Sensor mounting structure and range hood with same

Abstract

The utility model relates to the technical field of range hoods, and discloses a sensor mounting structure and a range hood with the sensor mounting structure, the sensor mounting structure comprises a sensor box, the sensor box is provided with a mounting cavity, the mounting cavity is communicated with external air, at least a first mounting area is arranged in the mounting cavity, and air entering the mounting cavity at least flows through the first mounting area; the sensor electric control board is mounted in the first mounting area, the sensor electric control board is provided with a mounting position, and an elastic connecting piece is arranged on the mounting position; the methane sensor is mounted on the elastic connecting piece; compared with the prior art, according to the sensor installation structure, the installation position of the sensor electric control board is provided with the elastic connecting piece, the methane sensor is installed on the elastic connecting piece, the methane sensor can be protected through the elastic connecting piece, and the influence of vibration of a smoke exhaust fan on the methane sensor is reduced when a range hood runs; the failure probability of the methane sensor is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen appliance technical field, specifically, relate to a sensor mounting structure and have its range hood. BACKGROUND

[0002] When the methane sensor is applied to the range hood, it is used for auxiliary detection of gas leakage, and ensures user cooking safety. The detection head of the methane sensor includes a base, a plurality of supports are arranged on the base, a portion of the supports are led out with a heating wire connecting line, another portion of the supports are led out with a concentration detection line, the concentration detection line is connected with a semiconductor detection sheet, a heating sheet is arranged on the semiconductor detection sheet, and the heating sheet is connected with the welding point of the heating wire connecting line; the heating wire connecting line and the concentration detection line are very thin. After the methane sensor is applied to the range hood, when the range hood works, the exhaust fan of the range hood operates, vibration is generated, the vibration of the range hood causes physical stress to the methane sensor installed on the range hood, through multidirectional bit vibration analysis, in the XYZ direction of the methane sensor module, the semiconductor detection sheet, the concentration detection line and the heating wire connecting line are subjected to stress respectively, the welding point of the heating sheet and the heating wire connecting line is loosened and cracked, and the methane sensor is disabled. SUMMARY

[0003] The utility model discloses a sensor mounting structure and range hood with same, which are used to solve the above technical problems.

[0004] A sensor mounting structure for a range hood, comprising:

[0005] A sensor box is provided with a mounting cavity, the mounting cavity is in communication with external air, and at least a first mounting area is arranged in the mounting cavity; air entering the mounting cavity flows through at least the first mounting area;

[0006] A sensor electric control board is installed in the first mounting area, and the sensor electric control board is provided with a mounting position, and an elastic connecting piece is arranged on the mounting position;

[0007] A methane sensor is installed on the elastic connecting piece.

[0008] According to an embodiment of the utility model, a plurality of connecting columns are arranged on the mounting position of the sensor electric control board, one end of the elastic connecting piece is connected with the connecting columns, and the other end is connected with the methane sensor, so that the methane sensor is suspended.

[0009] According to an embodiment of the utility model, a damping seat is further arranged in the first mounting area, and the sensor electric control board is installed in the damping seat.

[0010] According to an embodiment of the utility model, the shock absorbing seat is U-shaped, the U-shaped shock absorbing seat is provided with an upward opening, and the left and right side edges and the lower edge of the sensor electric control board are connected with the corresponding edges of the U-shaped shock absorbing seat respectively.

[0011] According to an embodiment of the utility model, the first installation groove is arranged on the surface of the left side edge and the right side edge of the shock absorbing seat which are arranged oppositely, the second installation groove is arranged on the upper surface of the bottom edge of the shock absorbing seat, the left end and the right end of the second installation groove are communicated with the first installation grooves of the corresponding sides respectively, the left and right side edges and the lower edge of the sensor electric control board are installed in the first installation groove and the second installation groove respectively, and the first installation groove and the second installation groove are matched with the thickness of the sensor electric control board.

[0012] According to an embodiment of the utility model, a buzzer is arranged on the sensor electric control board, and the buzzer is used for early warning when the detection result of the methane sensor exceeds the standard.

[0013] According to an embodiment of the utility model, a carbon monoxide sensor is further arranged on the sensor electric control board, and the carbon monoxide sensor is used for detecting the carbon monoxide concentration in the air.

[0014] According to an embodiment of the utility model, a PM2.5 detector is further included, the PM2.5 detector has an air suction side and an air exhaust side, a second installation area is further arranged in the installation cavity, the PM2.5 detector is installed in the installation cavity, the part of the PM2.5 detector provided with the air suction side is located in the second installation area, the part of the PM2.5 detector provided with the air exhaust side is located in the first installation area, and the airflow in the first installation area and the second installation area is communicated through the PM2.5 detector.

[0015] According to an embodiment of the utility model, a sealing member is further included, the sealing member is arranged around the upper edge of the sensor box, and the sealing member is provided with at least an avoiding opening which is aligned with the first installation area and the second installation area.

[0016] A smoke machine adopts the above sensor installation structure, and the smoke machine comprises a smoke machine main body, the smoke machine main body has an electric control cavity, the sensor box is fixedly connected to the top plate of the electric control cavity, the top plate of the electric control cavity is provided with a detection hole, and the detection hole is communicated with the installation cavity of the sensor box.

[0017] Compared with the prior art, the sensor assembly of the utility model has the following advantages:

[0018] The sensor assembly of the utility model, the installation position of the sensor electric control board is provided with an elastic connecting piece, the methane sensor is installed on the elastic connecting piece, the elastic connecting piece can protect the methane sensor, reduce the influence of the vibration of the smoke exhaust fan on the methane sensor when the smoke machine is running, and reduce the failure probability of the methane sensor. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A structure diagram of the sensor assembly of the utility model;

[0020] Figure 2 An exploded view of the sensor assembly of the utility model;

[0021] Figure 3 A structure diagram of the range hood with the sensor assembly of the utility model;

[0022] Figure 4 A sectional view of the range hood with the sensor assembly of the utility model;

[0023] Figure 5 A Figure 4 An enlarged view of A in the middle;

[0024] In the figure: 1. sensor box, 11. first mounting area, 12. second mounting area, 2. sensor electric control board, 21. elastic connecting piece, 22. connecting column, 3. methane sensor, 4. shock absorbing seat, 5. buzzer, 6. carbon monoxide sensor, 7. PM2.5 detector, 8. sealing element, 9. range hood main body, 91. detection hole, 92. support frame, 93. elastic element.

[0025] The function realization and advantages of the utility model will be further explained in combination with embodiments and with reference to the drawings. DETAILED DESCRIPTION

[0026] In the following, a plurality of embodiments of the utility model will be disclosed with reference to the drawings. For the purpose of clear illustration, many practical details will be described in the following description. However, it should be understood that these practical details should not be used to limit the utility model. That is, in some embodiments of the utility model, these practical details are not necessary. In addition, for the purpose of simplifying the drawings, some conventional structures and components will be drawn in a simple schematic manner in the drawings.

[0027] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0028] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and does not mean to particularly indicate the order or sequence, nor to limit the present application, which is only to distinguish the components or operations described by the same technical terms, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor in the protection scope required by the present application.

[0029] In order to further understand the content, characteristics and effects of the present application, the following examples are given, and the details are described as follows with reference to the drawings:

[0030] Please refer to Figure 1 and Figure 2 The utility model discloses a sensor mounting structure, the utility model discloses a sensor assembly for range hood, including sensor box 1, sensor electric control board 2 and methane sensor 3, sensor box 1 is equipped with installation cavity, and installation cavity communicates with outside air, and at least first installation area 11 is equipped in installation cavity, and the air that enters installation cavity at least flows through first installation area 11, sensor electric control board 2 is installed in first installation area 11, and sensor electric control board 2 is equipped with installation site, and is equipped with elastic connecting piece 21 on installation site, methane sensor 3 is installed on elastic connecting piece 21, the sensor mounting structure of the utility model, the installation site of sensor electric control board 2 is equipped with elastic connecting piece 21, and methane sensor 3 is installed on elastic connecting piece 21, and elastic connecting piece 21 can play the protection effect to methane sensor 3, reduce the influence of the vibration of exhaust fan when range hood operates to methane sensor 3, reduce the failure probability of methane sensor 3.

[0031] Please refer to Figure 1 and Figure 2The utility model discloses a sensor mounting structure, be equipped with a plurality of connecting post 22 on the installation position of sensor electric control board 2, and one end of elastic connecting piece 21 is connected with connecting post 22, and the other end is connected with methane sensor 3, so that methane sensor is suspended. When the exhaust fan of the smoke machine is running, the vibration of the exhaust fan is transmitted to the sensor box 1 and the sensor electric control board 2, the sensor electric control board 2 generates vibration, and since the methane sensor 3 is suspended through the elastic connecting piece 21, the elastic connecting piece 21 of the methane sensor 3 buffers the vibration, avoiding the vibration of the methane sensor 3. In the illustrated embodiment, the elastic connecting piece 21 adopts a spring, one end of the spring is connected with the connecting post 22, and the other end of the spring is connected with the methane sensor 3. In order to make the methane sensor 3 stable, four connecting posts 22 are arranged on the installation position of the sensor electric control board 2, and a spring is arranged on each connecting post 22, and the four springs are connected with the methane sensor 3 from the four corners of the methane sensor 3, so that the methane sensor 3 is stably stressed.

[0032] Please refer to Figure 1 and Figure 2 The utility model discloses a sensor mounting structure, still be equipped with damping seat 4 in first installation area 11, and sensor electric control board 2 is installed in damping seat 4. The utility model discloses a sensor mounting structure, methane sensor 3 is installed on sensor electric control board 2, and sensor electric control board 2 is installed in first installation area 11 of sensor box 1 through damping seat 4, and damping seat 4 can protect methane sensor 3 through the damping of sensor electric control board 2, and methane sensor 3 is installed on sensor electric control board 2 through elastic connecting piece 21, which can reduce the influence of the vibration of the exhaust fan on methane sensor 3 when the smoke machine is running.

[0033] The utility model discloses a sensor assembly, damping seat 4 adopts the material that can be made into, such as bubble cotton or shock -absorbing rubber etc. elastic deformation.

[0034] The utility model discloses a sensor mounting structure, methane sensor 3 is installed on sensor electric control board 2, and sensor electric control board 2 can supply power for methane sensor 3 and accept the detection result of methane sensor 3;When applied to the smoke machine, sensor box 1 is installed in the electric control cavity of the smoke machine, and the air outside the electric control cavity can enter sensor box 1 and flow through first installation area 11, and when flowing through first installation area 11, the outside air is detected by methane sensor 3, and the detection result of methane sensor 3 represents the content of methane in the air, when methane sensor 3 detects that the content of methane in the air exceeds the standard, it represents that there is gas leakage in the air, at this time, the detection result of methane sensor 3 is sent to sensor electric control board 2, sensor electric control board 2 is connected with the control board of the smoke machine, and the smoke machine can issue a warning to remind the user.

[0035] Please refer to Figure 1 and Figure 2The utility model discloses a sensor mounting structure, and the shock absorbing seat 4 is U-shaped, and the U-shaped shock absorbing seat 4 is provided with an upward opening, and the left and right side edges and the lower edge of the sensor electric control board 2 are connected with the corresponding edges of the U-shaped shock absorbing seat 4 respectively.

[0036] The utility model discloses a sensor mounting structure, and the left side and the right side of the shock absorbing seat 4 are provided with the first installation groove on the surface of relative correspondence, and the upper surface of the bottom edge of the shock absorbing seat 4 is provided with the second installation groove, and the left end and the right end of the second installation groove are communicated with the first installation groove of corresponding side respectively, and the left and right side edges and the lower edge of the sensor electric control board 2 are installed in the first installation groove and the second installation groove respectively, and the first installation groove and the second installation groove are adapted with the thickness of the sensor electric control board 2. When the sensor electric control board 2 is installed in the shock absorbing seat 4, the left side, the right side and the lower side of the sensor electric control board 2 are clamped in the first installation groove and the second installation groove, so that the sensor electric control board 2 is installed more firmly in the shock absorbing seat 4.

[0037] Please refer to Figure 2 The utility model discloses a sensor mounting structure, and the sensor electric control board 2 is provided with the buzzer 5, and the buzzer 5 is used for early warning when the detection result of the methane sensor 3 is over standard. After the sensor mounting structure is applied to the range hood, the methane sensor 3 detects the methane concentration in air during the operation of the range hood, judges whether the gas leaks, and the methane sensor 3 transmits the detection information to the sensor electric control board 2, when the detection value is over standard, the sensor electric control board 2 makes the buzzer 5 alarm to remind the user to detect the gas.

[0038] Please refer to Figure 2The sensor installation structure of the utility model, still be equipped with one carbon monoxide sensor 6 on sensor electric control board 2, carbon monoxide sensor 6 is used for detecting the carbon monoxide concentration in air.In the case of insufficient gas combustion, the carbon monoxide content in air will increase, when the carbon monoxide content exceeds a certain value, it will affect human health, the sensor installation structure of the utility model, carbon monoxide sensor 6 is arranged on sensor electric control board 2, carbon monoxide sensor 6 detects the carbon monoxide content in air.When the sensor installation structure is applied to the range hood, the air outside the range hood enters the installation cavity of sensor box 1, at least flows through first installation area 11, is detected by methane sensor 3 and carbon monoxide sensor 6 when flowing through first installation area 11, methane sensor 3 can judge whether the air in the kitchen space mixes methane, to judge whether gas leaks, carbon monoxide sensor 6 can judge whether the air in the kitchen space mixes carbon monoxide, to judge whether the gas is fully combusted, can guarantee cooking safety.Methane sensor 3 and carbon monoxide sensor 6 all transmit detection information to sensor electric control board 2, when the detection value is overproof, sensor electric control board 2 makes buzzer 5 alarm.

[0039] Please refer to Figure 2 The sensor installation structure of the utility model further includes PM2.5 detector 7, PM2.5 detector 7 has air suction side and air exhaust side, second installation area 12 is further provided in the installation cavity, PM2.5 detector 7 is installed in the installation cavity, the part of PM2.5 detector 7 provided with air suction side is located in second installation area 12, the part of PM2.5 detector 7 provided with air exhaust side is located in first installation area 11, the airflow in first installation area 11 and second installation area 12 is communicated through PM2.5 detector 7.When PM2.5 detector 7 starts, external air enters second installation area 12, is detected by PM2.5 detector 7 and is discharged from the air exhaust side of PM2.5 detector 7 to first installation area 11, the airflow flowing in first installation area 11 is detected by methane sensor 3 and carbon monoxide sensor 6 respectively.PM2.5 detector 7 is used for detecting the PM2.5 content in air, the index is used for judging the purification effect of range hood on oil fume, so that the user can adjust the operation power of the exhaust fan of range hood according to the detection result, or the control module of range hood automatically adjusts the operation power of the exhaust fan of range hood according to the detection result of PM2.5 detector 7.

[0040] Please refer to Figure 1 And Figure 2The sensor mounting structure further comprises a sealing piece 8, the sealing piece 8 is arranged around the upper edge of the sensor box 1, and the sealing piece 8 is provided with at least a bypass opening which is aligned with the first mounting area 11 and the second mounting area 12. When the sensor mounting structure is applied to the range hood, the sensor box 1 is mounted on the top plate of the electric control cavity of the range hood, the sealing piece 8 is pressed between the top plate of the electric control cavity and the upper edge of the sensor box 1, when the PM2.5 detector 7 is started, the small fan inside the PM2.5 detector 7 sucks the air in the second mounting area 12, so that negative pressure is formed in the second mounting area 12, the air outside the electric control cavity enters the second mounting area 12 through the bypass opening which is aligned with the second mounting area 12, the air sucked by the PM2.5 detector 7 is discharged to the first mounting area 11 through the air outlet side of the PM2.5 detector 7, so that positive pressure is formed in the first mounting area 11, and the air in the first mounting area 11 flows through the methane sensor 3 and the carbon monoxide sensor 6 in the process of being discharged through the bypass opening corresponding to the first mounting area 11 and is detected by the methane sensor 3 and the carbon monoxide sensor 6. The sealing piece 8 is arranged, so that the first mounting area 11 and the second mounting area 12 of the sensor box 1 can only be in gas communication through the PM2.5 detector 7.

[0041] The sensor mounting structure, the air outlet side of the PM2.5 detector 7 is arranged towards the sensor electric control board 2. When the air after being detected by the PM2.5 detector 7 is discharged to the first mounting area 11, the air directly blows towards the methane sensor 3 and the carbon monoxide sensor 6, so that the methane sensor 3 and the carbon monoxide sensor 6 can make rapid feedback on the external air quality.

[0042] Please refer to Figures 3 to 5 The utility model discloses a kind of range hoods, and the range hood disclosed by the utility model adopts the above-mentioned sensor mounting structure, including range hood main body 9, range hood main body 9 has electric control cavity, sensor box 1 is fixedly connected on the top plate of electric control cavity, and the top plate of electric control cavity is provided with detection hole 91, detection hole 91 is communicated with the installation cavity of sensor box 1.In the range hood with PM2.5 detector 7, sensor box 1 installation cavity is divided into second mounting area 12 and first mounting area 11, part of detection hole 91 is aligned with second mounting area 12, as detection inlet hole, another part is aligned with first mounting area 11, as detection outlet hole.When PM2.5 detector 7 is started, the air outside electric control cavity enters second mounting area 12 through detection inlet hole, enters PM2.5 detector 7 from the air inlet side of PM2.5 detector 7, is detected, is discharged through the air outlet side of PM2.5 detector 7 and enters first mounting area 11, is discharged through first mounting area 11, is detected by methane sensor 3 and carbon monoxide sensor 6, when methane or / and carbon monoxide is overproof, buzzer 5 alarms.

[0043] Please refer to Figure 5The smoke machine is characterized in that a supporting frame 92 is arranged in the electric control cavity, the sensor box 1 is arranged between the supporting frame 92 and the top plate of the electric control cavity, and an elastic piece 93 is arranged between the sensor box 1 and the supporting frame 92.

[0044] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement or improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A sensor mounting structure for a range hood, characterized by, The utility model relates to a sensor box, a sensor electric control board and a PM2.5 detector. The sensor box (1) is provided with a mounting cavity in communication with external air, and at least a first mounting area (11) is arranged in the mounting cavity, and air entering the mounting cavity flows through the first mounting area (11). The sensor electric control board (2) is arranged in the first mounting area (11), and the sensor electric control board (2) is provided with a mounting position, and an elastic connecting piece (21) is arranged on the mounting position. The methane sensor (3) is arranged on the elastic connecting piece (21).

2. The sensor mounting structure according to claim 1, characterized by A plurality of connecting columns (22) are arranged on the mounting position of the sensor electric control board (2), one end of the elastic connecting piece (21) is connected to the connecting column (22), and the other end is connected to the methane sensor (3), so that the methane sensor is suspended.

3. The sensor mounting structure according to claim 1, characterized by A damping seat (4) is further arranged in the first mounting area (11), and the sensor electric control board (2) is arranged in the damping seat (4).

4. The sensor mounting structure according to claim 3, characterized by The damping seat (4) is U-shaped, the U-shaped damping seat (4) is provided with an upward opening, and the left and right side edges and the lower edge of the sensor electric control board (2) are connected to the corresponding sides of the U-shaped damping seat (4) respectively.

5. The sensor mounting structure according to claim 4, characterized by First mounting grooves are arranged on the opposite surfaces of the left and right side edges of the damping seat (4), a second mounting groove is arranged on the upper surface of the bottom edge of the damping seat (4), the left end and the right end of the second mounting groove are in communication with the first mounting grooves on the corresponding sides, the left and right side edges and the lower edge of the sensor electric control board (2) are arranged in the first mounting grooves and the second mounting groove respectively, and the first mounting grooves and the second mounting groove are matched with the thickness of the sensor electric control board (2).

6. The sensor mounting structure according to claim 1, characterized by A buzzer (5) is arranged on the sensor electric control board (2), and the buzzer (5) is used for early warning when the detection result of the methane sensor (3) exceeds the standard.

7. The sensor mounting structure according to claim 1, characterized by A carbon monoxide sensor (6) is further arranged on the sensor electric control board (2), and the carbon monoxide sensor (6) is used for detecting the carbon monoxide concentration in air.

8. The sensor mounting structure according to claim 1, characterized by A PM2.5 detector (7) is further arranged, the PM2.5 detector (7) has an air suction side and an air exhaust side, a second mounting area (12) is further arranged in the mounting cavity, the PM2.5 detector (7) is arranged in the mounting cavity, the part of the PM2.5 detector (7) on the air suction side is arranged in the second mounting area (12), the part of the PM2.5 detector (7) on the air exhaust side is arranged in the first mounting area (11), and the air flow in the first mounting area (11) and the second mounting area (12) is communicated through the PM2.5 detector (7).

9. The sensor mounting structure according to claim 8, characterized by A sealing piece (8) is further arranged around the upper edge of the sensor box (1), and the sealing piece (8) is provided with at least an avoiding opening opposite to the first mounting area (11) and the second mounting area (12).

10. A hood employing the sensor mounting structure according to any one of claims 1 to 9, characterized by The smoke machine main body (9) has an electric control cavity, the sensor box (1) is fixedly connected to the top plate of the electric control cavity, the top plate of the electric control cavity is provided with a detection hole (91), and the detection hole (91) is communicated with the mounting cavity of the sensor box (1).

Images