CN220624302U - Kitchen cold air supplementing system - Google Patents

Abstract

The utility model provides a kitchen cold air supplementing system, which belongs to the technical field of kitchen ventilation, and is positioned between a suspended ceiling and a roof, and comprises: the air inlet pipeline is communicated to a partition room of the kitchen and used for guiding cold air in the partition room; the air outlet pipeline is provided with an air outlet pipe orifice penetrating through the suspended ceiling, and the air outlet pipe orifice is arranged right opposite to the kitchen; the ventilator, the air inlet of which is communicated with the air inlet pipeline, the air outlet of which is communicated with the air outlet pipeline, is configured to suck cold air in the partition room and convey the cold air into the kitchen through the air outlet pipeline. The cold air supplementing system for the kitchen can guide cold air in a partition room of the kitchen into the kitchen, so that the installation of a kitchen air conditioner is avoided, and the cost is greatly saved; in addition, the cold air in the partition wall room does not carry oil smoke, and the oil smoke deposition in the cold air supplementing system can be avoided, so that the service life can be prolonged.

Description

Kitchen cold air supplementing system

Technical Field

The utility model relates to the technical field of kitchen ventilation, in particular to a kitchen cold air supplementing system.

Background

The Chinese style cooking mode is generally focused on high temperature and high heat, and big fire is adopted for stir-frying, so that the generated heat and oil smoke are very large, people often need to cook under the environment of high temperature and high heat and smoky fire, and the experience is poor due to dripping of hot sweat.

The current electrical appliances for kitchen blowing are kitchen cooling air heater or kitchen air conditioner. The air inlet of the kitchen super is arranged in the kitchen, the hot air containing the oil smoke in the kitchen is sucked, and then the hot air is directly blown to a human body, so that the human body does not feel cool and is difficult to clean due to the fact that the hot air is blown. Although the kitchen air conditioner blows cold air, the kitchen air conditioner is high in price, complex in installation and difficult in oil smoke cleaning.

Therefore, the kitchen cooling mode in the prior art has the technical problems of higher price, difficult oil fume cleaning and poor use experience.

Disclosure of Invention

According to the kitchen cold air supplementing system, the technical problems that a kitchen cooling mode in the prior art is high in price, difficult to clean with oil smoke and poor in use experience are solved.

To solve the above technical problem, embodiments of the present application provide a kitchen cold air supplementing system, which is located in a space between a suspended ceiling and a roof, and the system includes:

an air inlet pipeline communicated with a partition room of a kitchen, wherein the air inlet pipeline is used for guiding cold air in the partition room;

the air outlet pipeline is provided with an air outlet pipe orifice penetrating through the suspended ceiling, and the air outlet pipe orifice is positioned in the kitchen;

and the air inlet of the ventilator is communicated with the air inlet pipeline, the air outlet of the ventilator is communicated with the air outlet pipeline, and the ventilator is configured to suck cold air in the partition wall room and convey the cold air into the kitchen through the air outlet pipeline.

Further, the ventilator is provided therein with a one-way check valve configured to allow cold air in the partitioned room to flow into the kitchen in one way.

Further, the air inlet pipeline comprises an air inlet pipe orifice, the air inlet pipe orifice is fixedly assembled on a wall body of the partition wall room so as to be communicated with the partition wall room, air is led in, an air inlet panel is paved on the air inlet pipe orifice, and an air inlet hole for air to enter is formed in the air inlet panel.

Further, the air inlet panel is further provided with a filter screen assembly, and the filter screen assembly is detachably connected with the air inlet panel so as to filter air entering through the air inlet hole.

Further, the filter screen assembly comprises a frame and a filter screen paved on the frame, the air inlet panel is provided with a chute extending along the edge of the air inlet hole, the lateral opening of the chute forms a notch facing the air inlet hole, and the filter screen assembly is configured to move along the chute and can completely cover the air inlet hole.

Further, a positioning structure is further arranged between the filter screen assembly and the chute and used for positioning the filter screen assembly in the chute when the filter screen assembly completely covers the air inlet;

the positioning structure comprises a first bulge arranged on the side wall of the chute and a second bulge arranged on the frame; the second protrusion is configured to slide over the first protrusion and, when slid into and over the chute, abuts the first protrusion to completely cover the air inlet and to be positioned within the chute.

Further, both sides of the second protrusion in the sliding direction are provided with a first guide surface and a second guide surface, respectively, for guiding the second protrusion to slide over the first protrusion.

Further, the air outlet pipe orifice is connected with an air outlet panel in a clamping mode, and an air deflector is constructed on the air outlet panel.

Further, the air-out panel is towards the protruding hem that is formed with in air-out mouth of pipe's side both ends, the furred ceiling is used for wearing to establish the mouth of pipe side of air-out mouth of pipe encloses and has constructed the triangle fossil fragments, the hem of air-out panel with triangle fossil fragments joint, so that the air-out panel is fixed on the furred ceiling.

Further, an annular supporting rib plate is formed on one side of the air outlet panel, which faces the air outlet pipe orifice, in a protruding mode; the support rib plate is provided with a plurality of reinforcing ribs at intervals, and the air outlet pipe is clamped with the support rib plate in a matched mode through a plurality of reinforcing ribs.

One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:

(1) The utility model provides a kitchen cold wind air supply system utilizes the air inlet pipeline to carry the cold air in the next door room to the kitchen in, and to closed or semi-closed kitchen, the air in the next door room is clean and the temperature is comfortable, especially opens in the next door room has the air conditioner, consequently the cold air that the air conditioner blows out in the next door room can regard as kitchen air supply with refrigerating. Under the action of the ventilator, the air in the partition wall room can be discharged into the kitchen through the air outlet pipeline, and the kitchen is filled with air flow by external air flow, so that the air cleaning in the kitchen is guaranteed, and the problem of the air quality in the kitchen can be improved or solved;

in addition, as the source of the air supply is cold air at the air outlet of the living room air conditioner, the temperature of the cold air is lower, the temperature in a kitchen can be effectively reduced, the cooking experience of a user is better, and the reasonable control of the air temperature of the kitchen is realized; in addition, the cold air in the partition wall room is clean air without lampblack, so that lampblack deposition in the machine can not be caused; in addition, cooling equipment does not need to be independently arranged in a kitchen, so that the use cost is reduced.

(2) The utility model provides a kitchen cold wind air supply system sets up the one-way check valve on the ventilation blower, can prevent effectively that kitchen oil smoke from getting into the next door room along with the pipeline, guarantees the clean environment of air in next door room.

(3) The utility model provides a kitchen cold wind air make-up system, the wind mouth of pipe is fixed assembly to on the wall body of kitchen, the last detachable filter screen subassembly that is equipped with of wind inlet mouth of pipe can be dismantled periodic cleaning to avoid the next door room dust to pile up to the pipeline in, avoid influencing the life of ventilation blower.

(4) The utility model provides a kitchen cold wind air supply system, the card is connected with the air-out panel on the air-out mouth of pipe, be constructed with the aviation baffle on the air-out panel, set up the aviation baffle and can drain the cold air of carrying to corresponding position, guarantee kitchen personnel's the blowing of receipt cold air as far as, promote the comfort.

(5) The utility model provides a kitchen cold wind air supply system all is located the space between furred ceiling and the roof, can effectively reduce the noise in the kitchen, in addition, cold wind air supply system only goes out the wind mouth of pipe and the air inlet mouth of pipe exposes, and other relevant parts are located storage space, and the outward appearance is cleaner clean and tidy simple, has reduced the occupation to kitchen usage space.

(6) The utility model provides a kitchen cold wind air supply system utilizes hem and triangle fossil fragments joint to be connected to utilize to support the floor and go out tuber pipe mouth joint and connect, dual joint effect guarantees the fixed knot structure intensity of play tuber pipe mouth and air-out panel, avoids the air-out panel accident to break away from the furred ceiling.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a kitchen cold air supply system according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a ventilator according to an embodiment of the present utility model;

FIG. 3 is a side cross-sectional view of a ventilator in an embodiment of the utility model;

FIG. 4 is a schematic view of the structure of the one-way check valve in the ventilator according to the embodiment of the present utility model;

FIG. 5 is a schematic diagram of an assembly of a filter screen assembly and an air inlet nozzle according to an embodiment of the present utility model;

FIG. 6 is a schematic view of an air intake panel according to an embodiment of the present utility model;

fig. 7 is a schematic structural view of a filter assembly according to an embodiment of the present utility model;

FIG. 8 is a schematic diagram illustrating an assembly of an air outlet nozzle and an air outlet panel according to an embodiment of the present utility model;

fig. 9 is a schematic structural diagram of an air outlet panel according to an embodiment of the present utility model.

Reference numerals illustrate:

1. an air inlet pipeline; 11. an air inlet pipe orifice; 12. a wall body; 13. suspended ceiling; 14. an air inlet panel; 141. an air inlet hole;

2. an air outlet pipeline; 21. an air outlet panel; 22. triangular keels; 23. folding edges; 24. supporting rib plates; 25. reinforcing ribs; 26. a limit step; 27. an air deflector;

3. a ventilator; 31. an air inlet; 32. an air outlet; 33. a centrifugal fan; 34. a mounting bracket;

4. a living room; 5. a kitchen; 6. a one-way check valve;

7. a filter screen assembly; 71. a frame; 72. a filter screen; 73. a first guide surface; 75. a second guide surface; 74. a second protrusion; 76. a handle.

Detailed Description

According to the kitchen cold air supplementing system, the technical problems that a kitchen cooling mode in the prior art is high in price, difficult to clean with oil smoke and poor in use experience are solved.

The technical scheme in the embodiment of the application aims to solve the technical problems, and the overall thought is as follows:

the air inlet pipeline is used for conveying the cold air in the partition wall room into the kitchen, and for the closed or semi-closed kitchen, the air in the partition wall room is clean and comfortable in temperature, and especially the air conditioner is arranged in the partition wall room, so that the cold air blown by the air conditioner in the partition wall room can be used as an air source for supplementing air and refrigerating for the kitchen.

Through the arrangement of the ventilator, the air in the partition wall room can be discharged into the kitchen through the air outlet pipeline, and the kitchen is filled with air flow by external air flow, so that the air cleaning in the kitchen is guaranteed, and the air quality problem of the kitchen can be improved or solved; in addition, as the source of the air supply is cold air at the air outlet of the living room air conditioner, the temperature of the cold air is lower, the temperature in a kitchen can be effectively reduced, the cooking experience of a user is better, and the reasonable control of the air temperature of the kitchen is realized; in addition, the cold air in the partition wall room is clean air without lampblack, so that lampblack deposition in the machine can not be caused; in addition, cooling equipment does not need to be independently arranged in a kitchen, so that the use cost is reduced.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

As shown in fig. 1, in one or more embodiments of the present application, there is provided a kitchen cool air supply system provided in a space between a suspended ceiling 13 and a roof, the system comprising:

an air intake duct 1 connected to a partition room of the kitchen 5, the air intake duct 1 being for introducing cool air in the partition room;

an air outlet pipeline 2, wherein the air outlet pipeline 2 is provided with an air outlet pipe orifice penetrating through the suspended ceiling 13, and the air outlet pipe orifice is positioned in the kitchen 5;

a ventilator 3 having an air inlet 31 communicating with the air inlet duct 1 and an air outlet 32 communicating with the air outlet duct 2, the ventilator 3 being configured to suck cool air in the partitioned room and to deliver the cool air into the kitchen 5 through the air outlet duct.

As can be seen from the above description, the kitchen cold air supplementing system provided by the embodiments of the present application utilizes the air inlet pipeline 1 to convey cold air in the partition wall room into the kitchen 5, and for the closed or semi-closed kitchen 5, the air in the partition wall room is clean and comfortable in temperature, especially when the air conditioner is opened in the partition wall room.

Therefore, the cold air blown out by the air conditioner in the partition room can be used as an air source for air supplement and refrigeration of the kitchen 5, the air in the partition room can be discharged into the kitchen 5 through the air outlet pipeline 2 under the action of the ventilator 3, and the air flow outside the partition room enables the kitchen 5 to be full of air flow, so that the air cleaning in the kitchen 5 is guaranteed, and the air quality problem of the kitchen 5 can be improved or solved; in addition, as the source of the air supply is cold air of the air outlet 32 in the living room 4 provided with the air conditioner, the temperature in the kitchen 5 can be effectively reduced, the cooking experience of a user is better, and the effect of reasonably controlling the air temperature of the kitchen 5 is realized; in addition, the cold air in the partition wall room is clean air without lampblack, so that lampblack deposition in the machine can not be caused; in addition, no independent cooling equipment is required to be arranged in the kitchen, so that the use cost is reduced.

In real life, the partition room of the kitchen 5 is typically a living room 4 or a bedroom, and the living room 4 or the bedroom is typically provided with an air conditioner. In this embodiment, the living room 4 is used as a partition room, and the source of cool air in the living room 4 is cool air when an air conditioner is opened in the living room 4. The arrow direction in fig. 1 is the flow direction of the cool air.

In some embodiments, as shown in fig. 2-4, the ventilator 3 includes a housing and a centrifugal fan 33 disposed in the housing, a one-way check valve 6 is further disposed in the ventilator 3, and the one-way check valve 6 is configured to allow cold air in the partition room to flow into the kitchen 5 in one direction, which can effectively prevent the kitchen 5 fume from entering the partition room along with the pipeline, and ensure the clean air environment of the partition room.

Specifically, the centrifugal fan 33 and the one-way check valve 6 may be any products known in the art, and will not be described herein.

As shown in fig. 3, in some embodiments, the housing top end is configured with a mounting bracket 34 by which the ventilator 3 is fixedly mounted to the roof. For example, the mounting bracket 34 is provided with a plurality of bolt holes, the roof is correspondingly provided with a plurality of holes, and the ventilator 3 is fixed on the roof wall by bolt members penetrating through the bolt holes and the holes together.

As shown in fig. 5 to 7, the air intake duct 1 includes an air intake pipe 11, the air intake pipe 11 is fixedly assembled to a wall of the partition room to communicate with the partition room, so as to introduce air, an air intake panel 14 is further laid on the air intake pipe 11, and an air intake hole 141 for air to enter is formed in the air intake panel 14.

The air inlet panel 14 is further provided with a filter screen assembly 7 for filtering air entering through the air inlet hole, and the filter screen assembly 7 is detachably connected with the air inlet panel 14.

Specifically, the filter screen assembly 7 is arranged on the air inlet pipe orifice 11 to filter the passed air, so that dust entering the ventilator 3 can be reduced, the using faults are reduced, the service life of the ventilator 3 is prolonged, the quality of the inlet air can be improved, and the using comfort is improved; in addition, the filter screen assembly 7 is detachably connected with the air inlet panel 14, so that the filter screen assembly is convenient to detach, clean or replace, and the stable use effect is maintained in the long-term use process.

The screen assembly 7 comprises a frame 71 and a screen 72 laid on the frame 71. Specifically, the filter screen 72 may be a mature product that can filter air in a dust-proof manner, and related technologies thereof are widely disclosed and will not be described in detail herein. The frame 71 has a ventilation window, and the filter screen 72 is adhesively fixed (or may be fixed by other fixing means, such as clamping, etc.) to the filter screen 72 and completely covers the ventilation window, so as to filter air, however, the filter screen 72 may be fixed to the frame 71 by other means, such as clamping, etc., and is not limited herein.

In one embodiment of the present application, the filter screen assembly 7 is configured to be slidable and positionable within the air intake panel 14 to slide into or out of the air intake aperture 141 to effect a removable connection with the air intake panel 14. So set up, filter screen subassembly 7 slidable reaches the complete coverage the fresh air inlet 141 and location, when the bathroom heater panel has been installed on furred ceiling 13, can the roll-off filter screen subassembly 7 is in order to dismantle to make the location accurate, the installation, dismantle very convenient.

The air inlet panel 14 in the above embodiment is provided with a chute, and the chute is laterally open to form a slot facing the air inlet 141, and the filter screen assembly 7 is configured to be movable along the chute and to be positioned in the chute when the air inlet 141 is completely covered. The filter screen assembly 7 is inserted into the two sliding grooves and slides to cover the air inlet 141, so that the filtering effect can be realized; in addition, the filter screen assembly 7 is drawn out of the chute, so that the disassembly can be realized, and the later cleaning and replacement are very convenient.

A positioning device is further arranged between the filter screen assembly 7 and the chute, and the positioning structure is used for positioning the filter screen assembly 7 in the chute when the filter screen assembly 7 completely covers the air inlet 141.

In one embodiment of the present application, the positioning structure includes a first protrusion disposed on the side wall of the chute, and a second protrusion 74 disposed on the frame 71; the second protrusion 74 is configured to slide over the first protrusion, and when slid into and over the chute, the second protrusion 74 abuts the first protrusion to completely cover the air inlet 141 and is positioned within the chute.

Specifically, when the filter screen assembly 7 is inserted into the chute, the second protrusion 74 on the filter screen assembly 7 will collide with the first protrusion and slightly apply force, the second protrusion 74 will slide over the first protrusion and make a click to remind the assembly personnel that the filter screen assembly 7 is in place, at this time, the filter screen assembly is already in place, and the second protrusion 74 abuts against the first protrusion, so that the filter screen assembly 7 is positioned on the air inlet panel 14. Similarly, when the filter screen assembly 7 is disassembled, the filter screen assembly 7 is pulled out from the chute, the second protrusion 74 slides over the first protrusion and makes a click, and the filter screen assembly 7 can be smoothly disassembled.

As shown in fig. 7, in an embodiment of the present application, both sides of the second protrusion 74 in the sliding direction (referring to the direction in which the screen assembly 7 slides into or out of the chute) are provided with a first guide surface 73 and a second guide surface 75, respectively, the first guide surface 73 and the second guide surface 75 being for guiding the second protrusion 74 to slide over the first protrusion. Specifically, the first guide surface 73 and the second guide surface 75 are inclined surfaces connecting the surface of the frame 71 where the second protrusion 74 is located and the second protrusion 74, so as to guide the second protrusion 74 to smoothly slide over the first protrusion, thereby reducing difficulty in mounting and dismounting.

In one embodiment of the present application, the frame 71 is provided with a handle 76 for easy holding. Specifically, the filter screen assembly 7 is a thin product, the grasping is inconvenient, and the handle 76 is held to operate when the filter screen assembly 7 is installed or detached, so that the operation is more convenient and efficient.

As shown in fig. 9, in some embodiments, the air outlet pipe opening is clamped with an air outlet panel 21, and an air outlet and an air deflector 27 for guiding the air outlet direction are disposed on the air outlet panel 21. The inclination direction of the air deflector 27 (for example, air guiding louver) may be set according to the actual installation situation, for example, the air deflector 27 is inclined toward the direction of the range hood or inclined toward the direction of the range hood.

In the above embodiment, as shown in fig. 8, a folded edge 23 is formed on a side edge of the back surface of the air outlet panel 21, a triangular keel 22 is disposed on a side edge of the air outlet pipe, and the triangular keel 22 is clamped with the folded edge 23 and the panel of the suspended ceiling 13, so that the air outlet panel 21 is embedded on the suspended ceiling 13.

Here, the hem 23 is provided with a plurality of anti-falling protrusions along the length direction thereof, and when the hem 23 is clamped with the triangular keel 22, the anti-falling protrusions can prevent the hem 23 from sliding out of the triangular keel, thereby enhancing the clamping effect between the air outlet panel 21 and the triangular keel 22.

In some embodiments, the air outlet panel 21 protrudes towards one side of the air outlet pipe opening to form an annular supporting rib plate 24, and the supporting rib plate 24 passes through a port of the suspended ceiling 13 and is connected with the air outlet pipe opening in a clamping manner. Specifically, a plurality of reinforcing ribs 25 are arranged on the supporting rib plates 24 at intervals, and the air outlet pipe opening is clamped with the supporting rib plates 24 in a matched mode through the plurality of reinforcing ribs 25.

Here, because the support rib plate 24 is provided with the plurality of reinforcing ribs 25, when the support rib plate 24 is sleeved to the air outlet pipe orifice, the support rib plate 24 and the air outlet pipe orifice are in interference fit, so that the connection tightness between the support rib plate 24 and the air outlet pipe orifice can be ensured, and the leakage of cold air from the connection position is avoided.

As also shown in fig. 8, in some embodiments, a limiting step 26 is configured on a side edge of the air outlet panel 21 adjacent to the folded edge 23, and the limiting step 26 is used for avoiding a port that is clamped with the suspended ceiling 13. When the air-out panel 21 is erected to the port of the suspended ceiling 13, the limiting step 26 can be clamped with the port, so that the protruding height of the air-out panel 21 on the suspended ceiling 13 is reduced as much as possible, and the overall attractive effect is improved.

It will be understood that, although the terms "first," "second," etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments.

The terms of orientation such as external, intermediate, internal, etc. mentioned or possible to be mentioned in this specification are defined with respect to the configurations shown in the drawings, which are relative concepts, and thus may be changed accordingly depending on the different positions and different states of use in which they are located. These and other directional terms should not be construed as limiting terms.

While the utility model has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes, modifications and additions may be made without departing from the scope of the utility model. Equivalent embodiments of the present application are well known to those skilled in the art to which the present utility model pertains, when made with the aid of the teachings disclosed herein; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present application still fall within the scope of the technical solution of the present application.

Claims (10)

1. A kitchen cool air supply system, characterized by being arranged between a suspended ceiling (13) and a roof, the system comprising:

an air intake duct (1) connected to a partitioned room of a kitchen (5) for introducing cool air in the partitioned room;

an air outlet pipe (2) which is provided with an air outlet pipe orifice penetrating through the suspended ceiling (13) and is positioned in the kitchen (5);

the ventilator (3) has an air inlet (31) communicated with the air inlet pipeline (1), an air outlet (32) communicated with the air outlet pipeline (2), and the ventilator (3) is configured to suck cold air in the partition room and convey the cold air into the kitchen (5) through the air outlet pipeline.

2. Kitchen cold air make-up system according to claim 1, characterized in that the system further comprises a one-way non-return valve (6), the one-way non-return valve (6) being configured to allow cold air in the partitional room to flow in one way into the kitchen (5).

3. Kitchen cold air make-up system according to claim 1, characterized in that the air intake duct (1) comprises an air intake nozzle (11), the air intake nozzle (11) being fixedly fitted to the wall of the compartment to communicate with the compartment for introducing air;

an air inlet panel (14) is paved on the air inlet pipe orifice (11), and an air inlet hole (141) for air to enter is formed in the air inlet panel (14).

4. A kitchen cold air supplementing system according to claim 3, wherein a filter screen assembly (7) is further arranged on the air inlet pipe orifice (11), and the filter screen assembly (7) is detachably connected with the air inlet panel (14) so as to filter air entering through the air inlet hole (141).

5. Kitchen cold air make-up system according to claim 4, characterized in that the filter screen assembly (7) comprises a frame and a filter screen laid on the frame, the air inlet panel (14) is provided with a chute extending along the edge of the air inlet (141), and the chute lateral opening forms a slot facing the air inlet (141), the filter screen assembly (7) being configured to be movable along the chute and covering the air inlet (141).

6. Kitchen cold air make-up system according to claim 5, characterized in that a positioning structure is further provided between the filter screen assembly (7) and the chute for positioning the filter screen assembly (7) in the chute after the filter screen assembly (7) covers the air inlet opening (141);

the positioning structure comprises a first bulge arranged on the side wall of the chute and a second bulge (74) arranged on the frame (71); the second protrusion (74) is configured to slide over the first protrusion and when slid into and over the chute, the second protrusion (74) abuts the first protrusion to position the screen assembly (7) on the chute.

7. Kitchen cold air supply system according to claim 6, characterized in that the second protrusion (74) is provided with a first guide surface (73) and a second guide surface (75) on both sides in the sliding direction, respectively, for guiding the second protrusion (74) to slide over the first protrusion.

8. The kitchen cold air supplementing system according to claim 1, wherein the air outlet pipe orifice is connected with an air outlet panel (21) in a clamping manner, and an air deflector (27) is constructed on the air outlet panel (21).

9. Kitchen cold air supplementing system according to claim 8, wherein the air outlet panel (21) protrudes towards two ends of the side face of the air outlet pipe orifice to form a folded edge (23), the suspended ceiling (13) is used for penetrating the side edge of the port of the air outlet pipe orifice to form a triangular keel (22), and the folded edge (23) of the air outlet panel (21) is clamped with the triangular keel (22) so that the air outlet panel (21) is fixed on the suspended ceiling (13).

10. Kitchen cold air supplementing system according to claim 9, wherein the air outlet panel (21) is provided with an annular supporting rib plate (24) in a protruding manner towards one side of the air outlet pipe orifice; a plurality of reinforcing ribs (25) are arranged on the supporting rib plates (24) at intervals, and the air outlet pipe opening is clamped with the supporting rib plates (24) in a matched mode through the reinforcing ribs (25).