Kitchen range hood control device

Abstract

The utility model discloses a kitchen range hood control device which comprises a range hood body, and the range hood body comprises a smoke hood, an oil smoke fan used for being matched with the smoke hood to generate negative pressure suction force, and a central controller in control connection with the oil smoke fan. An oil smoke monitoring mechanism for monitoring the concentration of smoke or steam is also arranged at an oil smoke input port of the smoke hood; and the oil smoke monitoring mechanism is in data communication connection with the central controller. The cooking fume monitoring mechanism is arranged at the cooking fume input port of the range hood, the central controller controls and adjusts the running power of the cooking fume fan according to the cooking fume concentration signal intensity obtained by the cooking fume monitoring mechanism, automatic control is achieved, control is more convenient, and cooking fume monitoring is more accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of range hood, in particular to the technical field of kitchen range hood control device. BACKGROUND

[0002] In the high temperature environment of cooking, the lipids in oil and food, together with carbohydrates, proteins and amino acids, etc. will undergo chemical reactions to form aldehydes, ketones, hydrocarbons, fatty acids, alcohols, aromatic substances, esters, lactones and a variety of chemical products such as heterocyclic compounds. Once these products are inhaled by the human body, they will strongly stimulate the nose, eyes and throat mucosa, and may cause rhinitis, pharyngitis and even bronchitis and other respiratory health problems. In view of this situation, the range hood becomes very important in the kitchen environment. However, the current range hood on the market relies on manual start, stop and adjustment of the range hood power, and the degree of intelligence and automation is not enough, especially when frying, it is not possible to adjust the range hood power immediately, which may cause the oil fume to be discharged not in time, affecting the effect of oil fume extraction, in addition, manual operation also adds many tediousness to the user's life. SUMMARY

[0003] The purpose of the utility model is to solve the problems in the prior art, and a kitchen range hood control device is proposed, which can automatically adjust the range hood power according to the oil smoke concentration, and has high degree of automation.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a kitchen range hood control device, which comprises a range hood body, the range hood body comprises a smoke hood, a range hood fan for cooperating with the smoke hood to generate negative pressure suction force, and a central controller connected with the range hood fan, an oil smoke monitoring mechanism for monitoring smoke or steam concentration is further arranged at the oil smoke input port of the smoke hood, and the oil smoke monitoring mechanism is in data communication connection with the central controller.

[0005] The oil smoke monitoring mechanism comprises at least one infrared light source and at least one infrared power meter matched with the infrared light source, the infrared light source and the infrared power meter are arranged on both sides of the oil smoke input port of the smoke hood, and the infrared power meter is in data communication connection with the central controller.

[0006] As a preferred, the smoke hood is provided with a mounting cavity matched with the infrared light source and the infrared power meter on both sides, respectively, the infrared light source and the infrared power meter are arranged in the mounting cavities on both sides, respectively, and the opposite sides of the mounting cavities on both sides are respectively provided with an opening, and a light transmission plate is arranged on the opening.

[0007] As a preferred, the mounting cavities on both sides are respectively provided with a cover pipe extending to the opposite direction, and the cover pipe is hollow.

[0008] As preferred, the positive pressure device comprises a gas pump, and an air outlet pipe is arranged at the output end of the gas pump, and the output end of the air outlet pipe extends to the inside of the cover pipe near one end of the light-transmitting plate.

[0009] As preferred, the input end of the gas pump is arranged at the position away from the oil fume input port on the smoke cover.

[0010] As preferred, the cover pipe is detachably connected with the opening of the mounting cavity.

[0011] The kitchen oil fume machine control device has the advantages that the oil fume monitoring mechanism is arranged at the oil fume input port of the oil fume machine, the central controller controls and adjusts the operation power of the oil fume machine according to the oil fume concentration signal strength of the oil fume monitoring mechanism, automatic control is realized, control is more convenient, and oil fume monitoring is more accurate.

[0012] The features and advantages of the present application will be described in detail with reference to the embodiments and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is an embodiment one of the kitchen oil fume machine control device of the present application and is a front view structural schematic diagram.

[0014] Figure 2 is Figure 1 is an enlarged structural schematic diagram of part A in the middle.

[0015] Figure 3 is an embodiment two of the kitchen oil fume machine control device of the present application and is a front view structural schematic diagram.

[0016] Figure 4 is Figure 3 is an enlarged structural schematic diagram of part B in the middle.

[0017] Wherein:

[0018] 1-oil fume machine body; 2-infrared light source; 3-infrared power meter; 4-gas pump; 11-smoke cover; 12-oil fume machine; 41-air outlet pipe; 111-mounting cavity; 112-light-transmitting plate; 113-cover pipe. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail with reference to the drawings and embodiments. However, it should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the scope of the present application. In addition, in the following description, the description of the known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present application.

[0020] In the description of the utility model, it needs to explain, when element is called " fixed in " or " set in " another element, it can be directly on another element or indirectly on the other element. When an element is called " connected to " another element, it can be directly connected to another element or indirectly connected to the other element.

[0021] In the description of the utility model, it needs to explain, the orientation or positional relation indicated by the terms " center ", " length ", " width ", " thickness ", " upper ", " lower ", " front ", " rear ", " left ", " right ", " vertical ", " horizontal ", " top ", " bottom ", " inner ", " outer " is based on the orientation or positional relation shown in the drawing, or the orientation or positional relation of the utility model product when using commonly, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, so it cannot be understood as a limitation on the utility model. In addition, the terms " first ", " second ", " third " and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance. Therefore, the features limited by " first " and " second " can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of " multiple " is two or more than two, unless otherwise specifically limited. The meaning of " several " is one or more than one, unless otherwise specifically limited.

[0022] In the description of the utility model, it also needs to explain that, unless otherwise specifically specified and limited, the terms " set up ", " install ", " connect ", " connect " should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances. Embodiment one

[0023] Referring to Figure 1 、 Figure 2 The utility model relates to a kind of kitchen range hood control devices, including oil fume machine body 1, the oil fume machine body 1 includes smoke cover 11, oil fume fan 12 for cooperating with the smoke cover 11 to generate negative pressure suction force, and the central controller of control connection with the oil fume fan 12, oil fume input port of the smoke cover 11 is also equipped with oil fume monitoring mechanism for monitoring smoke or vapor concentration, the oil fume monitoring mechanism is connected with the central controller data communication, the central controller controls adjustment oil fume fan 12 operating power according to the smoke or vapor concentration signal monitored by the oil fume monitoring mechanism;

[0024] The oil fume monitoring mechanism comprises an infrared light source 2 and an infrared power meter 3 matched with the infrared light source 2, the infrared light source 2 and the infrared power meter 3 are oppositely arranged at both sides of the oil fume input position of the smoke hood 11, and the infrared power meter 3 is in data communication connection with the central controller. The central controller controls and adjusts the operating power of the oil fume fan 12 according to the infrared signal strength monitored by the infrared power meter 3. The greater the smoke or steam, the greater the influence on the infrared rays, and the weaker the infrared signal strength received by the infrared power meter 3. The central controller can judge the oil fume concentration according to the infrared signal strength, so as to adjust the operating power of the oil fume fan 12, realize automatic control, control more conveniently, and monitor the oil fume more accurately.

[0025] Referring to Figure 1 , Figure 2 , both sides of the smoke hood 11 are respectively provided with mounting cavities 111 matched with the infrared light source 2 and the infrared power meter 3, the infrared light source 2 and the infrared power meter 3 are respectively arranged in the mounting cavities 111 on both sides, and the opposite sides of the mounting cavities 111 on both sides are respectively provided with openings, and the openings are provided with light transmission plates 112. The infrared light source 2 and the infrared power meter 3 are arranged in the sealed mounting cavities 111, so as to avoid that the oil fume is attached to the surfaces of the infrared light source 2 and the infrared power meter 3 and thus affects the operation, and the light transmission plates 112 are arranged to facilitate cleaning. Embodiment two

[0026] Referring to Figure 3 , Figure 4 , on the basis of embodiment one, the openings of the mounting cavities 111 on both sides are respectively provided with cover pipes 113 extending in opposite directions, the cover pipes 113 are hollow inside, and the positive pressure device is further arranged, the positive pressure device comprises a gas pump 4, an outlet pipe 41 is arranged at the output end of the gas pump 4, and the output end of the outlet pipe 41 extends through the outer wall of the cover pipe 113 to one end of the cover pipe 113 inside close to the light transmission plate 112. The positive pressure device is arranged in cooperation with the cover pipe 113, the cover pipe 113 always maintains a positive pressure state under the action of the positive pressure device during the operation of the oil fume fan, so as to avoid that the oil fume enters the inside of the cover pipe 113 and is attached to the surface of the light transmission plate 112, and the light transmission plate 112 is kept clean for a long time.

[0027] Referring to Figure 3 , Figure 4 , the input end of the gas pump 4 is arranged on the smoke hood 11 away from the oil fume input port. In this embodiment, the input end of the gas pump 4 is arranged on the upper side of the smoke hood 11, which can effectively avoid the oil fume and avoid that the oil fume enters the cover pipe 113.

[0028] Referring to Figure 3 , Figure 4 , the cover pipe 113 is detachably connected with the opening of the mounting cavity 111. It is convenient for maintenance.

[0029] The working process of this utility model:

[0030] In the operation of this kitchen range hood control device, the central controller adjusts the operating power of the range hood fan 12 based on the infrared signal intensity monitored by the infrared power meter 3. The greater the smoke or steam, the greater the impact on infrared radiation, and the weaker the infrared signal intensity received by the infrared power meter 3. The central controller can use this to determine the concentration of oil fumes and thus adjust the operating power of the range hood fan 12.

[0031] All standard parts used in this application can be purchased from the market. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the existing technology. The internal components of the electric slide rail, cylinder, welding machine, electric telescopic rod and controller all adopt conventional models in the existing technology, and their internal structure belongs to the existing technology structure. Workers can complete the normal operation of them according to the existing technical manual. In addition, the circuit connection adopts the conventional connection method in the existing technology, and will not be described in detail here.

[0032] It should be noted that although the above embodiments have been described herein, this does not limit the scope of patent protection for this utility model. Therefore, any changes and modifications made to the embodiments described herein based on the innovative concept of this utility model, or equivalent structural or procedural transformations made using the content of this utility model's specification and drawings, directly or indirectly applying the above technical solutions to other related technical fields, are all included within the scope of protection of this utility model patent.

Claims

1. A kitchen fume extractor control device, comprising a fume extractor body (1), said fume extractor body (1) comprising a fume hood (11), a fume extractor fan (12) for cooperating with said fume hood (11) to generate a negative pressure suction force, and a central controller in control connection with said fume extractor fan (12), characterized in that: The fume hood (11) is further provided with a fume monitoring mechanism for monitoring the concentration of smoke or vapor at the fume input port, and the fume monitoring mechanism is in data communication connection with the central controller. The fume monitoring mechanism comprises at least one infrared light source (2) and at least one infrared power meter (3) matched with the infrared light source (2), the infrared light source (2) and the infrared power meter (3) are oppositely arranged at both sides of the fume input port of the fume hood (11), and the infrared power meter (3) is in data communication connection with the central controller. Both sides of the fume hood (11) are respectively provided with mounting cavities (111) matched with the infrared light source (2) and the infrared power meter (3), the infrared light source (2) and the infrared power meter (3) are respectively arranged in the mounting cavities (111) on both sides, and the opposite sides of the mounting cavities (111) on both sides are respectively provided with openings, and the openings are provided with light transmission plates (112). Both sides of the mounting cavities (111) are respectively provided with cover pipes (113) extending in opposite directions, and the cover pipes (113) are hollow inside. Further comprising a positive pressure device, the positive pressure device comprises a gas pump (4), and the output end of the gas pump (4) is provided with an air outlet pipe (41), and the output end of the air outlet pipe (41) extends through the outer wall of the cover pipe (113) to the inside of the cover pipe (113) near one end of the light transmission plate (112).

2. A control for a kitchen hood as claimed in claim 1, characterised in that: The input end of the gas pump (4) is arranged on the fume hood (11) away from the fume input port.

3. A control device for a kitchen hood as defined in claim 1, characterized in that The cover pipe (113) and the opening of the mounting cavity (111) are detachably connected.

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