Emergency smoke exhaust system for commercial kitchen
By introducing system control boxes, frequency converters and electric valves into commercial kitchen smoke exhaust systems, the backup smoke exhaust function is realized, solving the safety and convenience of existing systems in the event of failure and ensuring emergency smoke emissions.
Patent Information
- Application Number
- CN202422229006.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-09-11
AI Technical Summary
The existing commercial kitchen smoke exhaust system lacks backup functions, which makes it impossible to meet electricity safety specifications and is inconvenient to operate in the event of a failure.
A commercial kitchen emergency smoke exhaust system is designed, including a system control box, system inverter, backup inverter and multiple electric valves. By adding backup smoke exhaust inverter and air valve opening lines, a backup smoke exhaust system can be started with one-click to ensure emergency smoke emissions.
It realizes emergency emission of smoke in commercial kitchens, improves the safety and operation convenience of commercial kitchens, and meets electricity safety standards.
Smart Images

Figure CN223137962U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of commercial kitchens, and particularly relates to an emergency smoke exhaust system for commercial kitchens. Background Technique
[0002] Basically, the existing commercial kitchen smoke exhaust systems do not have a backup function. When a failure occurs, the smoke exhaust fan is temporarily connected to the mains for operation, and the air valve is manually forced to open. This not only does not meet the electrical safety specifications but is also very inconvenient. Content of the Utility Model
[0003] The purpose of the utility model is to provide an emergency smoke exhaust system for commercial kitchens, aiming to improve the existing problems.
[0004] The utility model is realized as follows:
[0005] An emergency smoke exhaust system for commercial kitchens includes;
[0006] A system control box, a system frequency converter, a standby frequency converter, and multiple electric valves;
[0007] The system control box is respectively connected to the system frequency converter, the standby frequency converter, and multiple electric valves;
[0008] The system control box, the system frequency converter, and the electric valves form a first smoke exhaust system;
[0009] The system control box, the standby frequency converter, and the electric valves form an emergency smoke exhaust system.
[0010] Furthermore, the system frequency converter is respectively connected to an oil fume purifier and an oil fume exhaust fan.
[0011] Furthermore, the standby frequency converter is respectively connected to an oil fume purifier and an oil fume exhaust fan.
[0012] Furthermore, the electric valves are arranged on the oil fume exhaust hood, and the electric valves are used to open or close the exhaust air outlet of the hood according to the use state of the oil fume exhaust hood.
[0013] Furthermore, the system frequency converter includes a power module, a rectification module, an inversion module, a current detection module, a heat dissipation module, and a control module; the control module is respectively connected to the power module, the rectification module, the inversion module, the current detection module, and the heat dissipation module.
[0014] Furthermore, the standby frequency converter includes a power module, a rectification module, an inversion module, a current detection module, a heat dissipation module, and a control module; the control module is respectively connected to the power module, the rectification module, the inversion module, the current detection module, and the heat dissipation module.
[0015] Further, the exhaust fan includes a drive motor, a drive belt, a drive wheel, and a wind wheel; the drive motor is connected to the drive wheel through the drive belt, and the drive wheel is connected to the wind wheel.
[0016] Further, the oil fume purifier includes: a power supply and an electric field; when the electric field is energized, a high-voltage electric field or a low-voltage electric field is generated, which can ionize, decompose, and adsorb large-particle oil fume molecules to achieve a purification effect.
[0017] Further, the electric valve includes a stainless steel valve body and an electric actuator; the electric actuator is arranged on the side of the stainless steel valve body.
[0018] Further, the system control box includes a stainless steel box body, a touch screen, an integrated circuit main board, and a switching power supply; the integrated circuit main board is arranged inside the stainless steel box body, and the touch screen and buttons are arranged on the outer surface of the stainless steel box body.
[0019] Further, the buttons included in the system control box include a standby button, a start button, and a stop button;
[0020] The start button is used to start the first exhaust system; the standby button is used to start the second exhaust system; the stop button is used to start the first exhaust system or the second exhaust system.
[0021] Compared with the prior art, the beneficial effects of the present utility model are:
[0022] In the embodiment of the present utility model, the emergency exhaust system of the commercial kitchen includes; a system control box, a system frequency converter, a standby frequency converter, and a plurality of electric valves; the system control box is respectively connected to the system frequency converter, the standby frequency converter, and the plurality of electric valves; the system control box, the system frequency converter, and the electric valves form a first exhaust system; the system control box, the standby frequency converter, and the electric valves form an emergency exhaust system. By adding a standby exhaust frequency converter and a standby air valve opening circuit, the standby exhaust frequency converter can be started with one key, and at the same time, all exhaust air valves are opened; realizing the emergency discharge of the smoke in the commercial kitchen and improving the safety of the commercial kitchen. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] By reading the following detailed description with reference to the accompanying drawings, the above and other objects, features, and advantages of the exemplary embodiments of the present disclosure will become readily understood. In the drawings, several embodiments of the present disclosure are shown in an exemplary rather than restrictive manner, and the same or corresponding reference numerals represent the same or corresponding parts, wherein:
[0024] Figure 1 is a schematic structural diagram of an emergency exhaust system for a commercial kitchen of the present utility model;
[0025] Figure 2 It is a schematic diagram of a system frequency converter shown in the present utility model;
[0026] Figure 3 It is a schematic diagram of an oil fume exhaust fan shown in the present utility model;
[0027] Figure 4 It is a schematic diagram of an oil fume purifier shown in the present utility model;
[0028] Figure 5 It is a schematic diagram of an electric valve shown in the present utility model;
[0029] Figure 6 It is a schematic diagram of a system control box shown in the present utility model.
[0030] In the figure: 1. System control box; 2. System frequency converter; 21. Control module; 22. Power supply module; 23. Rectification module; 24. Inversion module; 25. Current detection module; 26. Heat dissipation module; 3. Spare frequency converter; 4. Electric valve; 5. Oil fume exhaust fan; 6. Oil fume purifier; 41. Stainless steel valve body; 42. Electric actuator; 51. Driving motor; 52. Transmission belt; 54. Wind wheel; 61. Power supply; 62. Electric field; 11. Stainless steel box body; 12. Touch screen; 15. Oil fume exhaust hood; 16. Button. Specific embodiments
[0031] Next, the technical solutions in the embodiments of the present disclosure will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present disclosure.
[0032] Refer to Figure 1 , which shows a structural schematic diagram of an emergency smoke exhaust system for a commercial kitchen of the present utility model, including a system control box 1, a system frequency converter 2, a spare frequency converter 3 and a plurality of electric valves 4;
[0033] The system control box 1 is respectively connected to the system frequency converter 2, the spare frequency converter 3 and the plurality of electric valves 4;
[0034] The system control box 1, the system frequency converter 2 and the electric valve 4 form a first smoke exhaust system; the system frequency converter 2 is respectively connected to the oil fume purifier 6 and the oil fume exhaust fan 5;
[0035] The system control box 1, the spare frequency converter 3 and the electric valve 4 form an emergency smoke exhaust system; the spare frequency converter 3 is respectively connected to the oil fume purifier 6 and the oil fume exhaust fan 5;
[0036] The first smoke exhaust system refers to the smoke exhaust system for normal use, while the emergency smoke exhaust system refers to the smoke exhaust system that is emergently activated when the first smoke exhaust system cannot be used. Specifically, the system control box 1 acts as a control center and is connected to two inverters, namely the system inverter 2 and the standby inverter 3. In addition, the system control box 1 is also connected to one or more electric valves 4. The electric valve 4 is connected to the oil fume exhaust fan 5 and the oil fume purifier 6 through the exhaust pipe. In the embodiment of the present invention, by adding a standby smoke exhaust inverter and a standby air valve opening circuit, the standby smoke exhaust inverter can be turned on with one key, and at the same time, all the exhaust air valves are opened, realizing the emergency discharge of the smoke in the commercial kitchen and improving the safety of the commercial kitchen.
[0037] In a preferred embodiment, the electric air valve 4 is installed on the oil fume exhaust hood 15. The system can have several oil fume exhaust hoods 15, and one or more electric air valves 4 can be installed on each oil fume exhaust hood 15. The exhaust port of the oil fume exhaust hood 15 is connected to the exhaust pipe through the electric air valve 4, and the electric air valve 4 opens or closes the exhaust port of the hood according to the use state of the oil fume exhaust hood 15.
[0038] Refer to Figure 2 , which shows a schematic diagram of a system inverter 2 of the present invention. The system inverter 2 includes a power supply module 22, a rectifier module 23, an inverter module 24, a current detection module 25, a heat dissipation module 26, and a control module 21. The control module 21 is respectively connected to the power supply module 22, the rectifier module 23, the inverter module 24, the current detection module 25, and the heat dissipation module 26.
[0039] On the other hand, the structure of the standby inverter 3 can be the same as that of the system inverter 2. The standby inverter 3 can also include a power supply module, a rectifier module, an inverter module, a current detection module, a heat dissipation module, and a control module. The control module is respectively connected to the power supply module, the rectifier module, the inverter module, the current detection module, and the heat dissipation module.
[0040] Refer to Figure 3 , which shows a schematic diagram of an oil fume exhaust fan 5 of the present invention. The oil fume exhaust fan 5 includes a driving motor 51, a transmission belt 52, a driving wheel (not shown in the figure), and a wind wheel 54. The driving motor 51 is connected to the driving wheel through the transmission belt 52, and the driving wheel is connected to the wind wheel 54. The oil fume exhaust fan 5 also includes a housing. Through the power provided by the oil fume exhaust fan 5, the oil fume generated by indoor cooking in the commercial kitchen is discharged to the outside through the pipeline.
[0041] Refer to Figure 4, showing a schematic diagram of an oil fume purifier 6 of the present utility model. The oil fume purifier 6 includes: a power supply 61 and an electric field 62; when the electric field 62 is energized, it generates a high-voltage electric field or a low-voltage electric field, which can ionize, decompose and adsorb large-particle oil fume molecules to achieve a purification effect.
[0042] Referring to Figure 5 , showing a schematic diagram of an electric valve 4 of the present utility model. The electric valve 4 includes a stainless steel valve body 41 and an electric actuator 42; the electric actuator 42 is arranged on the side of the stainless steel valve body 41, and according to the opening state of the oil fume exhaust hood, the oil fume exhaust opening is opened and closed.
[0043] Referring to Figure 6 , showing a schematic diagram of a system control box 1 of the present utility model. The system control box 1 includes a stainless steel box body 11, a touch screen 12, an integrated circuit main board (not shown in the figure), and a switching power supply (not shown in the figure); the integrated circuit main board is arranged inside the stainless steel box body 11, and the touch screen 12 and keys are arranged on the outer surface of the stainless steel box body 11.
[0044] Specifically, the keys 16 included in the system control box 1 include a standby key, a start key, and a stop key;
[0045] The start key is used to start the first smoke exhaust system; the standby key is used to start the second smoke exhaust system; the stop key is used to start the first smoke exhaust system or the second smoke exhaust system.
[0046] In the above description of this specification, unless otherwise clearly specified and limited, terms such as "fixed", "installed", "connected" or "coupled" should be understood in a broad sense. For example, in the case of the term "connected", it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, or it can be the internal communication of two components or the interaction relationship between two components. Therefore, unless otherwise clearly limited in this specification, those skilled in the art can understand the specific meaning of the above terms in the present utility model according to specific circumstances.
[0047] Based on the above description of this specification, those skilled in the art can also understand the following terms used, such as "upper", "lower", "front", "rear", "left", "right", "length", "width", "thickness", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "center", "longitudinal", "transverse", "clockwise" or "counterclockwise", etc. The terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings of this specification. It is only for the purpose of facilitating the description of the solution of the present invention and simplifying the description, rather than explicitly or implicitly indicating that the device or element involved must have the specific orientation, be constructed and operate in the specific orientation. Therefore, the above terms of orientation or positional relationship cannot be understood or interpreted as a limitation to the solution of the present invention.
[0048] In addition, the terms "first" or "second", etc. used in this specification to refer to numbers or ordinals are only for descriptive purposes and cannot be understood as explicitly or implicitly indicating relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this specification, the meaning of "a plurality" is at least two, such as two, three or more, etc., unless otherwise specifically defined.
[0049] Although this specification has shown and described multiple embodiments of the present invention, it is obvious to those skilled in the art that such embodiments are provided only by way of example. Those skilled in the art will think of many changes, alterations and alternative ways without departing from the spirit and idea of the present invention. It should be understood that various alternative solutions to the embodiments of the present invention described herein can be adopted in the process of practicing the present invention. The appended claims are intended to define the protection scope of the present invention and thus cover the module compositions, equivalents or alternative solutions within the scope of these claims.
Claims
1. An emergency smoke exhaust system for a commercial kitchen, characterized in that, including; a system control box, a system frequency converter, a standby frequency converter and a plurality of electric valves; the system control box is respectively connected to the system frequency converter, the standby frequency converter and the plurality of electric valves; the system control box, the system frequency converter and the electric valves form a first smoke exhaust system; the system control box, the standby frequency converter and the electric valves form an emergency smoke exhaust system.
2. The emergency smoke exhaust system for a commercial kitchen according to claim 1, characterized in that, the system frequency converter is respectively connected to an oil fume purifier and an oil fume exhaust fan; 3. The emergency smoke exhaust system for a commercial kitchen according to claim 1, characterized in that, the standby frequency converter is respectively connected to the oil fume purifier and the oil fume exhaust fan; 4. An emergency smoke exhaust system for a commercial kitchen according to claim 1, characterized in that, the electric valves are arranged on the oil fume exhaust hood, and the electric valves are used to open or close the exhaust air outlet of the hood according to the usage state of the oil fume exhaust hood.
5. An emergency smoke exhaust system for a commercial kitchen according to claim 1, characterized in that, the system frequency converter includes a power module, a rectification module, an inversion module, a current detection module, a heat dissipation module, and a control module; the control module is respectively connected to the power module, the rectification module, the inversion module, the current detection module, and the heat dissipation module.
6. The emergency smoke exhaust system for a commercial kitchen according to claim 1, wherein the standby frequency converter includes a power module, a rectification module, an inversion module, a current detection module, a heat dissipation module, and a control module; the control module is respectively connected to the power module, the rectification module, the inversion module, the current detection module, and the heat dissipation module.
7. The emergency smoke exhaust system for a commercial kitchen according to claim 2, wherein the oil fume exhaust fan includes a driving motor, a transmission belt, a driving wheel, and a wind wheel; the driving motor is connected to the driving wheel through the transmission belt, and the driving wheel is connected to the wind wheel.
8. The emergency smoke exhaust system for a commercial kitchen according to claim 2, wherein, the oil fume purifier includes: a power supply, an electric field; when the electric field is powered on, a high-voltage electric field or a low-voltage electric field is generated, and large-particle oil fume molecules are ionized, decomposed and adsorbed to achieve a purification effect.
9. An emergency smoke exhaust system for a commercial kitchen according to any one of claims 1 to 8, characterized in that, the electric valve includes a stainless steel valve body and an electric actuator; the electric actuator is arranged on the side of the stainless steel valve body.
10. An emergency smoke exhaust system for a commercial kitchen according to any one of claims 1 to 8, characterized in that, the buttons included in the system control box include a standby button, a start button and a stop button; the start button is used to start the first smoke exhaust system; the standby button is used to start the second smoke exhaust system; the stop button is used to start the first smoke exhaust system or the second smoke exhaust system.