CN108061382B - Wind pressure fluctuation preventing device for gas water heater - Google Patents
Wind pressure fluctuation preventing device for gas water heater Download PDFInfo
- Publication number
- CN108061382B CN108061382B CN201710613658.3A CN201710613658A CN108061382B CN 108061382 B CN108061382 B CN 108061382B CN 201710613658 A CN201710613658 A CN 201710613658A CN 108061382 B CN108061382 B CN 108061382B
- Authority
- CN
- China
- Prior art keywords
- wind
- gas water
- water heater
- impeller
- wind pressure
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000002265 prevention Effects 0.000 claims abstract description 5
- 230000009471 action Effects 0.000 claims abstract description 3
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000000696 magnetic material Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 7
- 230000036632 reaction speed Effects 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Classifications
-
- 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
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
Abstract
The invention relates to a wind pressure prevention fluctuation device for a gas water heater, which comprises a wind pressure detection device (3) communicated with a gas collecting hood (1) and a hood body (21) of a strong exhaust fan (2), wherein the wind pressure detection device (2) and the strong exhaust fan (2) are both connected with a control unit through electric signals; the method is characterized in that: the wind pressure detection device (3) comprises a connecting pipeline (31) communicated with the cover body (21), an impeller (33) capable of rotating under the action of air flow is arranged in the connecting pipeline (31), a flow sensor (32) is used for sensing the rotating speed of the impeller (33), and the flow sensor (32) is connected with an electric signal of the control unit. Compared with the prior art, the wind pressure fluctuation preventing device for the gas water heater provided by the invention can timely sense the change of external wind pressure and timely feed back the change, so that the control unit can timely adjust the rotating speed of the strong exhaust fan, the reaction speed is high, the wind resistance is improved, the water temperature of the water heater is accurately and constantly kept, and the user experience is improved.
Description
Technical Field
The invention relates to a gas water heater, in particular to a wind-pressure-preventing fluctuation device for a gas water heater.
Background
As the smoke exhaust pipe of the gas water heater is communicated outdoors, the influence of external wind pressure on the normal combustion of the gas water heater is larger and larger along with the higher and higher residential buildings. When a high-rise user uses the gas water heater, the combustion working condition of the gas water heater is not stopped to change in the combustion process due to the fact that the external wind pressure is large and the external wind pressure is continuously changed, so that the water outlet temperature is suddenly cooled and suddenly heated. Furthermore, the fire is directly extinguished. This greatly affects the user experience.
The wind resistance of the existing water heater is basically based on the change of motor current to judge the fluctuation of external wind pressure. However, due to the difference between the motors, the judgment of the computer board is often inaccurate, the entering and exiting of the wind-resistant program is slow, hysteresis exists, and the constant water temperature and the user experience are still affected.
Disclosure of Invention
The invention aims to solve the technical problem of providing a wind pressure prevention fluctuation device for a gas water heater, which can timely and accurately sense the external wind pressure change.
The technical scheme adopted for solving the technical problems is as follows: the wind pressure prevention fluctuation device for the gas water heater comprises a wind pressure detection device which is communicated with a gas collecting hood and a hood body of a strong exhaust fan, wherein the wind pressure detection device and the strong exhaust fan are both connected with an electric signal of a control unit; the method is characterized in that:
the wind pressure detection device comprises a connecting pipeline communicated with the cover body, an impeller capable of rotating under the action of air flow is arranged in the connecting pipeline, a flow sensor is used for sensing the rotating speed of the impeller, and the flow sensor is connected with an electric signal of the control unit.
And a turbulence component used for limiting air flow to enter the connecting pipeline in a spiral mode so as to increase the rotating speed of the impeller is arranged in the air inlet port of the connecting pipeline.
Preferably, the impeller may comprise at least two first blades, each of the first blades being connected to a connecting shaft; two ends of the connecting shaft are respectively and rotatably limited on the bracket;
the turbulence assembly is also limited on the support.
In the above scheme, the support has various structures, preferably, the support can comprise a sleeve sleeved in the connecting pipeline, and a hollowed first end cover and a hollowed second end cover which are connected with two ends of the sleeve;
the spoiler assembly is positioned on the first end cap;
and two ends of the connecting shaft are respectively connected with the second end cover and the turbulence assembly. The structure is convenient to process and assemble.
The structure of the turbulence assembly can be various, and preferably, the turbulence assembly can comprise a base and at least three second blades connected to the peripheral side wall of the base; at least one second blade of the second blades is parallel to the connecting shaft, and the rest of the second blades are spirally arranged on the peripheral side wall of the base relative to the connecting shaft;
the connecting shaft is connected with the base. The structure can meet the requirement that the airflow spirally enters the sleeve, avoids the interference of turbulent flow to the impeller, improves the rotation speed of the impeller, and meanwhile, the second blades vertically arranged can effectively reduce the airflow noise, and the noise reduction effect is good.
In each of the above schemes, the impeller is preferably a turbine, and the impeller is made of magnetic materials;
the flow sensor is preferably a hall sensor.
The connecting pipeline can be communicated with the gas collecting hood through a hose.
The hose can be connected with the hood body and the gas collecting hood through a first pagoda joint and a second pagoda joint. The pagoda joint has good tightness and is convenient to assemble.
Preferably, the strong exhaust fan is a centrifugal fan, and the cover body is a volute.
Compared with the prior art, the wind pressure fluctuation preventing device for the gas water heater provided by the invention can timely sense the change of external wind pressure and timely feed back the change, so that the control unit can timely adjust the rotating speed of the strong exhaust fan, the reaction speed is high, the wind resistance is improved, the water temperature of the water heater is accurately and constantly kept, and the user experience is improved.
Drawings
FIG. 1 is a schematic perspective view of an assembled structure according to an embodiment of the present invention;
FIG. 2 is a longitudinal cross-sectional view of the connecting piping and the connection of two pagoda joints and hose 33 according to the embodiment of the present invention;
FIG. 3 is a schematic diagram of a state of use in an embodiment of the present invention;
FIG. 4 is an exploded view of an impeller and spoiler assembly of an embodiment of the invention;
FIG. 5 is a longitudinal cross-sectional view of an impeller and spoiler assembly in accordance with an embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 5, the wind pressure prevention pulsator for a gas water heater includes:
the wind pressure detection device 3 comprises a connecting pipeline 31 connected to the cover body 21 of the strong exhaust fan 2, wherein an impeller 33 and a turbulence assembly 4 are arranged in the connecting pipeline 31, a flow sensor 32 is arranged outside the connecting pipeline 31, and the flow sensor 32 is electrically connected with a signal receiving port of a control unit (not shown in the figure).
The connecting pipe 31 is connected with a first pagoda joint 41, the gas collecting hood 1 is connected with a second pagoda joint 42, and two ports of the hose 34 are respectively connected with a first pagoda joint 61 and a second pagoda joint 62.
In the embodiment, the strong exhaust fan 2 is a centrifugal fan, and the cover body 21 is a volute; the strong exhaust fan 2 is electrically connected with the output port of the control unit.
The bracket 5 comprises a sleeve 51 sleeved in the connecting pipeline 31, and a hollowed-out first end cover 52 and a hollowed-out second end cover 53 which are connected to two ports of the sleeve 51.
The impeller 33 includes at least two first blades 331, in this embodiment three, each first blade 331 is connected to a sleeve 332, and the sleeve 332 is connected to a connecting shaft 333; one end of the connecting shaft 333 is connected to the second end cover 53, and the other end is connected to the base 41, and the connecting shaft 333 can rotate relative to the bracket 5 under the driving of the first blade.
The impeller 33 in the present embodiment is a turbine, and the impeller 33 is made of a magnetic material; correspondingly, the flow sensor 32 is a hall sensor. The impeller 33 cuts magnetic lines of force when rotating, changes the magnetic flux of the coil, and the hall sensor converts the received magnetic signal into frequency and transmits it to the control unit.
A turbulence block 4 connected to the first end cap 52 for generating turbulence to the air flow entering the connecting duct, thereby increasing the rotation speed of the impeller 33; comprises a base 41 and at least three second blades 42 connected to the peripheral side wall of the base 41; at least one of the second blades 42 is parallel to the connection shaft 333, and the remaining second blades 42 are spirally arranged on the outer peripheral side wall of the base 41 with respect to the connection shaft 333;
the connection shaft 333 is connected to the base 41.
The wind-proof pressure fluctuation method of the wind-proof pressure fluctuation device for the gas water heater is as follows:
firstly, setting a frequency value of a flow sensor during normal operation and a corresponding relation between a difference value between an implementation frequency value of the flow sensor and a normal value and a rotation speed of a strong exhaust fan in a control unit.
When in work, the gas collecting hood transmits external wind pressure P through the hose Outside world The strong exhaust fan provides working wind pressure P Blower fan The pressure difference formed by the external wind pressure and the working wind pressure influences the rotating speed of the impeller, and the flow sensor transmits signals detected in real time to the control unit.
The control unit compares, makes a judgment according to the operation result, and increases or decreases the rotation speed of the strong exhaust fan, so that the real-time rotation speed of the impeller reaches the set value in the control unit, thereby ensuring that the water heater burns normally and the water outlet temperature is constant within the set temperature range.
Claims (10)
1. The wind pressure prevention fluctuation device for the gas water heater comprises a wind pressure detection device (3) which is communicated with a gas collecting hood (1) and a hood body (21) of a strong exhaust fan (2), wherein the wind pressure detection device (3) and the strong exhaust fan (2) are connected with an electric signal of a control unit; the method is characterized in that:
the wind pressure detection device (3) comprises a connecting pipeline (31) communicated with the cover body (21), an impeller (33) capable of rotating under the action of air flow is arranged in the connecting pipeline (31), a flow sensor (32) is used for sensing the rotating speed of the impeller (33), and the flow sensor (32) is connected with an electric signal of the control unit.
2. Wind-pressure-resistant pulsator for gas water heaters according to claim 1, characterized in that inside the inlet port of the connecting duct (31) a turbulence assembly (4) is provided for limiting the air flow into the connecting duct (31) in a spiral manner so as to increase the rotation speed of the impeller (33).
3. The wind-pressure-preventing pulsator for gas water heaters as claimed in claim 2, wherein said impeller (33) comprises at least two first blades (331), each of said first blades (331) being connected to a connecting shaft (333); two ends of the connecting shaft (333) are respectively and rotatably limited on the bracket (5);
the turbulence assembly (4) is also limited on the support (5).
4. A wind-proof pressure fluctuation preventing device for a gas water heater according to claim 3, wherein the bracket (5) comprises a sleeve (51) sleeved in the connecting pipeline (31), and a hollowed first end cover (52) and a hollowed second end cover (53) connected to two ends of the sleeve (51);
-the spoiler assembly (4) is positioned on the first end cap (52);
the two ends of the connecting shaft (333) are respectively connected with the second end cover (53) and the turbulence component (4).
5. The wind-pressure-resistant pulsator for gas water heaters as claimed in claim 4, wherein the turbulence block (4) comprises a base (41) and at least three second blades (42) connected to the peripheral side wall of the base (41); at least one second blade (42) of the second blades (42) is parallel to the connecting shaft (333), and the rest of the second blades (42) are spirally arranged on the outer peripheral side wall of the base (41) relative to the connecting shaft (333);
the connecting shaft (333) is connected to the base (41).
6. The wind-pressure-resistant pulsator for gas water heaters as claimed in claim 5, wherein the number of the second blades (42) is four.
7. The wind-pressure-preventing pulsator for gas water heaters according to any one of claims 1 to 6, characterized in that the impeller (33) is a turbine, and the impeller (33) is made of a magnetic material;
the flow sensor (32) is a hall sensor.
8. The wind-pressure-preventing pulsator for gas water heater according to claim 6, characterized in that said connecting pipe (31) communicates with said gas-collecting hood (1) through a hose (34).
9. The device for preventing wind-pressure fluctuation for gas water heater according to claim 8, wherein said hose (34) connects said hood (21) and said gas collecting hood (1) through a first pagoda joint (61) and a second pagoda joint (62).
10. The wind-proof pressure fluctuation device for gas water heater according to claim 8, wherein the strong exhaust fan (2) is a centrifugal fan, and the cover body (21) is a volute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613658.3A CN108061382B (en) | 2017-07-25 | 2017-07-25 | Wind pressure fluctuation preventing device for gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613658.3A CN108061382B (en) | 2017-07-25 | 2017-07-25 | Wind pressure fluctuation preventing device for gas water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108061382A CN108061382A (en) | 2018-05-22 |
| CN108061382B true CN108061382B (en) | 2023-11-17 |
Family
ID=62138054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710613658.3A Active CN108061382B (en) | 2017-07-25 | 2017-07-25 | Wind pressure fluctuation preventing device for gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108061382B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902432B (en) * | 2021-01-27 | 2022-08-09 | 宁波方太厨具有限公司 | Gas water heater, air pressure detection method and fan control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727676A (en) * | 2013-12-02 | 2014-04-16 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
| CN105042871A (en) * | 2015-01-26 | 2015-11-11 | 艾欧史密斯(中国)热水器有限公司 | System and method for controlling combustion of gas water heater or wall-hanging stove |
| CN106642711A (en) * | 2015-09-22 | 2017-05-10 | 艾欧史密斯(中国)热水器有限公司 | Dual-sensing combustion system |
| CN106839433A (en) * | 2017-01-13 | 2017-06-13 | 广东万家乐燃气具有限公司 | A kind of the strong of DC frequency-changing blower fan structure takes out condensation water heater |
| CN207073957U (en) * | 2017-07-25 | 2018-03-06 | 宁波方太厨具有限公司 | The anti-blast wave device of gas heater |
-
2017
- 2017-07-25 CN CN201710613658.3A patent/CN108061382B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727676A (en) * | 2013-12-02 | 2014-04-16 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
| CN105042871A (en) * | 2015-01-26 | 2015-11-11 | 艾欧史密斯(中国)热水器有限公司 | System and method for controlling combustion of gas water heater or wall-hanging stove |
| CN106642711A (en) * | 2015-09-22 | 2017-05-10 | 艾欧史密斯(中国)热水器有限公司 | Dual-sensing combustion system |
| CN106839433A (en) * | 2017-01-13 | 2017-06-13 | 广东万家乐燃气具有限公司 | A kind of the strong of DC frequency-changing blower fan structure takes out condensation water heater |
| CN207073957U (en) * | 2017-07-25 | 2018-03-06 | 宁波方太厨具有限公司 | The anti-blast wave device of gas heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108061382A (en) | 2018-05-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106152218B (en) | A kind of range hood and its flow control methods adjusted with flow | |
| CN108061382B (en) | Wind pressure fluctuation preventing device for gas water heater | |
| CN109724127B (en) | Range hood capable of adjusting air quantity and control method thereof | |
| CN105465860A (en) | Actual flow measuring device of extractor hood and measuring method of actual flow measuring device | |
| CN207073957U (en) | The anti-blast wave device of gas heater | |
| CN205447902U (en) | Range hood actual flow measuring device | |
| CN107255275B (en) | A kind of light energy-saving leak detection formula natural gas boiler burner | |
| CA2851300A1 (en) | Dryer exhaust duct alarm | |
| US20140109653A1 (en) | Intelligent pipeline pressure sensing device | |
| CN206531538U (en) | A kind of water heater flow sensor | |
| CN105953331B (en) | A kind of wet curtain fan automatic control system | |
| CN213808154U (en) | Fan device and air condensing units | |
| KR20200013213A (en) | Automatic angle-adjustable Air-conditioner system for people | |
| CN201952661U (en) | Solar clothes drying device | |
| CN203850665U (en) | An apparatus for self-adaptive heat radiation control of a shelter power station | |
| CN206637677U (en) | A kind of regulatable exhaust fume collecting hood of suction | |
| CN108071615A (en) | A kind of centrifugal blower and application have the range hood of the centrifugal blower | |
| CN111434929B (en) | Centrifugal fan, range hood applying centrifugal fan and control method | |
| CN112902432B (en) | Gas water heater, air pressure detection method and fan control method | |
| CN206801910U (en) | A kind of scroll casing type high temperature resistant centrifugal impeller blower fan | |
| CN208098846U (en) | A kind of glass washing device | |
| CN208565074U (en) | A kind of centrifugal blower with guide vane and radome fairing | |
| CN112856514A (en) | Range hood and control method thereof | |
| CN204555202U (en) | The energy-saving central air conditioning system of variable air quantity | |
| CN206320799U (en) | A kind of boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |