Temperature sensing assembly and range hood

By designing a combination of mounting box and protective cover, the problems of oil stains on the circuit board of the temperature sensing module and inconvenient installation are solved, thus preventing oil fume corrosion, ensuring stable installation, and extending service life.

CN223649375UActive Publication Date: 2025-12-09GUANGDONG VANWARD ELECTRIC
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Patent Information

Application Number
CN202423216080.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-12-09
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

Oil stains easily accumulate on the surface of the circuit board of the temperature sensing module, which affects its service life and makes installation inconvenient.

Method used

A temperature sensing component was designed, including a mounting box and a protective cover. The circuit board is sandwiched between the mounting box and the protective cover. The protective cover blocks the opening of the mounting slot to prevent oil fumes from entering. During installation, the component is clamped to the mounting wall by a boss to achieve stable installation.

Benefits of technology

It effectively prevents oil fumes from adhering to the circuit board surface, extends the service life of the temperature sensing module, simplifies the installation process of the temperature sensing module, and ensures the stability of the installation and the compactness of the structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of kitchen appliances, and particularly discloses a temperature sensing assembly and a range hood, the temperature sensing assembly comprises a mounting box, a protective cover and a temperature sensing module, the mounting box is provided with a mounting groove with an opening at one end, the groove bottom of the mounting groove is provided with a mounting hole, and a boss is arranged outside the side wall of the mounting box; the protective cover comprises a barrel and a cover plate arranged at the first end of the barrel, the barrel sleeves the side wall of the mounting box, the cover plate shields the opening of the mounting groove, a first gap is formed between the second end of the barrel and the boss, the mounting wall of the range hood can extend into the first gap, and the second end of the barrel and the boss clamp the mounting wall at the first gap; the temperature sensing module comprises a circuit board and a temperature sensing probe arranged on the circuit board, the circuit board is arranged in the mounting groove and clamped between the mounting box and the protective cover, and the temperature sensing probe penetrates through the mounting hole. According to the temperature sensing assembly provided by the utility model, the positioning installation of the temperature sensing module is facilitated, and oil smoke is effectively prevented from entering the installation groove.
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Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen electrical appliances technical field especially, relate to a temperature sensing assembly and range hood. BACKGROUND

[0002] The range hood is a kind of kitchen electrical appliances for purifying kitchen environment. It is installed above kitchen stove, can quickly suck away waste of stove combustion and the oil fume harmful to human body generated in the process of cooking, and is discharged outdoor, simultaneously, oil fume is condensed and collected, reduces pollution, and purifies air. At present, range hood is usually equipped with temperature sensing module, and the oil fume temperature is monitored in real time by high-precision temperature sensing module, and suction, air volume is automatically and quickly adjusted.

[0003] In the related art, the circuit board of temperature sensing module is usually exposed in the interior of range hood, the circuit board is directly contacted with oil fume for a long time, oil dirt is easily generated on the surface of circuit board, oil dirt can erode circuit board, and the service life of temperature sensing module is affected;And temperature sensing module is usually fixed by screw, and installation is very inconvenient. UTILITY MODEL CONTENTS

[0004] One of the technical problems solved by the utility model is to provide a temperature sensing assembly, which can effectively solve the problems of oil dirt generated on the surface of the circuit board of temperature sensing module and inconvenient installation of temperature sensing module.

[0005] The second technical problem solved by the utility model is to provide a range hood, which can effectively solve the problems of oil dirt generated on the surface of the circuit board of temperature sensing module and inconvenient installation of temperature sensing module.

[0006] The first technical problem is solved by the following technical scheme:

[0007] A temperature sensing assembly, comprising:

[0008] A mounting box is provided with a mounting slot with one end opening, the slot bottom of the mounting slot is provided with a mounting hole, and the side wall of the mounting box is provided with a boss outside.

[0009] A protective cover includes a cylinder and a cover plate provided at the first end of the cylinder, the cylinder is sleeved outside the side wall of the mounting box, the cover plate is shielded at the opening of the mounting slot, and the second end of the cylinder and the boss form a first gap at the first gap, and the mounting wall of the range hood can be inserted into the first gap, and the second end of the cylinder and the boss clamp the mounting wall at the first gap.

[0010] A temperature sensing module includes a circuit board and a temperature sensing probe provided on the circuit board, the circuit board is provided in the mounting slot, and clamped between the mounting box and the protective cover, and the temperature sensing probe is provided in the mounting hole.

[0011] The temperature sensing assembly has the beneficial effects that, compared with the prior art,

[0012] The cover plate shields the opening of the mounting groove, the cylinder is sleeved outside the side wall of the mounting box, the second end of the cylinder is clamped with the boss at the first gap to clamp the mounting wall, so that the protective cover shields the mounting groove, effectively prevents oil fume from entering the mounting groove, and prevents the oil fume from adhering to the surface of the circuit board in the mounting groove and forming oil dirt, so that the circuit board is not eroded by the oil dirt, and the service life of the temperature sensing module is effectively ensured.

[0013] In one of the embodiments, a plurality of first positioning protrusions are arranged at the bottom of the mounting groove and spaced around the mounting hole, and the first positioning protrusions are in abutment with one side of the circuit board facing the bottom of the mounting groove.

[0014] Alternatively, a first positioning ring is arranged at the bottom of the mounting groove and communicated with the mounting hole, the first positioning ring is sleeved outside the temperature sensing probe, and the top end of the first positioning ring is in abutment with one side of the circuit board facing the bottom of the mounting groove.

[0015] In one of the embodiments, a plurality of second positioning protrusions are arranged at one side of the cover plate facing the mounting box and spaced around the axis direction of the mounting hole, and the second positioning protrusions are in abutment with one side of the circuit board facing the cover plate.

[0016] Alternatively, a second positioning ring is arranged at one side of the cover plate facing the mounting box, the projection of the mounting hole in the axial direction is located in the second positioning ring, and the top end of the second positioning ring is in abutment with one side of the circuit board facing the cover plate.

[0017] In one of the embodiments, an internal thread is arranged in the cylinder, and an external thread matched with the internal thread is arranged outside the side wall of the mounting box.

[0018] In one of the embodiments, one of the mounting box and the protective cover is provided with a clamping hole, and the other is provided with an inverted buckle, and the inverted buckle is clamped in the clamping hole.

[0019] In one of the embodiments, an inner ring is arranged at one side of the cover plate facing the mounting box.

[0020] The side wall of the mounting box is inserted between the inner ring and the cylinder, or the side wall of the mounting box is inserted into the inner ring.

[0021] In one of the embodiments, the inner ring is provided with an undercut, and the side wall of the mounting box is provided with a clamping hole, and the undercut is clamped in the clamping hole.

[0022] In one of the embodiments, the side wall of the mounting box is provided with an elastic buckle, and the elastic buckle is used for clamping with the mounting wall of the range hood.

[0023] The second technical problem is solved by the following technical scheme:

[0024] A range hood comprises a range hood body and the temperature sensing assembly, the range hood body is provided with a mounting wall, the mounting wall is provided with a positioning hole, the mounting box is inserted into the positioning hole, and the periphery of the positioning hole is inserted into the first gap, so that the periphery of the positioning hole is clamped between the boss and the second end of the cylinder.

[0025] Compared with the background art, the range hood has the following beneficial effects:

[0026] The temperature sensing module is installed in the mounting box, and the mounting box is inserted into the positioning hole of the mounting wall of the range hood body, the protective cover is sleeved on the mounting box, the periphery of the positioning hole is inserted into the first gap, that is, the periphery of the positioning hole is clamped between the boss and the second end of the cylinder, the protective cover is shielded on the mounting groove when the mounting box is installed on the mounting wall, and the circuit board is clamped between the mounting box and the protective cover, so that the temperature sensing module is conveniently positioned and installed, the installation is stable and reliable, and oil smoke is effectively prevented from entering the mounting groove and oil dirt is prevented from being generated on the surface of the circuit board of the temperature sensing module.

[0027] In one of the embodiments, the first gap is provided with an outer sealing gasket, and the outer sealing gasket is clamped between the mounting wall and the boss.

[0028] And / or, the first gap is provided with an outer sealing gasket, and the outer sealing gasket is clamped between the mounting wall and the second end of the cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 The utility model provides a temperature sensing assembly's section view;

[0030] Figure 2 The utility model provides a temperature sensing assembly's explosion view;

[0031] Figure 3 The utility model provides a mounting box's structure schematic view;

[0032] Figure 4 The utility model provides a protective cover's structure schematic view;

[0033] Figure 5A sectional view of one embodiment of the temperature sensing assembly provided by the utility model clamped on the mounting wall;

[0034] Figure 6 A sectional view of another embodiment of the temperature sensing assembly provided by the utility model clamped on the mounting wall;

[0035] Figure 7 A sectional view of the mounting box provided by the utility model clamped on the mounting wall;

[0036] Figure 8 A structural schematic view of the range hood provided by the utility model.

[0037] Label explanation:

[0038] 10, temperature sensing assembly;

[0039] 100, mounting box; 101, first gap; 110, mounting groove; 111, mounting hole; 120, boss; 130, first positioning protrusion; 140, clamping hole; 150, elastic buckle; 160, through hole; 170, side plate;

[0040] 200, protective cover; 201, second gap; 210, cylinder; 220, cover plate; 221, perforation; 222, second positioning protrusion; 230, reverse buckle; 240, inner ring;

[0041] 300, temperature sensing module; 310, circuit board; 320, temperature sensing probe; 330, wire;

[0042] 400, range hood body; 410, mounting wall; 411, positioning hole. Specific implementation

[0043] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0044] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application.

[0045] The terms "first", "second", "third", etc. are used only for descriptive purposes and do not connote or imply relative importance or a number of the indicated technical features. Thus, features defined with "first", "second" or "third" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specified and limited.

[0046] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0047] Referring to Figures 1 to 4 The embodiment provides a temperature sensing assembly, which comprises a mounting box 100, a protective cover 200 and a temperature sensing module 300.

[0048] Specifically, the mounting box 100 is provided with an open-ended mounting groove 110, the groove bottom of the mounting groove 110 is provided with a mounting hole 111, and the side wall of the mounting box 100 is externally provided with a boss 120; the protective cover 200 comprises a cylinder body 210 and a cover plate 220 arranged at the first end of the cylinder body 210, the cylinder body 210 is sleeved outside the side wall of the mounting box 100, the cover plate 220 shields the opening of the mounting groove 110, and the second end of the cylinder body 210 and the boss 120 form a first gap 101 between them, the mounting wall 410 of the range hood can extend into the first gap 101, and the second end of the cylinder body 210 and the boss 120 clamp the mounting wall 410 at the first gap 101; the temperature sensing module 300 comprises a circuit board 310 and a temperature sensing probe 320 arranged on the circuit board 310, the circuit board 310 is arranged in the mounting groove 110, and the circuit board 310 is clamped between the mounting box 100 and the protective cover 200, and the temperature sensing probe 320 is arranged in the mounting hole 111.

[0049] In the embodiment, the cover plate 220 covers the opening of the installation groove 110, and the barrel 210 is sleeved outside the side wall of the installation box 100, the second end of the barrel 210 is clamped with the mounting wall 410 at the first gap 101 through the boss 120, so as to realize the shielding of the protective cover 200 to the installation groove 110, effectively prevent the oil fume from entering the installation groove 110, and prevent the oil fume from adhering to the surface of the circuit board 310 in the installation groove 110 and forming oil dirt, so that the circuit board 310 is not eroded by the oil dirt, and the service life of the temperature sensing module 300 is effectively guaranteed. In addition, when the temperature sensing assembly is installed, the second end of the barrel 210 is clamped with the mounting wall 410 at the first gap 101 through the boss 120, and the circuit board 310 is clamped between the installation box 100 and the protective cover 200, so that the positioning and installation of the temperature sensing module 300 are facilitated, the installation is stable and reliable, and the circuit board 310 does not need an additional connecting plate for screw penetration, so that the structure of the temperature sensing assembly is simple and the connection is compact.

[0050] Exemplarily, the cover plate 220 is provided with a perforation 221 for the lead 330 of the temperature sensing module 300 to penetrate. In the embodiment, the lead 330 can be sealed between the perforation 221 by means of adhesion, or sealed between the perforation 221 by means of a second sleeve (not shown), so as to prevent the oil fume from entering the installation groove 110. The second sleeve can be a rubber sleeve. In addition, when the temperature sensing module 300 is a wireless module, the cover plate 220 can not be provided with the perforation 221.

[0051] Exemplarily, the mounting wall 410 is provided with a positioning hole 411 for the installation box 100 to penetrate, when the temperature sensing assembly is installed on the mounting wall 410, the installation box 100 penetrates the positioning hole 411, the second end of the barrel 210 abuts against one side of the mounting wall 410, and the boss 120 abuts against the other side of the mounting wall 410, so as to clamp the mounting wall 410 through the second end of the barrel 210 and the boss 120.

[0052] Exemplarily, the boss 120 can be located at the bottom of the installation box 100.

[0053] Exemplarily, the boss 120 can be annular.

[0054] In a feasible implementation, the side wall of the installation box 100 abuts against the cover plate 220, so as to effectively prevent the oil fume from entering the installation groove 110.

[0055] In some embodiments, the temperature sensing probe 320 penetrates the installation hole 111, so as to facilitate the positioning and installation of the temperature sensing probe 320.

[0056] Exemplarily, the temperature sensing probe 320 can be sealed with the mounting hole 111 by means of adhesion, such as hot melt adhesion; or the temperature sensing probe 320 can be sealed with the mounting hole 111 by means of a first sleeve (not shown) to prevent oil fume from entering the mounting groove 110 through the mounting hole 111. The first sleeve can be a rubber sleeve.

[0057] In some embodiments, as shown in Figure 3 The bottom of the mounting groove 110 is provided with a plurality of first positioning protrusions 130 spaced around the mounting hole 111, and the first positioning protrusions 130 abut against the side of the circuit board 310 facing the bottom of the mounting groove 110, that is, the mounting box 100 clamps the circuit board 310 between the protective cover 200 and the first positioning protrusions 130, which is stable and reliable.

[0058] Exemplarily, the first positioning protrusions 130 can extend to coincide with the sidewall of the mounting groove 110, effectively improving the structural strength of the first positioning protrusions 130 and preventing the first positioning protrusions 130 from being broken.

[0059] Exemplarily, the first positioning protrusions 130 can be three to eight, for example, four or six.

[0060] In some embodiments, the bottom of the mounting groove 110 is provided with a first positioning ring (not shown) in communication with the mounting hole 111, the first positioning ring is sleeved outside the temperature sensing probe 320, and the top end of the first positioning ring abuts against the side of the circuit board 310 facing the bottom of the mounting groove 110, that is, the mounting box 100 clamps the circuit board 310 between the protective cover 200 and the first positioning ring, which is stable and reliable. It can be understood that the top end of the first positioning ring is sealed with the circuit board 310, which can prevent oil fume from entering the mounting groove 110 through the mounting hole 111.

[0061] Exemplarily, the first positioning ring can be provided with a first inner sealing gasket (not shown) between the top end of the first positioning ring and the circuit board 310. In this embodiment, while the second end of the cylinder 210 clamps the mounting wall 410 with the boss 120, the first inner sealing gasket is deformed by being pressed by the first positioning ring and the circuit board 310, which can form a good seal between the first positioning ring and the circuit board 310, and can stably clamp the circuit board 310 between the mounting box 100 and the protective cover 200.

[0062] Exemplarily, the first inner sealing gasket can be a rubber gasket.

[0063] In some embodiments, as shown in Figure 4As shown, the cover plate 220 is provided with a plurality of second positioning protrusions 222 at intervals around the mounting hole 111 on the side facing the mounting box 100. The second positioning protrusions 222 abut against the side of the circuit board 310 facing the cover plate 220. That is, the cover plate 220 clamps the circuit board 310 with the mounting box 100 through the plurality of second positioning protrusions 222, which is stable and reliable.

[0064] For example, the second positioning protrusion 222 is provided with three to eight, such as four or six.

[0065] In some embodiments, a second positioning ring (not shown) is provided on the side of the cover plate 220 facing the mounting box 100. The axial projection of the mounting hole 111 is located inside the second positioning ring, and the top of the second positioning ring abuts against the side of the circuit board 310 facing the cover plate 220. That is, the cover plate 220 clamps the circuit board 310 with the mounting box 100 through the second positioning ring, which is stable and reliable.

[0066] For example, a second inner sealing gasket (not shown) may be provided between the top end of the second positioning ring and the circuit board 310. In this embodiment, while the second end of the cylinder 210 clamps the mounting wall 410 with the boss 120, the second inner sealing gasket is deformed by the compression of the second positioning ring and the circuit board 310, which can stably clamp the circuit board 310 between the mounting box 100 and the protective cover 200.

[0067] For example, the second inner sealing gasket may be a rubber gasket.

[0068] Preferably, such as Figure 5 and Figure 6 As shown, the bottom of the mounting groove 110 is provided with a plurality of first positioning protrusions 130 at intervals around the mounting hole 111, and the cover plate 220 is provided with a plurality of second positioning protrusions 222 at intervals around the axial direction of the mounting hole 111 on the side facing the mounting box 100. The circuit board 310 is sandwiched between the first positioning protrusions 130 and the second positioning protrusions 222, which is stable and reliable, and the first positioning protrusions 130 and the second positioning protrusions 222 can better accommodate the electrical components on the circuit board 310.

[0069] In this embodiment, reference is made to Figure 5 and Figure 6 As shown, the mounting box 100 and the protective cover 200 are snap-fitted or threaded together, which facilitates the assembly of the temperature sensing component onto the mounting wall 410 and ensures a stable and reliable connection.

[0070] In one feasible implementation, such as Figure 5 As shown, the cylinder 210 has an internal thread, and the side wall of the mounting box 100 has an external thread that matches the internal thread. The mounting box 100 and the protective cover 200 have simple structures and are easy to form. In this embodiment, the protective cover 200 and the mounting box 100 are screwed together by the internal and external threads, which facilitates assembly and ensures a stable and reliable connection.

[0071] In one possible implementation, as shown in Figure 6 , one of the mounting box 100 and the protective cover 200 is provided with a clamping hole 140, and the other is provided with an undercut 230 clamped in the clamping hole 140. In this embodiment, the mounting box 100 and the protective cover 200 are extruded on both sides of the mounting wall 410, so that the undercut 230 is clamped in the corresponding clamping hole 140, facilitating the assembly of the temperature sensing assembly on the mounting wall 410 and ensuring stable and reliable connection.

[0072] In this embodiment, as shown in Figure 4 , Figure 6 and Figure 7 , the side of the cover plate 220 facing the mounting box 100 is provided with an inner ring 240; the side wall of the mounting box 100 is inserted between the inner ring 240 and the barrel 210; or the side wall of the mounting box 100 is inserted into the inner ring 240, effectively preventing oil fume from entering the mounting groove 110.

[0073] Exemplarily, the inner ring 240 can be in contact with the groove side wall of the mounting groove 110 or form a second gap 201, wherein the second gap 201 is less than or equal to 1 mm, for example, 0.2 mm, 0.3 mm or 0.5 mm, to prevent oil fume from entering the mounting groove 110.

[0074] In some embodiments, one of the side wall of the mounting box 100 and the barrel 210 is provided with a clamping hole 140, and the other is provided with an undercut 230; in other embodiments, one of the side wall of the mounting box 100 and the inner ring 240 is provided with a clamping hole 140, and the other is provided with an undercut 230.

[0075] Exemplarily, the inner ring 240 is provided with an undercut 230, and the side wall of the mounting box 100 is provided with a clamping hole 140, and the undercut 230 is clamped in the clamping hole 140. In this embodiment, the side wall of the mounting box 100 is inserted and fitted between the inner ring 240, guiding the clamping of the undercut 230 and the clamping hole 140. Exemplarily, the side wall of the mounting box 100 is provided with at least two clamping holes 140 arranged at intervals along the circumference of the mounting box 100, and the inner ring 240 is provided with at least two undercuts 230 corresponding to the clamping holes 140 one by one, to ensure stable and reliable connection between the mounting box 100 and the protective cover 200.

[0076] In this embodiment, as shown in Figure 3 , Figure 4 and Figure 7As shown, the side wall of the mounting box 100 is provided with an elastic buckle 150, which is used for clamping with the mounting wall 410 of the range hood. In this embodiment, the temperature sensing module 300 can be first installed in the mounting box 100, and then the mounting box 100 is clamped on the mounting wall 410 through the elastic buckle 150, and then the protective cover 200 is connected with the mounting box 100, which is more convenient for assembling the temperature sensing assembly on the mounting wall 410.

[0077] Exemplarily, the side wall of the mounting box 100 is provided with at least two elastic buckles 150 arranged along the circumference of the mounting box 100, so as to ensure that the mounting box 100 is stably clamped on the mounting wall 410.

[0078] Exemplarily, the side wall of the mounting box 100 is provided with at least two through holes 160 arranged along the circumference of the mounting box 100, the through holes 160 are arranged one by one corresponding to the elastic buckles 150, and the projection of the elastic buckle 150 along the mounting hole 111 is at least partially located in the corresponding through hole 160, that is, the through hole 160 can accommodate the deformed elastic buckle 150 to avoid positional interference and ensure the compactness of the temperature sensing assembly.

[0079] Exemplarily, one end of the elastic buckle 150 can be connected with the hole wall of the through hole 160 away from the boss 120, and the other end is used for clamping with the mounting wall 410.

[0080] Exemplarily, the elastic buckle 150 can include two plate portions arranged at an angle. When the mounting box 100 passes through the positioning hole 411 on the mounting wall 410, the plate portion connected with the hole wall of the through hole 160 is deformed by the hole wall of the positioning hole 411 and then passes through the positioning hole 411. After the plate portion passes through the positioning hole 411, the other plate portion abuts against the mounting wall 410 and cooperates with the boss 120 to form clamping.

[0081] Exemplarily, the side wall of the mounting box 100 includes at least two side plates 170 arranged along the circumference of the mounting box 100, and the side plate 170 is provided with an elastic buckle 150 and a clamping hole 140. Preferably, the side plate 170 is provided as a flat plate to facilitate molding. In this embodiment, the side plate 170 is provided with one elastic buckle 150 and two clamping holes 140. Of course, the elastic buckle 150 and the clamping hole 140 on the side plate 170 can also be provided in other quantities, which are not limited in the present application.

[0082] The present embodiment also provides a range hood, which will be described with reference to Figure 1 and Figure 8As shown, the range hood includes the range hood body 400 and the temperature sensing assembly 10 described above, the range hood body 400 is provided with a mounting wall 410, the mounting wall 410 is provided with a positioning hole 411, the mounting box 100 is inserted into the positioning hole 411, and the periphery of the positioning hole 411 is inserted into the first gap 101, so that the periphery of the positioning hole 411 is clamped between the boss 120 and the second end of the cylinder 210.

[0083] In the embodiment, after the temperature sensing module 300 is installed in the mounting box 100 and the mounting box 100 is inserted into the positioning hole 411 of the mounting wall 410 of the range hood body 400, the protective cover 200 is sleeved on the mounting box 100, so that the periphery of the positioning hole 411 is inserted into the first gap 101, that is, the periphery of the positioning hole 411 is clamped between the boss 120 and the second end of the cylinder 210, while the mounting box 100 is mounted on the mounting wall 410, the protective cover 200 shields the mounting groove 110, and the circuit board 310 is clamped between the mounting box 100 and the protective cover 200, facilitating the positioning and installation of the temperature sensing module 300, and the installation is stable and reliable, and the oil smoke is effectively prevented from entering the mounting groove 110, and the oil dirt is prevented from being generated on the surface of the circuit board 310 of the temperature sensing module 300.

[0084] In a feasible embodiment, an outer sealing gasket (not shown) is arranged in the first gap 101, and it can be understood that the outer sealing gasket is clamped between the mounting wall 410 and the boss 120, and / or the outer sealing gasket is clamped between the mounting wall 410 and the second end of the cylinder 210. In the embodiment, the second end of the cylinder 210 and the boss 120 cooperate to press the outer sealing gasket against the mounting wall 410 and form a seal, which more effectively prevents oil smoke from entering the mounting groove 110.

[0085] Exemplarily, the outer sealing gasket can be a rubber gasket.

[0086] In the specific content of the above specific embodiments, any combination of technical features can be combined without contradiction, and in order to make the description simple, not all possible combinations of the above technical features are described, but as long as the combination of technical features does not exist contradiction, it should be considered as the scope of the description.

[0087] The specific content of the above specific embodiments only expresses several embodiments of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the patent scope of the utility model. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A temperature sensing assembly, characterized by, The application relates to a temperature sensing module for an extractor hood. The temperature sensing module comprises a mounting box (100) provided with an open mounting groove (110) with a mounting hole (111) in the groove bottom, and a convex boss (120) outside the side wall of the mounting box (100); a protective cover (200) comprising a cylinder (210) and a cover plate (220) arranged at the first end of the cylinder (210), the cylinder (210) being arranged outside the side wall of the mounting box (100), the cover plate (220) covering the opening of the mounting groove (110), and a first gap (101) being formed between the second end of the cylinder (210) and the convex boss (120), the mounting wall (410) of the extractor hood being capable of extending into the first gap (101), and the second end of the cylinder (210) and the convex boss (120) clamping the mounting wall (410) at the first gap (101); and a temperature sensing probe (320) arranged on a circuit board (310) arranged in the mounting groove (110) and clamped between the mounting box (100) and the protective cover (200). The groove bottom of the mounting groove (110) is provided with a plurality of first positioning protrusions (130) spaced apart around the mounting hole (111), and the first positioning protrusions (130) abut against one side of the circuit board (310) facing the groove bottom of the mounting groove (110). Alternatively, the groove bottom of the mounting groove (110) is provided with a first positioning ring in communication with the mounting hole (111), the first positioning ring being arranged outside the temperature sensing probe (320), and the top end of the first positioning ring abutting against one side of the circuit board (310) facing the groove bottom of the mounting groove (110).

2. The temperature sensing assembly of claim 1, wherein, The cover plate (220) is provided with a plurality of second positioning protrusions (222) spaced apart around the axis direction of the mounting hole (111) on one side of the cover plate (220) facing the mounting box (100), and the second positioning protrusions (222) abut against one side of the circuit board (310) facing the cover plate (220). Alternatively, the cover plate (220) is provided with a second positioning ring on one side of the cover plate (220) facing the mounting box (100), the projection of the mounting hole (111) in the axial direction is located in the second positioning ring, and the top end of the second positioning ring abuts against one side of the circuit board (310) facing the cover plate (220).

3. A temperature sensing assembly according to claim 1 or 2, characterised in that, The cylinder (210) is provided with an internal thread, and the side wall of the mounting box (100) is provided with an external thread matched with the internal thread. One of the mounting box (100) and the protective cover (200) is provided with a clamping hole (140), and the other is provided with an undercut (230), the undercut (230) being clamped in the clamping hole (140).

4. The temperature sensing assembly of claim 1, wherein, The cover plate (220) is provided with an inner ring (240) on one side of the cover plate (220) facing the mounting box (100).

5. The temperature sensing assembly of claim 1, wherein, ​ 6. The temperature sensing assembly of claim 1, wherein, ​ The side wall of the mounting box (100) is inserted between the inner ring (240) and the cylinder (210); or, the side wall of the mounting box (100) is inserted into the inner ring (240).

7. The temperature sensing assembly of claim 6, wherein, The inner ring (240) is provided with an undercut (230), and the side wall of the mounting box (100) is provided with a clamping hole (140), and the undercut (230) is clamped in the clamping hole (140).

8. The temperature sensing assembly of claim 1, wherein, The side wall of the mounting box (100) is provided with an elastic buckle (150), and the elastic buckle (150) is used for clamping with the mounting wall (410) of the extractor hood.

9. A range hood characterized by, The extractor hood body (400) is provided with a mounting wall (410), and the mounting wall (410) is provided with a positioning hole (411), and the mounting box (100) is inserted into the positioning hole (411), and the periphery of the positioning hole (411) is inserted into the first gap (101), so that the periphery of the positioning hole (411) is clamped between the boss (120) and the second end of the cylinder (210).

10. The hood according to claim 9, characterized in that, The first gap (101) is provided with an outer sealing gasket, and the outer sealing gasket is clamped between the mounting wall (410) and the boss (120); And / or, the first gap (101) is provided with an outer sealing gasket, and the outer sealing gasket is clamped between the mounting wall (410) and the second end of the cylinder (210).