CN107313984B - Gas water heater and flow guiding device - Google Patents
Gas water heater and flow guiding device Download PDFInfo
- Publication number
- CN107313984B CN107313984B CN201710531960.4A CN201710531960A CN107313984B CN 107313984 B CN107313984 B CN 107313984B CN 201710531960 A CN201710531960 A CN 201710531960A CN 107313984 B CN107313984 B CN 107313984B
- Authority
- CN
- China
- Prior art keywords
- air
- air outlet
- drainage
- channel
- water heater
- Prior art date
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/0027—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters using fluid fuel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
Abstract
The invention discloses a gas water heater and a flow guiding device, and relates to the field of water heaters. The invention provides a gas water heater, which comprises a water heater main body and a bladeless fan. The water heater body includes a housing and a burner. The shell encloses an airflow channel, and the burner is arranged inside the airflow channel. The air flow channel is provided with an air inlet. The bladeless fan is connected to the shell. And the bladeless fan is provided with an air outlet. The air outlet is matched with the air inlet. Comprises a diversion device main body and a bladeless fan. The guide device main body is provided with a guide channel, the guide channel is provided with an air inlet, the bladeless fan is connected to the guide device main body, the bladeless fan is provided with an air outlet, the air outlet is communicated with the guide channel through the air inlet, and the shape and the size of the air outlet are the same as those of the air inlet. The gas water heater and the guiding device provided by the invention have uniform wind power and wind direction.
Description
Technical Field
The invention relates to the field of water heaters, in particular to a gas water heater and a flow guiding device.
Background
The existing gas water heater basically uses centrifugal fans, and has the defects in the use process, such as uneven wind power in the water heater, noise generated by uneven combustion caused by flame generated by a burner, and even extinction.
Disclosure of Invention
The invention aims to provide a gas water heater, which has uniform internal wind power and wind direction during operation, ensures stable combustion flame, improves combustion efficiency and ensures that the temperature of hot water produced by the gas water heater is more stable.
It is another object of the present invention to provide a flow guiding device that maintains a relatively stable value for both the flow rate and the flow rate of the air stream, so that the air stream can flow uniformly and stably.
The invention provides a technical scheme that:
the utility model provides a gas heater, includes water heater main part and no leaf fan, the water heater main part includes casing and combustor, the casing encloses into airflow channel, the combustor set up in airflow channel is inside, airflow channel has the air intake, no leaf fan connect in on the casing, and no leaf fan has the air outlet, the air outlet with air intake looks adaptation.
Further, the inner peripheral wall of the air inlet is matched with the inner peripheral wall of the air outlet.
Further, the shape of the air inlet is the same as the shape of the air outlet, and the area of the air inlet is equal to the area of the air outlet.
Further, the burner is arranged at one end of the airflow channel far away from the air inlet, and the burner is opposite to the air inlet.
Further, the bladeless fan further comprises a drainage device and an air flow multiplier, a converging space is arranged inside the air flow multiplier, a converging air outlet is arranged in the converging space, the converging air outlet is communicated with the air flow channel through the air inlet, the drainage device is connected to the air flow multiplier, the drainage device is provided with a drainage channel, and the drainage channel is communicated with the converging space.
Further, the airflow multiplier encloses into a ring shape and forms an air flow channel, the air flow channel is provided with a diversion air outlet, and the diversion air outlet and the converging air outlet jointly form the air outlet.
Further, the width of the converging air outlet is 0.5 mm-2 mm.
Further, the converging space is provided with two converging air outlets, and the two converging air outlets are respectively positioned at two sides of the flow guiding air outlets which are oppositely arranged.
Further, the drainage device comprises a drainage shell and a ventilation device, the drainage shell encloses into the drainage channel, the drainage shell is connected to the airflow multiplier, a drainage air inlet is formed in one end, far away from the confluence space, of the drainage shell, the drainage air inlet is communicated with the drainage channel, the ventilation device is arranged in the drainage channel, and the ventilation device faces to the confluence space.
The invention also provides a technical scheme that:
the utility model provides a guiding device for the direction of guide air current, includes guiding device main part and no leaf fan, the guiding device main part has the water conservancy diversion passageway, the water conservancy diversion passageway has the air intake, no leaf fan connect in the guiding device main part, and no leaf fan has the air outlet, the air outlet pass through the air intake intercommunication in the water conservancy diversion passageway, the shape size of air outlet with the shape size of air intake is the same.
Compared with the prior art, the gas water heater and the guiding device provided by the invention have the beneficial effects that:
the air inlet of the air flow channel of the gas water heater is matched with the air outlet of the bladeless fan, so that when the air flow generated by the bladeless fan flows from the air outlet of the bladeless fan to the air inlet of the air flow channel, vortex formed by the fact that the air outlet is smaller than the air inlet cannot occur, the air flow flowing from the air outlet to the air inlet cannot be disturbed, the air flow can flow uniformly in the air flow channel, normal operation of the burner can be guaranteed, and partial noise can be reduced.
The shape and the size of the air inlet of the guide channel of the guide device are the same as those of the air outlet of the bladeless fan, so that when the air flow generated by the bladeless fan flows from the air outlet of the bladeless fan to the guide channel through the air inlet, vortex generated by the fact that the air outlet is smaller than the air inlet does not occur, the air flow is not disturbed, and the air flow can flow uniformly in the guide channel.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described. It is appreciated that the following drawings depict only certain embodiments of the invention and are therefore not to be considered limiting of its scope. Other relevant drawings may be made by those of ordinary skill in the art without undue burden from these drawings.
FIG. 1 is a schematic diagram of a gas water heater according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of a bladeless fan according to a first embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of an airflow multiplier according to a first embodiment of the present disclosure;
fig. 4 is a schematic diagram illustrating the operation of the air flow multiplier according to the first embodiment of the present invention.
Icon: 10-a gas water heater; 100-a water heater main body; 110-a housing; 111-air flow channels; 112-an air inlet; 120-burner; 130-a heat exchanger; 140-fume collecting hood; 200-a bladeless fan; 201-an air outlet; 210-an airflow multiplier; 211-confluence space; 212-converging air outlets; 213-wind flow channel; 214-a diversion air outlet; 220-drainage device; 221-drainage channel; 222-drainage air inlet; 223-drainage shell; 224-windup device; 300-a housing cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships conventionally put in place when the inventive product is used, or the directions or positional relationships conventionally understood by those skilled in the art are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, terms such as "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The existing gas water heater often has unstable flame and even extinguishes when in use. When the cause of the problem is detected, the operation of the fan is usually stopped, and the fan is taken down and the air flow channel is opened for maintenance. At this time, it is generally considered by those skilled in the art that the cause of the problem is the cause of the performance of the blower itself or the phenomenon that flame is unstable and even extinguished due to the blockage of the air flow passage. Therefore, those skilled in the art generally address this problem by simply replacing the fan or cleaning the airflow path.
After the blower is replaced or the airflow channel is cleaned, the phenomenon of unstable flame and even extinction still occurs.
The research of the inventor finds that the root cause of the phenomenon that the flame is unstable and even extinguished is that the air inlet of the air flow channel of the water heater is larger than the air outlet of the fan, so that the wind power near the air outlet of the fan is larger, the wind power far away from the air outlet of the fan is smaller, and the internal wind power of the gas water heater is uneven during operation. And because the air outlet of the fan is smaller than the air inlet of the air flow channel, vortex can be generated at the part of the air inlet away from the air outlet, and the internal wind direction of the gas water heater is uneven during working. The phenomenon of unstable flame and even extinction of the burner is caused.
When the person skilled in the art detects the problem, the fan is usually stopped, the fan is taken down, the air flow channel is opened for maintenance, and at this time, the reason that the size mismatch between the air outlet of the fan and the air inlet of the air flow channel is caused by unstable flame or even extinction of the burner is difficult to find.
The inventor provides a gas water heater based on the new knowledge. The internal wind power and wind direction are uniform during the operation, so that the combustion flame is stable, the combustion efficiency is improved, and the temperature of hot water produced by the gas water heater is more stable.
First embodiment
Referring to fig. 1, the present embodiment provides a gas water heater 10, which includes a water heater main body 100 and a bladeless fan 200, wherein the bladeless fan 200 is connected to the water heater main body 100, and the bladeless fan 200 can supply air flow into the water heater main body 100 to provide air for combustion into the water heater main body 100.
Referring to fig. 1 and 2 in combination, the water heater body 100 includes a housing 110 and a burner 120, and the burner 120 is disposed inside the housing 110. Wherein, the housing 110 encloses the airflow channel 111, and the burner 120 is disposed inside the airflow channel 111. The air flow channel 111 is used to guide the flowing air flow to the burner 120 to provide the air required for combustion to the burner 120. The airflow channel 111 has an air inlet 112, the bladeless fan 200 is disposed at the air inlet 112, and the bladeless fan 200 guides the airflow to the airflow channel 111 through the air inlet 112. In addition, the bladeless fan 200 has an air outlet 201, and the bladeless fan 200 directs the air flow out through the air outlet 201. The air outlet 201 is adapted to the air inlet 112.
It should be noted that, in the embodiment, the air inlet 112 and the air outlet 201 are adapted to refer to that the air outlet 201 is opposite to the air inlet 112, so that the air flow led out from the air outlet 201 by the bladeless fan 200 can directly enter the air flow channel 111 from the air inlet 112, and in this process, the air flow does not generate vortex due to the change of the flowing space, so that the air flow can be kept in a stable state continuously from the bladeless fan 200 to the air flow channel 111, i.e. the uniformity of wind power and wind direction can be ensured.
Further, the inner peripheral wall of the air inlet 112 is engaged with the inner peripheral wall of the air outlet 201. When the air flows out from the air outlet 201, the air flows along the inner peripheral wall of the air outlet 201 to the air inlet 112, and when the air enters the air inlet 112, the air flows along the inner peripheral wall of the air inlet 112, and the flowing direction of the air does not change.
The fact that the inner peripheral wall of the air inlet 112 matches with the inner peripheral wall of the air outlet 201 means that the places where the inner peripheral wall of the air inlet 112 and the inner peripheral wall of the air outlet 201 are connected are flat, that is, the inner peripheral wall of the air inlet 112 extends outward to obtain the inner peripheral wall of the air outlet 201.
In this embodiment, the shape of the air inlet 112 is the same as the shape of the air outlet 201, and the area of the air inlet 112 is the same as the area of the air outlet 201, so that the air inlet 112 and the air outlet 201 can be completely matched, and the inner peripheral wall of the air inlet 112 can be matched with the inner peripheral wall of the air outlet 201.
In this embodiment, the airflow channel 111 extends along a straight line, so that turbulence is not generated due to the change of direction when the airflow flows in the airflow channel 111, and uneven wind force and wind direction are caused, resulting in abnormal operation of the burner 120. It should be understood that the airflow channels 111 may be multiple, and the air inlets 112 of the airflow channels 111 are opposite to the air outlets 201 of the bladeless fan 200.
In the present embodiment, the burner 120 is disposed at an end of the airflow channel 111 away from the air inlet 112, and the burner 120 is opposite to the air inlet 112, so that the airflow can directly provide the air for combustion to the burner 120, and the combustion efficiency of the burner 120 can be improved.
In addition, in the present embodiment, the water heater main body 100 further includes a heat exchanger 130 and a smoke collecting cover 140. The heat exchanger 130 is disposed at a side of the burner 120 far from the airflow channel 111, so that the burner 120 can directly transfer heat to the heat exchanger 130, and the airflow of the airflow channel 111 can simultaneously guide the hot airflow to the heat exchanger 130, thereby improving the heat utilization rate. The fume collecting hood 140 is disposed at a side of the heat exchanger 130 away from the burner 120, and the fume collecting hood 140 is used for discharging the exhaust gas generated from the burner 120 out of the water heater body 100. The fume collecting hood 140 has a larger opening (not shown) near one end of the heat exchanger 130 to collect the exhaust gas inside the water heater body 100, and a smaller opening (not shown) at the other end of the fume collecting hood 140 to collect and exhaust the collected exhaust gas. Wherein the air flow of the air flow channel 111 can simultaneously function to direct the exhaust gases toward the hood 140.
Referring to fig. 2 and 3, the bladeless fan 200 includes an airflow multiplier 210 and a flow guiding device 220, wherein the airflow multiplier 210 is connected to the flow guiding device 220, the flow guiding device 220 can guide the airflow to the airflow multiplier 210, and the airflow multiplier 210 amplifies the flow velocity of the airflow by several times.
The airflow multiplier 210 has a converging space 211 therein, the converging space 211 has a converging air outlet 212, and the converging air outlet 212 is communicated with the airflow channel 111 through the air inlet 112. The drainage device 220 has a drainage channel 221, and the drainage channel 221 is communicated with the converging space 211. The flow guiding device 220 guides the flowing air flow to the converging space 211 through the flow guiding channel 221, and the air flow entering the converging space 211 flows out through the converging air outlet 212 and flows into the air flow channel 111 through the air inlet 112.
Further, the airflow multiplier 210 encloses an annular shape and forms an air flow channel 213, the air flow channel 213 has a guiding air outlet 214, and the guiding air outlet 214 and the converging air outlet 212 together form the air outlet 201.
Referring to fig. 4, the arrows indicate the direction of airflow. When the air flows out of the converging air outlet 212, the air is sucked into the air flow channel 213 due to the coanda effect, so that the flowing air flow is generated in the air flow channel 213, and the air flows out of the converging air outlet 212 and the air flows into the air flow channel 111 through the air inlet 112. The air flow introduced into the air flow passage 111 can be increased, and the combustion efficiency of the burner 120 can be improved.
The coanda effect: the fluid (water flow or air flow) changes its tendency to flow with the convex object surface from exiting the original flow direction. When there is surface friction (also known as fluid viscosity) between the fluid and the surface of the object over which it flows, the fluid will flow along the surface of the object as long as the curvature is not large. According to Newton's third law, the object applies a deflecting force to the fluid, and the fluid must also apply an opposing deflecting force to the object.
Further, the width of the confluence air outlet 212 is 0.5mm to 2mm. In the present embodiment, the width of the converging air outlet 212 is 1mm.
With continued reference to fig. 2 and 3, in the present embodiment, the converging space 211 has two converging air outlets 212, and the two converging air outlets 212 are respectively disposed at two sides of the air guiding outlet 214. In addition, in the present embodiment, the airflow multiplier 210 is enclosed into a square ring shape, and the two converging air outlets 212 are respectively located on two longer sides of the airflow multiplier 210.
The drainage device 220 includes a drainage housing 223 and a ventilation device 224, the drainage housing 223 encloses a drainage channel 221, and the drainage housing 223 is connected to the airflow multiplier 210, so that the drainage channel 221 is communicated with the converging space 211. The drainage casing 223 is far away from the end of the airflow multiplier 210 and is provided with a drainage air inlet 222, and the drainage air inlet 222 is communicated with the drainage channel 221. The air-blowing device 224 is disposed inside the drainage channel 221, and the air-blowing device 224 faces the confluence space 211.
The air-blowing device 224 is used for generating flowing air flow, guiding the air flow to the converging space 211 through the guiding channel 221, and the air flow entering the converging space 211 flows out through the converging air outlet 212 and flows to the air flow channel 111.
In this embodiment, the air-blowing device 224 includes a motor (not shown) and a fan (not shown), both of which are disposed inside the drainage channel 221, the motor is fixedly connected to the drainage housing 223, the fan is rotatably connected to the motor, and the motor provides power required for rotation to the fan, so that the fan can generate flowing air flow.
In addition, in the present embodiment, the gas water heater 10 further includes a housing cover 300, the water heater main body 100 and the bladeless fan 200 are both located inside the housing cover 300, and the housing cover 300 provides working space for the water heater main body 100 and the bladeless fan 200, and can further reduce noise emitted from the bladeless fan 200 and the water heater main body 100.
The air inlet 112 of the air flow channel 111 of the gas water heater 10 provided by the embodiment is matched with the air outlet 201 of the bladeless fan 200, so that when the air flow generated by the bladeless fan 200 flows from the air outlet 201 of the bladeless fan 200 to the air inlet 112 of the air flow channel 111, the converging air outlet 212 is narrower, the reynolds number of the air flow of the converging air outlet 212 is smaller, no vortex is generated, the air speed and the air volume are very stable, the air flow flowing from the air outlet 201 to the air inlet 112 is not disturbed, the air flow can flow uniformly in the air flow channel 111, the normal operation of the burner 120 can be ensured, and part of noise can be reduced. In addition, the motor of the bladeless fan 200 is smaller, the running frequency is higher, and the frequency of the generated noise exceeds the threshold value of the human ear, so that the noise heard by the human ear can be greatly reduced. The gas water heater 10 using the bladeless fan 200 can reduce noise by about 20dB as compared to the gas water heater 10 using the centrifugal fan.
Second embodiment
The present embodiment provides a flow guiding device (not shown) that can maintain a relatively stable value for both the flow rate and the flow rate of the air stream, so that the air stream can flow uniformly and stably. The air guide device comprises a guide device main body (not shown) and a bladeless fan (not shown), wherein the guide device main body is provided with a guide space (not shown), the guide space is provided with an air inlet (not shown), the bladeless fan is connected to the guide device main body, the bladeless fan is provided with an air outlet (not shown), the air outlet is communicated with the guide channel through the air inlet, and the shape and the size of the air outlet are the same as those of the air inlet.
The shape and the size of the air inlet of the guide channel of the guide device are the same as the shape and the size of the air outlet of the bladeless fan, so that when the air flow generated by the bladeless fan flows from the air outlet of the bladeless fan to the guide channel through the air inlet, vortex generated by the fact that the air outlet is smaller than the air inlet cannot occur, the air flow cannot be disturbed, and the air flow can flow uniformly in the guide channel.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The gas water heater is characterized by comprising a water heater main body and a bladeless fan, wherein the water heater main body comprises a shell and a combustor, the shell encloses an air flow channel, the combustor is arranged in the air flow channel, the air flow channel is provided with an air inlet, the bladeless fan is connected to the shell, the bladeless fan is provided with an air outlet, and the air outlet is matched with the air inlet; the inner peripheral wall of the air inlet is matched with the inner peripheral wall of the air outlet; the shape of the air inlet is the same as that of the air outlet, and the area of the air inlet is equal to that of the air outlet;
the bladeless fan further comprises a drainage device and an air flow multiplier, wherein a converging space is arranged in the air flow multiplier, a converging air outlet is arranged in the converging space, the converging air outlet is communicated with the air flow channel through the air inlet, the drainage device is connected with the air flow multiplier, the drainage device is provided with a drainage channel, and the drainage channel is communicated with the converging space;
the air flow multiplier encloses into the annular and forms the wind channel, the wind channel has the water conservancy diversion air outlet, water conservancy diversion air outlet with the air outlet that converges forms jointly the air outlet.
2. The gas water heater as recited in claim 1, wherein the burner is disposed at an end of the air flow channel remote from the air intake, and the burner is opposite the air intake.
3. The gas water heater of claim 1, wherein the converging air outlet has a width of 0.5mm to 2mm.
4. The gas water heater according to claim 1, wherein the converging space has two converging air outlets, and the two converging air outlets are respectively located at two sides of the flow guiding air outlets which are oppositely arranged.
5. The gas water heater of claim 1, wherein the drainage device comprises a drainage housing and a wind-up device, the drainage housing encloses the drainage channel, the drainage housing is connected to the airflow multiplier, a drainage air inlet is formed in one end of the drainage housing, which is far away from the airflow multiplier, the drainage air inlet is communicated with the drainage channel, the wind-up device is arranged in the drainage channel, and the wind-up device faces the converging space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710531960.4A CN107313984B (en) | 2017-06-30 | 2017-06-30 | Gas water heater and flow guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710531960.4A CN107313984B (en) | 2017-06-30 | 2017-06-30 | Gas water heater and flow guiding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107313984A CN107313984A (en) | 2017-11-03 |
| CN107313984B true CN107313984B (en) | 2023-09-05 |
Family
ID=60181061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710531960.4A Active CN107313984B (en) | 2017-06-30 | 2017-06-30 | Gas water heater and flow guiding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107313984B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057105B (en) * | 2018-01-19 | 2020-09-25 | 美的集团股份有限公司 | Gas water heater |
| CN110285448A (en) * | 2019-07-22 | 2019-09-27 | 程书全 | A kind of combustion-supporting gas cooker with shielding oil smoke |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2411442Y (en) * | 1999-12-24 | 2000-12-20 | 上海水仙能率有限公司 | Doemstic gas water heater with fan side-installed on combustion chamber |
| CN101173821B (en) * | 2006-10-30 | 2010-05-26 | 海尔集团公司 | Blue flame sectional air supply gas water heater |
| CN101191613B (en) * | 2006-11-28 | 2011-06-22 | 海尔集团公司 | burner of blue flame gas water heater |
| CN201032250Y (en) * | 2006-12-09 | 2008-03-05 | 海尔集团公司 | Blue flame sectional air supply gas water heater |
| CN102135105B (en) * | 2010-01-27 | 2013-06-05 | 益阳市拓达电器有限公司 | Blade-free fan |
| CN105222347B (en) * | 2014-05-30 | 2018-03-16 | 海尔集团技术研发中心 | Condensed type combustion gas water heater |
| KR20160004323U (en) * | 2015-06-09 | 2016-12-19 | 대우조선해양 주식회사 | Suction device for flammable gas using bladeless fan |
| CN106152480A (en) * | 2016-09-30 | 2016-11-23 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
| CN206889357U (en) * | 2017-06-30 | 2018-01-16 | 广东万家乐燃气具有限公司 | Gas heater and guiding device |
-
2017
- 2017-06-30 CN CN201710531960.4A patent/CN107313984B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107313984A (en) | 2017-11-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5250091B2 (en) | Fan assembly | |
| JP5404711B2 (en) | Fan assembly | |
| EP3172985B1 (en) | Hand held appliance | |
| KR20130045347A (en) | A fan assembly | |
| CN101749288A (en) | Airflow generating method and device | |
| CN107313984B (en) | Gas water heater and flow guiding device | |
| WO2018120598A1 (en) | Smoke exhaust assembly and smoke exhaust device | |
| WO2016197902A1 (en) | Balanced gas water heating device | |
| CN206889357U (en) | Gas heater and guiding device | |
| CN112344403A (en) | Oil smoke escape prevention structure and range hood with same | |
| CN108180748B (en) | Drying-machine ventilation unit and drying-machine | |
| CN114251304B (en) | Volute tongue, centrifugal fan and range hood | |
| CN110360631A (en) | A kind of Portable kitchen ventilator | |
| CN115388444A (en) | Smoke machine head and integrated stove | |
| JP4344398B1 (en) | Exhaust hood | |
| CN203272184U (en) | Fan | |
| CN210227861U (en) | Air duct system of electric oven | |
| CN109984633B (en) | Electric oven air duct system | |
| CN111121122B (en) | Air blowing and sucking device and range hood with same | |
| CN114541112A (en) | Air duct structure and clothes dryer | |
| CN113154496B (en) | Cyclone, cyclone device and range hood | |
| CN218763383U (en) | Novel gas burner | |
| CN214631728U (en) | Air frying and baking oven | |
| CN219222541U (en) | Fume exhauster | |
| CN214304537U (en) | Air supply device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |