CN210291992U - Smoke separation control system and cooker using same - Google Patents
Smoke separation control system and cooker using same Download PDFInfo
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- CN210291992U CN210291992U CN201920261324.9U CN201920261324U CN210291992U CN 210291992 U CN210291992 U CN 210291992U CN 201920261324 U CN201920261324 U CN 201920261324U CN 210291992 U CN210291992 U CN 210291992U
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- 239000000779 smoke Substances 0.000 title claims abstract description 55
- 238000000926 separation method Methods 0.000 title description 2
- 238000001514 detection method Methods 0.000 claims abstract description 40
- 230000009466 transformation Effects 0.000 claims abstract description 9
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 5
- 230000003993 interaction Effects 0.000 claims description 11
- 238000010411 cooking Methods 0.000 claims description 10
- 230000002452 interceptive effect Effects 0.000 claims description 7
- 239000003517 fume Substances 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims 1
- 238000002955 isolation Methods 0.000 abstract description 11
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000036632 reaction speed Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract 1
- 238000005070 sampling Methods 0.000 description 20
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000006233 lamp black Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
A smoke isolation control system comprises a control module, a data detection module and a voltage transformation power supply module, wherein the voltage transformation power supply module is connected with the control module and used for supplying power to the control module. According to the utility model provides a pair of electricity separates cigarette control system compares with prior art and has following advantage: the intelligent degree is high, the air curtain reaction speed is fast, the smoke isolation effect is good, and the combustion efficiency is not influenced.
Description
Technical Field
The utility model relates to a separate cigarette control system and use cooking utensils of this system.
Background
At present, in order to prevent the oil smoke from dissipating and endangering the health of users, part of manufacturers achieve the purpose of isolating the oil smoke by arranging an air curtain on a cooker. However, most of them load rated voltage on the dc fan to make the fan operate to form an air curtain, the intensity of the air curtain is generally constant, which cannot effectively cooperate with various cooking modes or even various kitchen range types, and easily affects the combustion efficiency of the kitchen range.
Therefore, it is urgently needed to develop an air curtain control system which can effectively isolate smoke, can intelligently control the strength of an air curtain and has high humanization degree. For example: firstly, the Chinese utility model patent with the title of a smoke stove linkage system and the authority bulletin number of CN202018069U discloses a smoke stove linkage system, which comprises a signal transmitting unit arranged on a gas stove; a fire signal processing module; and a signal transmitting module; the signal receiving unit is arranged on the range hood and comprises a signal receiving module; wind speed control module and lampblack absorber fan. The utility model discloses a technical problem that technical scheme provided solved lies in adjusting the wind-force size of lampblack absorber and. Moreover, the data transmission path and the data processing mode are complex, which is not beneficial to the quick response of the fan. Secondly, the invention discloses a smoke stove linkage control system, a smoke stove linkage control method and a Chinese patent with an authorization notice number of CN105333477B, and the smoke stove linkage control system comprises a smoke machine, a stove, a temperature sensor for detecting the temperature in a pot and a smoke quantity sensor for detecting smoke quantity information, wherein the temperature sensor and the smoke quantity sensor are respectively connected with the smoke machine, the smoke machine and the stove are communicated with each other, the smoke machine comprises a first controller, the stove comprises a second controller, the second controller is used for acquiring the working state of the stove, detecting whether the stove is placed on a stove end of the stove to produce a pot detection signal, and sending the working state of the stove and the pot detection information to the first controller; the first controller is used for receiving the working state of the cooker and detecting pot information, acquiring the temperature in a pot detected by the temperature sensor when the cooker is in an opening state and a pot is placed on the burner, sending the temperature in the pot to the cooker, and when the temperature in the pot is greater than or equal to a first preset temperature, controlling the fan of the smoke machine to run at a first rotating speed by the first controller, acquiring smoke amount information detected by the smoke amount sensor, and sending the smoke amount information to the cooker, wherein the first controller controls the rotating speed of the fan according to the temperature in the pot and the smoke amount information, and wherein the first controller is further used for controlling the first controller to enter a standby state from a dormant state when the received working state of the cooker and the pot information are detected. The technical problem solved by the technical scheme provided by the invention is that the smoke quantity is reduced by adjusting the firepower, and the control system is complex in structure and low in reaction speed. Thirdly, the Chinese patent invention entitled intelligent temperature control ion induction ultra-strong exhaust integrated stove with the publication number of CN105371332B discloses an integrated stove only capable of temperature control ion induction ultra-strong exhaust, wherein the stove is provided with an induction needle, the range hood is provided with an exhaust inlet, the exhaust inlet is hermetically connected with an exhaust pipeline, the exhaust inlet is provided with a temperature sensor, and an air curtain generator is arranged in the box body. The technical scheme provided by the invention cannot achieve the effect of intelligently controlling the strength of the air curtain.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a smoke control system and use cooking utensils of this system that separate that intelligent degree is high, air curtain reaction rate is fast, separate that the cigarette is effectual and do not influence combustion efficiency.
The utility model discloses mainly adopt following technical scheme:
a smoke isolation control system comprises a control module, a data detection module and a voltage transformation power supply module, wherein the voltage transformation power supply module is connected with the control module and used for supplying power to the control module.
The control module comprises a wind speed control unit, and the wind speed control unit is connected with the variable voltage power supply module.
The control module comprises a data holding unit, the data holding unit is connected with the data detection module, the data holding unit can calculate the data provided by the data detection module, and even if the control module is powered off, the data holding unit can also hold the data provided by the data detection module.
The data detection module is a firepower detection unit and/or a smoke detection unit.
The interactive module is connected with the control module and comprises an instruction receiving unit, and the instruction receiving unit can receive a user instruction and transmit the user instruction to the control module.
The interaction module further comprises a state display unit, and the state display unit is used for displaying the working state of the control system.
A cooking utensil comprises a machine shell, a fan and the smoke isolating control system, wherein the variable-voltage power supply module is connected with the fan and used for supplying power to the fan.
Wherein the fan is disposed within the cabinet and operates to form an air curtain for isolating the oil smoke above the cabinet.
According to the utility model provides a technical scheme has following beneficial effect: the data detection module provides firepower and/or smoke data for the control module, and the data information is processed by the control module and then directly controls the voltage loaded on the direct current fan through the variable voltage power supply module, so that the opening and closing and the strength of the air curtain are controlled, the data transmission path is simple, the data processing program is simplified, the number of components on the control panel is reduced, and the production cost is reduced; through opening and close, the power of adjustment air curtain, can keep apart the oil smoke effectively, prevent the oil smoke loss, the user satisfaction that improves safety in utilization, product is high, and in addition, air curtain power changes along with firepower and/or flue gas data that detect, has reduced whole energy consumption, separates that the cigarette effect is more intelligent, be difficult to produce too big influence to the combustion efficiency of cooking utensils, and user experience feels good.
Drawings
Fig. 1 is the structure schematic diagram of the smoke isolation control system of the utility model.
Fig. 2 is the work flow schematic diagram of the smoke isolation control system in the normal use state.
Fig. 3 is a schematic view of the structure of the cooker of the present invention.
The system comprises a control module 1, a data detection module 2, an interaction module 4, a state display unit 42, a fan 10 and an air curtain hole 100.
Detailed Description
The following will further explain the contents of the present invention with reference to the accompanying drawings:
referring to fig. 1, a smoke isolation control system includes a control module 1, a data detection module 2, and a voltage transformation power supply module, where the voltage transformation power supply module is connected to the control module 1 to supply power to the control module. Preferably, the control module 1 adopts a microcontroller with an integrated processor such as a single chip microcomputer or an ARM as a core to receive feedback information and control load action. Preferably, the voltage transformation power supply module is connected with the control module through a connecting line, and 220V mains supply is connected into the voltage transformation power supply module and then converted into a 5V power supply through the switching power supply unit and the DC-DC unit to be used for supplying power to the control module, the interaction module, even the data detection module and the like.
Referring to fig. 1, the control module 1 includes a wind speed control unit, and the wind speed control unit is connected to the variable voltage power supply module. Preferably, the variable voltage power supply module is connected with a load such as a fan or a fan forming an air curtain, and preferably, the variable voltage power supply module receives a PWM control signal or a voltage control signal from the wind speed control unit and controls the operation of the fan or the fan by adjusting a voltage duty ratio or a voltage provided to the fan or the fan, thereby controlling the opening and closing and the strength of the smoke-blocking air curtain of the cooking stove.
Referring to fig. 1, the control module 1 includes a data holding unit connected to the data detection module, the data holding unit being capable of calculating data provided by the data detection module and holding the data provided by the data detection module even after the control module is powered off. Preferably, the data holding unit and the data detection module may be connected by wire or wirelessly. Preferably, the data holding unit, in addition to calculating according to the data provided by the data detection module and the wind speed calculation function to obtain the wind speed value Vf (or performing table lookup according to the data provided by the data detection module to obtain the wind speed value Vf) in each sampling period Tn, can also hold the duration Tn of each sampling period Tn and sum the duration Tn of each sampling period to obtain ta ∑ Tn, and then calculate the maximum wind speed value Vmax of each sampling period Tn according to the wind speed increasing coefficient function (in an actual situation, the maximum wind speed value Vmax is rarely adjusted once after each sampling period Tn is passed through, generally, the control module is configured to adjust the maximum wind speed value Vmax once after at least two sampling periods Tn are passed through, so that the stove is more agile, and can be configured to calculate the maximum wind speed value Vmax once after a plurality of sampling periods Tn are passed through), the number of samples in each sampling period Tn and the sampling duration t of each sample thereof can be preset in the control module, and generally, the sampling duration t of each sample is usually in the order of milliseconds or microseconds.
Referring to fig. 1, the data detection module 2 is a fire detection unit and/or a smoke detection unit. Preferably, the fire detection unit may be an encoder or a detection potentiometer provided on the knob of the cooker (for example, the generated analog signal is measured by the detection potentiometer, and then the analog signal is converted into a digital signal by an AD converter), and/or the smoke detection unit may be a particle concentration sensor provided at the air inlet of the smoke machine. Through data conversion, the firepower detection unit and/or the smoke detection unit transmit the acquired firepower and/or smoke data to the data holding unit of the control module for further processing. Preferably, when the smoke detection unit is arranged at a position independent of the kitchen range, such as an air inlet of the range hood, the smoke detection unit can transmit data to the control module through a radio frequency signal.
Referring to fig. 1, the interactive system further comprises an interactive module 4, the interactive module 4 is connected with the control module 1, and the interactive module 4 comprises an instruction receiving unit, and the instruction receiving unit can receive a user instruction and transmit the user instruction to the control module 1. Preferably, the user can start and close the smoke-insulating control system through manual operation, and even can be from the start and close, the intensity, the working duration, etc. of the air curtain in a self-defined manner through manual operation, and the setting of the interaction module makes the formation of the air curtain more humanized and fit with the requirements of the user.
Referring to fig. 1, the interactive module 4 further includes a status display unit 42, and the status display unit 42 is used for displaying the working status of the control system. Preferably, the state display unit can display the working state of the smoke-isolating control system (such as displaying the fire power and/or smoke size, the air curtain strength and the like) by adopting a nixie tube or a display screen, and can even display information from other detection elements (such as the operating environment temperature of a user and the like). Preferably, the smoke-blocking control system may further include a timer, and the timer may be independently set, or may be set on the interaction module or the control module, so as to implement, for example, timing on/off, delay on/off, and the like of the fan. Preferably, the timer may further have a timing function (each sampling period Tn may be clocked, i.e. data such as the sampling period duration Tn is provided to the data holding unit) when the timer is arranged on the control module, so as to assist the data holding unit to perform the next processing.
Referring to fig. 2, a smoke isolation control method using the smoke isolation control system includes the following steps:
s1: after the cooker is powered on, the smoke isolation control system is in a standby state, when the interaction module receives a cooker working instruction of a user, the cooker working instruction is transmitted to the control module, and the control module receives data and then carries out next processing;
s2: the control module enables the fan to operate for a period of time t1 according to the maximum wind speed value Vmax through the wind speed control unit; preferably, at this time, the wind speed of the air curtain is the maximum value, and the fan is in the highest gear of operation. Preferably, when the stove is still in an initial state, an initial value Vmax0 can be preset in the control module as a maximum wind speed value Vmax, and at the moment, Vmax0 is equal to Vmax; preferably, after the stove has been used for a period of time, the maximum wind speed value Vmax is calculated by a sum ta of a duration of each sampling period Tn and an increase coefficient function Vmax 'f (ta) (in an actual operation process, the increase coefficient function can also be known by a table look-up method), that is, Vmax ═ Vmax' f (ta), where Vmax 'is a previous maximum wind speed value Vmax' calculated in the previous sampling period Tn. In order to make the air curtain reaction of the cooker more quick, the calculated Vmax can be prestored in the control module, and when the maximum wind speed value in the time period of t1 is to be switched, the calculation step can be skipped and the wind speed control unit can directly instruct the fan to operate, so that the smoke-isolating control system has stronger agility and quicker response.
S3: when the fan runs for t1 time, the data detection module starts to run and detects firepower and/or flue gas data Xadj, the data holding unit calculates a wind speed value Vf ≦ f (Xadj) according to a running speed function f (Xadj), wherein 0 ≦ Vf ≦ Vmax, and the wind speed control unit enables the fan to run according to the wind speed value Vf; preferably, t1 is 1min, i.e. the fan is running for 1min at the highest gear of the current operation.
S4: in each at least one sampling period Tn, the smoke-isolating control system readjusts the rotating speed Vf of the fan according to the detected firepower and/or smoke data Xadj until the control module detects that the interaction module gives a command for finishing the work of the cooker, then the smoke-isolating control system closes the fan, the state display unit of the interaction module does not display the working state of the smoke-isolating control system, and the smoke-isolating control system returns to the standby state; preferably, the number of samples in each sampling period Tn is at least one, more preferably, the number of samples in each sampling period Tn is 10, and the Xadj 1-Xadj 10 detected in each sample is processed to obtain the result
Removing data obviously deviating from the average value, and processing the rest Xadj to obtain
Then, the wind speed value Vf is obtained according to the operation speed function, preferably, wherein
Within a preset threshold range. Preferably, the threshold range consists of a plurality of small threshold ranges, when
When the fan speed is out of the threshold range, the fan speed is regarded as abnormal data and is not changed; when the wind speed is between the threshold values, the wind speed falls within each small threshold value range, the wind speed corresponds to a wind speed value Vf, and the wind speed falls between the small threshold value ranges and is regarded as buffer data to not change the rotating speed of the fan.
Further, after the cooking stove is used for a period of time, the rotation speed of the fan is slowed down due to the accumulation of oil smoke, so that the following steps are required to be carried out:
s5: after the interaction module receives a cooker working instruction of a user, a timer starts timing until the interaction module gives a cooker working instruction, the smoke isolation control system records the time length Tn of each sampling period Tn, and then the time length Tn of each sampling period is summed to obtain the total time ta of the cooker working time which is sigma Tn;
s6: and keeping the total ta of the working time of the cooker in the data keeping unit, calculating a maximum wind speed value Vmax according to an increasing coefficient function Vmax which is Vmax 'f (ta), and replacing the previous maximum wind speed value Vmax' with the maximum wind speed value Vmax when the maximum wind speed value in the time period of t1 needs to be switched, wherein Vmax 'is the previous maximum wind speed value Vmax' calculated in the previous sampling period Tn.
Referring to fig. 3, the kitchen range includes a casing, a fan 10 and the above smoke isolation control system, and the variable voltage power supply module is connected to the fan 10 and used for supplying power to the fan. Preferably, the blower is a direct current fan, and more preferably, the number of the direct current fans is at least two.
Referring to fig. 3, a fan 10 is disposed within the housing and operates to form an air curtain above the housing to isolate cooking fumes. Preferably, the direct current fan is disposed at both left and right side edges of the cabinet panel. Preferably, the panel of the housing is provided with air curtain holes 100 all around.
Although specific embodiments of the present invention have been described above, those skilled in the art may devise variations that are within the spirit and scope of the invention, which is defined by the following claims and their equivalents.
Claims (5)
1. The utility model provides a separate cigarette control system, includes control module, data detection module and vary voltage power supply module, its characterized in that: the voltage transformation power supply module is connected with the control module and used for supplying power to the control module; the control module comprises a wind speed control unit, and the wind speed control unit is connected with the variable voltage power supply module; the control module comprises a data holding unit which is connected with the data detection module, the data holding unit can calculate the data provided by the data detection module, and even if the control module is powered off, the data holding unit can also hold the data provided by the data detection module; the data detection module is a firepower detection unit and/or a smoke detection unit.
2. The smoke evacuation control system of claim 1, wherein: the interactive module is connected with the control module and comprises an instruction receiving unit, and the instruction receiving unit can receive a user instruction and transmit the user instruction to the control module.
3. The smoke evacuation control system of claim 2, wherein: the interaction module further comprises a state display unit, and the state display unit is used for displaying the working state of the control system.
4. A cooking appliance comprising a casing, a fan and a smoke barrier control system as claimed in any one of claims 1 to 3, characterised in that: the variable voltage power supply module is connected with the fan and used for supplying power to the fan.
5. Hob according to claim 4, characterized in that: the fan is disposed within the enclosure and operates to form an air curtain above the enclosure that isolates cooking fumes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920261324.9U CN210291992U (en) | 2019-03-01 | 2019-03-01 | Smoke separation control system and cooker using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920261324.9U CN210291992U (en) | 2019-03-01 | 2019-03-01 | Smoke separation control system and cooker using same |
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| Publication Number | Publication Date |
|---|---|
| CN210291992U true CN210291992U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920261324.9U Expired - Fee Related CN210291992U (en) | 2019-03-01 | 2019-03-01 | Smoke separation control system and cooker using same |
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| Country | Link |
|---|---|
| CN (1) | CN210291992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486485A (en) * | 2020-06-02 | 2020-08-04 | 浙江帅康电气股份有限公司 | Gas stove |
-
2019
- 2019-03-01 CN CN201920261324.9U patent/CN210291992U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486485A (en) * | 2020-06-02 | 2020-08-04 | 浙江帅康电气股份有限公司 | Gas stove |
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Granted publication date: 20200410 |