Exhaust elite

Abstract

The utility model discloses an exhaust device which comprises a lower cover, a detachable upper cover is arranged above the lower cover, the upper cover comprises an annular portion and a dome portion which are integrally formed, and a first through hole is formed in the middle of the dome portion. The dome part is provided with a plurality of kidney-shaped second through holes distributed in a circumferential array mode in the outer ring area of the first through hole, the dome part is provided with densely-distributed third through holes which are turned outwards in the direction away from the annular part in the outer ring area of the second through holes, and a mounting plate is fixed to the face, away from the first convex column, of the lower cover; a smoke sensor and a temperature and humidity sensor are installed in the lower cover. Smoke and temperature and humidity conditions in the environment can be read through the smoke sensor and the temperature and humidity sensor and then can be fed back to the controller, the exhaust fan is controlled to be started and stopped through the controller, the temperature and humidity or smoke combustible gas concentration can be reduced, and risks are reduced.

Description

Technical Field

[0001] The utility model belongs to the field of detection technology, and specifically relates to an exhaust spirit. Background Art

[0002] Exhaust fans are mostly installed in kitchens or other places with gas environment requirements. Currently, they mainly rely on manual sensing of the gas conditions in the environment, and then manually adjust the operation or power of the exhaust fan, which is inefficient and wastes manpower.

[0003] The existing Chinese patent with publication number CN209198975U discloses a kitchen exhaust control device, wherein the kitchen exhaust control device includes a power input interface, a power switch, a power conversion module, a microcontroller, a thyristor drive module, a thyristor module, a power output interface electrically connected in sequence, and also includes a sensor module electrically connected to the microcontroller. It can be seen that, using the utility model scheme, the microcontroller generates a control signal according to the gas concentration value and / or temperature value of the kitchen, generates a thyristor drive current signal according to the control signal, adjusts the thyristor module to be turned on or off according to the thyristor drive current signal, generates a voltage regulation signal, thereby adjusting the AC voltage value of the power output interface, and further adjusting the power size of the exhaust device, so as to achieve the purpose of automatic exhaust according to the actual situation of the kitchen.

[0004] The above-mentioned patent and the current technology have some advantages respectively, but still have the following disadvantages, such as: not providing an exhaust spirit that is easy to install, easy to control, and easy to disassemble and assemble. Utility Model Content

[0005] The purpose of the utility model is to provide an exhaust spirit to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an exhaust spirit, including a lower cover, a detachable upper cover is arranged above the lower cover, including an upper cover including an integrally formed annular portion and a dome portion, a first through hole is opened in the middle of the dome portion, a plurality of waist-shaped second through holes arranged in a circumferential array are opened in the outer circle area of ​​the first through hole, the dome portion is provided with densely distributed third through holes facing outward away from the annular portion in the outer circle area of ​​the second through hole, the lower cover is provided with a plurality of first bosses integrally formed with the lower cover, the dome portion is provided with a plurality of second bosses integrally formed with the upper cover, the first bosses and the second bosses are fixed by a plurality of bolts, a mounting plate is fixed to the side of the lower cover away from the first boss, and a smoke sensor and a temperature and humidity sensor are installed in the lower cover.

[0007] By adopting the above technical solution, the exhaust wizard can use smoke sensors and temperature and humidity sensors to read the smoke, temperature and humidity conditions in the environment, and then feed back to the controller. The controller can be used to control the opening and closing of the exhaust fan, which can reduce the temperature and humidity or the concentration of smoke and combustible gases to reduce risks. When the relevant values ​​return to normal, the wizard automatically turns off the exhaust fan. This device can solve the trouble of frequently manually turning on and off the exhaust fan, so that the space can maintain a relatively comfortable environment, automatically adjust, and save energy and be environmentally friendly; in addition, the device is easy to disassemble, adopts an assembly structure of the upper cover and the lower cover, and is more reliable by fixing the first boss and the second boss with bolts; the setting of the first through hole, the second through hole and the third through hole can conveniently receive the gas atmosphere of the environment to be tested, and the installation plate can be used to facilitate the installation and fixation of the exhaust wizard.

[0008] Preferably, the lower cover is provided with two through grooves, the lower cover has limiting convex plates integrally formed with the lower cover at the two through grooves respectively, the mounting plate has a clamping portion integrally formed with the mounting plate, and the clamping portion is clamped at the limiting convex plates.

[0009] By adopting the above technical solution, the mounting plate can be easily fixed by utilizing the limiting protrusion at the through groove and the clamping part on the mounting plate.

[0010] Preferably, a plurality of fourth through holes are formed on the annular wall of the lower cover.

[0011] By adopting the above technical solution, the provision of the fourth through hole can facilitate the formation of a complete air flow channel in the upper cover and the lower cover, which is convenient for detection.

[0012] Preferably, the mounting plate is provided with a plurality of first mounting holes, each of which is waist-shaped; a second mounting hole is provided in the middle of the mounting plate, and the second mounting hole is convexly round.

[0013] By adopting the above technical solution, the provision of the first mounting hole and the second mounting hole can facilitate the overall fixation of the mounting plate.

[0014] Preferably, the dome portion has a plurality of ribs integrally formed with the dome portion on a surface close to the lower cover.

[0015] By adopting the above technical solution, the provision of the retaining edge portion can assist in positioning and increase the structural strength of the dome portion.

[0016] Preferably, the retaining edge portion is L-shaped.

[0017] By adopting the above technical solution, the L-shaped flange portion has a larger bending and torsional section modulus.

[0018] Preferably, a recessed slot is provided on the annular wall of the dome portion.

[0019] By adopting the above technical solution, the arrangement of the recessed slot can improve the tightness of fixing the upper cover and the lower cover.

[0020] Preferably, the sink snap-on portion has a limit block integrally formed with the dome portion.

[0021] By adopting the above technical solution, the setting of the limit block can assist in positioning.

[0022] Preferably, the smoke sensor and the temperature and humidity sensor are communicatively connected with a signal receiver, the signal receiver is arranged in the exhaust fan, and a battery for powering the smoke sensor and the temperature and humidity sensor is built in the lower cover.

[0023] By adopting the above technical solution, the exhaust wizard is a wireless product with a built-in battery. When it senses that the corresponding value of the air is higher than the preset value, the exhaust wizard sends a signal to the built-in receiver of the exhaust fan to turn the exhaust fan on and off.

[0024] Compared with the prior art, the beneficial effects of the utility model are:

[0025] This exhaust wizard uses smoke sensors and temperature and humidity sensors to read the smoke, temperature and humidity conditions in the environment, and then can feed back to the controller. The controller is used to control the opening and closing of the exhaust fan, which can reduce the temperature and humidity or the concentration of smoke and combustible gases to reduce risks. When the relevant values ​​return to normal, the wizard automatically turns off the exhaust fan. This device can solve the trouble of frequently manually turning on and off the exhaust fan, so that the space can maintain a relatively comfortable environment, automatically adjust, and save energy and be environmentally friendly; in addition, this device is easy to disassemble, adopts an assembly structure of an upper cover and a lower cover, and is relatively reliable by fixing the first boss and the second boss with bolts; the first through hole, the second through hole and the third through hole are set to facilitate the reception of the gas atmosphere of the environment to be tested, and the installation plate can be used to facilitate the installation and fixation of this exhaust wizard. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is one of the explosion structure schematic diagrams of the utility model;

[0027] Figure 2 This is the second schematic diagram of the explosion structure of the utility model;

[0028] Figure 3 This is the third schematic diagram of the explosion structure of the utility model;

[0029] In the figure: 1, lower cover; 2, upper cover; 3, annular portion; 4, dome portion; 5, first through hole; 6, second through hole; 7, third through hole; 8, first boss; 9, second boss; 10, mounting plate; 11, through groove; 12, limiting convex plate; 13, clamping portion; 14, fourth through hole; 15, first mounting hole; 16, second mounting hole; 17, retaining edge portion; 18, recessed groove snap-in; 19, limiting block. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Example 1

[0032] refer to Figures 1 to 3 , an exhaust spirit, including a lower cover 1, a detachable upper cover 2 is arranged above the lower cover 1, including the upper cover 2 including an integrally formed annular portion 3 and a dome portion 4, a first through hole 5 is opened in the middle of the dome portion 4, and a plurality of waist-shaped second through holes 6 arranged in a circumferential array are opened in the outer circle area of ​​the first through hole 5. The dome portion 4 is provided with densely distributed third through holes 7 facing outward in the direction away from the annular portion 3 in the outer circle area of ​​the second through hole 6. The lower cover 1 has a plurality of first bosses 8 integrally formed with the lower cover 1, and the dome portion 4 has a plurality of second bosses 9 integrally formed with the upper cover 2. The first bosses 8 and the second bosses 9 are fixed by a plurality of bolts. The lower cover 1 is fixed with a mounting plate 10 on the side away from the first boss 8, and a smoke sensor and a temperature and humidity sensor are installed in the lower cover 1.

[0033] refer to Figures 1 to 3 The exhaust wizard uses smoke sensors and temperature and humidity sensors to read the smoke, temperature and humidity conditions in the environment, and then can feed back to the controller. The controller is used to control the opening and closing of the exhaust fan, which can reduce the temperature and humidity or the concentration of smoke and combustible gases to reduce risks. When the relevant values ​​return to normal, the wizard automatically turns off the exhaust fan. This device can solve the trouble of frequently manually turning on and off the exhaust fan, so that the space can maintain a relatively comfortable environment, automatically adjust, and save energy and protect the environment; in addition, the device is easy to disassemble, adopts an assembly structure of the upper cover 2 and the lower cover 1, and is more reliable by using bolts to fix the first boss 8 and the second boss 9; the first through hole 5, the second through hole 6 and the third through hole 7 are set to facilitate the reception of the gas atmosphere of the environment to be tested, and the mounting plate 10 can be used to facilitate the installation and fixation of the exhaust wizard.

[0034] refer to Figures 1 to 3Two through grooves 11 are provided on the lower cover 1, and the lower cover 1 has limiting convex plates 12 integrally formed with the lower cover 1 at the two through grooves 11 respectively. The mounting plate 10 has a clamping portion 13 integrally formed with the mounting plate 10, and the clamping portion 13 is clamped at the limiting convex plate 12. The limiting convex plate 12 at the through groove 11 and the clamping portion 13 on the mounting plate 10 can be conveniently fixed.

[0035] refer to Figures 1 to 3 , wherein a plurality of fourth through holes 14 are provided on the annular wall of the lower cover 1, and the setting of the fourth through holes 14 can facilitate the formation of a complete air flow path in the upper cover 2 and the lower cover 1, so as to facilitate detection; wherein a plurality of first mounting holes 15 are provided on the mounting plate 10, and the plurality of first mounting holes 15 are waist-shaped, respectively, and a second mounting hole 16 is provided in the middle of the mounting plate 10, and the second mounting hole 16 is a convex circular shape, and the setting of the first mounting holes 15 and the second mounting holes 16 can facilitate the overall fixation of the mounting plate 10.

[0036] refer to Figures 1 to 3 The dome portion 4 has a plurality of ribs 17 integrally formed with the dome portion 4 on a side close to the lower cover 1. The setting of the ribs 17 can assist in positioning and increase the structural strength of the dome portion 4. The ribs 17 are L-shaped, and the L-shaped ribs 17 have a larger bending and torsional section modulus.

[0037] refer to Figures 1 to 3 , wherein a recessed slot 18 is provided at the annular wall of the dome portion 4, and the setting of the recessed slot 18 can improve the tightness of the fixation between the upper cover 2 and the lower cover 1; the recessed slot 18 has a limit block 19 integrally formed with the dome portion 4, and the setting of the limit block 19 can assist in positioning. Among them, the smoke sensor and the temperature and humidity sensor are communicatively connected with the signal receiver, and the signal receiver is arranged in the exhaust fan, and a battery for powering the smoke sensor and the temperature and humidity sensor is built in the lower cover 1. This exhaust wizard is a wireless product with a built-in battery. When the value corresponding to the air is sensed to be higher than the preset value, the exhaust wizard sends a signal to the built-in receiver of the exhaust fan to turn on and off the exhaust fan.

[0038] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An exhaust spirit, comprising a lower cover (1), a detachable upper cover (2) being arranged above the lower cover (1), characterized in that: The invention comprises an upper cover (2) comprising an integrally formed annular portion (3) and a dome portion (4), wherein a first through hole (5) is provided in the middle of the dome portion (4), wherein a plurality of waist-shaped second through holes (6) arranged in a circumferential array are provided in the outer ring region of the first through hole (5), wherein the dome portion (4) is provided with densely distributed third through holes (7) which are turned outwards away from the annular portion (3) in the outer ring region of the second through holes (6), wherein the lower cover (1) has a plurality of first convex columns (8) integrally formed with the lower cover (1), wherein the dome portion (4) has a plurality of second convex columns (9) integrally formed with the upper cover (2), wherein the first convex columns (8) and the second convex columns (9) are connected and fixed by a plurality of bolts, wherein a mounting plate (10) is fixed on a side of the lower cover (1) which is away from the first convex columns (8), and wherein a smoke sensor and a temperature and humidity sensor are installed in the lower cover (1).

2. The exhaust spirit according to claim 1, characterized in that: The lower cover (1) is provided with two through grooves (11), and the lower cover (1) has limiting convex plates (12) formed integrally with the lower cover (1) at the two through grooves (11), and the mounting plate (10) has a clamping portion (13) formed integrally with the mounting plate (10), and the clamping portion (13) is clamped at the limiting convex plate (12).

3. The exhaust spirit according to claim 1, characterized in that: A plurality of fourth through holes (14) are provided on the annular wall of the lower cover (1).

4. The exhaust spirit according to claim 1, characterized in that: The mounting plate (10) is provided with a plurality of first mounting holes (15), each of which is waist-shaped. A second mounting hole (16) is provided in the middle of the mounting plate (10), and the second mounting hole (16) is a convex circular shape.

5. The exhaust spirit according to claim 1, characterized in that: The dome portion (4) has a plurality of rib portions (17) formed integrally with the dome portion (4) on a surface close to the lower cover (1).

6. The exhaust spirit according to claim 5, characterized in that: The rib portion (17) is L-shaped.

7. The exhaust spirit according to claim 1, characterized in that: A sinking slot (18) is provided on the annular wall of the dome portion (4).

8. The exhaust spirit according to claim 7, characterized in that: The sink slot snap-in (18) is provided with a limiting block (19) integrally formed with the dome portion (4).

9. The exhaust spirit according to claim 7, characterized in that: The smoke sensor and the temperature and humidity sensor are communicatively connected to a signal receiver, the signal receiver is arranged in the exhaust fan, and a battery for supplying power to the smoke sensor and the temperature and humidity sensor is built into the lower cover (1).

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