Oil smoke detection device and range hood

By using photosensitive components and temperature sensing components in the range hood to jointly detect, the existing range hood has been solved, and efficient and sensitive detection of fire usage and cooking scenarios is achieved, and the automatic control capability and user experience of the range hood is improved.

CN222926590UActive Publication Date: 2025-05-30HANDAN MIDEA INTELLIGENT KITCHEN ELECTRIC MFG CO LTD
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Patent Information

Application Number
CN202421250541.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-03
Publication Date
2025-05-30
Estimated Expiration
2034-06-03

AI Technical Summary

Technical Problem

Existing range hoods use infrared sensors to detect oil fume, which is low efficiency and slow to respond, and can only achieve automatic control in the presence of smoke. The detection scenario is limited and it is impossible to automatically turn on without cooking oil fume.

Method used

A fume detection device is designed, using photosensitive components and temperature sensing components to jointly detect. The temperature sensing components monitor the fire usage of the stove in real time. The photosensitive components reflect the fire usage of the user on the side, and accurately and quickly detect the fire usage and cooking scene through simultaneous detection.

Benefits of technology

It realizes efficient and sensitive detection of fire usage and cooking scenarios, and can automatically control the opening of the range hood when the user turns on the gas stove or natural gas stove, improving the automatic control capability and user experience of the range hood.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an oil smoke detection device and a range hood, and relates to the technical field of oil smoke detection, the oil smoke detection device comprises a shell, a mounting seat, a circuit board assembly and a detection assembly, and the shell is provided with an opening; the mounting seat is fixedly connected in the shell and is provided with a first side facing the opening and a second side deviating from the opening; the circuit board assembly is fixedly mounted on the second side of the mounting seat; the detection assembly is fixedly installed on the first side of the installation base and corresponds to the opening, the detection assembly comprises a light sensing assembly and a temperature sensing assembly which are electrically connected with the circuit board assembly, the temperature sensing assembly detects the temperature change near the cooking bench range hood, and meanwhile the light sensing assembly can detect light near the cooking bench. According to the cooking fume detection device, the fire using condition and the cooking scene can be accurately and rapidly detected, the detection assembly and the circuit board assembly are arranged on the two sides of the mounting base respectively, and the circuit board assembly, the mounting base and the detection assembly are arranged in a stacked mode in the height direction of the cooking fume detection device, so that the structure is more compact.
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Description

Technical Field

[0001] The utility model relates to the technical field of oil fume detection, in particular to an oil fume detection device and a range hood. Background Art

[0002] Since the automatic control of the range hood can start and stop the range hood according to actual needs, it can avoid energy waste caused by long-term operation, reduce unnecessary noise and environmental impact at the same time. Users do not need to operate manually frequently, which improves the use experience, makes the use of the range hood more convenient and intelligent, and enhances the user experience.

[0003] In the prior art, a general range hood usually uses an infrared sensor to detect the presence of smoke or oil fume. The infrared sensor judges whether there are smoke particles or oil fume particles in the air by measuring the intensity of infrared radiation. When there are smoke or oil fume particles in the air, these particles will absorb or scatter infrared radiation, and the infrared sensor can detect this change in radiation, so as to trigger the start or adjust the working state of the range hood. This detection method has low efficiency, slow response, and can only achieve automatic control when there is smoke. The detection scenario is limited. For example, when there is no oil fume generated by cooking, the range hood cannot be automatically turned on. Summary of the Utility Model

[0004] The main purpose of the utility model is to propose an oil fume detection device and a range hood, aiming to provide a small-volume oil fume detection device that is more suitable for the kitchen stir-frying scenario and has more efficient and sensitive detection.

[0005] To achieve the above purpose, the oil fume detection device proposed by the utility model includes:

[0006] A housing, which is provided with an opening;

[0007] A mounting seat, fixedly connected to the inside of the housing, having a first side facing the opening and a second side facing away from the opening;

[0008] A circuit board assembly, fixedly installed on the second side of the mounting seat; and,

[0009] A detection component, fixedly installed on the first side of the mounting seat and corresponding to the opening, the detection component includes a photosensitive component and a temperature sensing component electrically connected to the circuit board assembly.

[0010] In an embodiment, the oil fume detection device further includes a flexible electrical connector, one end of the flexible electrical connector is connected to the circuit board assembly, and the other end is connected to the photosensitive component and the temperature sensing component.

[0011] In one embodiment, the photosensitive component includes a photosensitive element and a light source element. The light source element is disposed on one side of the photosensitive element and is used for supplementary lighting when the photosensitive element detects.

[0012] In one embodiment, a plurality of openings are provided. The plurality of openings include a first opening corresponding to the photosensitive element and a second opening corresponding to the light source element.

[0013] The oil fume detection device further includes an isolation part pad-mounted between the photosensitive component and the housing. Two first through holes are provided through the isolation part. One of the first through holes corresponds to the photosensitive element and the first opening, and the other first through hole corresponds to the light source element and the second opening.

[0014] In one embodiment, the oil fume detection device further includes two cover bodies respectively covering the first opening and the second opening, and each cover body is at least partially transparent.

[0015] In one embodiment, two side wall surfaces are formed on the housing at an included angle, and at least one opening is provided on each side wall surface.

[0016] The photosensitive component corresponds to one of the openings, and the temperature sensing component corresponds to the other opening.

[0017] In one embodiment, the first side of the mounting seat has two mounting surfaces formed at an included angle, and each mounting surface faces a corresponding opening. The photosensitive component is fixed on one of the mounting surfaces, and the temperature sensing component is fixed on the other mounting surface.

[0018] In one embodiment, the oil fume detection device further includes a sealing part, and the sealing part is pad-mounted between the detection component and the periphery of the opening.

[0019] In one embodiment, the sealing part further includes an elastic pad. A second through hole corresponding to the temperature sensing component is provided through the elastic pad, and the elastic pad is pad-mounted between the housing and the temperature sensing component.

[0020] The present utility model further provides an oil fume machine, which includes an oil fume detection device, and the oil fume detection device includes:

[0021] A housing, the housing is provided with an opening;

[0022] A mounting seat, fixedly connected inside the housing, having a first side facing the opening and a second side facing away from the opening;

[0023] A circuit board assembly, fixedly installed on the second side of the mounting seat; and,

[0024] The detection component is fixedly installed on the first side of the mounting base and is arranged corresponding to the opening. The detection component includes a photosensitive component and a temperature sensing component that are electrically connected to the circuit board component.

[0025] In the technical solution of the present utility model, the detection component includes a photosensitive component and a temperature sensing component. By detecting the temperature change near the stove range hood through the temperature sensing component, the stove fire situation can be monitored in real time. At the same time, the photosensitive component can detect the light near the stove, which can also indirectly reflect the user's fire situation. By using the photosensitive component and the temperature sensing component for simultaneous detection, the fire situation and cooking scene can be detected accurately and quickly. And the detection component and the circuit board component are respectively arranged on both sides of the mounting base. In the height direction of the oil fume detection device, the circuit board component, the mounting base and the detection component are stacked, making the structure more compact. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0027] Figure 1 A three-dimensional schematic diagram of an embodiment of the oil fume detection device provided by the present utility model;

[0028] Figure 2 For Figure 1 The explosion schematic diagram of the oil fume detection device in

[0029] Figure 3 For Figure 1 The structural schematic diagram of the mounting base and the detection component in

[0030] Figure 4 For Figure 1 The explosion schematic diagram of a partial structure of the oil fume detection device in

[0031] Explanation of the reference numerals in the drawings:

[0032] 100. Oil fume detection device; 1. Housing; 11. First housing; 12. Second housing; a. Opening; 2. Mounting base; 21. Mounting surface; 3. Circuit board assembly; 4. Photosensitive component; 41. First connection seat; 42. Optical sensor; 5. Temperature sensing component; 51. Second connection seat; 52. Temperature sensor; 6. Flexible electrical connector; 61. First flexible cable; 62. Second flexible cable; 7. Sealing part; 71. Isolation part; 71a. First through hole; 72. Elastic pad; 72a. Second through hole; 8. Cover body.

[0033] The realization, functional features and advantages of the present utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings. Specific embodiments

[0034] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0035] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present utility model, the directional indications are only used to explain the relative position relationship and movement conditions between components in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0036] In addition, if there are descriptions such as "first" and "second" involved in the embodiments of the present utility model, the descriptions of "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if "and / or" or "and / or" appears throughout the text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or a solution that satisfies both A and B at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0037] In the prior art, general range hoods usually use infrared sensors to detect the presence of smoke or cooking fumes. The infrared sensor determines whether there are smoke particles or cooking fume particles in the air by measuring the intensity of infrared radiation. When there are smoke or cooking fume particles in the air, these particles will absorb or scatter the infrared radiation, and the infrared sensor can detect this change in radiation, thereby triggering the startup or adjusting the working state of the range hood. This detection method has low efficiency, is relatively sluggish in response, and can only achieve automatic control when there is smoke, with limited detection scenarios. For example, it cannot achieve automatic startup when there is no cooking fume generated.

[0038] The present utility model proposes an oil fume detection device, providing a small-sized oil fume detection device that is more suitable for the kitchen stir-frying scenario and has more efficient and sensitive detection. Figure 1 It is a three-dimensional schematic diagram of an embodiment of the oil fume detection device provided by the present utility model; Figure 2 For Figure 1 the explosion schematic diagram of the oil fume detection device in Figure 3 For Figure 1 the structural schematic diagram of the mounting base and the detection component in Figure 4 For Figure 1 the explosion schematic diagram of a partial structure of the oil fume detection device in

[0039] Please refer to Figures 1 to 3 , in an embodiment of the present utility model, the oil fume detection device 100 includes a housing 1, a mounting base 2, a circuit board assembly 3, and a detection component. The housing 1 is provided with an opening a; the mounting base 2 is fixedly connected inside the housing 1, having a first side facing the opening a and a second side facing away from the opening a; the circuit board assembly 3 is fixedly installed on the second side of the mounting base 2; the detection component is fixedly installed on the first side of the mounting base 2 and is correspondingly arranged facing the opening a. The detection component includes a photosensitive component 4 and a temperature sensing component 5 that are electrically connected to the circuit board assembly 3.

[0040] In this embodiment, the housing 1 may include a first housing 11 and a second housing 12. The first housing 11 and the second housing 12 enclose a cavity. The first housing 11 and the second housing 12 can be assembled in a snap-fit manner, or connected in forms such as screwing or bonding. The opening a can be provided on the first housing 11, or on the second housing 12. Of course, it can also be that the first housing 11 and the second housing 12 are respectively provided with notches, so as to enclose and form the opening a. This embodiment does not make a limitation. Of course, the housing 1 can also be set in other possible forms, and can be specifically designed according to the actual situation. This specification embodiment does not make a limitation on this.

[0041] It should be noted that in the prior art, since the infrared sensor needs to detect through the smoke particles of cooking fumes, the infrared sensor is generally arranged in the cooking fume duct. Because the cooking fume particles are easily attached to the infrared sensor, the detection of the infrared sensor will also be affected. And the infrared sensor can only detect and achieve automatic control in the presence of cooking fumes. Then, before the cooking fumes are detected, the function of automatically turning on the machine cannot be realized.

[0042] In this application, the temperature sensing component 5 detects the temperature change near the cooking range and range hood, and can monitor the use of fire on the cooking range in real time. At the same time, the light sensing component 4 can detect the light near the cooking range, and can also indirectly reflect the user's use of fire. Then, when the user just turns on the gas stove or natural gas stove, when the change in temperature and / or light is detected, the automatic opening of the range hood can be automatically controlled.

[0043] In order to ensure the detection accuracy of the cooking fume detection device 100 in this application and not be interfered by cooking fumes, it is arranged at the deflector of the range hood forehead. Due to the limited installation position, the volume of the cooking fume detection device 100 needs to be set extremely small in order to be installed.

[0044] It should also be noted that since the light sensing component 4 detects through light, there are also certain requirements for the orientation of the opening a, which needs to be set in the direction of the cooking range. Then, there will also be corresponding requirements for the installation angle of the detection component. If the light sensing component 4 and the temperature sensing component 5 are directly welded to the circuit board component 3, it will increase the layout difficulty for the control of their angles.

[0045] In this embodiment, the circuit board component 3 is arranged on the second side of the mounting seat 2, and the light sensing component 4 and the temperature sensing component 5 are fixed on the first side of the mounting seat 2. By flexibly adjusting the shape or connection method of the mounting seat 2, the light sensing component 4 and the temperature sensing component 5 can be fixed at a preset angle. It can also be that the light sensing component 4 and the temperature sensing component 5 both include connecting seats, and the light sensing component 4 and the temperature sensing component 5 can be installed on the mounting seat 2 by adjusting the form of the connecting seats, without being restricted by the circuit board component 3.

[0046] In the technical solution of the present utility model, the detection component includes a photosensitive component 4 and a temperature sensing component 5. By detecting the temperature change near the stove range hood through the temperature sensing component 5, the stove usage situation can be monitored in real time. At the same time, the photosensitive component 4 can detect the light near the stove, which can also indirectly reflect the user's stove usage situation. By using the photosensitive component 4 and the temperature sensing component 5 for simultaneous detection, the stove usage situation and cooking scene can be detected accurately and quickly. And the detection component and the circuit board component 3 are respectively arranged on both sides of the mounting seat 2. In the height direction of the oil fume detection device 100, the circuit board component 3, the mounting seat 2 and the detection component are stacked, making the structure more compact.

[0047] It should be noted that the photosensitive component 4 and the temperature sensing component 5 are electrically connected to the circuit board component 3. It can be in the way of opening channels on the mounting seat 2 for the electrical connectors connecting the photosensitive component 4 and the temperature sensing component 5 to pass through the circuit board component 3. Of course, it can also be set in other possible forms, which can be specifically determined according to the actual situation. The embodiments of this specification do not limit this.

[0048] In one embodiment, please refer to Figure 3 and Figure 4 , the oil fume detection device 100 further includes a flexible electrical connector 6. One end of the flexible electrical connector 6 is connected to the circuit board component 3, and the other end is connected to the photosensitive component 4 and the temperature sensing component 5. Specifically, the flexible electrical connector 6 includes a first flexible cable 61 connecting the photosensitive component 4 and the circuit board component 3; the flexible cable includes a second flexible cable 62 connecting the temperature sensing component 5 and the circuit board component 3. By the connection method of the flexible cable, while reducing the forming and processing difficulty of the mounting seat 2, the assembly difficulty is also reduced. Only need to assemble the two ends of the flexible cable with the circuit board component 3 and the detection component respectively.

[0049] Furthermore, in this embodiment, a wire passing gap is defined between the periphery of the mounting seat 2 and the inner wall of the housing 1, and the flexible electrical connector 6 passes through the wire passing gap. In this way, the volume of the housing 1 can be set as close as possible to the outer periphery of the mounting seat 2, and the wire passing gap is set to the thickness of the flexible electrical connector 6, making the structure inside the housing 1 more compact, and the volume of the oil fume detection device 100 smaller, which is convenient to be installed at the deflector of the range hood.

[0050] Specifically, in this embodiment, the photosensitive component 4 includes a photosensitive element and a light source element. The light source element is arranged on one side of the photosensitive element for supplementary lighting when the photosensitive element detects.

[0051] It should be noted that in the case of too dim ambient light, the photosensitive element may not be able to receive enough light to generate an accurate output signal. This will result in insufficient sensitivity of the sensor and the inability to accurately detect changes in ambient light. Moreover, the lack of sufficient light input will cause the signal output by the photosensitive element to be unstable, affecting the accuracy and reliability of the sensor and limiting its adaptability and practicality in complex environments.

[0052] To improve the stability, accuracy, and adaptability of the optical sensor 42, reduce external interference, and better meet the requirements of different application scenarios, by setting the light source element, it is possible to supplement light when powered on, facilitating stable and accurate detection by the photosensitive element.

[0053] In this embodiment, in order to prevent the light generated by the light source element from affecting the detection result of the photosensitive element near the light output end of the photosensitive element, a plurality of openings a are provided. The plurality of openings a include a first opening corresponding to the photosensitive element and a second opening corresponding to the light source element; the oil fume detection device 100 further includes an isolation part 71 disposed between the photosensitive component 4 and the housing. The isolation part 71 is provided with two first through holes 71a. One of the first through holes 71a is correspondingly disposed with the photosensitive element and the first opening, and the other first through hole 71a is correspondingly disposed with the light source element and the second opening.

[0054] By providing the two first through holes 71a, so that between the two first through holes 71a, the photosensitive element and the light source element are completely separated, preventing the light generated by the light source element from affecting the detection result of the photosensitive element. By providing the isolation part 71, the optical path can be isolated to prevent the light source element from having light leakage.

[0055] It can be understood that the material of the isolation part 71 can be set to an elastic material. In this way, during the operation of the range hood, since there is also a small amount of oil fume near the deflector plate, by providing the elastic isolation part 71, it is possible to prevent external oil fume and water stains from entering the housing 1 through the opening a.

[0056] Specifically, in this embodiment, the photosensitive component 4 includes a first connection seat 41 and an optical sensor 42. The first connection seat 41 is fixed to the mounting seat 2. A mounting groove is recessed on one side of the first connection seat 41 facing the mounting seat 2, and two through holes are opened at the bottom of the mounting groove; the optical sensor 42 is accommodated in the mounting groove. The optical sensor 42 includes a photosensitive element and a light source element respectively corresponding to the two through holes. The photosensitive element is correspondingly disposed with the first opening a, and the light source element is correspondingly disposed with the second opening a.

[0057] It should be noted that since the mounting base 2 is fixedly installed in the housing 1, the sealing portion 7 is disposed between the detection component and the periphery of the opening a. By setting the thickness of the sealing portion 7 to be slightly greater than the distance between the detection component and the periphery of the opening a, after assembly, the sealing portion 7 can generate a certain deformation, enabling the detection component to correspond to the opening a more stably.

[0058] To facilitate positioning of the isolation portion 71, a positioning hole is provided in the isolation portion 71. Correspondingly, a positioning protrusion is provided at the bottom of the first connecting seat 41, and the positioning hole of the isolation portion 71 can be passed through the positioning protrusion to prevent the isolation portion 71 from moving.

[0059] Of course, in other embodiments, two elastic annular gaskets can also be separately provided, and each elastic annular gasket is disposed at the corresponding opening a, which can also achieve optical path isolation.

[0060] In this embodiment, the oil fume detection device 100 further includes two covers 8 respectively covering the first opening and the second opening, and at least part of each cover 8 is provided in a transparent state.

[0061] Further, please refer to Figure 1 In this embodiment, the oil fume detection device 100 further includes two covers 8 respectively covering the first opening a and the second opening a, and at least part of each cover 8 is provided in a transparent state.

[0062] It can be understood that the two covers 8 can be respectively embedded in the first opening a and the second opening a, so that the outer surface of the housing 1 is in a smooth state. On the one hand, the integrity of the appearance is stronger. On the other hand, when cleaning is required, it can prevent the formation of grooves at the first opening a and the second opening a, thereby increasing the cleaning difficulty, and also plays a protective role for the light source component and the photosensitive component.

[0063] By providing at least part of each cover 8 in a transparent state, external impurities can be prevented from entering the housing 1, and it is also beneficial for the transmission of light during the detection process.

[0064] Specifically, in this embodiment, please refer to Figure 1 Two side wall surfaces are formed on the housing 1 at an included angle, and at least one opening a is provided on each side wall surface; the photosensitive component 4 is correspondingly arranged with one opening a, and the temperature sensing component 5 is correspondingly arranged with the other opening a. In this way, by setting the opening a corresponding to the photosensitive component 4 facing the stove, it is convenient for the photosensitive component 4 to monitor the light near the stove in real time.

[0065] It can be understood that when the installation position of the oil fume detection device 100 changes, correspondingly, the orientation of the opening a provided corresponding to the photosensitive component 4 will also be different, and the position of the opening a can be adjusted according to the actual situation.

[0066] Further, please refer to Figure 3 , in this embodiment, the first side of the mounting base 2 has two mounting surfaces 21 arranged at an angle, each of the mounting surfaces 21 faces a corresponding one of the openings a, the photosensitive component 4 is fixed on one of the mounting surfaces 21, and the temperature sensing component 5 is fixed on the other mounting surface 21.

[0067] By arranging the inclined mounting surfaces 21 on the first side of the mounting base 2, the inclination angle of the photosensitive component 4 is adjusted to be able to be correspondingly adapted to the opening a, and the structure is simple.

[0068] Preferably, the two mounting surfaces 21 are adjacently arranged, and the photosensitive component 4 and the temperature sensing component 5 are also arranged in abutting relation, so that the layout of the oil fume detection device 100 is more compact.

[0069] Specifically, please refer to Figure 4 , in an embodiment, on the two mounting surfaces 21, buckles are respectively arranged, and both the photosensitive component 4 and the temperature sensing component 5 include slots that can be clamped and matched with the buckles. In this way, during the assembly process, the photosensitive component 4 and the temperature sensing component 5 can be directly clamped on the mounting base 2.

[0070] In other embodiments, it may also be realized by other connection forms such as bonding and screwing to install and fix the photosensitive component 4 and the temperature sensing component 5. Those skilled in the art may also make other changes under the inspiration of the technical essence of the embodiments of this specification. However, as long as the functions and effects achieved are the same as or similar to those of the embodiments of this specification, they should all be covered within the protection scope of the embodiments of this specification.

[0071] Further, in order to ensure the stability of the internal components of the oil fume monitoring device, and at the same time, during the operation of the range hood, there is also a small amount of oil fume near the deflector. In order to prevent external oil fume from entering the housing 1, please refer to Figure 4 , in this embodiment, the oil fume detection device 100 further includes a sealing portion 7, and the sealing portion 7 is disposed between the detection component and the periphery of the opening a to prevent external oil fume and water stains from entering the housing 1 through the opening a.

[0072] It should be noted that the sealing portion 7 may be a separately provided elastic rubber pad, a silica gel pad, etc., or may be in the form of a liquid sealant applied after assembly. Of course, other possible sealing forms may also be adopted, and specifically, it can be determined according to the actual situation. The embodiments of this specification do not limit this.

[0073] Specifically, please refer to Figure 4 , in this embodiment, the temperature sensing component 5 includes a second connection base 51 and a temperature sensor 52. The temperature sensor 52 is fixed to the mounting base 2 through the second connection base 51. In a specific embodiment, the second connection base 51 is provided with a mounting hole, the temperature sensor 52 is sleeved in the mounting hole, the second connection base 51 includes a card slot, and the mounting base 2 is provided with a hook that is engaged with the card slot. The second connection base 51 is engaged with the mounting base 2. Through the engagement, it is convenient for assembly, disassembly, and subsequent maintenance.

[0074] Please refer to Figure 4 , in this embodiment, the sealing portion 7 further includes an elastic pad 72. The elastic pad 72 is provided with a second through hole 72a corresponding to the temperature sensing component 5. The elastic pad 72 is disposed between the housing 1 and the temperature sensing component 5. Since the temperature sensing component 5 itself is provided with a housing, it only needs to be directly passed through the second through hole 72a and embedded in the corresponding opening a.

[0075] The present utility model also proposes an oil fume machine. The oil fume machine includes a fan and an oil fume detection device 100. The specific structure of the oil fume detection device 100 refers to the above embodiments. Since this oil fume machine adopts all the technical solutions of the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, and will not be elaborated here one by one.

[0076] In an embodiment, the oil fume machine includes a control device, a fan, and a motor for driving the fan to work. The control device is electrically connected to the oil fume detection device 100 and the motor, and is used to control the motor to work according to the detection result of the oil fume detection device 100. When the temperature detected by the oil fume detection device 100 is relatively high and the light is relatively strong, it indicates that the user turns on the stove at high fire at this time and the oil fume situation is relatively large. At this time, the motor can be controlled to increase the rotation speed, so that the fan can work at a greater power and improve the smoke exhaust effect. When the temperature detected by the oil fume detection device 100 is relatively low and the light is relatively dim, it indicates that the user turns on the stove at low fire at this time and the oil fume situation is relatively small. At this time, the motor can be controlled to decrease the rotation speed, so that the fan can work at a reduced power and save energy consumption.

[0077] The above are only exemplary embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structural transformation made under the technical concept of the present utility model by using the content of the specification and drawings of the present utility model, or any direct / indirect application in other related technical fields, is included in the patent protection scope of the present utility model.

Claims

1. A fume detection device, characterized in that: include: A shell having an opening; A mounting seat, fixedly connected in the housing, having a first side facing the opening and a second side disposed away from the opening; a circuit board assembly, fixedly mounted on the second side of the mounting base; and The detection component is fixedly mounted on the first side of the mounting base and is arranged corresponding to the opening. The detection component includes a photosensitive component and a temperature sensing component electrically connected to the circuit board component.

2. The oil smoke detection device according to claim 1, characterized in that: The oil smoke detection device also includes a flexible electrical connector, one end of which is connected to the circuit board assembly, and the other end of which is connected to the photosensitive assembly and the temperature sensing assembly.

3. The oil smoke detection device according to claim 1, characterized in that: The photosensitive component includes a photosensitive element and a light source element. The light source element is arranged on one side of the photosensitive element and is used for supplementary light when the photosensitive element is detecting.

4. The oil smoke detection device according to claim 3, characterized in that: The openings are provided in plurality, and the plurality of openings include a first opening provided corresponding to the photosensitive element, and a second opening provided corresponding to the light source element; The oil smoke detection device also includes an isolation portion arranged between the photosensitive component and the shell, and the isolation portion is penetrated by two first via holes, one of the first via holes is arranged corresponding to the photosensitive element and the first opening, and the other first via hole is arranged corresponding to the light source element and the second opening.

5. The oil smoke detection device according to claim 4, characterized in that: The oil smoke detection device further comprises two covers respectively covering the first opening and the second opening, and each of the covers is at least partially transparent.

6. The oil smoke detection device according to claim 1, characterized in that: The shell is formed with two side walls arranged at an angle, and each of the side walls is provided with at least one opening; The photosensitive component is arranged corresponding to one of the openings, and the temperature sensing component is arranged corresponding to the other opening.

7. The oil smoke detection device according to claim 6, characterized in that: The first side of the mounting seat has two mounting surfaces arranged at an angle, each mounting surface faces a corresponding opening, the photosensitive component is fixed on one mounting surface, and the temperature sensing component is fixed on the other mounting surface.

8. The oil smoke detection device according to claim 1, characterized in that: The oil smoke detection device also includes a sealing portion, which is cushioned between the detection component and the periphery of the opening.

9. The oil smoke detection device according to claim 8, characterized in that: The sealing portion includes an elastic pad, the elastic pad is penetrated by a second through hole corresponding to the temperature sensing component, and the elastic pad is arranged between the housing and the temperature sensing component.

10. A range hood, characterized in that: It comprises the oil smoke detection device as described in any one of claims 1 to 9.