CN110986240A - Fresh air system for kitchen air conditioning - Google Patents
Fresh air system for kitchen air conditioning Download PDFInfo
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- CN110986240A CN110986240A CN201911397973.2A CN201911397973A CN110986240A CN 110986240 A CN110986240 A CN 110986240A CN 201911397973 A CN201911397973 A CN 201911397973A CN 110986240 A CN110986240 A CN 110986240A
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- 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
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a fresh air system for kitchen air conditioning, which comprises a protective shell, wherein the outer wall of the center of the bottom of the protective shell is connected with a first exhaust pipe through a bolt, the outer wall of the top of the first exhaust pipe is connected with a second exhaust pipe through a bolt, the outer wall of the top of the other side of the protective shell is connected with a second air inlet pipe through a bolt, the outer walls of the top and one side of the bottom of the second air inlet pipe are connected with first air inlet pipes through bolts, and the inner walls of one ends of the circumferences of the two first air inlet pipes are connected with first filter screen plates through bolts. According to the fresh air system for kitchen air conditioning, the second water guide pipe is arranged, the sponge sleeve is sleeved on the outer wall of the circumference of the second water guide pipe, clean water can be pumped into the water seepage head by the water suction pump and seeps into the sponge sleeve, and air can be effectively humidified during air draft to the inside of a kitchen, so that the humidity of the air is improved, and the air environment is improved.
Description
Technical Field
The invention relates to the technical field of fresh air systems, in particular to a fresh air system for kitchen air conditioning.
Background
The fresh air system is a set of independent air processing system consisting of an air supply system and an air exhaust system and is divided into a pipeline type fresh air system and a pipeline-free fresh air system. The pipeline type fresh air system consists of a fresh air fan and pipeline accessories, outdoor air is purified by the fresh air fan and is led into a room, and indoor air is discharged through a pipeline; the ductless fresh air system is composed of a fresh air fan, and the fresh air fan is used for purifying outdoor air and guiding the outdoor air into a room.
In the house life process, the kitchen is inside because the rubbish after cooking can produce the oil smoke and wash the dish can produce the peculiar smell, for the inside air in effectual improvement kitchen, need set up a new trend system in the inside in kitchen, current new trend system is in the use, can not be when adjusting air circumstance, for dry air increases humidity, carry out convenient the temperature regulation to the air, can not satisfy the requirement of people to the comfort level, consequently need design a neotype for kitchen air condition new trend system and solve above-mentioned problem.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a fresh air system for kitchen air conditioning.
In order to achieve the purpose, the invention adopts the following technical scheme:
a fresh air system for kitchen air conditioning comprises a protective shell, wherein the outer wall of the center of the bottom of the protective shell is connected with a first exhaust pipe through bolts, the outer wall of the top of the first exhaust pipe is connected with a second exhaust pipe through bolts, the outer wall of the top of the other side of the protective shell is connected with a second air inlet pipe through bolts, the outer walls of the top and one side of the bottom of the second air inlet pipe are connected with first air inlet pipes through bolts, the inner wall of one end of the circumference of each of the two first air inlet pipes is connected with a first filter screen plate through bolts, the inner wall of one end, close to the first filter screen plate, of the circumference of the two first air inlet pipes is connected with second water guide pipes which are obliquely arranged through bolts, the outer wall of one side of the top of the protective shell is connected with a water storage box through bolts, the outer wall of one side of the bottom of the water storage box is connected with first water guide pipes through bolts, and, the inner wall of the other side of the top of one of the first air inlet pipes is connected with a semiconductor refrigeration piece through a bolt, and the inner wall of the other end of the circumference of the other one of the first air inlet pipes is connected with a heating screen plate through a bolt.
Preferably, the circumference one end inner wall of second air-supply line has the active carbon otter board through bolted connection, the circumference of second air-supply line is close to the one end inner wall of active carbon otter board and has the third to filter the otter board through bolted connection, two the circumference other end inner wall of first air-supply line all has first solenoid valve through bolted connection.
Preferably, the outer wall of the other side of the top of the second air inlet pipe is connected with a first exhaust fan through a bolt, and the inner wall of the other end of the circumference of the second air inlet pipe is connected with a fourth filter screen plate through a bolt.
Preferably, the inner wall of the top of the circumference of the first exhaust duct is connected with an oil blocking cover through a bolt, the outer wall of the circumference of the oil blocking cover is provided with first air guide holes which are uniformly arranged, the inner wall of the top of the circumference of the oil blocking cover is connected with a supporting plate through a bolt, the outer wall of the top of the supporting plate is provided with second air guide holes which are uniformly arranged, and the outer wall of the bottom of the supporting plate is connected with conical blocks which are uniformly arranged through a bolt.
Preferably, the outer walls of the two sides of the bottom of the oil blocking cover are connected with supporting rods through bolts, and the outer walls of the bottoms of the two supporting rods are connected with the same oil storage tank through bolts.
Preferably, there is the second air exhauster top central authorities outer wall of second exhaust pipe through bolted connection, there is the second filter plate board circumference other end inner wall of second exhaust pipe through bolted connection, there is the supporting shoe all through bolted connection in the opposite side four corners outer wall of support casing, there is the inlet tube top outer wall of water storage box through bolted connection, and there is the inlet tube lid circumference top outer wall of inlet tube through threaded connection.
Preferably, the inner walls of the top of the circumferences of the two second water guide pipes are connected with second electromagnetic valves through bolts, the outer walls of the circumferences of the two second water guide pipes are connected with water seepage heads which are uniformly arranged through bolts, and the outer walls of the circumferences of the two second water guide pipes are sleeved with sponge sleeves.
Preferably, heating otter board, suction pump, first solenoid valve, second solenoid valve, semiconductor refrigeration piece, first air exhauster and second air exhauster all have the controller through switch electric connection, and controller, heating otter board, suction pump, first solenoid valve, second solenoid valve, semiconductor refrigeration piece, first air exhauster and second air exhauster all have the power through wire electric connection.
The invention has the beneficial effects that:
1. according to the fresh air system for kitchen air conditioning, the first exhaust pipe and the second exhaust pipe are arranged, air in a kitchen can be pumped to the outside by the second exhaust fan, and the first air inlet pipe and the second air inlet pipe are arranged, so that outdoor air can be pumped to the inside of the kitchen by the first exhaust fan, effective circulation flow of air inside and outside the kitchen is realized, and the air quality in the kitchen is improved.
2. According to the fresh air system for kitchen air conditioning, the oil interception cover is arranged inside the first exhaust pipe, the first air guide holes are uniformly formed in the circumferential outer wall of the oil interception cover, in the air draft process, air in a kitchen can pass through the first air guide holes, oil droplets in the air can be in contact with the oil interception cover and then flow into the oil storage tank along the oil interception cover, effective purification and exhaust of the air in the kitchen are achieved, the environment pollution is avoided, meanwhile, the support plate is arranged inside the oil interception cover, and the second air guide holes and the conical blocks are formed in the support plate, so that the oil interception effect can be further improved, the oil droplets flow down along the conical blocks, and the purification effect of the exhausted air is further improved.
3. According to the fresh air system for kitchen air conditioning, the third filter screen plate and the activated carbon screen plate are arranged in the second air inlet pipe, so that air sucked into a kitchen can be purified and filtered, peculiar smell of the sucked air can be removed, and the purification effect of the sucked air is improved.
4. According to the fresh air system for kitchen air conditioning, the second water guide pipe is arranged in the first air inlet pipe, the sponge sleeve is sleeved on the circumferential outer wall of the second water guide pipe, clean water can be pumped into the water seepage head by the water suction pump and permeates into the sponge sleeve, and air can be effectively humidified during air draft to the interior of a kitchen, so that the humidity of the air is improved, and the air environment is improved.
5. According to the fresh air system for kitchen air conditioning, the semiconductor refrigerating sheet and the heating screen plate are arranged in the two first air inlet pipes respectively, so that the temperature of air can be adjusted according to seasons, when the temperature of the air is low, the heating screen plate and the second electromagnetic valve below the heating screen plate can be opened, the second electromagnetic valve above the heating screen plate can be closed, air exhaust is conducted, when the temperature of the air is high, the semiconductor refrigerating sheet and the second electromagnetic valve above the heating screen plate can be opened, the second electromagnetic valve below the heating screen plate can be closed, and effective adjustment of the air temperature is achieved.
Drawings
Fig. 1 is a schematic cross-sectional view of a fresh air system for kitchen air conditioning according to the present invention;
FIG. 2 is a schematic cross-sectional view of a support plate of a fresh air system for kitchen air conditioning according to the present invention;
fig. 3 is a schematic cross-sectional view illustrating a second water guiding duct of the fresh air system for kitchen air conditioning according to the present invention;
fig. 4 is a schematic view of a bottom view of an oil blocking cover of the fresh air system for kitchen air conditioning according to the present invention.
In the figure: the device comprises an oil storage tank 1, a supporting rod 2, an oil intercepting cover 3, a first air guide hole 4, a protective shell 5, a heating screen plate 6, a sponge sleeve 7, a first water guide pipe 8, a first air inlet pipe 9, a water suction pump 10, a water storage tank 11, a semiconductor refrigerating sheet 12, an active carbon screen plate 13, a third filter screen plate 14, a first exhaust fan 15, a second air inlet pipe 16, a second exhaust fan 17, a second exhaust pipe 18, a supporting block 19, a first exhaust pipe 20, a second air guide hole 21, a supporting plate 22, a conical block 23, a water seepage head 24 and a second water guide pipe 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a fresh air system for kitchen air conditioning comprises a protective casing 5, the bottom central outer wall of the protective casing 5 is connected with a first exhaust duct 20 through bolts, the top outer wall of the first exhaust duct 20 is connected with a second exhaust duct 18 through bolts, the other side top outer wall of the protective casing 5 is connected with a second air inlet duct 16 through bolts, the top and bottom side outer walls of the second air inlet duct 16 are connected with first air inlet ducts 9 through bolts, the inner walls of one ends of the circumferences of the two first air inlet ducts 9 are connected with first filter screen plates through bolts, the inner walls of one ends of the circumferences of the two first air inlet ducts 9 close to the first filter screen plates are connected with second water guide pipes 25 which are obliquely arranged through bolts, the top side outer wall of the protective casing 5 is connected with a water storage tank 11 through bolts, and the bottom side outer wall of the water storage tank 11 is connected with a first water guide, the top and bottom outer walls of one end of the first water guide pipe 8 are respectively connected with the top outer walls of the two second water guide pipes 25 through bolts, the inner wall of the other side of the top of one first air inlet pipe 9 is connected with a semiconductor refrigeration sheet 12 through bolts, and the inner wall of the other end of the circumference of the other first air inlet pipe 9 is connected with a heating screen plate 6 through bolts.
In the invention, the inner wall of one circumferential end of a second air inlet pipe 16 is connected with an activated carbon screen plate 13 through bolts, the inner wall of one end of the circumference of the second air inlet pipe 16, which is close to the activated carbon screen plate 13, is connected with a third filter screen plate 14 through bolts, the inner walls of the other circumferential ends of two first air inlet pipes 9 are both connected with a first electromagnetic valve through bolts, the outer wall of the other side of the top of the second air inlet pipe 16 is connected with a first exhaust fan 15 through bolts, the inner wall of the other circumferential end of the circumference of the second air inlet pipe 16 is connected with a fourth filter screen plate through bolts, the air exhaust direction of the first exhaust fan 15 is from the third filter screen plate 14 to the fourth filter screen plate, the inner wall of the top of the circumference of a first exhaust pipe 20 is connected with an oil interception cover 3 through bolts, the outer wall of the circumference of the oil interception cover 3 is provided with first air guide holes 4 which are uniformly arranged, the bottom outer wall of the supporting plate 22 is connected with uniformly arranged conical blocks 23 through bolts, the outer walls of two sides of the bottom of the oil intercepting cover 3 are connected with supporting rods 2 through bolts, the bottom outer walls of the two supporting rods 2 are connected with the same oil storage tank 1 through bolts, the top central outer wall of the second exhaust pipe 18 is connected with a second exhaust fan 17 through bolts, the inner wall of the other end of the circumference of the second exhaust pipe 18 is connected with a second filter screen plate through bolts, the air draft direction of the second exhaust fan 17 is from the second filter screen plate to the first exhaust pipe 20, the outer walls of four corners at the other side of the supporting shell 5 are connected with supporting blocks 19 through bolts, the outer wall of the other side of the top of the water storage box 11 is connected with a water inlet pipe through bolts, the outer wall of the top of the circumference of the water inlet pipe is connected with a, the outer walls of the circumferences of the two second water guide pipes 25 are connected with water seepage heads 24 which are uniformly arranged through bolts, the outer walls of the circumferences of the two second water guide pipes 25 are sleeved with sponge sleeves 7, the heating screen plate 6, the water suction pump 10, the first electromagnetic valve, the second electromagnetic valve, the semiconductor refrigeration piece 12, the first exhaust fan 15 and the second exhaust fan 17 are electrically connected with a controller through switches, the controller, the heating screen plate 6, the water suction pump 10, the first electromagnetic valve, the second electromagnetic valve, the semiconductor refrigeration piece 12, the first exhaust fan 15 and the second exhaust fan 17 are electrically connected with a power supply through wires, the model of the controller is DATA-7311, and the mesh size of the third filter screen plate 14 is smaller than that of the fourth filter screen plate.
The working principle is as follows: when in use, in the idle position of the device, all driving parts, which refer to power elements, electric devices and adaptive power supplies, are connected through leads, the electric connection among the electric devices is completed sequentially, a third connecting means is detailed, which is a known technology in the field, the following main description of the working principle and process is provided, without describing the electric control, then four supporting blocks 19 are installed on the wall body of the kitchen, the pipe orifices of a second air inlet pipe 16 and a second air outlet pipe 18 are positioned outdoors, when the air in the kitchen needs to be adjusted, a first exhaust fan 15 and a second exhaust fan 17 are started, the air in the kitchen is extracted outdoors by the second exhaust fan 17, the outdoor air is extracted into the kitchen by the first exhaust fan 15, the circulating flow of the air is realized, and in the process of extracting the air outwards, the air in the kitchen passes through the first air guide hole 4, the oil droplets in the air can contact with the oil interception cover 3 and then flow into the oil storage tank 1 along the oil interception cover 3, so that the kitchen air can be effectively purified and discharged, the environment pollution is avoided, meanwhile, the support plate 22 is arranged in the oil interception cover 1, and the second air guide hole 21 and the conical block 23 are arranged on the support plate 22, so that the oil interception effect can be further improved, the oil droplets flow down along the conical block 23, the purification effect of the discharged air is further improved, in the process of exhausting air indoors, the third filter screen plate 14 and the active carbon screen plate 13 are arranged, not only can the air pumped into the kitchen be purified and filtered, but also the peculiar smell in the air can be removed, the purification effect of the pumped air is improved, when the air temperature is lower, the heating screen plate 6 and the second electromagnetic valve below can be opened, the second electromagnetic valve above is closed, and air exhausting is carried out, when the air temperature is higher, the semiconductor refrigeration piece 12 and the second electromagnetic valve above the semiconductor refrigeration piece can be opened, and the second electromagnetic valve below the semiconductor refrigeration piece is closed, so that the air temperature can be effectively adjusted.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The fresh air system for kitchen air conditioning comprises a protective shell (5) and is characterized in that the outer wall of the center of the bottom of the protective shell (5) is connected with a first exhaust pipe (20) through bolts, the outer wall of the top of the first exhaust pipe (20) is connected with a second exhaust pipe (18) through bolts, the outer wall of the top of the other side of the protective shell (5) is connected with a second air inlet pipe (16) through bolts, the outer walls of the top and one side of the bottom of the second air inlet pipe (16) are connected with first air inlet pipes (9) through bolts, the inner wall of one end of the circumference of each first air inlet pipe (9) is connected with a first filter screen plate through bolts, the inner wall of one end, close to the first filter screen plate, of the circumference of each first air inlet pipe (9) is connected with a second water guide pipe (25) obliquely arranged through bolts, the outer wall of one side of the top of the protective shell, and the outer wall of one side of the bottom of the water storage tank (11) is connected with a first water guide pipe (8) through a bolt, the top and the bottom outer wall of one end of the first water guide pipe (8) are respectively connected with the top outer walls of two second water guide pipes (25) through bolts, one of the first water guide pipe and the second water guide pipe is connected with a semiconductor refrigerating sheet (12) through a bolt, and the other end of the inner wall of the circumference of the first air guide pipe (9) is connected with a heating screen plate (6) through a bolt.
2. The fresh air system for kitchen air conditioning according to claim 1, wherein an inner wall of one end of the circumference of the second air inlet pipe (16) is connected with an activated carbon screen plate (13) through bolts, an inner wall of one end of the circumference of the second air inlet pipe (16) close to the activated carbon screen plate (13) is connected with a third filter screen plate (14) through bolts, and inner walls of the other ends of the circumferences of the two first air inlet pipes (9) are connected with first electromagnetic valves through bolts.
3. The fresh air system for kitchen air conditioning according to claim 2, wherein the outer wall of the second air inlet pipe (16) on the other side of the top is connected with a first exhaust fan (15) through a bolt, and the inner wall of the second air inlet pipe (16) on the other end of the circumference is connected with a fourth filter screen plate through a bolt.
4. The fresh air system for kitchen air conditioning according to claim 3, wherein an inner wall of the top of the circumference of the first exhaust duct (20) is connected with an oil blocking cover (3) through bolts, the outer wall of the circumference of the oil blocking cover (3) is provided with uniformly arranged first air guide holes (4), the inner wall of the top of the circumference of the oil blocking cover (3) is connected with a support plate (22) through bolts, the outer wall of the top of the support plate (22) is provided with uniformly arranged second air guide holes (21), and the outer wall of the bottom of the support plate (22) is connected with uniformly arranged tapered blocks (23) through bolts.
5. The fresh air system for kitchen air conditioning according to claim 4, characterized in that the bottom two side outer walls of the oil interceptor hood (3) are connected with the support rods (2) by bolts, and the bottom outer walls of the two support rods (2) are connected with the same oil storage tank (1) by bolts.
6. The fresh air system for kitchen air conditioning according to claim 5, characterized in that the top center outer wall of the second exhaust duct (18) is connected with a second exhaust fan (17) through a bolt, the inner wall of the other end of the circumference of the second exhaust duct (18) is connected with a second filter screen plate through a bolt, the outer walls of the four corners of the other side of the support shell (5) are connected with support blocks (19) through bolts, the outer wall of the other side of the top of the water storage tank (11) is connected with a water inlet pipe through a bolt, and the outer wall of the top of the circumference of the water inlet pipe is connected with a water inlet pipe cover through a thread.
7. The fresh air system for kitchen air conditioning according to claim 5, wherein the inner walls of the top circumferences of the two second water guiding pipes (25) are connected with second electromagnetic valves through bolts, the outer walls of the circumferences of the two second water guiding pipes (25) are connected with water seepage heads (24) which are uniformly arranged through bolts, and the outer walls of the circumferences of the two second water guiding pipes (25) are sleeved with sponge sleeves (7).
8. The fresh air system for kitchen air conditioning according to claim 6, wherein the heating screen (6), the water pump (10), the first electromagnetic valve, the second electromagnetic valve, the semiconductor refrigeration sheet (12), the first exhaust fan (15) and the second exhaust fan (17) are electrically connected to a controller through a switch, and the controller, the heating screen (6), the water pump (10), the first electromagnetic valve, the second electromagnetic valve, the semiconductor refrigeration sheet (12), the first exhaust fan (15) and the second exhaust fan (17) are electrically connected to a power source through a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911397973.2A CN110986240A (en) | 2019-12-30 | 2019-12-30 | Fresh air system for kitchen air conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911397973.2A CN110986240A (en) | 2019-12-30 | 2019-12-30 | Fresh air system for kitchen air conditioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110986240A true CN110986240A (en) | 2020-04-10 |
Family
ID=70079087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911397973.2A Withdrawn CN110986240A (en) | 2019-12-30 | 2019-12-30 | Fresh air system for kitchen air conditioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110986240A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432263A (en) * | 2020-11-09 | 2021-03-02 | 好太太电器（中国）有限公司 | Novel cooling device |
-
2019
- 2019-12-30 CN CN201911397973.2A patent/CN110986240A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432263A (en) * | 2020-11-09 | 2021-03-02 | 好太太电器（中国）有限公司 | Novel cooling device |
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Application publication date: 20200410 |
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