CN-121977258-A - Air conditioner auxiliary air duct system, upper and lower air outlet air conditioner and air conditioner

CN121977258ACN 121977258 ACN121977258 ACN 121977258ACN-121977258-A

Abstract

The invention provides an air conditioner auxiliary air duct system, an upper and lower air outlet air conditioner and an air conditioner, and belongs to the technical field of air conditioners. The auxiliary air duct system of the air conditioner comprises an auxiliary air duct shell, an auxiliary air duct module, a driving assembly and a control driving assembly, wherein the auxiliary air duct module is arranged in an auxiliary air duct installation cavity of the auxiliary air duct shell in a lifting mode, at least part of air duct walls are formed by a plurality of hinged baffles, an air inlet is formed in the top of the front side of the auxiliary air duct module, the driving assembly is controlled to drive the auxiliary air duct module to ascend when a refrigeration mode is started, the air inlet extends out of the auxiliary air duct shell, the baffles are unfolded to form a continuous air outlet channel, the driving assembly is controlled to drive the auxiliary air duct module to descend when a heating mode and an air outlet mode are started, the air inlet is retracted into the auxiliary air duct shell, and the baffles are folded to divide the inner space of the auxiliary air duct installation cavity into a plurality of independent resonant cavities. Therefore, the appearance integrity of the air conditioner can be maintained, and meanwhile, the noise amplification of the cavity of the auxiliary air duct is avoided during heating and air-out modes.

Inventors

CHENG KAI
HUANG YUPENG
WANG XIANLIN
ZHANG LIN
TONG MENGMENG
WU YUCHANG

Assignees

珠海格力电器股份有限公司

Dates

Publication Date: 20260505
Application Date: 20251226

Claims (13)

1. An air conditioner sub duct system, comprising: the auxiliary air duct comprises an auxiliary air duct shell (1), wherein an auxiliary air duct mounting cavity (11) is arranged in the auxiliary air duct shell (1); the auxiliary air duct module (2) is arranged in the auxiliary air duct installation cavity (11) in a lifting manner, at least part of air duct walls of the auxiliary air duct module (2) are formed by a plurality of baffle plates (21) which are hinged in sequence, and an upper air port (22) is formed in the top of the front side of the auxiliary air duct module (2); The driving assembly is used for driving the auxiliary air duct module (2) to ascend and descend along the auxiliary air duct mounting cavity (11); when the air conditioner is in a refrigeration mode, the auxiliary air duct system of the air conditioner controls the driving assembly to drive the auxiliary air duct module (2) to ascend, so that the upper air port (22) extends out of the auxiliary air duct shell (1), and a plurality of baffles (21) are unfolded to form a continuous air outlet channel; When the air conditioner is in a heating mode and an air outlet mode, the driving assembly is controlled to drive the auxiliary air duct module (2) to descend, the upper air opening (22) is retracted into the auxiliary air duct shell (1), and the baffles (21) are folded to divide the inner space of the auxiliary air duct mounting cavity (11) into a plurality of independent resonant cavities.
2. The air conditioner sub air duct system according to claim 1, wherein, The auxiliary air duct module (2) comprises an auxiliary air duct upper section (23) and an auxiliary air duct folding section (24) formed by a plurality of baffles (21), the auxiliary air duct upper section (23) comprises a top side plate positioned at the top, a front side plate positioned at the front side and a rear side plate positioned at the rear side, and the upper air opening (22) is formed in the front side plate; The top of the auxiliary air duct folding section (24) is rotatably hinged to the bottom of the front side plate/the rear side plate through a first hinge (241); The bottom of the auxiliary air duct folding section (24) is rotatably hinged to the inner wall of the auxiliary air duct installation cavity (11) through a second hinge (242), or the auxiliary air duct module (2) further comprises a fixedly arranged auxiliary air duct lower section, and the bottom of the auxiliary air duct folding section (24) is rotatably hinged to the top of the auxiliary air duct lower section through the second hinge (242).
3. The air conditioner sub air duct system according to claim 2, wherein, The auxiliary air duct folding section (24) comprises two groups of folding air duct walls which are oppositely arranged; Each group of folding air duct walls comprises at least two baffles (21), and adjacent baffles (21) are rotatably hinged end to end through a third hinge (211) so that the folding sections (24) of the auxiliary air duct have an unfolding state and a folding state; When the auxiliary air duct folding section (24) is in a folding state, the baffles (21) positioned at corresponding positions on two groups of folding air duct walls are folded along the axes of the third hinge pieces (211) towards opposite directions until at least part of the third hinge pieces (211) are mutually abutted, so that a plurality of resonant cavities are formed by surrounding between adjacent baffles (21) and the inner wall surface of the auxiliary air duct mounting cavity (11) and between a plurality of baffles (21).
4. The air conditioner sub air duct system as set forth in claim 3, wherein, The third hinging piece (211) is a one-way limiting hinge, and the unfolding angle alpha of the one-way limiting hinge is in the range of 0 degrees to 180 degrees; the one-way limiting hinge with the unfolding direction facing the front side of the air conditioner and the one-way limiting hinge with the unfolding direction facing the rear side of the air conditioner are arranged at intervals from top to bottom on the folding air duct wall at one side; The unfolding directions of the unidirectional limiting hinges at the corresponding positions on the folding air duct walls at the two sides are opposite.
5. The air conditioner sub air duct system as set forth in claim 3, wherein, The auxiliary air duct system of the air conditioner further comprises a sliding assembly, wherein the sliding assembly comprises a sliding groove and a sliding block matched with the sliding groove, the sliding groove is arranged on the inner wall of the auxiliary air duct installation cavity (11) along the vertical direction, and the sliding block is arranged on at least part of the third hinge piece (211) so that the third hinge piece (211) slides along the sliding groove when being unfolded and folded; And/or the auxiliary air duct system of the air conditioner further comprises a magnetic component, wherein the magnetic component is arranged on the third hinging piece (211) which is at least partially positioned at the corresponding position on the folding air duct walls at the two sides, so that when the baffle (21) is in a folding state, the third hinging pieces (211) positioned at the corresponding positions on the folding air duct walls at the two sides are mutually attracted and fixed.
6. The air conditioner sub air duct system as set forth in claim 5, wherein, The third hinge part (211) which is slidably connected to the inner wall of the auxiliary air duct installation cavity (11) through the sliding component is arranged on one side of the folding air duct wall at intervals from top to bottom with the third hinge part (211) provided with the magnetic component; the third hinging pieces (211) positioned at the same positions on the two sides of the folding air duct wall are respectively provided with a sliding component, or the third hinging pieces (211) positioned at the same positions on the two sides of the folding air duct wall are respectively provided with a magnetic component, and the polarities of the magnetic components at the two sides are opposite.
7. An air conditioner sub air duct system according to any one of claims 1 to 6, The width of the auxiliary air duct installation cavity (11) is L, the height of the baffle (21) is H, and the L and the H satisfy the relation that H is ∈ - L。
8. An air conditioner sub air duct system according to any one of claims 1 to 6, The baffle (21) is a sound absorption material plate, or the surface of the baffle (21) is covered with a sound absorption material layer; The sound absorption material plate/the sound absorption material layer is made of an ultrasonic structure material or a porous composite material.
9. An up-down air outlet air conditioner, which is characterized by comprising a main air duct system and an air conditioner auxiliary air duct system according to any one of claims 1 to 8; The main air duct system comprises a main air duct shell (41), a main air duct (42) arranged in the main air duct shell (41), an impeller (43) arranged on the main air duct (42) and an indoor heat exchanger (44), wherein the main air duct (42) comprises a top air inlet and a bottom air outlet which are communicated with the impeller (43), and the indoor heat exchanger (44) is arranged between the impeller (43) and the top air inlet; the main air duct system is positioned at the rear side of the auxiliary air duct system of the air conditioner, and a rotatable air deflector (423) is arranged at the bottom air outlet; The upper and lower air outlet air conditioner is configured in a refrigerating mode, the air deflector (423) is closed, an auxiliary air duct installation cavity (11) of an auxiliary air duct system of the air conditioner is communicated with the bottom air outlet, an upper air opening (22) of the auxiliary air duct system of the air conditioner extends out of the auxiliary air duct shell (1), and a plurality of baffles (21) are unfolded to form a continuous air outlet channel; when in a heating mode and an air outlet mode, the air deflector (423) is opened and closes the inlet end of the auxiliary air duct installation cavity (11), the air inlet (22) is retracted to the inside of the air conditioner shell, and the plurality of baffles (21) are folded to divide the inner space of the auxiliary air duct installation cavity (11) into a plurality of independent resonant cavities.
10. The up-down air-out air conditioner according to claim 9, wherein, An auxiliary air duct shell (1) of the auxiliary air duct system of the air conditioner and the main air duct shell (41) are integrally formed into the shell of the upper and lower air outlet air conditioner.
11. An air conditioner, comprising: The air conditioner comprises an air conditioner shell, wherein the bottom of the air conditioner shell is provided with a bottom air opening, the top of the air conditioner shell is provided with a first top air opening and a second top air opening, a main air passage communicated with the bottom air opening, the first top air opening and the second top air opening and an auxiliary air passage communicated with the bottom air opening and the second top air opening are formed in the air conditioner shell, the auxiliary air passage is positioned on the front panel side of the air conditioner shell, the main air passage is positioned on the rear side of the auxiliary air passage, a communication port is formed between the main air passage and the auxiliary air passage, and the communication port is positioned above the bottom air opening; The indoor heat exchanger and the fan blade are arranged on the main air duct; the air deflector is rotatably arranged at the bottom air opening and is used for cooperatively controlling the opening and closing of the bottom air opening and the opening and closing of the communication opening; the air deflector is provided with a first working position and a second working position; when the air deflector rotates to the first working position, the air deflector closes the bottom air opening, and opens the communication opening to enable the main air duct to be communicated with the auxiliary air duct; when the air deflector rotates to the second working position, the air deflector closes the communication port, and opens the bottom air port to separate the main air duct from the auxiliary air duct; The air guide module can be arranged in the auxiliary air duct in a vertically movable mode, a side air port which is open towards the front side is arranged at the top of the air guide module, and the air guide module is configured to be controlled to extend out of the air conditioner shell or retract into the air conditioner shell from the second top air port according to the operation mode of the air conditioner.
12. The air conditioner according to claim 11, wherein, The air guide module comprises a front air duct wall extending up and down along the auxiliary air duct, a front baffle hinged on the front air duct wall, a rear air duct wall extending up and down along the auxiliary air duct, and a rear baffle hinged on the rear air duct wall, wherein the side air port is formed in the front air duct wall; when the air conditioner is in a heating mode, the air guide module is retracted into the air conditioner shell, the front baffle plate and the front air duct wall form a first included angle, and the rear baffle plate and the rear air duct wall form a second included angle; when the air conditioner is in a refrigeration mode, the air guide module extends out of the air conditioner shell, the front baffle plate and the front air duct wall form a smooth front air guide wall surface, and the rear baffle plate and the rear air duct wall form a smooth rear air guide wall surface.
13. The air conditioner according to claim 11, wherein, The air guide module comprises a front air duct wall and a rear air duct wall which extend up and down along the auxiliary air duct; At least part of the wall surface of the front air duct wall is provided with a first folding wall; at least part of the wall surface of the rear air duct wall is provided with a second folding wall; When the air conditioner is in a heating mode, the air guide module is retracted into the air conditioner shell, and the first folding wall of the front air duct wall and the second folding wall of the rear air duct wall are in a folding state; When the air conditioner is in a refrigerating mode, the air guide module extends out of the air conditioner shell, the first folding wall of the front air duct wall and the second folding wall of the rear air duct wall are both in an extending state, and the extending direction of the extending state is the extending direction of the auxiliary air duct.

Description

Air conditioner auxiliary air duct system, upper and lower air outlet air conditioner and air conditioner Technical Field The invention belongs to the technical field of air conditioners, and particularly relates to an air conditioner auxiliary air duct system, an upper and lower air outlet air conditioner and an air conditioner. Background At present, in order to solve the problem of cooling and heating comfort, the air conditioner industry develops an air conditioner structure in which cooling and heating air outlet modes are adopted, and cooling and heating air outlet modes are avoided to directly blow people. The air conditioner is characterized in that an auxiliary air duct is added on the basis of a main air duct, and refrigerating upper air outlet and heating lower air outlet are realized through switching baffles. The existing air conditioner is provided with a refrigerating air outlet right in front of an air conditioner shell, so that the integrity of the air conditioner shell is damaged, and the appearance effect is affected. In heating, the hot air is not guided, so that the air output is small, and the rotating speed of the fan is required to be increased to improve the heating air output, so that the noise is increased. And the auxiliary air duct forms a cavity with noise amplifying effect, so that noise is further increased. Based on the problems of incomplete appearance and noise caused by the heating space-time cavity of the air conditioner, no related solution exists, and therefore, an effective solution is urgently needed to solve the problems. Disclosure of Invention The invention aims to solve the problems that the appearance effect is affected and the noise is amplified in a heating space-time cavity due to the exposure of an upper air outlet air conditioner and a lower air outlet air conditioner. The invention provides an air conditioner auxiliary air duct system, comprising: the auxiliary air duct shell is internally provided with an auxiliary air duct mounting cavity; The auxiliary air duct module is arranged in the auxiliary air duct installation cavity in a lifting manner, at least part of air duct walls of the auxiliary air duct module are formed by a plurality of baffles which are hinged in sequence, and an air inlet is formed in the top of the front side of the auxiliary air duct module; The driving assembly is used for driving the auxiliary air duct module to ascend and descend along the auxiliary air duct mounting cavity; When the air conditioner is in a refrigeration mode, the driving assembly is controlled to drive the auxiliary air duct module to ascend, so that the upper air port extends out of the auxiliary air duct shell, and the plurality of baffles are unfolded to form a continuous air outlet channel; When the air conditioner is in a heating mode and an air outlet mode, the driving assembly is controlled to drive the auxiliary air duct module to descend, the upper air opening is retracted into the auxiliary air duct shell, and the plurality of baffles are folded to divide the inner space of the auxiliary air duct installation cavity into a plurality of independent resonant cavities. Further, the auxiliary air duct module comprises an auxiliary air duct upper section and an auxiliary air duct folding section formed by a plurality of baffles, wherein the auxiliary air duct upper section comprises a top side plate positioned at the top, a front side plate positioned at the front side and a rear side plate positioned at the rear side, and an upper air port is formed in the front side plate; the top of the auxiliary air duct folding section is rotatably hinged to the bottom of the front side plate/the rear side plate through a first hinge; The bottom of the auxiliary air duct folding section is rotatably hinged to the inner wall of the auxiliary air duct installation cavity through a second hinge part, or the auxiliary air duct module further comprises an auxiliary air duct lower section which is fixedly arranged, and the bottom of the auxiliary air duct folding section is rotatably hinged to the top of the auxiliary air duct lower section through the second hinge part. Further, the auxiliary air duct folding section comprises two groups of folding air duct walls which are oppositely arranged; Each group of folding air duct walls comprises at least two baffles, and adjacent baffles are hinged end to end through a third hinge, so that the folding section of the auxiliary air duct has an unfolding state and a folding state; When the folding sections of the auxiliary air duct are in a folding state, the baffles positioned at the corresponding positions on the two groups of folding air duct walls are folded along the axes of the third hinging pieces in opposite directions until at least part of the third hinging pieces are mutually abutted, so that a plurality of resonant cavities are formed by surrounding between the adjacent baffles and the inner wall surface of the auxiliar