CN106123072B - Range hood with heat recovery and personalized air supply functions - Google Patents
Range hood with heat recovery and personalized air supply functions Download PDFInfo
- Publication number
- CN106123072B CN106123072B CN201610668094.9A CN201610668094A CN106123072B CN 106123072 B CN106123072 B CN 106123072B CN 201610668094 A CN201610668094 A CN 201610668094A CN 106123072 B CN106123072 B CN 106123072B
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- Prior art keywords
- air
- housing
- heat
- inlet
- air outlet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/18—Details or features not otherwise provided for combined with domestic apparatus
Abstract
The invention discloses a range hood with heat recovery and personalized air supply functions, which comprises a shell arranged on the side wall of a cooking bench, wherein a partition plate is arranged in the shell to divide the cavity in the shell into an upper cavity and a lower cavity, a double-layer louver air supply opening is arranged on the front surface of the shell at the lower cavity, a smoke collection cavity is arranged on the bottom surface of the shell, a smoke inlet is formed in the bottom surface of the shell at a groove, an air exhaust fan is arranged in the lower cavity at the smoke inlet, an air outlet of the air exhaust fan is connected with a heat exchanger and an air exhaust pipe, an air inlet is formed in the shell at the upper cavity, the air inlet of the air intake fan is communicated with the air inlet through a pipeline, the air outlet of the air intake fan is communicated with a cold air inlet of a cross joint through a pipeline, and two heat exchange pipe orifices and a hot air. The device realizes the recovery of the oil smoke waste heat while ensuring the high-efficiency smoke exhaust efficiency, and is energy-saving and environment-friendly.
Description
Technical field
The present invention relates to a kind of kitchen ventilator, more particularly to there is the kitchen ventilator of recuperation of heat and individual blowing.
Background technology
As the pollution sources of room air maximum, harm of the cooking fume to health increasingly attracts attention and again
Depending on.In urban households, culinary art activity uses gaseous fuel, such as coal gas, natural gas, liquefied petroleum gas more.Cooking food mistake
The use of Cheng Zhong, edible oil and raw material and condiment can produce substantial amounts of oil smoke.According to the difference of form, oil smoke is divided into mist of oil
With gaseous pollutant two parts.Mist of oil is the mixture of liquid and solid-state total suspended particles pollutant, and particle diameter is mainly 100 microns
Following aerosol particle, the partial contamination thing can be suspended in air in kitchen, including be often concerned and report PM10,
PM2.5, PM1 etc..Gaseous pollutant mainly includes volatile organic matter (VOCs), gaseous semi-volatile organic matter (SVOCs)
And the exhaust gas that fuel combustion produces.Since in cooking process, human body easily enters human body and exhales close to pollution sources, soot gas
Desorption system, is deposited on the positions such as respiratory tract, alveolar, so as to trigger breathing problem, notably induces lung cancer, seriously endangers human body and is good for
Health.
Kitchen ventilator is popularized in urban households already as a kind of electric appliance for purifying kitchen environment.But current engineering should
Shown with correlative study, single kitchen ventilator cannot 100% exclusion due to oil smoke caused by culinary art, in aspiration procedure
In always have the part of escape, and this partial contamination thing mainly includes the tiny particulate matter easily spread and the pollutions such as PM2.5 and PM1
Gas.These pollutants can rest on human body respiration area, be detrimental to health.Meanwhile single kitchen ventilator does not have fresh air function,
It can not meet the comfort requirement of kitchen environment, oil smoke waste heat is not also fully used.So improve the work(of kitchen ventilator
Can, the Humanization Level of Municipal of kitchen ventilator is improved, is to improve kitchen environment, protect health, realize energy-saving and environment-friendly needs.
203413762 U of Chinese utility model patent CN devise a kind of recuperation of heat heating air intake/outtake system, including：Row
The shortcomings that petticoat pipe, exhaust duct, ventilating fan, oil fume purifier, exhaust outlet, fresh wind tube, air-introduced machine, fresh wind port, the design：1) production
The volume of product is excessive, is not easy to arrange in kitchen space narrow and small at present；2) product does not solve the personalization of people respiratory region
Air-supply problem；3) using antifreezing liquid, heat loss is big, and heat recovery efficiency is low as heat exchange medium；4) escaping for oil smoke is not accounted for
Ease problem, it is impossible to be effectively improved the air quality in human body respiration area.
103062858 A of Chinese utility model patent CN devise a kind of air-conditioning system for recycling kitchen thermal energy, including：
The shortcomings that refrigeration system, ventilating system, power distribution control system, the design：1) system complex, volume is excessive, is not easy narrow at present
Arranged in small kitchen space；2) product does not solve the problems, such as the individual blowing of people respiratory region；3) using heat pipe as changing
Thermal medium, can not normal use in summer and conditioning in Transition Season；4) the escape problem of oil smoke is not accounted for, it is impossible to be effectively improved human body and exhale
Inhale the air quality in area.
104764065 A of Chinese utility model patent CN devise a kind of heat exchanger for recycling kitchen fume thermal energy, bag
Include：The shortcomings that thermal conductor, heat transferring medium, oil collection box and housing, the design：1) use heat pipe as heat exchange medium, in summer and
Conditioning in Transition Season can not normal use；2) tube design is adapted to without heat exchanger, installed and inconvenient for use.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind to have the function of recuperation of heat and individual blowing
Low noise, air-flow is controllable, air quantity is stable, heat recovery efficiency and smoke exhaust efficiency are high, easy care has recuperation of heat and personalization
The kitchen ventilator of air blowing function.
To achieve the above object, the present invention provides a kind of kitchen ventilator with recuperation of heat and individual blowing, it is wrapped
The housing on hearth side wall is included, control system is installed in the housing, the control system includes controller,
Partition plate is installed in the housing housing cavity body is divided into upper cavity and lower chamber, described at the lower chamber
The front of housing is provided with double-deck blinds air outlet, and groove is provided with the bottom surface of the housing and forms smoke collecting chamber, in groove
Smoke inlet is provided with the housing bottom surface at place, oil cleaner screen is installed in the groove at face smoke inlet, at the smoke inlet
Lower chamber in exhaust fan is installed, the import phase of the exhaust outlet of the exhaust fan and the exhaust duct set through partition plate
Connection, the air outlet of the exhaust duct is connected with the import of the tube side for the pipe heat exchanger being arranged on partition plate, described
The outlet of the tube side of pipe heat exchanger is connected with the import of exhaust duct, and the exhaust outlet of the exhaust duct is passed through at upper cavity
Housing is disposed in the outdoor, and air inlet is provided with the housing at the upper cavity, the air intake blower fan on partition plate into
Air port is connected by pipeline with air inlet and the air outlet of the air intake blower fan passes through pipeline and the cold sky of a four-way
Gas import is connected, and two heat exchange mouths of pipe of the four-way pass through the first connecting pipe, the second connecting pipe and heat exchange respectively
The shell side of device is connected, and the hot air outlet of the four-way passes through pipeline and the air inlet for the plenum chamber being installed in lower chamber
It is connected, the first solenoid valve is installed in first connecting pipe, between inlet of cold air and hot air outlet
Second solenoid valve is installed on the pipeline of four-way, the air outlet of the plenum chamber is oppositely arranged with double-deck blinds air outlet,
Temperature sensor, the controller and temperature sensor, exhaust fan, air intake blower fan, first are installed in the plenum chamber
Solenoid valve and second solenoid valve are connected by control line respectively.
Beneficial effect using the present invention is：(1) while efficient smoke exhaust efficiency is ensured, realize and oil smoke waste heat is returned
Receive, energy conservation and environmental protection.(2) fresh air is sent into the respiratory region of people, reduces the harm of smoke particle and gas to human body, while sent under side
Air curtain can reduce the excessive of oil smoke, further improve smoke exhaust efficiency.(3) realize smoke evacuation and send the dual-use function of fresh air, in the winter time
Recycling oil smoke waste heat heats fresh air, ensures the thermal comfort of air-supply, summer and conditioning in Transition Season also can normal uses.(4) may be used
Intelligent adjusting is carried out to the aperture of air intake blower fan and solenoid valve according to wind pushing temperature.(5) self-balancing air inlet is used, ensures wind turbine
The stability of running environment.(6) using double-deck blinds air outlet, wind direction can be adjusted up and down, meet that different height operates
Person and the requirement of operating position, realize individual blowing.(7) it is laid with the inner and outer wall of exhaust fan and air intake blower fan housing
There are acoustic damping materials, can ensure that noise is small on the premise of institute's required airflow is provided.(8) design heat exchanger adaptation pipe fitting, installation and
It is easy to use.(9) integrated design saves installation space, ensure that indoor beauty.(10) housing uses aluminium alloy material
Material, effectively reduces distributing for pollution gas, safe.
Brief description of the drawings
Fig. 1-1 is a kind of master for kitchen ventilator with recuperation of heat and individual blowing that the embodiment of the present invention 1 provides
View；
Fig. 1-2 is the side view of the kitchen ventilator shown in Fig. 1-1；
Fig. 1-3 is the top view of the kitchen ventilator shown in Fig. 1-1；
Fig. 2-1 is a kind of master for kitchen ventilator with recuperation of heat and individual blowing that the embodiment of the present invention 2 provides
View；
Fig. 2-2 is the side view of the kitchen ventilator shown in Fig. 2-1；
Fig. 2-3 is the top view of the kitchen ventilator shown in Fig. 2-1；
Fig. 3-1,3-2,3-3,3-4 are a kind of kitchen ventilator with recuperation of heat and individual blowing provided by the invention
Pipe heat exchanger and heat exchanger adaptation pipe fitting 4 kinds of types of attachment；
Fig. 4-1,4-2,4-3,4-4 are a kind of kitchen ventilator with recuperation of heat and individual blowing provided by the invention
Pipe heat exchanger 4 kinds of structures；
Fig. 5 is a kind of fundamental diagram of the kitchen ventilator with recuperation of heat and individual blowing provided by the invention.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
A kind of kitchen ventilator with recuperation of heat and individual blowing of the present invention as shown in drawings, it includes installation
Housing on hearth side wall, is provided with control system, the control system includes controller 3, in institute in the housing 1
Partition plate is installed in the housing stated the housing cavity body is divided into upper cavity and lower chamber, the housing at lower chamber
Front be provided with double-deck blinds air outlet 2, be provided with the bottom surface of the housing groove formed smoke collecting chamber 5, in groove
Housing bottom surface on be provided with smoke inlet, oil cleaner screen 9 is installed in the groove at face smoke inlet, at the smoke inlet
Exhaust fan 8, the exhaust outlet of the exhaust fan 8 and the import of the exhaust duct 6 set through partition plate are installed in lower chamber
It is connected, the air outlet of the exhaust duct is connected with the import 12b of the tube side 18 for the pipe heat exchanger 12 being arranged on partition plate
Lead to, the outlet 12a of the tube side of the pipe heat exchanger 12 is connected with the import of exhaust duct, the exhaust outlet of the exhaust duct
15 are disposed in the outdoor through the housing at upper cavity, and air inlet 16 is provided with the housing at the upper cavity, installed in every
The air inlet of air intake blower fan 11 on plate is connected by pipeline with air inlet and the air outlet of the air intake blower fan 11 leads to
Piping is connected with the inlet of cold air 13a of a four-way 13, and two heat exchange mouths of pipe of the four-way pass through first respectively
Connecting pipe, the second connecting pipe are connected with the shell side of heat exchanger, the hot air outlet 13b of the four-way by pipeline with
The air inlet of plenum chamber 10 in lower chamber is connected, and the first solenoid valve is provided with first connecting pipe
14a, second solenoid valve 14b is provided with the pipeline of the four-way between inlet of cold air 13a and hot air outlet 13b, described
The air outlet of plenum chamber 10 be oppositely arranged with double-deck blinds air outlet 2, temperature sensing is installed in the plenum chamber 10
Device 4.The controller 3 and temperature sensor 4, exhaust fan 8, air intake blower fan 11, the first solenoid valve 14a and second solenoid valve
14b is connected by control line respectively, and the controller reads the data that temperature sensor 4 is detected, and according to new air temperature tune
Save air intake blower fan 11 air quantity, the aperture of the first solenoid valve 14a and the aperture of second solenoid valve 14b, the controller 3 can be with
High, medium and low third gear Boiler pressure control air intake blower fan 11.In figure 17 be pipe heat exchanger 12 housing.
Preferably the housing 1 is horizontally disposed efficiently uses space.
The preferable air inlet 16 is self-balancing air inlet and horizontally disposed, ensures that air intake blower fan 11 is run
The stability of environment.
The preferable double-deck blinds air outlet 2 is horizontally disposed, can adjust wind direction up and down, meet different
High speed operation person and the requirement of operating position, the bilayer blinds air outlet 2 is strip, can form under side curtain of blowing.
Acoustic damping materials are equipped with the inner and outer wall of 11 shell of the preferable exhaust fan 8 and air intake blower fan, can
Ensure that noise is small on the premise of institute's required airflow is provided.
The preferable pipe heat exchanger 12 and four-way 13 are horizontally disposed.
Preferable housing 1 uses aluminum alloy materials, effectively reduces distributing for pollution gas, safe.
Fig. 2 show an alternative embodiment of the invention, and the example structure and 1 structure of embodiment are essentially identical, difference
It is that pipe heat exchanger 12 described in this implementation and four-way 13 are arranged vertically.
The course of work of the present apparatus is as follows：
The four-way 13 is used with the pipe heat exchanger 12 collocation, and summer and conditioning in Transition Season, the first solenoid valve 14a are closed,
Second solenoid valve 14b is opened, and fresh air is entered by the inlet of cold air 13a of four-way 13, without pipe heat exchanger 12, directly from
Hot air outlet 13b is discharged, and into plenum chamber 10, is blown by the double-deck blinds air outlet 2 to the respiratory region of people, winter,
First solenoid valve 14a is opened, and second solenoid valve 14b is closed, and fresh air enters the tubular type by the inlet of cold air 13a of four-way 13
Heat exchanger 12, discharges from hot air outlet 13b after the outer surface realization heating for the shell side for washing away the pipe heat exchanger 12, enters
The plenum chamber 10, is blown by the bilateral blinds air outlet 2 to the respiratory region of people.
Although above in conjunction with attached drawing, invention has been described, and the invention is not limited in above-mentioned specific implementation
Mode, the invention can be equally applied in the case combined with other forms kitchen ventilator, can equally be played more than recycling oil smoke
Heat, realizes individual blowing, improves the effect of cooking area air quality.
Claims (7)
1. a kind of kitchen ventilator with recuperation of heat and individual blowing, it includes the housing being installed on hearth side wall,
Control system is installed, the control system includes controller in the housing, it is characterised in that：Pacify in the housing
The housing cavity body is divided into upper cavity and lower chamber equipped with partition plate, the front of the housing at lower chamber is provided with
Double-deck blinds air outlet, groove is provided with the bottom surface of the housing and forms smoke collecting chamber, is opened in the housing bottom surface of groove
There is smoke inlet, oil cleaner screen is installed in the groove at face smoke inlet, be provided with the lower chamber at the smoke inlet
Exhaust fan, the import of exhaust duct of the exhaust outlet of the exhaust fan with being set through partition plate are connected, the air draft
The air outlet of pipe is connected with the import of the tube side for the pipe heat exchanger being arranged on partition plate, the tube side of the pipe heat exchanger
Outlet be connected with the import of exhaust duct, the exhaust outlet of the exhaust duct is disposed in the outdoor through the housing at upper cavity,
Be provided with air inlet on the housing at the upper cavity, the air inlet of the air intake blower fan on partition plate by pipeline with into
Air port is connected and the air outlet of the air intake blower fan is connected by pipeline with the inlet of cold air of a four-way, described
Two of the four-way heat exchange mouths of pipe be connected respectively by the first connecting pipe, the second connecting pipe with the shell side of heat exchanger, institute
The hot air outlet for the four-way stated is connected by pipeline with the air inlet of the plenum chamber in the lower chamber, described the
First solenoid valve is installed in one connecting pipe, is provided with the pipeline of the four-way between inlet of cold air and hot air outlet
Second solenoid valve, the air outlet of the plenum chamber are oppositely arranged with double-deck blinds air outlet, are installed in the plenum chamber
There are temperature sensor, the controller and temperature sensor, exhaust fan, air intake blower fan, the first solenoid valve and the second electromagnetism
Valve is connected by control line respectively.
2. the kitchen ventilator with recuperation of heat and individual blowing according to claim 1, it is characterised in that：It is described into
Air port is self-balancing air inlet and horizontally disposed.
3. the kitchen ventilator with recuperation of heat and individual blowing according to claim 1, it is characterised in that：It is described double
Layer blinds air outlet is horizontally disposed, and the bilayer blinds air outlet is strip.
4. the kitchen ventilator with recuperation of heat and individual blowing according to claim 1, it is characterised in that：The row
Acoustic damping materials are equipped with the inner and outer wall of wind wind turbine and air intake blower fan shell.
5. the kitchen ventilator with recuperation of heat and individual blowing according to claim 1, it is characterised in that：The shell
Body is horizontally disposed.
6. the kitchen ventilator with recuperation of heat and individual blowing according to one of claim 1-5, it is characterised in that：
The horizontally disposed or described pipe heat exchanger of the pipe heat exchanger and four-way and four-way are arranged vertically.
7. the kitchen ventilator with recuperation of heat and individual blowing according to one of claim 1-5, it is characterised in that：
The housing uses aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610668094.9A CN106123072B (en) | 2016-08-11 | 2016-08-11 | Range hood with heat recovery and personalized air supply functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610668094.9A CN106123072B (en) | 2016-08-11 | 2016-08-11 | Range hood with heat recovery and personalized air supply functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106123072A CN106123072A (en) | 2016-11-16 |
| CN106123072B true CN106123072B (en) | 2018-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610668094.9A Active CN106123072B (en) | 2016-08-11 | 2016-08-11 | Range hood with heat recovery and personalized air supply functions |
Country Status (1)
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439977A (en) * | 2016-11-22 | 2017-02-22 | 沈阳建筑大学 | Energy-saving kitchen air exchange device |
| CN108613320A (en) * | 2016-12-11 | 2018-10-02 | 陈琛 | A kind of kitchen heat exchange type fresh air system |
| CN108240692B (en) * | 2016-12-23 | 2024-01-16 | 宁波方太厨具有限公司 | Kitchen fresh air system |
| CN106855256B (en) * | 2017-02-13 | 2023-11-17 | 贵州红太阳环保厂 | Automatic wash oil smoke clarifier and kitchen utensils and appliances |
| CN107449007A (en) * | 2017-09-15 | 2017-12-08 | 华帝股份有限公司 | A kind of range hood |
| CN110657515B (en) * | 2018-06-29 | 2021-11-19 | 宁波方太厨具有限公司 | Kitchen air conditioning system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0894140A (en) * | 1994-09-28 | 1996-04-12 | Takenaka Komuten Co Ltd | Air intake and exhaust system for kitchen |
| DE102012012551A1 (en) * | 2012-06-23 | 2013-12-24 | Heinrich Wagener | Ventilation arrangement with an extractor hood |
| CN104764065A (en) * | 2014-04-29 | 2015-07-08 | 荣国华 | Heat exchanger for recovery of heat of oil fume in kitchen |
| CN104764136A (en) * | 2015-04-09 | 2015-07-08 | 长春工程学院 | Ventilation device with oily fume purification, air change and heat exchange functions for kitchen |
| CN204693544U (en) * | 2015-05-27 | 2015-10-07 | 中煤西安设计工程有限责任公司 | A kind of inclined tube-type preheater for kitchen use |
| CN204830084U (en) * | 2015-04-13 | 2015-12-02 | 荣国华 | Retrieve heat exchanger of cooking oil fumes heat energy |
| CN204962899U (en) * | 2015-07-02 | 2016-01-13 | 青岛科瑞新型环保材料有限公司 | Residual heat utilization system of range hood |
| CN205897295U (en) * | 2016-08-11 | 2017-01-18 | 天津大学 | Lampblack absorber with heat recovery and individualized air supply function |
-
2016
- 2016-08-11 CN CN201610668094.9A patent/CN106123072B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0894140A (en) * | 1994-09-28 | 1996-04-12 | Takenaka Komuten Co Ltd | Air intake and exhaust system for kitchen |
| DE102012012551A1 (en) * | 2012-06-23 | 2013-12-24 | Heinrich Wagener | Ventilation arrangement with an extractor hood |
| CN104764065A (en) * | 2014-04-29 | 2015-07-08 | 荣国华 | Heat exchanger for recovery of heat of oil fume in kitchen |
| CN104764136A (en) * | 2015-04-09 | 2015-07-08 | 长春工程学院 | Ventilation device with oily fume purification, air change and heat exchange functions for kitchen |
| CN204830084U (en) * | 2015-04-13 | 2015-12-02 | 荣国华 | Retrieve heat exchanger of cooking oil fumes heat energy |
| CN204693544U (en) * | 2015-05-27 | 2015-10-07 | 中煤西安设计工程有限责任公司 | A kind of inclined tube-type preheater for kitchen use |
| CN204962899U (en) * | 2015-07-02 | 2016-01-13 | 青岛科瑞新型环保材料有限公司 | Residual heat utilization system of range hood |
| CN205897295U (en) * | 2016-08-11 | 2017-01-18 | 天津大学 | Lampblack absorber with heat recovery and individualized air supply function |
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| Publication number | Publication date |
|---|---|
| CN106123072A (en) | 2016-11-16 |
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