Sensor assembly and range hood with same

Abstract

The utility model relates to the technical field of range hoods, and discloses a sensor assembly and a range hood with the same, the sensor assembly comprises a sensor box, the sensor box is provided with a mounting cavity, and the mounting cavity is communicated with external air; the sensor seat comprises a fixed support and a damping seat, and the damping seat is mounted in the mounting cavity through the fixed support; the methane sensor is mounted in the damping seat; compared with the prior art, the sensor assembly has the advantages that the methane sensor is mounted on the shock-absorbing seat, and then the shock-absorbing seat is fixed in the mounting cavity of the sensor box through the fixing bracket, so that the shock-absorbing seat can play a role in protecting the methane sensor, and the influence of the vibration of a smoke exhaust fan on the methane sensor during the operation of the smoke exhaust fan is reduced; 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 subassembly 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, the semiconductor detection sheet is provided with a heating 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, the welding point of the heating sheet and the heating wire connecting line is loosened and cracks, and the methane sensor is disabled. SUMMARY

[0003] The utility model discloses a sensor subassembly and have its range hood, which are used to solve the above technical problems.

[0004] A sensor subassembly for a range hood includes:

[0005] A sensor box is provided with a mounting cavity, and the mounting cavity is in communication with external air.

[0006] A sensor seat includes a fixing support and a damping seat, and the fixing support installs the damping seat in the mounting cavity.

[0007] A methane sensor is installed in the damping seat.

[0008] According to an embodiment of the utility model, the number of damping seats is two, each damping seat is provided with a mounting slot, and two ends of the methane sensor are inserted into the mounting slot and supported by the mounting slot.

[0009] According to an embodiment of the utility model, a limiting block is arranged on the top surface of the mounting slot, and the limiting block extrudes the methane sensor when the methane sensor is installed in the mounting slot.

[0010] According to an embodiment of the utility model, a deformation slot is further arranged on the damping seat, the deformation slot penetrates the bottom surface of the damping seat downward and is in communication with the mounting slot upward.

[0011] According to an embodiment of the utility model, install the cavity inside be equipped with connecting post, the number of connecting post is two, the both ends of fixed bolster are equipped with connecting portion, the fixed bolster is equipped with the avoiding slot of avoiding methane sensor, connecting portion is connected with connecting post and make fixed bolster pressure bonding to the damping seat, the avoiding slot avoids methane sensor.

[0012] According to an embodiment of the utility model, still include PM2.5 detection module, install the cavity includes air inlet chamber and exhaust chamber, air inlet chamber and exhaust chamber have the communicating passage, PM2.5 detection module is located in the communicating passage, air inlet chamber and exhaust chamber are communicated by PM2.5 detection module gas, PM2.5 detection module has air inlet side and exhaust side, air inlet side is located in air inlet chamber, exhaust side is located in exhaust chamber, when PM2.5 detection module starts, external air enters air inlet chamber, is detected after being detected by PM2.5 detection module from the exhaust side of PM2.5 detection module and is discharged to exhaust chamber, then is discharged by exhaust chamber.

[0013] According to an embodiment of the utility model, sensor box includes box body and box cover, box body is equipped with air inlet chamber and exhaust chamber, box cover is located on the box body, and the air inlet of box cover is equipped with the air inlet chamber intercommunication and the exhaust port of exhaust chamber intercommunication.

[0014] According to an embodiment of the utility model, still include sensor electric control board, sensor electric control board is located in exhaust chamber, sensor electric control board leads out terminal and is connected with methane sensor through connecting wire.

[0015] According to an embodiment of the utility model, still include carbon monoxide sensor and buzzer, carbon monoxide sensor and buzzer are integrated on sensor electric control board.

[0016] A kind of range hood, adopt above-mentioned sensor assembly, including range hood main body, range hood main body has electric control cavity, sensor box is fixedly connected on the top plate of electric control cavity, and the top plate of electric control cavity is equipped with detection hole, and detection hole is communicated with the installation cavity of sensor box.

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

[0018] The sensor assembly of the utility model, sensor seat includes fixed bolster and damping seat, methane sensor is installed to the damping seat, then the damping seat is fixed to the installation cavity of sensor box by fixed bolster, damping seat can protect methane sensor, reduce the influence of the vibration of exhaust fan on methane sensor when range hood runs, reduce the failure probability of methane sensor. ACCURACY OF DRAWINGS

[0019] Figure 1 It is the structural diagram of sensor assembly of the utility model;

[0020] Figure 2 A sectional view of the sensor assembly of the utility model;

[0021] Figure 3 An exploded view of the sensor assembly of the utility model;

[0022] Figure 4 A structure diagram of the damping seat of the sensor assembly of the utility model;

[0023] Figure 5 A structure diagram of the range hood with the sensor assembly of the utility model;

[0024] Figure 6 A sectional view of the range hood with the sensor assembly of the utility model;

[0025] In the figure: 1. sensor box, 11. air inlet chamber, 12. air outlet chamber, 121. connecting column, 13. box body, 14. box cover, 141. air inlet, 142. air outlet, 15. sensor electric control board, 2. sensor seat, 21. fixed support, 211. connecting part, 212. avoiding groove, 22. damping seat, 221. mounting groove, 222. limiting block, 223. deformation groove, 3. methane sensor, 4. PM2.5 detection module, 5. sensor electric control board, 6. carbon monoxide sensor, 7. buzzer, 8. range hood main body, 81. detection hole.

[0026] 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

[0027] In the following, a plurality of embodiments of the utility model will be disclosed by means of drawings, and many practical details will be described in the following description for the purpose of clear illustration. 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 shown in a simple schematic manner in the drawings.

[0028] 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), and if the specific posture changes, the directional indications will also change accordingly.

[0029] 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 merely 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 be explicitly or implicitly included at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but must be based on the realization of 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.

[0030] 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:

[0031] Please refer to Figures 1 to 4 The utility model discloses a sensor assembly, the utility model discloses a sensor assembly for range hood, including sensor box 1, sensor seat 2 and methane sensor 3, sensor box 1 is equipped with installation cavity, and installation cavity communicates with external air, sensor seat 2 includes fixed bolster 21 and shock pad 22, and fixed bolster 21 installs shock pad 22 in installation cavity, and methane sensor 3 is installed in shock pad 22, the sensor seat 2 of sensor assembly of the utility model includes fixed bolster 21 and shock pad 22, installs methane sensor 3 to shock pad 22, then through fixed bolster 21, shock pad 22 is fixed in the installation cavity of sensor box 1, and shock pad 22 can play the protection effect to methane sensor 3, reduces the influence of the vibration of range hood exhaust fan when range hood runs to methane sensor 3, reduces the failure probability of methane sensor 3.

[0032] The sensor assembly of the utility model, when being applied to range hood, is installed in the electric control cavity of range hood, and the installation cavity of sensor box 1 communicates with the air outside range hood, when the air outside range hood enters the installation cavity of sensor box 1, is detected by methane sensor 3, can judge whether the air in kitchen space mixes methane, judges whether gas leaks, can guarantee cooking safety.

[0033] The sensor assembly of the utility model, shock pad 22 is made of the material that can be elastically deformed, such as foam, sponge, foam and rubber.

[0034] Please refer to Figure 2 And Figure 3The sensor assembly of the utility model, the number of shock-absorbing seat 22 is two, each shock-absorbing seat 22 is equipped with mounting groove 221, and the two ends of methane sensor 3 are inserted into mounting groove 221 and are supported by mounting groove 221.In specific application, the width of mounting groove 221 is adapted to the width of methane sensor 3, and after methane sensor 3 is installed into mounting groove 221, methane sensor 3 will not shake in mounting groove 221.

[0035] As shown in Figure 2 And Figure 3 The methane sensor 3 has a sensor circuit board and a detection head, and the detection head is a pipe component for detecting methane, and the detection head is arranged on the sensor circuit board.The sensor assembly of the utility model is provided with two shock-absorbing seats 22, and the two shock-absorbing seats 22 support methane sensor 3 from both ends of the sensor circuit board of methane sensor 3, so that the detection head of methane sensor 3 can be prevented from being pressed by shock-absorbing seat 22.

[0036] As shown in Figure 4 The sensor assembly of the utility model is provided with limiting block 222 on the top surface of mounting groove 221, and when methane sensor 3 is installed in mounting groove 221, limiting block 222 presses methane sensor 3.Limiting block 222 limits methane sensor 3 from above the part of methane sensor 3 supported in mounting groove 221, further ensuring the stability of methane sensor 3 installed in mounting groove 221.

[0037] As shown in Figure 2 And Figure 4 The sensor assembly of the utility model is provided with deformation groove 223 on shock-absorbing seat 22, and deformation groove 223 penetrates the bottom surface of shock-absorbing seat 22 downward and communicates with mounting groove 221 upward.The addition of deformation groove 223 can make the deformation effect of shock-absorbing seat 22 better, and can ensure the shock-absorbing effect.

[0038] As shown in Figure 2 And Figure 4 The sensor assembly of the utility model is provided with deformation groove 223 on shock-absorbing seat 22, and deformation groove 223 penetrates the bottom surface of shock-absorbing seat 22 downward and communicates with mounting groove 221 upward.The addition of deformation groove 223 can make the deformation effect of shock-absorbing seat 22 better, and can ensure the shock-absorbing effect.

[0039] As shown in Figure 2The sensor assembly of the utility model, the connecting column 121 is equipped in the installation cavity, the number of connecting column 121 is two, the both ends of fixed bolster 21 are equipped with connecting portion 211, the fixed bolster 21 is equipped with the avoiding slot 212 of avoiding methane sensor 3, connecting portion 211 is connected with connecting column 121 and makes fixed bolster 21 pressure bonding to the shock absorbing seat 22, and the avoiding slot 212 avoids methane sensor 3. Figure 2 And Figure 3 As shown in the methane sensor 3 has sensor circuit board and detection head, and the detection head is the pipe component of detecting methane, and the detection head is arranged on the sensor circuit board, when the fixed bolster 21 fixes the shock absorbing seat 22 into the installation cavity, the fixed bolster 21 covers the shock absorbing seat 22 from the top of the shock absorbing seat 22, and the detection head of methane sensor 3 protrudes from the avoiding slot 212, so that the detection head of methane sensor 3 can be avoided from being extruded by the fixed bolster 21.

[0040] Please refer to Figure 2 And Figure 3 The sensor assembly of the utility model further includes PM2.5 detection module 4, the installation cavity includes air inlet chamber 11 and air outlet chamber 12, the air inlet chamber 11 and air outlet chamber 12 have a communication passage, the PM2.5 detection module 4 is arranged in the communication passage, the air inlet chamber 11 and air outlet chamber 12 are gas-connected through the PM2.5 detection module 4, the PM2.5 detection module 4 has an air inlet side and an air outlet side, the air inlet side is located in the air inlet chamber 11, and the air outlet side is located in the air outlet chamber 12, when the PM2.5 detection module 4 is started, external air enters the air inlet chamber 11, is detected by the PM2.5 detection module 4, is discharged from the air outlet side of the PM2.5 detection module 4 to the air outlet chamber 12, and then is discharged from the air outlet chamber 12. When applied to a range hood, the PM2.5 detection module 4 is integrated into the sensor box 1, space can be saved, and by installing the sensor box 1 into the electric control cavity of the range hood, the PM2.5 detection module 4 and the methane sensor 3 can be simultaneously installed on the range hood.

[0041] The sensor assembly of the utility model, the methane sensor 3 can be installed into the air inlet chamber 11 or the air outlet chamber 12. When installed into the air inlet chamber 11, when the PM2.5 detection module 4 is started, under the action of the PM2.5 detection module 4, external air enters the air inlet chamber 11, is detected by the methane sensor 3, is simultaneously detected by the PM2.5 detection module 4, and then the PM2.5 detection module 4 discharges the detected air to the air outlet chamber 12, and the air in the air outlet chamber 12 is discharged from the air outlet chamber 12.

[0042] In Figure 2 And Figure 3In the shown embodiment, the methane sensor 3 is installed in the exhaust chamber 12, and the air after being detected by the PM2.5 detection module 4 enters the exhaust chamber 12 and is detected by the methane sensor 3 during the process of being exhausted from the exhaust chamber 12.

[0043] Please refer to Figures 1 to 3 The sensor assembly of the utility model, the sensor box 1 includes the box body 13 and the box cover 14, the box body 13 is equipped with the air inlet chamber 11 and the exhaust chamber 12, the box cover 14 is covered on the box body 13, and the box cover 14 is equipped with the air inlet 141 communicated with the air inlet chamber 11 and the exhaust port 142 communicated with the exhaust chamber 12. When the PM2.5 detection module 4 starts, under the action of the PM2.5 detection module 4, the external air enters the air inlet chamber 11 through the air inlet 141, then enters the PM2.5 detection module 4 and is detected by the PM2.5 detection module 4, the air after being detected by the PM2.5 detection module 4 is exhausted to the exhaust chamber 12, and the process of being exhausted from the exhaust chamber 12 is detected by the methane sensor 3, and finally is exhausted through the exhaust port 142.

[0044] Please refer to Figure 2 And Figure 3 The sensor assembly of the utility model further includes the sensor electric control board 5, the sensor electric control board 5 is installed in the exhaust chamber 12, the sensor electric control board 5 leads out the terminal, and is connected with the methane sensor 3 through the connecting wire. The sensor electric control board 5 can be used to receive the signal sent by the methane sensor 3, and can also be used to power the methane sensor 3.

[0045] Please refer to Figure 2 And Figure 3 The sensor assembly of the utility model further includes the carbon monoxide sensor 6 and the buzzer 7, and the carbon monoxide sensor 6 and the buzzer 7 are integrated on the sensor electric control board 5. After the sensor assembly is applied to the range hood, during the operation of the range hood, the carbon monoxide sensor 6 detects the carbon monoxide concentration, judges whether the gas combustion is sufficient through the carbon monoxide concentration, judges whether the carbon monoxide concentration of the air will affect the health of the user, the methane sensor 3 detects the methane concentration in the air, judges whether the gas leaks, and the methane sensor 3 and the carbon monoxide sensor 6 both transmit the detection information to the sensor electric control board 5, when the detection value exceeds the standard, the sensor electric control board 5 makes the buzzer 7 alarm.

[0046] Please refer to Figure 5 And Figure 6The utility model discloses a kind of smoke machines, the utility model discloses smoke machine using above-mentioned sensor assembly, including smoke machine main body 8, smoke machine main body 8 has electric control cavity, sensor box 1 is fixedly connected on the top plate of electric control cavity, the top plate of electric control cavity is equipped with detection hole 81, detection hole 81 is communicated with the installation cavity of sensor box 1.In when smoke machine has PM2.5 detection module 4, sensor box 1 installation cavity is divided into air inlet chamber 11 and exhaust chamber 12, detection hole 81 part is aligned with air inlet chamber 11, as detection air inlet, another part is aligned with exhaust chamber 12, as detection exhaust hole.PM2.5 detection module 4 starts, air outside electric control cavity enters air inlet chamber 11 through detection air inlet, enters PM2.5 detection module 4 from the air inlet side of PM2.5 detection module 4, after being detected, exhaust through the air outlet side of PM2.5 detection module 4 and enter exhaust chamber 12, when exhaust through exhaust chamber 12, be detected by methane sensor 3 and carbon monoxide sensor 6, when methane or / and carbon monoxide is overproof, buzzer 7 alarm.

[0047] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement or improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A sensor assembly for a range hood, comprising: Include: Sensor box (1), the sensor box (1) is provided with an installation cavity, the installation cavity is communicated with external air; Sensor seat (2), the sensor seat (2) includes fixed support (21) and shock absorbing seat (22), the fixed support (21) installs the shock absorbing seat (22) in the installation cavity; Methane sensor (3), the methane sensor (3) is installed in the shock absorbing seat (22).

2. The sensor assembly of claim 1, wherein, The number of the shock absorbing seat (22) is two, each of the shock absorbing seat (22) is provided with a mounting groove (221), both ends of the methane sensor (3) are inserted into the mounting groove (221) and supported by the mounting groove (221).

3. The sensor assembly of claim 2, wherein, The top surface of the mounting groove (221) is provided with a limiting block (222), when the methane sensor (3) is installed in the mounting groove (221), the limiting block (222) extrudes the methane sensor (3).

4. The sensor assembly of claim 2, wherein, The shock absorbing seat (22) is also provided with a deformation groove (223), the deformation groove (223) penetrates the bottom surface of the shock absorbing seat (22) downward and communicates with the mounting groove (221) upward.

5. The sensor assembly of claim 1, wherein, The installation cavity is provided with a connecting column (121), the number of the connecting column (121) is two, the both ends of the fixed support (21) are provided with a connecting part (211), the fixed support (21) is provided with an avoiding groove (212) avoiding the methane sensor (3), the connecting part (211) is connected with the connecting column (121) and makes the fixed support (21) crimped to the shock absorbing seat (22), the avoiding groove (212) avoids the methane sensor (3).

6. The sensor assembly of claim 1, wherein, It also includes a PM2.5 detection module (4), the installation cavity includes an air inlet chamber (11) and an air outlet chamber (12), the air inlet chamber (11) and the air outlet chamber (12) have a communication channel, the PM2.5 detection module (4) is arranged in the communication channel, the air inlet chamber (11) and the air outlet chamber (12) are in gas communication through the PM2.5 detection module (4), the PM2.5 detection module (4) has an air inlet side and an air outlet side, the air inlet side is located in the air inlet chamber (11), and the air outlet side is located in the air outlet chamber (12), when the PM2.5 detection module (4) is started, external air enters the air inlet chamber (11), is detected by the PM2.5 detection module (4), is discharged from the air outlet side of the PM2.5 detection module (4) to the air outlet chamber (12), and then is discharged by the air outlet chamber (12).

7. The sensor assembly of claim 6, wherein, The sensor box (1) includes a box body (13) and a box cover (14), the box body (13) is provided with the air inlet chamber (11) and the air outlet chamber (12), the box cover (14) is arranged on the box body (13), the box cover (14) is provided with an air inlet (141) communicated with the air inlet chamber (11) and an air outlet (142) communicated with the air outlet chamber (12).

8. The sensor assembly of claim 6, wherein, Also include sensor electric control board (5), sensor electric control board (5) is located in the exhaust chamber (12), the sensor electric control board (5) is led out and is connected with the methane sensor (3) through the connecting line.

9. The sensor assembly of claim 8, wherein, Also include carbon monoxide sensor (6) and buzzer (7), carbon monoxide sensor (6) and buzzer (7) are integrated on the sensor electric control board (5).

10. A range hood employing the sensor assembly according to any one of claims 1 to 9, characterized in that, Include smoke machine main body (8), smoke machine main body (8) has electric control cavity, sensor box (1) is fixedly connected on the top plate of electric control cavity, the top plate of electric control cavity is equipped with detection hole (81), detection hole (81) is communicated with the installation cavity of sensor box (1).

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