CN201145336Y - Energy-saving type gas kitchen ranges combination system - Google Patents
Energy-saving type gas kitchen ranges combination system Download PDFInfo
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- CN201145336Y CN201145336Y CNU2007201319950U CN200720131995U CN201145336Y CN 201145336 Y CN201145336 Y CN 201145336Y CN U2007201319950 U CNU2007201319950 U CN U2007201319950U CN 200720131995 U CN200720131995 U CN 200720131995U CN 201145336 Y CN201145336 Y CN 201145336Y
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Abstract
The utility model relates to an energy-saving gas range composite system, which is characterized in that: the energy-saving gas range composite system comprises a smoke exhauster (1), a kitchen range (2), a gas water heater (3) and a hot water heating device, wherein, the smoke exhauster (1) is positioned above the kitchen range (2) which is arranged on a kitchen cabinet (5); the gas water heater (3) is arranged inside the kitchen cabinet (5); the hot water heating device is connected with the gas water heater (3) through a water inlet pipe (4) and a water outlet pipe (6); an expansion tank (7) is arranged aside the water inlet pipe (4) and the water outlet pipe (6); a hearth waste heat collecting device (11) and a temperature control probe (12) are arranged on the periphery of the kitchen range (2); the temperature control probe (12) is connected with a gas valve; the waste heat connecting device (11) is connected with a waste heat connecting tank (13) through a water pipe; the waste heat connecting tank (13) is connected with a sanitary hot water heat exchanger (14) through a water pipe; and a hot water inlet of the sanitary hot water heat exchanger (14) is simultaneously communicated with the water outlet pipe (6) of the hot water heating device. The energy-saving gas range composite system is characterized by small volume, energy conservation and convenient assembly and maintenance.
Description
Technical field
The utility model relates to a kind of kitchen utensils, especially a kind ofly can maximally utilise heat energy, and various gas combustion apparatus are combined to reduce the gas burning system of installation workload, specifically a kind of economical gas tool combined system.
Background technology
As everyone knows, existing kitchen range, electric oven, fuel gas oven, water heater are the high energy consumption product, in the use, install because of each product is independent mutually, not only increased mounting cost, occupied the more interior space, and a large amount of thermal loss has been arranged, more can't collect, cause very big waste waste heat.
Summary of the invention
The purpose of this utility model is that all to disperse to install the floor space of being brought at existing gas appliance big, need repeat to install, and the problem that thermal loss is big designs a kind of economical gas tool combined system.
The technical solution of the utility model is:
A kind of economical gas tool combined system, it is characterized in that it comprises lampblack absorber 1, kitchen range 2, gas heater 3, hot water heating device, lampblack absorber 1 is positioned at the top of kitchen range 2, kitchen range 2 are installed on the kitchen range cabinet 5, gas heater 3 is installed in the kitchen range cabinet 5, and the hot water heating device links to each other with gas heater 3 by water inlet pipe and water outlet pipe 4,6, the other expansion tank 7 that is connected on water inlet pipe and water outlet pipe 4,6; Two sides at kitchen range 2 respectively are equipped with a side shield 8; Exhaust fume collecting hood 9 is installed on gas heater 3, and the upper end of exhaust fume collecting hood 9 communicates with the exhaust passage of lampblack absorber 1, and flue condenser 10 is installed in exhaust fume collecting hood 9, and flue condenser 10 strings are contained on hot water heating device's the water inlet pipe 4; Kitchen range top residual heat collection device 11 and temperature probe 12 are installed around kitchen range 2, temperature probe 12 links to each other with gas valve, residual heat collection device 11 links to each other with residual heat collection water tank 13 by water pipe, residual heat collection water tank 13 links to each other with health hot water heat exchanger 14 by water pipe, and the water inlet of hot water while of health hot water heat exchanger 14 communicates with the outlet pipe 6 among the hot water heating device.
One or more combination in electric oven, gas burning roastor, disinfection cabinet, dish-washing machine or the kitchen cabinet is installed in kitchen range cabinet 5.
Electric oven or gas burning roastor 15 are installed in kitchen range cabinet 5, around electric oven 15 baking oven residual heat collection device 16 and temperature sensor 17 thereof are installed, baking oven residual heat collection device 16 links to each other with residual heat collection water tank 13 by water pipe.
Foldable transparent front apron is installed in the dead ahead of lampblack absorber 1, and it forms the space of a relative closure with two side shields 8 above kitchen range, can finish lampblack-pumped work under very little negative pressure.
The beneficial effects of the utility model:
The utility model is integrated in one kitchen range, water heater, boiler, smoke exhaust ventilator, residual heat collection, baking oven, is a kind of kitchen of new generation energy-saving gas, electric tool combined system, and each unit is independently modularized design all, is easy to change and maintenance.The combustion gas tool and the electrical equipment of each scattered installation in original kitchen and the family are carried out the combination of science, form an organic whole, save overall space; And the waste heat of various combustion gas, electrical device can be collected and is utilized; Combined system is integrated the smoke evacuation system of gas heater and the gas extraction system of smoke exhaust ventilator, avoids the multiple punching and the installation of chimney passage; This system uses the gas pipeline in kitchen simultaneously, avoids changing its course of gas pipeline, can prevent effectively that combustion gas from changing its course and the danger that causes, standard the house design.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the three-dimensional decomposition texture schematic diagram of Fig. 1.
Fig. 3 is a hot-water heating system principle schematic of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in Figure 1, 2, 3.
Among the figure: 1 is lampblack absorber, and 2 is kitchen range, and 3 is gas heater 3,4 is that water inlet pipe 4,5 is the kitchen range cabinet, and 6 is outlet pipe, 7 is expansion tank, and 8 is that side shield 9 is exhaust fume collecting hood, and 10 is the flue condenser, 11 is kitchen range top residual heat collection device, 12 is temperature probe, and 13 is the residual heat collection water tank, and 14 is the health hot water heat exchanger, 15 is electric oven, 16 is baking oven residual heat collection device, and 17 is temperature sensor, and 18 for being installed in the discharge pipe at lampblack absorber top, 19 is gas-cooker control system (same as the prior art), 20 is water heater leaving water temperature display screen, and 21 is the heater switch, and 22 is cooling water inlet, 23 is fuel gas inlet, 24 is hot water outlet, and 25 is the water yield adjusting knob, and 26 is the large and small fire adjusting knob, 27 are the heating circulating water intake, 28 are the heating circulating water outlet, and 29 is automatic valve, and 30 is water flow switch, 31 is residual heat collection water water circulating pump, 32 is the gas path on-off valve, and 33 is water injection valve, and 34 is outlet valve, 35 is by-passing valve, 36 is the aqueous vapor interstage valve, and 37 is the flow switch restrictor ring, and 38 for going out water pump, 39 is draining valve, 40 are supply socket, and 41 is the water heater temperature probe, and 42 is the gas path on-off valve, 43 is electric T-shaped valve, and 44 are the heating water circulating pump.
A kind of economical gas tool combined system, it comprises lampblack absorber 1, kitchen range 2, gas heater 3, hot water heating device, lampblack absorber 1 is positioned at the top of kitchen range 2, kitchen range 2 are installed on the kitchen range cabinet 5, gas heater 3 is installed in the kitchen range cabinet 5, and the hot water heating device links to each other with gas heater 3 by water inlet pipe and water outlet pipe 4,6, the other expansion tank 7 that is connected on water inlet pipe and water outlet pipe 4,6; Two sides at kitchen range 2 respectively are equipped with a side shield 8; Exhaust fume collecting hood 9 is installed on gas heater 3, and the upper end of exhaust fume collecting hood 9 communicates with the exhaust passage of lampblack absorber 1, and flue condenser 10 is installed in exhaust fume collecting hood 9, and flue condenser 10 strings are contained on hot water heating device's the water inlet pipe 4; Kitchen range top residual heat collection device 11 and temperature probe 12 are installed around kitchen range 2, temperature probe 12 links to each other with gas valve, residual heat collection device 11 links to each other with residual heat collection water tank 13 by water pipe, residual heat collection water tank 13 links to each other with health hot water heat exchanger 14 by water pipe, and the water inlet of hot water while of health hot water heat exchanger 14 communicates with the outlet pipe 6 among the hot water heating device.As Fig. 1.
In addition, one or more combination in electric oven, gas burning roastor, disinfection cabinet, dish-washing machine or the kitchen cabinet can be installed in kitchen range cabinet 5, when the annex of installing in the kitchen range cabinet 5 is electric oven or gas burning roastor 15, consider from energy-conservation angle, around electric oven 15 baking oven residual heat collection device 16 and temperature sensor 17 thereof are installed also, baking oven residual heat collection device 16 links to each other with residual heat collection water tank 13 by water pipe.As shown in Figure 2.
Operation principle of the present utility model as shown in Figure 3.
In the kitchen range unit, be provided with flame-out protection device (temperature probe 12), when flame extinguishes unusually, do not leak for guaranteeing combustion gas, flame-out protection device detects does not have flame, the automatic self-closing gas valve.Kitchen range are when operate as normal, and medium is arranged, and promptly the food in the pot or water make the temperature of pot body itself be unlikely to too high absorbing the heat energy that kitchen range produced.But do not had food or water in pot, or food dryouied, the medium in the pot no longer absorbs these heat energy, thereby causes the temperature of pot body itself sharply to rise, make pot to be burnt, even more serious consequence such as breaking out of fire.This moment, temperature probe 12 of the present utility model just worked, and by the operating temperature of design temperature sensor, had only temperature sensor to detect temperature in the safe temperature of setting, and just kept gas valve to open.After it captures temperature anomaly, and temperature is higher than the safety test value of setting, send instruction by control module and in time cut off gas circuit, with the generation of stopping to endanger.When daily use kitchen range, what a large amount of heat energy that kitchen range produced really were absorbed and used is not 100%, wherein has three, four one-tenth heat energy is wasted.In order effectively to utilize these heat energy that is wasted, the kitchen range periphery around the heat collector of arranging by water the circulating collection heat and be used.When kitchen range were not worked, water also was immobilising.After kitchen range were started working, when but the said temperature sensor detected a higher normal flame temperature, it opened the circulation that water pump is realized water by the control control module, when the temperature that detects is not within setting range, closes the water circulation.This function is second function of temperature sensor (temperature probe 12), and promptly the said temperature set of sensors is prevented overheated and opened two kinds of functions of water circulating pump in one.The waste heat of above-mentioned collection can be used for the kitchen cleaning water, the water etc. of washing one's face and rinsing one's mouth, and the hot water of collection leaves a residual heat collection water tank 13 that places the kitchen range below in.During domestic water, when the coolant-temperature gage in the residual heat collection water tank 13 reached setting value, temperature inside sensor notice control module was opened the outlet valve 39 on the residual heat collection water tank 13, and used hot water is provided by the hot water that the waste heat of collecting produces, with energy savings.When the hot water temperature who collects the waste heat generation does not satisfy the demand, close the outlet valve 39 of residual heat collection water tank 13, open the water heater outlet valve, the hot water that uses main burner to produce.
In the smoke exhaust ventilator unit, traditional smoke exhaust ventilator below is that one side is by wall, three unlimited structures.When work, certain blower fan suction disperses to absorb oil smoke from three, and the suction of each face all weakens to some extent.When guaranteeing that all structures, function are identical with existing product on the market, the utility model each increase of two sides about below the lampblack absorber is provided with a side shield.The body of wall at the side shield of this two side and back forms the semi-closed structure that a three side sealing closes an opening like this, and under equal fan action, suction absorbs air fully from following unlimited entering, and has strengthened absorption oil smoke effect greatly.Simultaneously, can reduce the depth dimensions of smoke exhaust ventilator, avoid the user's potential safety hazard that can run into head in use of existing product on the market, safety is attractive in appearance again.Under the few culinary art situation of oil smoke such as Baoshang, use traditional smoke exhaust ventilator, even with low-power operation, very big noise is still arranged, and the utility model only needs front apron is left behind by the front apron of a positive top is set again this moment for this reason, make one of shape below the smoke exhaust ventilator only at the enclosure space of positive lower opening, like this, as long as a very little negative pressure just can be discharged all oil smoke.So smoke exhaust ventilator of the present utility model can be worked under lower power, save the energy, noise is very little simultaneously.Preposition baffle plate adopts transparent material, and in cooking process, the user can see through it and see working condition on the kitchen range.When not required, it can be packed up.In order to realize and the water heater shared exhaust passage that smoke exhaust ventilator is designed to the multichannel smoke exhaust ventilator, still a shared air outlet is avoided the multiple punching and the installation of chimney passage.The waste gas that water heater produces is realized pump drainage by the effect of smoke exhaust ventilator blower fan.When water heater working only, the blower fan of smoke exhaust ventilator is with lower rotation speed operation, and waste discharge gas is satisfied in the slow-speed of revolution, can reduce noise simultaneously.The user opens the middle and high speed shelves of smoke exhaust ventilator, to satisfy the mist extractor effect when culinary art.
The water heater unit places the back side lower part of kitchen range cabinet 5, thereby has avoided the traditional independent installation destruction to the irrational utilization and the overall aesthetic in space.Water heater has the hot water heating device, can realize Home Heating, bathing, washes one's face and rinses one's mouth, function such as cleaning kitchen warm water.When needs use water heater that hot water is provided, user's tap of fetching boiling water, control system such as aqueous vapor interstage valve etc. have received the water signal that flows, and open smoke exhaust ventilator automatically, and guarantee smoke exhaust ventilator with low-speed running, satisfy under the waste gas situation of discharging the water heater generation to reduce noise pollution.Under the smoke exhaust ventilator effect, will be in the combustion chamber may discharge by remaining imflammable gas, in case occur during igniting unexpectedly, guarantee user security.Then, through several second hands, the automatic ignition point burner of ignition system.When burner extinguished because of abnormal conditions, the flame detector that is arranged on the burner top cut off source of the gas immediately through control system, avoided dangerous and took place.After closing water heater, the blower fan of smoke exhaust ventilator still remains in operation several seconds, closes automatically after indoor to guarantee the discharge in time of burning indoor harmful gas.The hot water temperature that water heater provides can regulate, branch water in winter and water two selections greatly in summer, but hydrodynamic(al) is finely tuned or is regulated the flame size and the cold and hot water yield automatically by control system simultaneously, guarantees user's water temperature stabilization.When the user used this system to carry out domestic heating, water heater provided another set of independently circulation waterway, was provided with temperature sensor the heating system hot water exit simultaneously, was convenient to control heating temperature and was the set temperature of user.When heating temperature reached user's design temperature, water heater quit work.When temperature was lower than design temperature, water heater is lighted a fire once again provided heat.Be provided with expansion tank simultaneously, regulate the heating system internal pressure.
When water heater working, there are a large amount of high-temperature gases to flow through in the flue.This will be very big energy waste, so the utility model also adds condensing residual heat collection device in flue system, the high temperature in the flue fully be absorbed by condensing residual heat collection device, make the temperature at air outlet place remain on 50 degrees centigrade even lower.Water circulation in the residual heat collection device is: from then on cold water install the top and enter, and circulation downwards fully absorbs the waste heat in the flue, and when water was recycled to main heat exchanger, water temperature was risen to a higher temperature by waste heat.After entering main heat exchanger, under the burner effect, water temperature is further heated for use.Because of the water that enters main heat exchanger has had higher water temperature,, thereby reach purpose of energy saving so the power of burner all needs very big can satisfying the demand.Flue is assembled into an integral body with the residual heat collection device of inside, makes things convenient for user installation.The interior collection of flue waste heat water vapor condensation can occur and become water droplet, is provided with cold water gathering-device and water neutralising arrangement below flue, and the cold water of collecting is discharged in family's drainage system after neutralizing, and satisfies environmental requirement.Because of hot water heating device of the present utility model is different with traditional boiler, conventional boiler is because of restrictions such as volumes, and the heat-exchange device size is limited.In the native system, water heater is arranged on the bottom, and flue is very high, and the whole system rear side has very that large space is provided with heat-exchange device, so native system is than high many of the existing boiler hot utilization rate in market.For preventing that the section of the having time in winter from not using water heater to collect that water freezes in the waste heat apparatus, on residual heat collection device circulation pipe, can establish a temperature sensor, when water temperature low when freezing critical-temperature, be arranged on the electric heater work automatically on the residual heat collection device, the circulating pump of fetching boiling water simultaneously; When water temperature is higher than when freezing critical-temperature, electric heater quits work and cuts out water-circulating pump simultaneously.
In the baking oven unit, no matter be electric oven, or fuel gas oven, in use, there is a big chunk heat outwards to shed and causes waste.In the tradition baking oven, for fear of the harm that high temperature sheds and causes, existing product is all made in heat radiation place heat-barrier material is set.This part heat can not be used effectively like this.In the new system, heat collector is arranged in the baking oven top, and is similar with above-mentioned heat collector, by the switch of temperature sensor control water circulating pump, and the waste heat of collecting is stored in the hot water pattern collects in the water tank.Simultaneously,, impact with the high temperature that prevents water heater performance and the life-span near one deck thermal insulation layer being set outside the water heater at the heat collector rear side baking oven.In addition, the baking oven unit carries out the equipment such as dish-washing machine, fuel gas oven, electric oven, kitchen cabinet that are replaced with of different content according to client's actual needs.
Each component units of in the utility model other also can select the product with said function of different shaping to make up by user preferences.The positive integral panels that adopts is provided with the blue background lamp in all operations parts back.Behind panel opening, the replacing of cabinet unit and the connection of all inner water, electricity, gas can carry out disinfection.The inlet port of cold water and hot water outlet are arranged on the side of system; Total source of the gas access port is arranged on the side equally.In order still to use other unit when the repair and replacement different units, be provided with independent valve with each junction, unit inner.
Claims (4)
1, a kind of economical gas tool combined system, it is characterized in that it comprises lampblack absorber (1), kitchen range (2), gas heater (3), hot water heating device, lampblack absorber (1) is positioned at the top of kitchen range (2), kitchen range (2) are installed on the kitchen range cabinet (5), gas heater (3) is installed in the kitchen range cabinet (5), and the hot water heating device links to each other with gas heater (3) by water inlet pipe and water outlet pipe (4,6), go up the other expansion tank (7) that is connected at water inlet pipe and water outlet pipe (4,6); Two sides at kitchen range (2) respectively are equipped with a side shield (8); Exhaust fume collecting hood (9) is installed on gas heater (3), the upper end of exhaust fume collecting hood (9) communicates with the exhaust passage of lampblack absorber (1), flue condenser (10) is installed in exhaust fume collecting hood (9), and flue condenser (10) string is contained on hot water heating device's the water inlet pipe (4); Kitchen range top residual heat collection device (11) and temperature probe (12) are installed around kitchen range (2), temperature probe (12) links to each other with gas valve, residual heat collection device (11) links to each other with residual heat collection water tank (13) by water pipe, residual heat collection water tank (13) links to each other with health hot water heat exchanger (14) by water pipe, and the water inlet of hot water while of health hot water heat exchanger (14) communicates with the outlet pipe (6) among the hot water heating device.
2, economical gas tool combined system according to claim 1 is characterized in that being equipped with a kind of or some kinds of combinations in electric oven, gas burning roastor, disinfection cabinet, dish-washing machine or the kitchen cabinet in kitchen range cabinet (5).
3, economical gas tool combined system according to claim 1, it is characterized in that in kitchen range cabinet (5), being equipped with electric oven or gas burning roastor (15), around electric oven (15) baking oven residual heat collection device (16) and temperature sensor (17) thereof are installed, baking oven residual heat collection device (16) links to each other with residual heat collection water tank (13) by water pipe.
4, economical gas tool combined system according to claim 1 is characterized in that in the dead ahead of lampblack absorber (1) foldable transparent front apron being installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201319950U CN201145336Y (en) | 2007-12-27 | 2007-12-27 | Energy-saving type gas kitchen ranges combination system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201319950U CN201145336Y (en) | 2007-12-27 | 2007-12-27 | Energy-saving type gas kitchen ranges combination system |
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| Publication Number | Publication Date |
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| CN201145336Y true CN201145336Y (en) | 2008-11-05 |
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| CNU2007201319950U Expired - Fee Related CN201145336Y (en) | 2007-12-27 | 2007-12-27 | Energy-saving type gas kitchen ranges combination system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818299A (en) * | 2012-09-17 | 2012-12-12 | 青岛大学 | Environment-friendly gas-fired household heating device |
| CN102920188A (en) * | 2012-11-06 | 2013-02-13 | 南通芯迎设计服务有限公司 | Intelligent cupboard capable of using dissipated heat of gas stove |
| CN104296198A (en) * | 2014-11-03 | 2015-01-21 | 昆山富凌能源利用有限公司 | Seal-type auto-control energy-saving kitchen waste heat recovery and circulation water heater |
| CN104633731A (en) * | 2015-01-27 | 2015-05-20 | 绍兴吾家电器有限公司 | Multifunctional integrated cooker with waste heat collection devices |
| CN104921477A (en) * | 2015-07-08 | 2015-09-23 | 无锡市翱宇特新科技发展有限公司 | Multifunctional cooking bench |
| CN104983380A (en) * | 2015-07-13 | 2015-10-21 | 佛山市南海有田商用厨房设备有限公司 | Gas heater and gas dish washer with same |
| CN105864858A (en) * | 2016-06-15 | 2016-08-17 | 珠海格力电器股份有限公司 | Extractor hood |
| CN107246730A (en) * | 2017-07-31 | 2017-10-13 | 吴美君 | A kind of kitchen water-saving energy conserving system |
| CN112254191A (en) * | 2020-10-26 | 2021-01-22 | 黎辉 | Integrated kitchen range |
| CN112484101A (en) * | 2020-11-11 | 2021-03-12 | 谭朝洪 | Gas stove waste heat recovery device and use method thereof |
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2007
- 2007-12-27 CN CNU2007201319950U patent/CN201145336Y/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818299B (en) * | 2012-09-17 | 2014-10-08 | 青岛大学 | Environment-friendly gas-fired household heating device |
| CN102818299A (en) * | 2012-09-17 | 2012-12-12 | 青岛大学 | Environment-friendly gas-fired household heating device |
| CN102920188B (en) * | 2012-11-06 | 2017-02-08 | 北京黎明文仪家具有限公司 | Intelligent cupboard capable of using dissipated heat of gas stove |
| CN102920188A (en) * | 2012-11-06 | 2013-02-13 | 南通芯迎设计服务有限公司 | Intelligent cupboard capable of using dissipated heat of gas stove |
| CN104296198A (en) * | 2014-11-03 | 2015-01-21 | 昆山富凌能源利用有限公司 | Seal-type auto-control energy-saving kitchen waste heat recovery and circulation water heater |
| CN104633731A (en) * | 2015-01-27 | 2015-05-20 | 绍兴吾家电器有限公司 | Multifunctional integrated cooker with waste heat collection devices |
| CN104633731B (en) * | 2015-01-27 | 2017-11-24 | 绍兴吾家电器有限公司 | A kind of multi-functional integrated range with surplus heat collection device |
| CN104921477A (en) * | 2015-07-08 | 2015-09-23 | 无锡市翱宇特新科技发展有限公司 | Multifunctional cooking bench |
| CN104983380A (en) * | 2015-07-13 | 2015-10-21 | 佛山市南海有田商用厨房设备有限公司 | Gas heater and gas dish washer with same |
| CN104983380B (en) * | 2015-07-13 | 2018-12-11 | 佛山市南海有田商用厨房设备有限公司 | Fuel gas bowl washing machine |
| CN105864858A (en) * | 2016-06-15 | 2016-08-17 | 珠海格力电器股份有限公司 | Extractor hood |
| CN107246730A (en) * | 2017-07-31 | 2017-10-13 | 吴美君 | A kind of kitchen water-saving energy conserving system |
| CN108105811A (en) * | 2017-07-31 | 2018-06-01 | 吴美君 | A kind of method of saving water and energy for kitchen |
| CN108105811B (en) * | 2017-07-31 | 2019-05-03 | 吴美君 | A kind of method of saving water and energy for kitchen |
| CN112254191A (en) * | 2020-10-26 | 2021-01-22 | 黎辉 | Integrated kitchen range |
| CN112484101A (en) * | 2020-11-11 | 2021-03-12 | 谭朝洪 | Gas stove waste heat recovery device and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081105 Termination date: 20121227 |