A refrigerator based on a simple air duct device for earthquake resistance, condensation prevention and fire prevention
By using air duct foam to install centrifugal fans, fireproof boards and aluminum foil sponges in the refrigerator air duct device, the fan resonance and fire protection problems are solved, better cold air transport and temperature uniformity are achieved, and anti-condensation and fire resistance are enhanced.
Patent Information
- Application Number
- CN202010296324.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-04-15
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2040-04-15
AI Technical Summary
Existing refrigerator air duct devices are prone to resonance or abnormal noise between the fan and the front air duct panel, and lack effective fire protection and condensation protection measures, affecting air outlet efficiency and safety.
The centrifugal fan is installed with air duct foam, combined with fireproof board and aluminum foil sponge, improve the cold air conveying efficiency and temperature uniformity through the design of the air guide boss and air outlet, and prevent the aluminum foil sponge from collapse through the groove design of the fireproof board to form a stable wind pathway.
It improves the shock absorption effect and anti-condensation performance of the refrigerator, enhances the temperature uniformity and fire safety of the air duct, and saves storage room space.
Smart Images

Figure CN111365926B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of refrigerators, and in particular relates to a refrigerator based on a shock-resistant, anti-condensation and fire-proof simple air duct device. Background Art
[0002] In the existing refrigerator air duct devices, there are basically a front air duct panel, a rear air duct panel and a fan. Among them, the air duct device used in the freezer compartment of the refrigerator disclosed in Chinese Patent Application No. 201811520798.7 includes a front air duct panel, a rear air duct panel and a fan, the front air duct panel is arranged opposite to the rear air duct panel, the rear air duct panel is provided with a fan mounting port, and the fan is installed on the rear air duct panel through the fan mounting port. The fan of this invention is directly assembled on the front air duct panel, which easily causes the fan to resonate with the front air duct panel or make abnormal noises, and there is no insulation foam on the back of the front air duct panel, so condensation water is easy to appear on the surface when the refrigerator is just started. The air duct device used in the freezer compartment of the refrigerator disclosed in Chinese Patent Application No. 201711058391.2 includes an air duct front plate, an air duct rear plate, an air guide boss, an aluminum foil sponge and a fan. The invention directly covers the aluminum foil sponge at the rear, which can easily cause the sponge to collapse and block the air outlet duct, affecting the air outlet efficiency, indirectly increasing power consumption, and having a poor fire prevention effect, which can easily lead to the occurrence of fires. Summary of the invention
[0003] The object of the present invention is to provide a refrigerator based on a shock-resistant, anti-condensation and fire-proof simple air duct device, which improves the shock absorption effect and increases the anti-condensation effect when the refrigerator is just working by arranging air duct foam to install a centrifugal fan; and by arranging air ducts and air outlets on the air duct foam to send cold air to each compartment to adjust the temperature uniformity of each compartment; and by arranging an air guide boss, it is convenient to transport cold air to multiple air outlets, and it is convenient to guide air in the air duct; by arranging a fireproof board installation groove to install the fireproof board, the aluminum foil sponge is prevented from collapsing, it is convenient to seal and form a stable air duct passage, and when the aluminum foil in the aluminum foil sponge fails, it can play the role of fire prevention of the second air duct foam; by arranging the air duct foam to install the aluminum foil sponge, it is convenient to fix the fireproof board and adjust the gap between the simple air duct device of the present invention and the evaporator, and at the same time it can play the role of fire prevention of the first air duct foam; and by arranging the air duct device through the installation groove, the storage room space is saved.
[0004] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:
[0005] The present invention is a refrigerator based on a simple air duct device for earthquake resistance, condensation prevention and fire prevention, comprising an air duct device and a refrigerator body, wherein the air duct device is installed in the storage room of the refrigerator; the air duct device comprises a front air duct mask, air duct foam, a rear air duct cover plate, a centrifugal fan, a fireproof board and an aluminum foil sponge; the air duct foam is installed on the front air duct mask, the centrifugal fan and the rear air duct cover plate are installed in sequence on the upper end of the rear end surface of the air duct foam; the fireproof board and the aluminum foil sponge are installed in sequence on the lower end of the rear end surface of the air duct foam;
[0006] The lower end of the front wind shield panel is provided with an air return port; a surface of the front wind shield panel is provided with a plurality of air outlets;
[0007] A centrifugal fan installation groove is provided above the rear end surface of the air duct foam; a plurality of centrifugal fan installation holes are provided on the periphery of the centrifugal fan installation groove; a plurality of air outlet holes are provided on the rear end surface of the air duct foam; the air outlet holes cooperate with the air outlet; the air outlet holes are connected with the centrifugal fan installation groove through the air duct; a plurality of air guide bosses are provided on the periphery of the centrifugal fan installation groove;
[0008] The centrifugal fan is fixed in the centrifugal fan installation slot; the rear air duct cover is installed at the upper end of the rear end surface of the air duct foam; an air inlet is arranged in the middle of the rear air duct cover; a sealing sponge is installed at the upper end of the rear air duct cover;
[0009] The inner bottom surface of the storage chamber is provided with a mounting groove; the air duct device is fixed in the mounting groove; a return air groove is provided at the lower end of the mounting groove, and the return air groove cooperates with the return air outlet; a plurality of air outlet grooves are provided between the air duct device and the refrigerator drawer; the air outlet grooves cooperate with the air outlet; a plurality of air outlet channels are provided in the fresh-keeping chamber of the refrigerator; the air outlet channels cooperate with the air outlet at the upper end of the air duct device;
[0010] The centrifugal fan sucks the cold air generated by the evaporator from the air inlet, and then sends the cold air from the air outlet into the refrigerator compartment through the air duct.
[0011] Furthermore, a plurality of buckles are arranged side by side on both sides of the front air duct mask; the buckles cooperate with the mounting grooves to fix the air duct device.
[0012] Furthermore, a plurality of return air outlet air guide ribs are arranged side by side on the return air outlet.
[0013] Furthermore, the sealing sponge is installed between the air outlet channel and the air outlet at the upper end of the air duct device.
[0014] The present invention has the following beneficial effects:
[0015] The present invention improves the shock absorption effect and the anti-condensation effect of the refrigerator when it just works by arranging air duct foam to install the centrifugal fan; and sends cold air to each compartment by arranging air ducts and air outlets on the air duct foam to adjust the temperature uniformity of each compartment; and facilitates the delivery of cold air to multiple air outlets and air duct wind guidance by arranging air guide bosses; the fireproof board is installed by arranging fireproof board installation grooves to prevent the aluminum foil sponge from collapsing, facilitate sealing to form a stable air duct passage, and prevent the aluminum foil in the aluminum foil sponge from failing, which can play the role of fire prevention of the second air duct foam; the aluminum foil sponge is installed by arranging air duct foam to fix the fireproof board and adjust the gap between the simple air duct device of the present invention and the evaporator, which can play the role of fire prevention of the first air duct foam; and the air duct device is installed by arranging installation grooves to save storage room space.
[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.
[0018] Figure 1 A schematic diagram of the structure of a refrigerator based on a simple air duct device for earthquake resistance, condensation prevention and fire prevention;
[0019] Figure 2 for Figure 1 A partial enlarged view of the middle A;
[0020] Figure 3 Schematic diagram of the refrigerator body structure;
[0021] Figure 4 is a structural schematic diagram of the air duct device;
[0022] Figure 5 is a structural schematic diagram of the air duct device;
[0023] Figure 6 is a structural schematic diagram of the air duct device;
[0024] Figure 7 Schematic diagram of the structure of the air duct foam. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0026] In the description of the present invention, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.
[0027] See also Figure 1-7 As shown, the present invention is a refrigerator based on a simple air duct device for earthquake resistance, condensation prevention and fire prevention, comprising an air duct device and a refrigerator body 9, wherein the air duct device is installed in the storage room of the refrigerator 9; the air duct device comprises a front air duct mask 1, an air duct foam 2, a rear air duct cover plate 3, a centrifugal fan 4, a fireproof board 5 and an aluminum foil sponge 6; the air duct foam 2 is installed on the front air duct mask 1, the centrifugal fan 4 and the rear air duct cover plate 3 are installed in sequence on the upper end of the rear end surface of the air duct foam 2; the fireproof board 5 and the aluminum foil sponge 6 are installed in sequence on the lower end of the rear end surface of the air duct foam 2;
[0028] A plurality of buckles are arranged side by side on both sides of the front air duct mask 1; the buckles cooperate with the mounting groove 901 to fix the air duct device; a return air port 101 is arranged at the lower end of the front air duct panel 1; a plurality of return air port air guide ribs 102 are arranged side by side on the return air port 101; two drainage grooves 103 are arranged above the return air port 101; a claw 111 is arranged on each outer side of the drainage groove 103; a clamping plate 104 is arranged on the peripheral side of the front air duct panel 1; a plurality of third screw columns 107 and a plurality of first screw columns 105 are arranged on the rear end surface of the front air duct panel 1 and a plurality of second screw columns 106; a plurality of fixing holes 108 are arranged side by side on one surface of the front wind shield panel 1; a rubber gasket 8 is installed on the fixing hole 108; a plurality of air outlets 109 are arranged on one surface of the front wind shield panel 1; by providing a plurality of air outlets 109, the cooling effect on the compartment can be improved, and the uniformity of the temperature of the compartment can be improved; a temperature sensing head installation groove 110 is also provided on the rear end surface of the front wind shield panel 1; a temperature sensing head is installed in the temperature sensing head installation groove 110; a sealing sponge 12 is installed above the temperature sensing head installation groove 110;
[0029] A centrifugal fan installation slot 201 is provided above the rear end surface of the air duct foam 2; a plurality of centrifugal fan installation holes 202 are provided around the centrifugal fan installation slot 201; the centrifugal fan installation holes 202 cooperate with the first screw column 105; a plurality of air guide bosses 207 are provided around the centrifugal fan installation slot 201; the air guide bosses 207 can not only facilitate the delivery of cold air to the plurality of air outlet holes 206, but also facilitate the air guide of the air duct;
[0030] A fireproof board installation groove 203 is provided below the rear end surface of the air duct foam 2; a fireproof board installation through hole 204 is provided in the fireproof board installation groove 203; two drainage ports 205 are arranged side by side at the lower end of the fireproof board installation groove 203; the drainage ports 205 cooperate with the drainage and drainage groove 103; a plurality of air outlet holes 206 are provided on the rear end surface of the air duct foam 2; the air outlet holes 206 cooperate with the air outlet 109; the air outlet holes 206 are connected with the centrifugal fan installation groove 201 through the air duct; a plurality of rear air duct cover plate installation holes 208 are arranged side by side above the rear end surface of the air duct foam 2;
[0031] By providing a fireproof board installation groove 203 on the air duct foam 2, it is not only easy to assemble the fireproof board 5, but also easy to seal to form a stable air outlet air duct passage, prevent the aluminum foil sponge 6 from collapsing, and at the same time play the role of fireproofing the air duct foam 2;
[0032] The centrifugal fan 4 is fixed in the centrifugal fan installation groove 201; a plurality of installation seats 401 are respectively provided on the peripheral sides of the centrifugal fan 4; the installation seats 401 cooperate with the centrifugal fan installation holes 202 and the first screw columns 105; a layer of motor vibration damping pad is also compounded on the centrifugal fan 4;
[0033] The rear duct cover plate 3 is installed on the upper end of the rear end surface of the duct foam 2; an air inlet 301 is provided in the middle of the rear duct cover plate 3; a plurality of cover plate fixing holes 302 are provided on the circumferential side of the upper surface of the rear duct cover plate 3; the cover plate fixing holes 302 cooperate with the rear duct cover plate mounting holes 208 and the third screw column 107; a sealing sponge 7 is installed on the upper end of the rear duct cover plate 3; the sealing sponge 7 is fixed on the air outlet 206 above the duct foam 2; the sealing sponge 7 is installed between the air outlet channel 904 and the air outlet 109 at the upper end of the duct device;
[0034] The fireproof board 5 is installed at the lower end of the rear end surface of the air duct foam 2; two fireproof board fixing holes 501 are arranged side by side on the fireproof board 5; the fireproof board fixing holes 501 cooperate with the fireproof board installation holes 204 and the second screw column 106;
[0035] The aluminum foil sponge 6 is installed above the fireproof board 5; a slot 601 is provided on the lower end surface of the aluminum foil sponge 6; the slot 601 cooperates with the claw 111 to fix the aluminum foil sponge 6; a folding plate is provided at the upper end of the fireproof board 5; the folding plate cooperates with the lower end of the rear air duct cover plate 3 to fix the fireproof board 5; one side of the aluminum foil sponge 6 is provided with aluminum foil to play a fireproof role, and the other side is sponge, and the back side is provided with self-adhesive glue to play a fixing role;
[0036] The inner bottom surface of the storage room is provided with a mounting groove 901; the air duct device is fixed in the mounting groove 901; the lower end of the mounting groove 901 is provided with a return air groove 902, and the return air groove 902 cooperates with the return air port 101; a plurality of air outlet grooves 903 are provided between the air duct device and the refrigerator drawer; the air outlet grooves 903 cooperate with the air outlet 109; a plurality of air outlet channels 904 are provided in the fresh-keeping room of the refrigerator 9; the air outlet channels 904 cooperate with the air outlet 109 at the upper end of the air duct device;
[0037] The centrifugal fan 4 sucks the cold air generated by the evaporator 10 from the air inlet 301 and then delivers the cold air from the air outlet 109 into the refrigerator compartment through the air duct.
[0038] A specific application of this embodiment is:
[0039] The return air port 101 is formed at the lower end of the front air duct mask 1, and the air inlet 301 is provided on the rear air duct cover plate 3. The cold air blown out from the air outlet channel of the compartment where the air duct device is located can be made to sink to fully cool the compartment, and the cold air blown out from the air outlet channel of another compartment can rise to another compartment for cooling, and the hot air returning to the air duct device from the return air port 101 can be easily raised to exchange heat with the evaporator. In this way, the cold air can be returned from the air inlet and return air port 101 at the bottom of the storage room, and blown out from the multiple air outlets 109 in the middle, so that the temperature inside the storage room is uniform; in addition, the cold air is blown out from the air outlet 109 at the upper end of the air duct device into another compartment, and the air is discharged through the multiple air outlet channels of the air duct device of the other compartment, so that the temperature inside the other compartment is uniform. This reduces the working time of the compressor and saves electricity.
[0040] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0041] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.
Claims
1. A refrigerator based on a simple air duct device for earthquake resistance, condensation prevention and fire prevention, comprising an air duct device and a refrigerator body (9), characterized in that: The air duct device is installed in the storage chamber of the refrigerator body (9); The air duct device comprises a front air duct mask (1), air duct foam (2), a rear air duct cover plate (3), a centrifugal fan (4), a fireproof plate (5) and an aluminum foil sponge (6); The air duct foam (2) is mounted on the front air duct mask (1); the centrifugal fan (4) and the rear air duct cover plate (3) are mounted in sequence on the upper end of the rear end surface of the air duct foam (2); the fireproof plate (5) and the aluminum foil sponge (6) are mounted in sequence on the lower end of the rear end surface of the air duct foam (2); The lower end of the front air duct mask (1) is provided with an air return port (101); a surface of the front air duct mask (1) is provided with a plurality of air outlets (109); A centrifugal fan installation groove (201) is provided above the rear end surface of the air duct foam (2); a plurality of centrifugal fan installation holes (202) are provided on the peripheral side of the centrifugal fan installation groove (201); a plurality of air outlet holes (206) are provided on the rear end surface of the air duct foam (2); the air outlet holes (206) cooperate with the air outlet (109); the air outlet holes (206) are connected to the centrifugal fan installation groove (201) through the air duct; a plurality of air guide bosses (207) are provided on the peripheral side of the centrifugal fan installation groove (201); The centrifugal fan (4) is fixed in the centrifugal fan installation groove (201); the rear air duct cover plate (3) is installed at the upper end of the rear end surface of the air duct foam (2); an air inlet (301) is provided in the middle of the rear air duct cover plate (3); a sealing sponge (7) is installed at the upper end of the rear air duct cover plate (3); The inner bottom surface of the storage chamber is provided with a mounting groove (901); the air duct device is fixed in the mounting groove (901); a return air groove (902) is provided at the lower end of the mounting groove (901), and the return air groove (902) cooperates with the return air port (101); a plurality of air outlet grooves (903) are provided between the air duct device and the refrigerator drawer; the air outlet grooves (903) cooperate with the air outlet (109); a plurality of air outlet channels (904) are provided in the fresh-keeping chamber of the refrigerator body (9); the air outlet channels (904) cooperate with the air outlet (109) at the upper end of the air duct device; The centrifugal fan (4) sucks the cold air generated by the evaporator (10) from the air inlet (301), and then delivers the cold air from the air outlet (109) into the refrigerator compartment through the air duct.
2. A refrigerator based on a shock-resistant, anti-condensation and fire-proof simple air duct device according to claim 1, characterized in that: A plurality of buckles are arranged side by side on both sides of the front air duct mask (1); the buckles cooperate with the mounting grooves (901) to fix the air duct device.
3. A refrigerator based on a shock-resistant, anti-condensation and fire-proof simple air duct device according to claim 1, characterized in that: A plurality of return air outlet air guide ribs (102) are arranged side by side on the return air outlet (101).
4. A refrigerator based on a shock-resistant, anti-condensation and fire-proof simple air duct device according to claim 1, characterized in that: The sealing sponge (7) is installed between the air outlet channel (904) and the air outlet (109) at the upper end of the air duct device.
