Ventilation device of central kitchen

Abstract

The utility model discloses a ventilation device for a central kitchen, and particularly relates to the technical field of ventilation devices for central kitchen, which comprises a shell, an exhaust system is fixedly connected to the top of the outer wall of the shell, a filter screen is fixedly connected to the middle of the upper portion of the inner wall of the shell, and fixing plates are fixedly connected to the bottoms of the left side and the right side of the filter screen. Multiple isolation columns are fixedly connected to the bottoms of the two fixing plates, a bottom plate is fixedly connected to the bottoms of the multiple isolation columns, a cleaning device is arranged at the top of the bottom plate, water pipe grooves are formed in the left side and the right side, close to the exhaust system, of the top of the outer wall of the shell, and fire fighting systems are arranged on the inner walls of the water pipe grooves; circulating ventilation openings are formed in the positions, close to the front, of the left and right tops of the outer wall of the shell. According to the kitchen ventilator, lampblack attached to the ventilation device is cleaned by arranging the cleaning device, the fire disaster phenomenon caused by the lampblack can be prevented by arranging the fire fighting device, and external fresh gas can be quickly diffused in a kitchen by arranging the circulating air system.

Description

Technical Field

[0001] This utility model relates to the technical field of ventilation devices for central kitchens, specifically a ventilation device for central kitchens. Background Technology

[0002] A central kitchen, also known as a central kitchen or centralized kitchen, refers to a facility that provides centralized food processing and cooking services for multiple food service points or retail outlets. This model is widely used in the catering industry, hospitals, schools, and other places, and is favored for its efficiency, economy, and ease of controlling food safety and quality. The background technology of ventilation devices in central kitchens involves several aspects, including ventilation requirements, system design, and related technical standards. With technological advancements and increased public awareness of health and safety, the future development of central kitchen ventilation systems will tend towards greater efficiency, energy conservation, and intelligence. This includes the use of more efficient filter materials, more advanced airflow design software, and more intelligent control systems. At the same time, continuous assessment of the system's energy efficiency and environmental impact to ensure that technological updates bring tangible environmental and economic benefits will also be a key focus of future development.

[0003] Existing ventilation systems in central kitchens have some shortcomings. For example, when cooking in a central kitchen, a large amount of oily fumes are generated. Some of these fumes may be expelled through the ventilation system, but the rest will adhere to the ventilation devices. Over time, this will affect the ventilation efficiency of the devices. Furthermore, when fresh air is circulated, external air is directly discharged into the kitchen, resulting in slow diffusion of fresh air inside the kitchen and poor ventilation. Utility Model Content

[0004] The purpose of this invention is to provide a ventilation device for a central kitchen to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a ventilation device for a central kitchen, comprising an outer shell, an exhaust system fixedly connected to the top of the outer wall of the outer shell, a filter screen fixedly connected to the upper middle part of the inner wall of the outer shell, fixed plates fixedly connected to the bottom of both sides of the filter screen, multiple isolation columns fixedly connected to the bottom of both fixed plates, a base plate fixedly connected to the bottom of the multiple isolation columns, a cleaning device provided on the top of the base plate, water pipe grooves provided on both sides of the top of the outer wall of the outer shell near the exhaust system, a fire protection system provided on the inner wall of the water pipe grooves, circulating ventilation openings provided on both sides of the top of the outer wall of the outer shell near the front, a circulating ventilation system provided on the inner wall of both circulating ventilation openings, air inlets provided on both sides of the top of the outer wall of the outer shell near the rear, air inlets provided on the inner wall of both air inlets, multiple side air inlets provided on both sides of the outer wall of the outer shell, and multiple bottom air inlets provided on both sides of the outer wall of the outer shell.

[0006] Preferably, the cleaning device includes a motor, the output end of which is fixedly connected to a connecting shaft. A drive gear is fixedly connected to the front side of the inner wall of the housing through which the connecting shaft passes. A driven gear meshes with the outer wall of the drive gear. A threaded rod is fixedly connected to the inner wall of the driven gear. A movable block is threadedly connected to the upper part of the outer wall of the threaded rod. A connecting rod is fixedly connected to the rear side of the inner wall of the movable block. Cleaning plates are slidably connected to the left and right sides of the outer wall of the connecting rod. The inner walls of the two cleaning plates are slidably connected to the outer walls of multiple isolation columns.

[0007] Preferably, the fire protection system includes a water pump, with horizontal water pipes fixedly connected to the output ends on both sides of the water pump. Vertical water pipes are fixedly connected to the ends of the two horizontal water pipes that are far apart from each other. Multiple connecting pipes are fixedly connected to the bottom of the two vertical water pipes. Multiple nozzles are fixedly connected to the top of the inner wall of the outer casing through the multiple connecting pipes.

[0008] Preferably, the circulating ventilation system includes a circulating ventilation pipe, the outer wall of which is fixedly connected to the inner wall of the circulating ventilation port, and a plurality of circulating ventilation holes are provided at the bottom of the inner wall of the circulating ventilation pipe.

[0009] Compared with the prior art, the beneficial effects of this utility model are:

[0010] 1. This utility model can clean the ventilation device by setting a cleaning device, which not only ensures the hygiene of the ventilation device, but also effectively improves the service life of the ventilation device.

[0011] 2. This utility model can effectively protect against fire caused by oil fumes by installing fire-fighting devices, and can effectively improve the diffusion of fresh air in the central kitchen by installing a circulating air system. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the appearance of the present utility model;

[0013] Figure 2 This is a schematic diagram of the structure of this utility model;

[0014] Figure 3 This is a schematic diagram of the ventilation hole of this utility model;

[0015] Figure 4 This is a schematic diagram of the cleaning device of this utility model;

[0016] Figure 5 This is a schematic diagram of the fire protection system structure of this utility model;

[0017] Figure 6 This is a schematic diagram of the circulating ventilation system of this utility model.

[0018] In the diagram: 1. Outer shell; 10. Air inlet duct; 11. Water pipe trough; 12. Circulating ventilation opening; 13. Air inlet; 14. Side air inlet; 15. Bottom air inlet; 2. Exhaust system; 3. Filter screen; 4. Fixing plate; 5. Isolation column; 6. Base plate; 7. Cleaning device; 71. Motor; 72. Connecting shaft; 73. Drive gear; 74. Driven gear; 75. Threaded rod; 76. Moving block; 77. Connecting rod; 78. Cleaning plate; 8. Fire protection system; 81. Water pump; 82. Horizontal water pipe; 83. Vertical water pipe; 84. Connecting pipe; 85. Sprinkler head; 9. Circulating ventilation system; 91. Circulating ventilation pipe; 911. Circulating ventilation hole. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figure 1 , 23. This utility model provides a technical solution: a ventilation device for a central kitchen, including an outer shell 1. An exhaust system 2 is fixedly connected to the top of the outer wall of the outer shell 1. A filter screen 3 is fixedly connected to the middle of the upper part of the inner wall of the outer shell 1. The filter screen 3 can perform secondary filtration of oil fumes. Fixing plates 4 are fixedly connected to the bottom of both sides of the filter screen 3. Isolation columns 5 can be fixed by the fixing plates 4. Multiple isolation columns 5 are fixedly connected to the bottom of both fixing plates 4. The isolation columns 5 can also filter oil fumes. A base plate 6 is fixedly connected to the bottom of the multiple isolation columns 5. A cleaning device 7 can be fixed by the base plate 6. A cleaning device 7 is set on the top of the base plate 6. The cleaning device 7 can clean the oil fumes attached to the ventilation device. Water pipe grooves 11 are opened on the left and right sides of the top of the outer wall of the outer shell 1 near the exhaust system 2. A fire protection system 8 can be fixed by the water pipe grooves 11. The fire protection system 8 is set on the inner wall of the water pipe grooves 11. The fire protection system 8 can prevent fires caused by oil fumes. In the case of a fire, the outer casing 1 has circulating ventilation openings 12 on the top of both sides near the front. The circulating ventilation openings 12 can be used to fix the circulating ventilation system 9. The inner walls of the two circulating ventilation openings 12 are equipped with the circulating ventilation system 9. The circulating ventilation system 9 can promote the rapid diffusion of fresh air inside the kitchen. The outer casing 1 has air inlets 13 on the top of both sides near the rear. The air inlets 13 can be used to fix the air inlet duct 10. The inner walls of the two air inlets 13 are equipped with air inlet duct 10. The air inlet duct 10 can be used to transfer fresh air from the outside to the kitchen through an external fan. The outer casing 1 has multiple side air inlets 14 on both sides. The side air inlets 14 allow fresh air to reach the kitchen and diffuse above the kitchen. The outer casing 1 has multiple bottom air inlets 15 on both sides. The bottom air inlets 15 allow fresh air to diffuse below the kitchen.

[0021] Please see Figure 4This utility model provides a technical solution: the cleaning device 7 includes a motor 71, which drives a connecting shaft 72 to rotate. The output end of the motor 71 is fixedly connected to the connecting shaft 72, which drives a drive gear 73 to rotate. The connecting shaft 72 passes through the inner wall of the outer casing 1 and is fixedly connected to the drive gear 73. The drive gear 73 drives a driven gear 74 to rotate. The outer wall of the drive gear 73 meshes with the driven gear 74, which drives a threaded rod 75 to rotate. The inner wall of the driven gear 74 is fixedly connected to the threaded rod 75, which drives a moving block 76 to move up and down around the threaded rod 75. The upper part of the outer wall of the threaded rod 75 is threadedly connected to the moving block 76. The 6 can drive the connecting rod 77 to move up and down. The connecting rod 77 is fixedly connected to the rear side of the inner wall of the moving block 76. By setting the connecting rod 77, the cleaning plate 78 can be driven to move up and down. The cleaning plates 78 are slidably connected to the left and right sides of the outer wall of the connecting rod 77. By setting the cleaning plates 78, the oil fumes attached to the surface of the isolation column 5 can be cleaned. The inner walls of the two cleaning plates 78 are slidably connected to the outer walls of multiple isolation columns 5. The motor 71 drives the connecting shaft 72 and the driving gear 73 to rotate. The driving gear 73 drives the driven gear 74 to rotate. The driven gear 74 drives the threaded rod 75 to rotate. The threaded rod 75 drives the moving block 76 to move up and down, thereby driving the connecting rod 77 to drive the cleaning plate 78 to move up and down, and rub against the surface of the isolation column 5 to achieve the cleaning effect.

[0022] Please see Figure 5 This utility model provides a technical solution: a fire protection system 8 includes a water pump 81. By setting the water pump 81, the water demand of the fire protection system 8 can be maintained at all times. Horizontal water pipes 82 are fixedly connected to the output ends on both sides of the water pump 81. Vertical water pipes 83 can be fixed by setting the horizontal water pipes 82. Vertical water pipes 83 are fixedly connected to the ends of the two horizontal water pipes 82 that are far apart from each other. Multiple connecting pipes 84 can be installed by setting the vertical water pipes 83. Multiple connecting pipes 84 are fixedly connected to the bottom of the two vertical water pipes 83. Sprinkler heads 85 can be fixed by setting multiple connecting pipes. Multiple connecting pipes 84 penetrate to the top of the inner wall of the outer casing 1 and are fixedly connected to multiple sprinkler heads 85. Water pump 81 can pump water into the horizontal water pipes 82. The horizontal water pipes 82 will transport the water into the vertical water pipes 83. The vertical water pipes 83 will transport the water into the multiple connecting pipes 84, so that the sprinkler heads 85 will spray water.

[0023] Please see Figure 6The present invention provides a technical solution: the circulating ventilation system 9 includes a circulating ventilation pipe 91. By setting the circulating ventilation pipe 91, fresh air from the outside can be transported into the kitchen. The outer wall of the circulating ventilation pipe 91 is fixedly connected to the inner wall of the circulating ventilation port 12. Multiple circulating ventilation holes 911 are opened at the bottom of the inner wall of the circulating ventilation pipe 91. By setting the circulating ventilation holes 911, fresh air will reach the kitchen through the circulating ventilation holes 911.

[0024] Working principle: First, the ventilation device needs to be installed in the central kitchen where it is to be installed. Then, driven by an external fan, the air in the kitchen is discharged out of the kitchen through the exhaust system 2. Then, the external fan can transport fresh air from the outside through the air intake duct 10 to the air intake 13. Then, part of it will diffuse into the upper part of the kitchen through the side air intake 14, and another part will diffuse into the lower part of the kitchen through the bottom air intake 15. Then, the external fan can bring fresh air from the outside into the circulating ventilation vent 12 through the circulating ventilation duct 91, and then diffuse it into the vicinity of the ventilation device through the circulating ventilation vent 911, ensuring air circulation in the vicinity of the ventilation device.

[0025] When a large amount of oil and grease adheres to the surface of the ventilation device, the motor 71 can be turned on to drive the connecting shaft 72 and the drive gear 73 to rotate, thereby driving the driven gear 74 and the threaded rod 75 to rotate. The threaded rod 75 will drive the moving block 76 to move up and down, and the moving block 76 will drive the connecting rod 77 and the cleaning plate 78 to move up and down. The inner wall of the cleaning plate 78 will rub against the outer surface of the isolation column 5, thereby achieving a cleaning effect. Finally, if a fire unfortunately occurs in the kitchen due to oil fumes, the water pump 81 can be started. Water will be transported through the horizontal water pipe 82 to the vertical water pipe 83. The vertical water pipe 83 will deliver water to multiple connecting pipes 84. Finally, the water will be sprayed out from the nozzle 85, thereby achieving the effect of extinguishing the fire.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A ventilation device for a central kitchen, comprising a housing (1), characterized in that: The outer wall of the outer shell (1) is fixedly connected to the top of the exhaust system (2), the inner wall of the outer shell (1) is fixedly connected to the middle of the upper part of the inner wall of the outer shell (1), the bottom of the left and right sides of the filter screen (3) is fixedly connected to the bottom of the filter screen (3), the bottom of the two fixed plates (4) is fixedly connected to multiple isolation columns (5), the bottom of the multiple isolation columns (5) is fixedly connected to the bottom plate (6), the top of the bottom plate (6) is provided with a cleaning device (7), the top of the outer wall of the outer shell (1) is provided with water pipe grooves (11) on the left and right sides near the exhaust system (2), the inner wall of the water pipe groove (11) is provided with a fire protection system (8), the left and right sides of the outer wall of the outer shell (1) are provided with multiple side air inlets (14), and the bottom of the left and right sides of the outer wall of the outer shell (1) are provided with multiple bottom air inlets (15).

2. The ventilation device for a central kitchen according to claim 1, characterized in that: The outer wall of the outer shell (1) has circulating ventilation openings (12) on the top of both sides near the front, and the inner walls of the two circulating ventilation openings (12) are equipped with circulating ventilation systems (9).

3. A ventilation device for a central kitchen according to claim 1, characterized in that: The outer wall of the outer shell (1) has air inlets (13) on the top of both sides near the rear, and air inlets (10) are provided on the inner walls of both air inlets (13).

4. A ventilation device for a central kitchen according to claim 1, characterized in that: The cleaning device (7) includes a motor (71), the output end of which is fixedly connected to a connecting shaft (72). The connecting shaft (72) passes through the front side of the inner wall of the outer shell (1) and is fixedly connected to a drive gear (73). The outer wall of the drive gear (73) is meshed with a driven gear (74). The inner wall of the driven gear (74) is fixedly connected to a threaded rod (75). The upper part of the outer wall of the threaded rod (75) is threadedly connected to a moving block (76). The rear side of the inner wall of the moving block (76) is fixedly connected to a connecting rod (77). The left and right sides of the outer wall of the connecting rod (77) are slidably connected to cleaning plates (78). The inner walls of the two cleaning plates (78) are slidably connected to the outer walls of multiple isolation columns (5).

5. A ventilation device for a central kitchen according to claim 1, characterized in that: The fire protection system (8) includes a water pump (81), and horizontal water pipes (82) are fixedly connected to the output ends on both sides of the water pump (81). Vertical water pipes (83) are fixedly connected to the ends of the two horizontal water pipes (82) that are far apart from each other. Multiple connecting pipes (84) are fixedly connected to the bottom of the two vertical water pipes (83). Multiple connecting pipes (84) penetrate to the top of the inner wall of the outer shell (1) and multiple nozzles (85) are fixedly connected to them.

6. A ventilation device for a central kitchen according to claim 2, characterized in that: The circulating ventilation system (9) includes a circulating ventilation pipe (91), the outer wall of the circulating ventilation pipe (91) is fixedly connected to the inner wall of the circulating ventilation port (12), and a plurality of circulating ventilation holes (911) are opened at the bottom of the inner wall of the circulating ventilation pipe (91).

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