CN218954963U - Range hood with fireproof system - Google Patents
Range hood with fireproof system Download PDFInfo
- Publication number
- CN218954963U CN218954963U CN202221067231.0U CN202221067231U CN218954963U CN 218954963 U CN218954963 U CN 218954963U CN 202221067231 U CN202221067231 U CN 202221067231U CN 218954963 U CN218954963 U CN 218954963U
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- China
- Prior art keywords
- range hood
- fire extinguishing
- temperature sensor
- protection system
- smoke exhaust
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- 239000000779 smoke Substances 0.000 claims abstract description 63
- 230000000391 smoking effect Effects 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 abstract 1
- 238000010411 cooking Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 4
- 239000006233 lamp black Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 235000011089 carbon dioxide Nutrition 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Ventilation (AREA)
Abstract
The utility model discloses a range hood with a fireproof system, which comprises a frame body, a smoking system, a smoke discharging system and a fireproof system, wherein the smoking system, the smoke discharging system and the fireproof system are arranged on the frame body, the fireproof system comprises a fire extinguishing device for spraying fire extinguishing medium, a temperature sensor for detecting a temperature value of the range hood and a controller for determining whether the fire extinguishing device is operated or not, and when the temperature value is continuously greater than a preset temperature value and the duration exceeds the preset time, the controller controls the fire extinguishing device to execute fire extinguishing operation. According to the utility model, the temperature sensors of the fireproof system are matched with the controller to automatically control, at least two temperature sensors are arranged in the fireproof system to detect simultaneously, the possibility of misoperation is reduced to the minimum, two pressure fire extinguishing devices respectively correspond to two gas stoves, fire extinguishing operation is executed, the fire extinguishing effect is obviously improved, and the use safety of the kitchen gas stoves is improved.
Description
Technical Field
The utility model relates to the technical field of household appliances, in particular to a range hood with a fireproof system.
Background
Under the cooking environment of current chinese kitchen, high-power and big firepower cooking utensils use more and more commonly, and the cooking mode of adding many chinese food is taught high temperature and is many grease, takes place when the frying pan catches fire under this kind of culinary art circumstances, still sometimes because the user mishandling probably causes the gas-cooker to catch fire, and what is more, when the user leaves the kitchen for a short time, the frying pan under the high temperature culinary art just forms a huge potential safety hazard, and the frying pan that does not take care catches fire, fires the thing of lampblack absorber even whole kitchen and happens sometimes.
At present, a smoke alarm and fire extinguishing device linkage mode is adopted in the industry to realize the fire prevention and fire extinguishing of the range hood, and the mode can play a role in extinguishing initial fires, but in the kitchen operation environment, due to different cooking habits of people, open fires and lampblack are unavoidable, the mode easily causes false triggering of a fire prevention system or does not trigger when a fire occurs, and the reliability is insufficient.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a range hood with a fireproof system.
The technical scheme adopted for solving the technical problems is as follows: the range hood comprises a frame body, a smoking system, a smoke discharging system and a fireproof system, wherein the smoking system, the smoke discharging system and the fireproof system are arranged on the frame body; at least two temperature sensors are respectively arranged in the smoking pipeline of the smoking system.
Further, the temperature sensor comprises a first temperature sensor and a second temperature sensor, and the first temperature sensor and the second temperature sensor are arranged in the smoke exhaust pipeline in a staggered mode.
Further, when the first temperature value detected by the first temperature sensor and the second temperature value detected by the second temperature sensor are both larger than the preset temperature value and the duration exceeds the preset time, the controller controls the fire extinguishing device to execute fire extinguishing operation.
Further, the controller is electrically connected with an actuator, and the actuator is an electromagnetic valve.
Further, the smoking system comprises a smoke exhaust ventilator fan, a smoke exhaust pipeline and a smoke exhaust port arranged on the smoke exhaust pipeline, wherein the smoke exhaust port is arranged at the bottommost part of the frame body.
Further, the smoke exhaust system comprises a smoke exhaust tube and a top cover connected with the smoke exhaust tube.
Further, the fire extinguishing device is two pressure containers arranged in the top cover, and the pressure containers are internally stored with fire extinguishing medium.
Further, the frame body is made of nonflammable materials.
Further, the pressure vessels are provided with nozzles which are connected with a controller.
Further, the pressure containers can be arranged in a plurality, the pressure containers are symmetrically arranged on the top cover, and the nozzles of each pressure container face downwards to the gas stove respectively.
Compared with the prior art, the utility model has the following beneficial technical effects:
the utility model provides a range hood with a fireproof system, wherein a temperature sensor of the fireproof system is matched with an electromagnetic valve and an intelligent controller to automatically control, at least two temperature sensors are arranged to detect simultaneously, the possibility of misoperation is reduced to the minimum, two pressure fire extinguishing devices are respectively corresponding to two gas stoves, fire extinguishing operation is performed, the fire extinguishing effect is obviously improved, and the use safety of the kitchen gas stoves is improved.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic front view of the present utility model;
FIG. 2 is a left side schematic view of the present utility model;
fig. 3 is a rear view of the interior schematic of the present utility model.
In the figure, 1, a frame body, 2, a smoke exhaust tube, 3, a top cover, 4, a cooking bench, 5, a gas stove, 6, a smoke suction port, 7, a fire extinguishing device, 8, a nozzle, 9, an electromagnetic valve, 10, a smoke exhaust pipeline, 11 and a temperature sensor.
Detailed Description
The present utility model will be described in detail below with reference to the drawings and detailed description to enable those skilled in the art to better understand the technical aspects of the present utility model.
Referring to fig. 1 to 3, fig. 1 is a schematic front view of a range hood according to the present utility model; fig. 2 is a schematic left view of the range hood according to the present utility model; fig. 3 is a schematic rear view of the range hood according to the present utility model.
The utility model provides a range hood with fire protection system, range hood includes frame body 1 and sets up smoking system, smoke discharging system, fire protection system on frame body 1, and fire protection system includes the extinguishing device 7 that is used for blowout extinguishing medium, detects the temperature sensor 1 of range hood's temperature value and the controller of control extinguishing device 7 operation.
The smoke suction system in the smoke exhaust ventilator comprises a smoke exhaust ventilator fan, a smoke exhaust pipeline 10 and a smoke suction port 6 arranged on the smoke exhaust pipeline 10, wherein the smoke suction port 6 is arranged at the lowest part of the frame body 1; the smoke exhaust system comprises a smoke exhaust tube 2 and a top cover 3 connected with the smoke exhaust tube 2, and the smoke enters a smoke exhaust pipeline 10 through a smoke exhaust port 6 and is exhausted through the smoke exhaust tube 2.
The range hood further comprises a fire protection system, wherein a temperature sensor 11 in the fire protection system is used for detecting a temperature value in the smoke absorption system of the range hood. Under the condition that the range hood normally operates, the temperature of the range hood does not change greatly, when a fire disaster occurs, the corresponding part of the smoke absorbing system of the range hood can change greatly, and whether the fire disaster occurs or not is judged by detecting the temperature value of the corresponding part of the range hood, so that the fire extinguishing device 7 is convenient to perform fire extinguishing operation or not.
The fire extinguishing device 7 is two or more pressure containers arranged in the top cover 3, each pressure container is internally provided with a fire extinguishing medium, each pressure container is provided with a nozzle 8, when a fire disaster occurs, the pressure containers spray out the fire extinguishing medium stored in the pressure containers through the nozzles 8 to extinguish the fire, the fire extinguishing device 7 fully utilizes the spare space in the top cover 3, is integrally arranged on the range hood, does not need to separately arrange fire extinguishing equipment, and reduces the whole volume of the range hood.
The controller is connected with the actuator electromagnetic valve 9, and judges whether the fire extinguishing device 7 is operated or not according to the comparison between the real-time operation parameters of the range hood and the preset standard value, wherein the real-time operation parameters include, but are not limited to, the temperature, the smoke concentration, the smoke taste and the like in the operation process of the range hood, and any one or more operation parameters can be used. Preferably, the actuator is the solenoid valve 9, and the controller can be connected with intelligent equipment electricity, and intelligent equipment can be cell-phone or computer, and cell-phone or computer can be in real time record and show fire protection system's running condition, if have old person or child in the family when using the range hood, the condition of other family members real-time observation range hoods of being convenient for.
When the gas stove 5 on the cooking bench 4 catches fire, flame can enter the smoke exhaust pipeline 10 of the smoke exhaust system of the smoke exhaust machine along the smoke exhaust port 6 of the smoke exhaust machine, and the temperature sensor 11 arranged in the smoke exhaust pipeline 10 can detect the temperature of smoke and/or flame; under normal conditions, when the range hood operates normally, the temperature of the temperature sensor 11 in the smoke exhaust pipeline 10 is low, when the gas stove 5 on the cooking bench 4 catches fire, flame can enter the smoke exhaust pipeline 10 of the smoke exhaust system of the range hood, the temperature value at the temperature sensor 11 can rise, the temperature sensor 11 is connected with the controller, when the range hood operates, the collected temperature in the smoke exhaust pipeline 10 is transmitted to the controller in real time, the temperature preset value is pre-stored in the controller, for example, the preset temperature value can be 90 ℃, when the temperature value detected by the temperature sensor 11 is higher than the preset value of 90 ℃ and the duration time exceeds the preset time, the preset time can be arbitrarily taken in the range of 3-10s and is transmitted to the controller, the temperature sensor 11 can transmit a signal to the controller to remind the occurrence of fire, the controller transmits an instruction to the electromagnetic valve 9 of the actuator, the nozzle 8 is opened, the extinguishing agent is sprayed out of the pressure container, and the fire condition in the gas stove 5 or the oil pan of the gas stove 5 is extinguished.
It should be noted that the temperature preset value and the preset time can be adjusted according to the cooking mode and the actual cooking situation.
Further, the gas stove 5 itself can be provided with an alarm system, and the controller is electrically connected with the alarm system at the same time, and an alarm of the alarm system sounds and simultaneously controls to close the gas main valve.
The temperature sensor 11 in this embodiment includes two at least, preferably, the temperature sensor 11 includes first temperature sensor and second temperature sensor, and first temperature sensor and second temperature sensor fall setting in smoking pipeline, and wherein first temperature sensor sets up in the smoking mouth 2cm department that is away from lampblack absorber to first temperature sensor and second temperature sensor crisscross setting, at this moment, first temperature sensor can verify whether the conflagration takes place rapidly, and second temperature sensor can further verify whether the temperature value that first temperature sensor responded to is correct, improves the precision of inspection.
In order not to influence the normal use of the range hood and improve the aesthetic degree of the range hood, two pressure containers in the application are arranged in the top cover 3 of the range hood; regarding the shape and volume of the pressure vessel, the person skilled in the art can choose as desired, in this application preferably cylindrical or spherical. The medium filled in the pressure vessel is a fire-extinguishing substance such as water or dry ice, and in this embodiment, dry ice is preferable.
Further, a control button or an intelligent control screen is arranged on the top cover 3 of the range hood, the control button or the intelligent control screen is electrically connected with the range hood fan to control whether the range hood fan runs or not, and the rotating speed of the fan can be adjusted to be matched with different cooking modes.
The range hood provided by the utility model judges whether the range hood is fire or not through the temperature sensor 11, and when the range hood is fire, the controller controls the fire extinguishing device 7 to perform fire extinguishing operation, so that no additional fire extinguishing equipment is required, and the fire extinguishing effect is improved.
The utility model also discloses a kitchen fire extinguishing method, which is applied to the fireproof system of any one of the above steps:
the temperature sensor 11 detects the temperature value in the smoke exhaust pipe 10 of the range hood;
when the temperature value is continuously greater than the preset temperature value and exceeds the preset time, the controller controls the fire extinguishing device 7 to perform a fire extinguishing operation.
Wherein, according to the position that temperature sensor 11 set up, can set the temperature value that first temperature sensor detected to first temperature value, the temperature value that second temperature sensor detected to second temperature value, the fire extinguishing operation that the controller was carried out according to temperature value control fire extinguishing device 7 includes:
when the first temperature value and the second temperature value are both greater than the preset temperature value and the duration exceeds the preset time, the controller controls the fire extinguishing device 7 to perform fire extinguishing operation;
or when the number of the temperature sensors 11 is greater than two, the controller starts to control the fire extinguishing device 7 to perform fire extinguishing operation when the temperature values detected by at least two temperature sensors 11 are continuously greater than a preset temperature value and the duration exceeds a preset time.
In the fire extinguishing method in this embodiment, a fire protection system is integrally provided on the range hood, and whether a fire occurs or not is determined by the temperature sensor 11 in the fire protection system, and when the temperature sensed by more than two temperature sensors 11 continuously exceeds a preset temperature and the duration exceeds a preset time, the fire extinguishing device 7 performs fire extinguishing operation, so that the fire extinguishing efficiency is improved, and false triggering of the fire protection system in the cooking process is avoided.
The above embodiments are only exemplary embodiments of the present utility model and are not intended to limit the present utility model, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this utility model will occur to those skilled in the art, and are intended to be within the spirit and scope of the utility model.
Claims (9)
1. The utility model provides a range hood with fire protection system, range hood includes frame body (1) and sets up smoking system, smoke discharging system, fire protection system on frame body (1), fire protection system includes fire extinguishing device (7) that are used for blowout extinguishing medium, detects temperature sensor (11) and the controller of control fire extinguishing device (7) operation of range hood's temperature value, its characterized in that:
the controller controls the fire extinguishing device (7) to perform fire extinguishing operation when the temperature value is continuously larger than a preset temperature value and exceeds a preset time;
the two temperature sensors (11) are respectively arranged in a smoke exhaust pipeline (10) of the smoke exhaust system, the temperature sensors (11) comprise a first temperature sensor and a second temperature sensor, the first temperature sensor and the second temperature sensor are arranged in the smoke exhaust pipeline in a staggered mode, and the first temperature sensor is arranged at a position 2cm away from a smoke exhaust port of the smoke exhaust ventilator;
a control button or an intelligent control screen is arranged on a top cover (3) of the range hood, and the control button or the intelligent control screen is electrically connected with a fan of the range hood.
2. A range hood with fire protection system according to claim 1, characterized in that: the controller controls the fire extinguishing device (7) to perform fire extinguishing operation when the first temperature value detected by the first temperature sensor and the second temperature value detected by the second temperature sensor are both larger than the preset temperature value and the duration exceeds the preset time.
3. A range hood with fire protection system according to claim 1, characterized in that: the controller is electrically connected with an actuator, and the actuator is an electromagnetic valve (9).
4. A range hood with fire protection system according to claim 1, characterized in that: the smoke sucking system comprises a smoke sucking fan, a smoke sucking pipeline (10) and a smoke sucking opening (6) arranged on the smoke sucking pipeline (10), wherein the smoke sucking opening (6) is arranged at the lowest part of the frame body (1).
5. A range hood with fire protection system according to claim 1, characterized in that: the smoke exhaust system comprises a smoke exhaust tube (2) and a top cover (3) connected with the smoke exhaust tube (2).
6. A range hood with fire protection system according to claim 5, wherein: the fire extinguishing device (7) is two pressure containers arranged in the top cover (3), and fire extinguishing media are stored in the pressure containers.
7. A range hood with fire protection system according to claim 6, wherein: the pressure vessel is provided with nozzles (8), and the nozzles (8) are connected with the controller.
8. A range hood with fire protection system according to any one of claims 6 to 7, characterized in that: the frame body (1) is made of nonflammable materials.
9. A range hood with fire protection system according to claim 8, wherein: the pressure containers are symmetrically arranged on the top cover (3), and the nozzles (8) of each pressure container face downwards to the gas stove (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221067231.0U CN218954963U (en) | 2022-05-06 | 2022-05-06 | Range hood with fireproof system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221067231.0U CN218954963U (en) | 2022-05-06 | 2022-05-06 | Range hood with fireproof system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218954963U true CN218954963U (en) | 2023-05-02 |
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ID=86139854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221067231.0U Active CN218954963U (en) | 2022-05-06 | 2022-05-06 | Range hood with fireproof system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218954963U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116959196A (en) * | 2023-07-31 | 2023-10-27 | 北京太平机电设备安装有限责任公司 | Intelligent fire control method, device, equipment and storage medium |
-
2022
- 2022-05-06 CN CN202221067231.0U patent/CN218954963U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116959196A (en) * | 2023-07-31 | 2023-10-27 | 北京太平机电设备安装有限责任公司 | Intelligent fire control method, device, equipment and storage medium |
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