CN2364383Y - Blowing burning gas water heater - Google Patents
Blowing burning gas water heater Download PDFInfo
- Publication number
- CN2364383Y CN2364383Y CN 99235473 CN99235473U CN2364383Y CN 2364383 Y CN2364383 Y CN 2364383Y CN 99235473 CN99235473 CN 99235473 CN 99235473 U CN99235473 U CN 99235473U CN 2364383 Y CN2364383 Y CN 2364383Y
- Authority
- CN
- China
- Prior art keywords
- burner
- gas
- valve
- blast
- heat exchanger
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a gas water heater comprising a heat exchanger, a control device, a burning chamber, a burner, a water inlet valve, a gas valve and a blower. The utility model uses a structure with the blower and the blast volume of the blower from the burner mixed with combustible gas is controlled to be just ignited, which can obviously weaken ignition detonation. Compared with the traditional anti-explosion measures, the utility model has the advantages of simple structure and low cost. In addition, adopting blower exhausts forcibly all flue gas out of rooms, which can ensure use safety for users, and users can use without worries. In addition, the utility model users a unique thermocouple structure arranged at the side of the burner, which can effectively implement the protection to flue block and oversized wind pressure.
Description
The utility model is a kind of gas heater, belongs to the improvement technology of gas heater.
Existing gas heater, the mode that mostly adopts the nature air feed to burn, flue gas that its burning produces causes that easily the user poisons, when serious even can cause death, therefore, need at the indoor exhaust fan that installs additional that water heater is installed, outdoor in order to flue gas is extracted out, for this reason, the user feels inconvenience deeply.
The purpose of this utility model be to overcome above-mentioned shortcoming and provide a kind of utilize air blast with flue gas all the row of pressure to outdoor blast roasting gas heater.
The further purpose of the utility model is to provide a kind of blast roasting gas heater of realizing that low wind speed starts.
The utility model further purpose is to provide a kind of blast roasting gas heater of realizing flue obstruction and the excessive protection of blast.
Structural representation of the present utility model as shown in drawings, include heat exchanger (5), control device (6), combustion chamber (7), burner (9), water intaking valve (14), gas valve (16), wherein burner (9) places in the combustion chamber (7), heat exchanger (5) places the top of burner (9), water intaking valve (14) is connected with heat exchanger (5) by pipeline, gas valve (16) is connected with burner (9) by pipeline, the below of burner (9) is provided with Blast mechanism, airtight pressure stabilizing chamber (11) and air blast (12) around it includes, the bottom of pressure stabilizing chamber (11) communicates with the air outlet of air blast (12), the top of pressure stabilizing chamber (11) is provided with the distribution plate (10) that is evenly equipped with several exhaust vents, and its exhaust vent communicates with burner (9).
Describe concrete structure of the present utility model and working condition in detail below in conjunction with accompanying drawing:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of low hydraulic pressure starting drive (13) in the utility model.
Structural representation of the present utility model as shown in Figure 1, include heat exchanger (5), control device (6), combustion chamber (7), burner (9), water intaking valve (14), gas valve (16), wherein burner (9) places in the combustion chamber (7), heat exchanger (5) places the top of burner (9), water intaking valve (14) is connected with heat exchanger (5) by pipeline, gas valve (16) is connected with burner (9) by pipeline, the below of burner (9) is provided with Blast mechanism, airtight pressure stabilizing chamber (11) and air blast (12) around it includes, the bottom of pressure stabilizing chamber (11) communicates with the air outlet of air blast (12), the top of pressure stabilizing chamber (11) is provided with the distribution plate (10) that is evenly equipped with several exhaust vents, and its exhaust vent communicates with burner (9).Above-mentioned pressure stabilizing chamber also is provided with all arrange net (18) in (11).Burner (9) is to realize the excessive protection of blast for being provided with the closed structure of sealing device outside the main burner, and the position outside the top of said burner (9), its jet flame border is provided with thermocouple (8).In addition, for making water heater under the situation of low hydraulic pressure, also can start sparking, also be equiped with low hydraulic pressure starting drive (13) on the pipeline between above-mentioned water valve (14) and the heat exchanger (5), as shown in Figure 2, it includes magnetic sheet (13A), hinge bar (13B), Hall switch (13C), one end of hinge bar (13B) is hinged on a side of pipeline, and the other end is connected with magnetic sheet (13A), and Hall switch (13C) places the side of magnetic sheet (13A).Follow gas quantity and change synchronously for realizing air quantity, above-mentioned gas valve (16) also is connected with combustion gas one air follow-up adjustment device, it includes gear drive and pays (15,15A) and drive motors, the rotating shaft of gear (15) is connected with the rotating shaft of gas valve (16), gear (15A) meshes with gear (15), and is connected with the output shaft of its drive motors; For guaranteeing that the water heater safety works reliably, also be provided with dual-coil electromagnetic valve (17) on the blast tube of above-mentioned gas valve (16) input port front end; In addition, all discharge outdoor for guaranteeing the flue gas that water heater is produced when burning, and make flue gas under the bigger situation of outdoor wind, can not cause backflow, the top of above-mentioned heat exchanger (5) is equiped with exhaust fume collecting hood (3), and be equiped with smoke evacuation above the exhaust fume collecting hood (3) and take over (1), smoke evacuation is taken in (1) and is equiped with check valve (2).In addition, water intaking valve (14), gas valve (16) also are connected with control device (6), and control device (6) is connected with power supply by transformer (4).
The utility model is opened gas valve (16), water intaking valve (14) in use, starts air blast (12), then flow through behind cold water process filter screen and the water intaking valve (14) and hang down hydraulic pressure starting drive (13), when the water yield reaches 3L/M, magnetic sheet (13A) and Hall switch (13) conducting, water heater starts.Simultaneously, air forces to send into pressure stabilizing chamber (11) through air blast (12), air is provided with in pressure stabilizing chamber (11) all arrange net (18) and distribution plate (10) after, some enters burner (9) and combustion gas mixing, all the other enter combustion chamber (7), because of the burning of combustion gas is to finish in airtight combustion chamber (7), so the combustion chamber is in slight positive pressure state.Be installed in the top of burner (9) because of thermocouple (8); outside the border of jet flame; at normal fired state; thermocouple (8) does not directly contact flame; its temperature is lower; the thermoelectrical potential of output is also less; when contrary wind or smoke exhaust pipe (1) partial occlusion; then smoke evacuation be obstructed (wind supply quantity decline); flame spread also produces high temperature gases recirculating; the direct heat hot galvanic couple of high-temperature flue gas (8) that refluxes heats up it, and the thermoelectrical potential of output increases thereupon, after the contrary wind back pressure surpasses 100pa; cut off gas supply by control device (6), realize that flue stops up and the excessive protection of blast.The blast switch (mechanical action mode) that adopt the excessive protection ratio of this blast home and abroad is more easy, reliable, and cost only for the import blast start about 1/8, its performance is better than the home and abroad like product.The combustion gas one air follow-up adjustment device that is connected with gas valve (16), gas valve (16) pays (15 by gear drive in the manual adjustments process, 15A) and control device (6), the rotating speed (air quantity) of realization air blast is followed gas quantity and is changed synchronously, this combustion gas one air follow-up adjustment measure obviously improves the thermal efficiency of water heater under underload, the underload down-firing, igniting property obviously improves.The dual-coil electromagnetic valve (17) that is provided with on the blast tube of gas valve (16) input port front end, it can guarantee to cut off reliably gas supply when accident condition (safety guard action) and artificial the shutdown.The check valve (2) of installing can prevent effectively that flue gas from flowing backwards in the smoke exhaust pipe (1).
The utility model is owing to adopted the structure of blast roasting, after water heater starts, air blast begins low-speed running and purges the combustion chamber, its air quantity is controlled at the flammable mixed gas that comes out from burner and can just be lighted (gas concentration is near the concentration limit that catches fire of this combustion gas), at this moment, because the flame propagation velocity of mixed gas is very little, can obviously weaken ignition deflagrating of hot, it is compared with traditional anti-riot measure, and simple in structure, cost reduces; In addition, since its adopt air blast with flue gas all the row of pressure so can guarantee the safe in utilization of user, make the user relieved to outdoor; In addition, the utility model has adopted and unique has been provided with the structure of thermocouple at the burner side, can realize effectively that therefore flue stops up and blast excessive protection; Simultaneously, the utility model is owing to also be provided with structures such as combustion gas one air follow-up adjustment device and low hydraulic pressure starting drive, dual-coil electromagnetic valve, check valve, so can make the serviceability of water heater better, security is better.The utility model is a kind of novel blast roasting gas heater ingenious, simple in structure, safe and practical, that cost is low that designs.
Claims (9)
1, a kind of blast roasting gas heater, include heat exchanger (5), control device (6), combustion chamber (7), burner (9), water intaking valve (14), gas valve (16), wherein burner (9) places in the combustion chamber (7), heat exchanger (5) places the top of burner (9), water intaking valve (14) is connected with heat exchanger (5) by pipeline, gas valve (16) is connected with burner (9) by pipeline, the below that it is characterized in that burner (9) is provided with Blast mechanism, airtight pressure stabilizing chamber (11) and air blast (12) around it includes, the bottom of pressure stabilizing chamber (11) communicates with the air outlet of air blast (12), the top of pressure stabilizing chamber (11) is provided with the distribution plate (10) that is evenly equipped with several exhaust vents, and its exhaust vent communicates with burner (9).
2, gas heater according to claim 1 is characterized in that also being provided with all arrange net (18) in the above-mentioned pressure stabilizing chamber (11).
3, gas heater according to claim 1 is characterized in that said burner (9) is provided with the closed structure of sealing device for the main burner outside.
4, gas heater according to claim 3 is characterized in that the top of said burner (9), the position outside its jet flame border are provided with thermocouple (8).
5, according to claim 1 or 2 or 3 or 4 described gas heaters, it is characterized in that also being equiped with on the pipeline between above-mentioned water valve (14) and the heat exchanger (5) low hydraulic pressure starting drive (13), it includes magnetic sheet (13A), hinge bar (13B), Hall switch (13C), one end of hinge bar (13B) is hinged on a side of pipeline, the other end is connected with magnetic sheet (13A), and Hall switch (13C) places the side of magnetic sheet (13A).
6, gas heater according to claim 5, it is characterized in that above-mentioned gas valve (16) also is connected with combustion gas one air follow-up adjustment device, it includes gear drive and pays (15,15A) and drive motors, the rotating shaft of gear (15) is connected with the rotating shaft of gas valve (16), gear (15A) meshes with gear (15), and is connected with the output shaft of its drive motors.
7, gas heater according to claim 5 is characterized in that also being provided with dual-coil electromagnetic valve (17) on the blast tube of above-mentioned gas valve (16) input port front end.
8, gas heater according to claim 5 is characterized in that the top of above-mentioned heat exchanger (5) is equiped with exhaust fume collecting hood (3).
9, gas heater according to claim 8, it is characterized in that above-mentioned exhaust fume collecting hood (3) above be equiped with smoke evacuation and take over (1), smoke evacuation is taken in (1) and is equiped with check valve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99235473 CN2364383Y (en) | 1999-03-01 | 1999-03-01 | Blowing burning gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99235473 CN2364383Y (en) | 1999-03-01 | 1999-03-01 | Blowing burning gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2364383Y true CN2364383Y (en) | 2000-02-16 |
Family
ID=34023431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99235473 Expired - Fee Related CN2364383Y (en) | 1999-03-01 | 1999-03-01 | Blowing burning gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2364383Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292453A (en) * | 2013-06-28 | 2013-09-11 | 贺州学院 | Air-blowing type forced discharging water heater |
| CN104729101A (en) * | 2015-01-26 | 2015-06-24 | 艾欧史密斯(中国)热水器有限公司 | Combustion control system for gas water heater or wall-hanging stove and control method thereof |
| CN110030739A (en) * | 2018-01-11 | 2019-07-19 | 宁波方太厨具有限公司 | A kind of method for controlling combustion of gas heater |
| CN110285583A (en) * | 2019-06-18 | 2019-09-27 | 华帝股份有限公司 | Control method of constant-temperature water heater |
-
1999
- 1999-03-01 CN CN 99235473 patent/CN2364383Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292453A (en) * | 2013-06-28 | 2013-09-11 | 贺州学院 | Air-blowing type forced discharging water heater |
| CN104729101A (en) * | 2015-01-26 | 2015-06-24 | 艾欧史密斯(中国)热水器有限公司 | Combustion control system for gas water heater or wall-hanging stove and control method thereof |
| CN104729101B (en) * | 2015-01-26 | 2017-06-30 | 艾欧史密斯(中国)热水器有限公司 | Gas heater or wall-hung boiler combustion control system and its control method |
| CN110030739A (en) * | 2018-01-11 | 2019-07-19 | 宁波方太厨具有限公司 | A kind of method for controlling combustion of gas heater |
| CN110030739B (en) * | 2018-01-11 | 2021-05-18 | 宁波方太厨具有限公司 | Combustion control method of gas water heater |
| CN110285583A (en) * | 2019-06-18 | 2019-09-27 | 华帝股份有限公司 | Control method of constant-temperature water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |