portion, and the rotation can be smoothly driven.

Description

TECHNICAL FIELD [0001] The present invention relates to an air conditioner for an automobile,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner, and more particularly, to an air conditioner for a vehicle having an actuator for providing a driving force to a door for adjusting the opening of the air passage and a lever for transmitting power.

2. Description of the Related Art Generally, a vehicle air conditioner is an apparatus for heating or cooling a vehicle interior by introducing outside air into the room or circulating air in the room to heat or cool the room. That is, in the vehicle air conditioner, air is introduced into the passenger compartment through a blower, the inflow air passes through an evaporator through which refrigerant flows, and then selectively passes through a heater core according to the opening and closing of the temp door, And is selectively blown to each part of the interior of the vehicle by the door.

Fig. 1 shows a conventional air conditioner for a vehicle, and Fig. 2 is a perspective view showing a lever and an arm of a conventional air conditioner for a vehicle.

1, a conventional automotive air conditioner 1 includes an air conditioning case 10, a blower (not shown), an evaporator 2 and a heater core 3, and a temperature control door 15 .

An air inlet 11 is formed at the inlet side of the air conditioning case 10 and a deprost vent 12a, a face vent 12b and a floor vent 12c, which are respectively opened and closed by mode doors 17 and 18, , 12d are formed. The blower is connected to the air inlet (11) of the air conditioner case (10) and functions to blow air or outside air. The evaporator 2 and the heater core 3 are installed in the air conditioning case 10 in sequence. The temperature control door 15 is provided between the evaporator 2 and the heater core 3 and is provided with a cool air passage P1 for bypassing the heater core 3 and a cool air passage P1 for bypassing the heater core 3, Thereby regulating the opening of the flow path P2.

In this case, the mode door comprises a vent door 16 for regulating the opening of the defrost vent 12a and the face vent 12b, and a floor door 18 for regulating the opening of the floor vents 12c and 12d . In addition, the floor vents 12c and 12d are separated into a front seat floor vent 12c and a rear seat floor vent 12d. The temperature control door 15 and the mode doors 17 and 18 are connected to an actuator (not shown) provided outside the air conditioner case 10 and are rotated to operate the openings of the cold and warm air flow paths P1 and P2. And adjusts the opening of the flow path toward each of the vents 12a to 12d.

In the vehicle air conditioner 1 configured as described above, in the maximum cooling mode, the temperature control door 15 opens the cold air passage P1 and closes the warm air passage P2. Accordingly, the air blown by the blower exchanges heat with the refrigerant flowing in the evaporator 2 through the evaporator 2 to be converted into a cool air, and then is supplied to a mixing chamber MC through the cold air flow path P1. . Thereafter, the air in the passenger compartment is cooled by being selectively discharged into the passenger compartment through the vents 12a to 12d which are opened according to a predetermined air conditioning mode.

Further, in the maximum heating mode, the temperature control door 15 closes the cold air flow path P1 and opens the warm air flow path P2. Thus, the air blown by the blower passes through the evaporator 2, passes through the heater core 3 through the hot air passage P2, exchanges heat with the cooling water flowing in the heater core 3, And then flows to the mixing chamber MC side. Thereafter, the indoor air is selectively discharged through the vents 12a to 12d opened in accordance with the predetermined air conditioning mode, thereby heating the interior of the vehicle.

The temperature control door 15 and the mode doors 17 and 18 (hereinafter, referred to as door) are driven and rotated by receiving an electric power from an actuator provided outside the air conditioning case 10. In this case, a cam, a lever, and an arm, which are power transmission means, may be provided between the door and the actuator.

2, the rotary shaft of the door is coupled to one side in the longitudinal direction of the arm 30, and the arm pin is provided on the other side of the arm 30. As shown in Fig. The arm pin is movably connected along the slot 21 of the lever 20, and the lever 20 is coupled to the rotation shaft of the actuator through the cutting portion 22. When the rotary shaft of the actuator is rotated, the lever 20 is rotated about the deforming portion 22 and the arm 30 is rotated in the direction of the axis of rotation of the door as the arm pin moves along the slot 21 of the lever 20 So that the door is rotated.

However, in the conventional automotive air conditioner, when the actuator and the lever 20 are coupled with each other, a load is applied to the deforming portion 22 so that the arm pin often comes off the slot 21 of the lever 20, 20 or the product of the arm 30 has uneven flatness or there is dust or foreign matter in the slot 20 of the lever 20, there is a problem that the arm pin is detached from the slot 21.

In order to solve such a conventional problem, the present invention provides a vehicle air conditioning system in which a lever and an arm are pressed in a coupling direction when an actuator and a lever are engaged, thereby preventing the lever and the arm from being separated from each other.

The air conditioning system according to the present invention includes an air conditioning case having an air inlet formed at an inlet side thereof, an air outlet formed at an outlet side thereof, and an air passage formed therein, a cooling means provided on an air passage of the air conditioning case, And a door that adjusts an opening of an air passage or an air outlet of the air conditioner case, an actuator provided outside the air conditioner case to provide power for rotating the door, And a lever for transmitting the lever; An actuator pin is provided on one surface of the actuator facing the lever, and a slot for an actuator pin coupled with the actuator pin is formed on the lever.

The actuator pin is spaced apart from the rotation axis in the radial direction. The lever is formed with a cut-away portion to be coupled to the rotation axis of the actuator. The slot for the actuator pin is formed concentrically on the outer side of the cut-

In this case, an arm is formed on an outer surface of the air conditioning case with a door coupling portion to be engaged with a rotation shaft of the door, and an arm pin is protruded outwardly from the arm; The lever has a slot for an arm pin coupled with the arm pin, and a slot for an actuator pin is formed on an opposite surface of the lever facing the arm.

The actuator pin is protruded from the stepped portion toward the slot for the actuator pin so that the circumferential surface of the stepped portion surrounding the circumference of the actuator pin protrudes from the stepped portion of the actuator pin, Click

The air conditioner according to the present invention is configured such that the actuator presses the lever, thereby preventing the lever and the arm from being separated by the large rod applied to the deforming portion when the actuator and the lever are coupled, and smooth rotation driving is possible.

1 is a sectional view showing a conventional automotive air conditioner,
2 is a perspective view showing a lever and an arm of a conventional automotive air conditioner,
3 is a cross-sectional view of a vehicle air conditioning system according to an embodiment of the present invention,
4 is a perspective view showing an actuator, a lever and an arm of the air conditioner according to the embodiment of the present invention,
5 is a perspective view illustrating an actuator of a vehicle air conditioner according to an embodiment of the present invention,
6 is a perspective view showing a lever of a vehicle air conditioner according to an embodiment of the present invention,
7 is a cross-sectional view illustrating an actuator, a lever, and an arm of a vehicle air conditioner according to an embodiment of the present invention,
8 is an enlarged cross-sectional view of "A"

Hereinafter, the technical configuration of the air conditioner for a vehicle will be described in detail with reference to the accompanying drawings.

3 is a sectional view showing a vehicle air conditioning system according to an embodiment of the present invention.

3, a vehicle air conditioning system 100 according to an embodiment of the present invention includes an air conditioning case 110, a blower (not shown), an evaporator 102 and a heater core 103, And a control door 115.

An air inlet 111 is formed at the inlet side of the air conditioning case 110 and a defrost vent 112a, a face vent 112b and floor vents 112c and 112d, which are respectively opened and closed by mode doors 117 and 118, Is formed. The blower is connected to the air inlet 111 of the air conditioner case 110 and functions to blow air or outside air. The evaporator 102 and the heater core 103 are sequentially installed inside the air conditioning case 110. The temperature control door 115 is provided between the evaporator 102 and the heater core 103 and is provided with a cool air passage P1 for bypassing the heater core 103 and a warm air passage Thereby regulating the opening of the flow path P2.

In this case, the mode door comprises a vent door 116 for regulating the opening of the defrost vent 112a and the face vent 112b, and a floor door 118 for regulating the opening of the floor vents 112c and 112d . Further, the floor vents 112c and 112d are separated into a floor vent 112c for the front seat and a floor vent 112d for the rear seat. The temperature control door 115 and the mode doors 117 and 118 are connected to an actuator installed outside the air conditioning case 110 and rotate to adjust the opening degree of the cold air flow paths P1 and P2, 112a to 112d.

In the vehicle air conditioning system 100 configured as described above, in the maximum cooling mode, the temperature control door 115 opens the cold air passage P1 and closes the warm air passage P2. Accordingly, the air blown by the blower exchanges heat with the refrigerant flowing in the evaporator 102 through the evaporator 102 to be converted into a cool air, and then is supplied to a mixing chamber (MC) through the cold air flow path P1, . Thereafter, the indoor air is selectively discharged to the vehicle interior through the vents 112a to 112d which are opened according to the predetermined air conditioning mode, thereby cooling the interior of the vehicle.

In the maximum heating mode, the temperature control door 115 closes the cold air flow path P1 and opens the warm air flow path P2. Accordingly, the air blown by the blower passes through the evaporator 102 and then flows through the heater core 103 through the hot air flow path P2, exchanges heat with the cooling water flowing in the heater core 103 And then flows to the mixing chamber MC side. Thereafter, the indoor air is selectively discharged to the vehicle interior through the vents 112a to 112d which are opened in accordance with the predetermined air conditioning mode, thereby heating the interior of the vehicle.

In this case, the temperature control door 115 and the mode doors 117 and 118 are rotationally driven by receiving an electric power from an actuator provided outside the air conditioning case 110. In this case, a cam, a lever, and an arm, which are power transmission means, may be provided between the door and the actuator.

FIG. 4 is a perspective view showing an actuator, a lever and an arm of an automotive air conditioner according to an embodiment of the present invention, FIG. 5 is a perspective view showing an actuator of the automotive air conditioner according to an embodiment of the present invention, 7 is a cross-sectional view showing an actuator, a lever and an arm of an automotive air conditioner according to an embodiment of the present invention, Fig. 8 is a sectional view of the lever of the automotive air conditioner of Fig. 7 Quot; A "of Fig.

In the following description, the vertical direction in Fig. 7 is "axial direction" and the horizontal direction is "radial direction ".

3 to 8, the door adjusts the opening of the air passage or air outlet in the air conditioning case 110, and may be one of the above-described temperature control door 115 or the mode doors 117 and 118. Hereinafter, for convenience of explanation, the temperature control door 115 or the mode doors 117 and 118 are referred to as "doors ".

The vehicle air conditioning system 100 according to an embodiment of the present invention includes an actuator 200, a lever 300, and an arm 400. The actuator 200 is provided outside the air conditioning case 110 to provide power for rotating the door. The lever 300 is coupled to the rotation shaft 220 of the actuator 200 and functions to transmit power to the door. The actuator 200 is formed with a fastening hole 230 and can be assembled to the air conditioning case 110.

An arm 400 is provided on an outer surface of the air conditioning case 110. The arm 400 is formed with a door coupling part 420 and the door coupling part 420 is coupled with the rotation axis of the door. The arm 400 protrudes outwardly from the arm 400. The lever 300 is formed with a slot 310 for an arm pin to be coupled with the arm pin 410.

That is, the rotation axis of the door is coupled to the door coupling part 420 formed at one side in the longitudinal direction of the arm 400, and the arm pin 410 is provided at the other side of the arm 400. The arm pin 410 is inserted into the slot 310 for the arm pin of the lever 300 and is slidably connected along the slot 310 for the arm pin. In addition, the lever 300 is formed with a deforming portion 330 coupled to the rotation axis 220 of the actuator 200. The lever 300 is coupled to the rotary shaft 220 of the actuator 200 through a cutting portion 330.

When the rotary shaft 220 of the actuator 200 is rotated, the lever 300 is rotated about the deforming portion 330. [ As the arm pin 410 moves along the slot 310 for the arm pin of the lever 300, the arm 400 is rotated about the rotation axis of the door so that the door is rotationally driven in the air conditioning case 110 .

In particular, the actuator pin 210 is provided on one surface of the actuator 200 facing the lever 300. In addition, the lever 300 is formed with a slot 320 for an actuator pin coupled with the actuator pin 210. That is, when the actuator 200 is coupled to the lever 300, the actuator pin 210 and the slot 320 for the actuator pin are formed on the mutually facing surfaces, so that the actuator pin 210 is inserted into the slot 320 for the actuator pin.

The actuator pin 210 is inserted into the slot 320 for the actuator pin so that the actuator 200 presses the lever 300 in the coupling direction (axial direction) when the actuator 200 is engaged with the lever 300. As such, by pushing the lever 300 by the actuator 200, the lever 300 is prevented from separating from the arm 400 or from the lever 300.

In the present embodiment, a structure in which the actuator is coupled to the lever is described. However, in the case of a structure in which the actuator is connected to the lever via the cam, a structure in which the rotation axis of the actuator is directly coupled, Slots are formed. As a result, the structure that is coupled to the rotational axis of the actuator may be a lever or a cam, or other power transmission means.

The slot 320 for the actuator pin is on the opposite side of the lever 300 facing the arm 400. That is, the arm 400 is connected to the outside of the air conditioner case 110 and the arm pin 410 protruded outward from the arm 400 is connected to the slot 310 for the arm pin of the lever 300. In addition, a slot 320 for the actuator pin is formed on the outer surface of the lever 300, and the actuator 200 is coupled to the outside of the lever 300.

In this case, the actuator pin 210 is fitted in the slot 320 for the actuator pin so as to press the lever 300 and the arm 400 toward the outer surface of the air conditioner case 110. Therefore, the lever 300 and the arm 400 can be stably engaged without being separated by the pressing force of the actuator pin 210. [

The actuator pin 210 is spaced apart from the rotation shaft 220 in the radial direction. The slot 320 for the actuator pin is concentrically formed on the outer side of the deforming portion 330. The slot 320 for the actuator pin may be in the form of a complete circle or an arc. The actuator pin 210 is inserted into the slot 320 for the actuator pin to prevent the lever 300 and the arm 400 from being separated from the actuator pin 210. In addition, It is possible to smoothly rotate while moving along the slot 320 for pins.

A stepped portion 211 protruding from the actuator pin 210 is formed on one surface of the actuator 200 having the actuator pin 210 formed thereon. The actuator pin 210 protrudes from the step portion 211 toward the slot 320 for the actuator pin. The circumferential surface 212 of the stepped portion 211 surrounding the circumference of the actuator pin 210 presses the lever 300 when the actuator 200 is coupled to the lever 300. This makes it possible to effectively pressurize the lever 300 while smoothly rotating the lever 300 in a state where the actuator pin 210 is fitted in the slot 320 for the actuator pin.

Although the vehicle air-conditioning apparatus according to the present invention has been described with reference to the embodiments shown in the drawings, it is to be understood that various modifications and equivalent embodiments are possible without departing from the scope of the present invention. Accordingly, the scope of the true technical protection should be determined by the technical idea of the appended claims.

100: Vehicle air conditioner
102: Evaporator 103: Heater core
110: air conditioning case 111: air inlet
115: Temperature control door 117: Vent door
118: Floor door 200: Actuator
210: actuator pin 300: lever
310: Slot for arm pin 320: Slot for actuator pin
330: cutting portion 400: arm
410: arm pin

Claims (4)

An air conditioning case 110 in which an air inlet 111 is formed at an inlet side and an air outlet is formed at an outlet side and an air passage is formed inside the air outlet case; And a door that adjusts an opening of an air passage or an air outlet of the air conditioner case (110), the air conditioner comprising:
An actuator 200 provided on the outside of the air conditioning case 110 to provide power for rotating the door and a lever 300 coupled to the rotation shaft 220 of the actuator 200 to transmit power to the door, ;
An actuator pin 210 is provided on one surface of an actuator 200 facing the lever 300 and a slot 320 for an actuator pin coupled with the actuator pin 210 is formed on the lever 300. [ Automotive air conditioning system. The method according to claim 1,
The actuator pin 210 is spaced apart from the rotation shaft 220 in the radial direction,
The lever 300 is formed with a cutting portion 330 coupled to the rotation axis 220 of the actuator 200 and the slot 320 for the actuator pin is concentrically formed on the outer side of the cutting portion 330 Wherein the air conditioner is a vehicle air conditioner. The method according to claim 1,
An arm 400 is formed on an outer surface of the air conditioning case 110 and formed with a door coupling part 420 to be coupled with a rotation shaft of the door, and an arm pin 410 protrudes outward from the arm 400 ;
A slot 310 for an arm pin coupled with the arm pin 410 is formed on the lever 300 and a slot 320 for an actuator pin is formed on the opposite side of the lever 300 facing the arm 400 The air conditioning system comprising: The method according to claim 1,
A stepped portion 211 protruding stepwise with an actuator pin 210 is formed on one surface of the actuator 200 having the actuator pin 210. The actuator pin 210 is inserted from the stepped portion 211 into the slot for the actuator pin 210, And the circumferential surface (212) of the step portion (211) protruding toward the protrusion (320) and surrounding the actuator pin (210) presses the lever (300).
KR1020140108792A 2014-08-21 2014-08-21 Air conditioner for vehicle KR102056778B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020140108792A KR102056778B1 (en) 2014-08-21 2014-08-21 Air conditioner for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140108792A KR102056778B1 (en) 2014-08-21 2014-08-21 Air conditioner for vehicle

Publications (2)

Publication Number Publication Date
KR20160023948A true KR20160023948A (en) 2016-03-04
KR102056778B1 KR102056778B1 (en) 2019-12-19

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KR1020140108792A KR102056778B1 (en) 2014-08-21 2014-08-21 Air conditioner for vehicle

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Publication number Priority date Publication date Assignee Title
US11788766B2 (en) 2020-11-05 2023-10-17 Valeo Climate Control Corp. Heating ventilation and air conditioning (HVAC) unit

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