CN209689167U - Full-premixing gas water heater - Google Patents
Full-premixing gas water heater Download PDFInfo
- Publication number
- CN209689167U CN209689167U CN201822064735.7U CN201822064735U CN209689167U CN 209689167 U CN209689167 U CN 209689167U CN 201822064735 U CN201822064735 U CN 201822064735U CN 209689167 U CN209689167 U CN 209689167U
- Authority
- CN
- China
- Prior art keywords
- gas
- oxygen
- control assembly
- premix
- chamber
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000007789 gas Substances 0.000 claims abstract description 61
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000001301 oxygen Substances 0.000 claims abstract description 57
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 57
- 238000002485 combustion reaction Methods 0.000 claims description 27
- 239000000567 combustion gas Substances 0.000 claims description 25
- 239000003517 fume Substances 0.000 claims description 7
- 239000002737 fuel gas Substances 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 abstract description 3
- 238000011897 real-time detection Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
Landscapes
- Regulation And Control Of Combustion (AREA)
Abstract
The utility model discloses a full premix gas heater, including heat exchange assembly, collection petticoat pipe, premix chamber, oxygen measuring component, control assembly and the combustor of setting above heat exchange assembly, premix chamber and collection petticoat pipe set up respectively in heat exchange assembly's upper end and lower extreme, oxygen measuring component one end inserts and mixes in the chamber in advance and is used for detecting the oxygen content in the mixed gas in the chamber in advance, and the other end is connected with control assembly and is used for transmitting the oxygen content who detects to control assembly, control assembly adjusts the content of oxygen in the premix chamber according to the proportion of preset gas and oxygen; the utility model discloses a survey the mixing proportion of the accurate control gas of oxygen subassembly and control assembly's cooperation and air, guarantee the stability of full premix burning, eliminate phenomena that influence water heater normal use such as burning turbulent flow, burning oscillation.
Description
Technical field
The utility model belongs to gas heater technical field, and in particular to a kind of fully pre-mixing gas combustion water heater.
Background technique
Gas heater is a kind of combustion gas as fuel, the equipment that hot water is quickly prepared by fuel gas buring, and is premixed entirely
Gas heater, before water heater burning, combustion gas and air burn again after being thoroughly mixed, when burning, without auxiliary air
Participation, the gas heater of this combustion system is referred to as fully pre-mixing gas combustion water heater.
And fully pre-mixing gas combustion water heater is due to the requirement of combustion characteristics, it is very high to the premix proportion requirement of combustion gas and air,
If the air content of premix can make unstable combustion occur to fully pre-mixing gas combustion water heater not up to or over preset value
It is fixed, burning turbulent flow, even combustion oscillation the problem of, to influence the normal use of gas heater.
Utility model content
The purpose of the utility model is to provide a kind of fully pre-mixing gas combustion water heaters, solve existing fully pre-mixing gas combustion water heater
The problem of content of premix air is unable to accurately control.
The utility model is the technical scheme adopted is that a kind of fully pre-mixing gas combustion water heater, including heat-exchanging component, collection cigarette
Cover, premix chamber, oxygen determination component, control assembly and the burner being arranged in above heat-exchanging component, the premix chamber and exhaust fume collecting hood
The top and bottom of heat-exchanging component are separately positioned on, are mixed in oxygen determination component one end insertion premix chamber for detecting in premix chamber
The oxygen content in gas is closed, the oxygen content that the other end connect for will test with control assembly is transferred to control assembly, institute
Control assembly is stated according to the content of oxygen in the proportion adjustment premix chamber of preset combustion gas and oxygen.
The utility model is also characterized by
Further comprise the premix component for mixing air and combustion gas, the premix component include air supply unit,
Gas supply unit and premixed device, the air supply unit and gas supply unit are connected to premixed device, the premix
Device is connected to for the combustion gas after premixing and air to be transferred in premix chamber with premix chamber.
The air supply unit and gas supply unit are connect with control assembly, empty for being controlled by control assembly
The additional amount of gas and combustion gas.
The heat-exchanging component includes heat exchanger chamber, heat exchanger, cold water inlet and hot water outlet, the cold water inlet and heat
Water out is separately positioned on the two sides of heat exchanger chamber, and the heat exchanger is arranged in heat exchanger chamber.
The side of the exhaust fume collecting hood is connected with outlet port.
The oxygen determination component includes oxygen sensor.
The gas supply unit includes the gas pipeline connecting with fuel gas source and is arranged on the gas pipeline
Ratio adjusting valve, the ratio adjusting valve are connect with control assembly.
The air supply unit includes blower, and the blower is connected to for air to be transferred to premixed device with premixed device
It is interior.
Compared with prior art, when the utility model is used, oxygen in mixed gas in oxygen determination component real-time detection premix chamber
Gas content, and oxygen content is transferred to control group component, control assembly receives oxygen content, according to being preset in control assembly
Oxygen and the ratio of combustion gas adjust the content of oxygen in premix chamber under current loads, and gas heater is made to maintain optimum state combustion
Premix air ratio when burning, to guarantee the stability of full premix combustion.
Detailed description of the invention
Fig. 1 is that the utility model embodiment provides a kind of structural schematic diagram of fully pre-mixing gas combustion water heater.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The utility model embodiment provides a kind of fully pre-mixing gas combustion water heater, as shown in Figure 1, including heat-exchanging component 1, collection cigarette
Cover 2, premix chamber 3, oxygen determination component 4, control assembly 5 and the burner 6 that 1 top of heat-exchanging component is set, 3 He of premix chamber
Exhaust fume collecting hood 2 is separately positioned on the top and bottom of heat-exchanging component 1, is used to detect in 4 one end of oxygen determination component insertion premix chamber 3
Oxygen content in premix chamber 3 in mixed gas, the other end are transferred to the oxygen content that control assembly 5 is connect for will test
Control assembly 5, the control assembly 5 is according to the content of oxygen in the proportion adjustment premix chamber 3 of preset combustion gas and oxygen；
In this way, using the above structure, oxygen content in mixed gas in 4 real-time detection premix chamber 3 of oxygen determination component, and by institute
It states oxygen content and is transferred to control group component 5, the control assembly 5 receives oxygen content, according to being preset in working as in control assembly 5
Oxygen and the ratio of combustion gas adjust the content of oxygen in premix chamber 3 under preload, and gas heater is made to maintain optimum state combustion
Premix air ratio when burning；In addition, the exhaust gas generated after burning, which can enter in exhaust fume collecting hood 2, carries out specified discharge, avoid
It drifts everywhere and influences environment.
It further comprise the premix component 7 for mixing air and combustion gas, the premix component 7 includes air supply unit
71, gas supply unit 72 and premixed device 73, the air supply unit 71 and gas supply unit 72 with premixed device 73
Connection, the premixed device 73 are connected to for the combustion gas after premixing and air to be transferred in premix chamber 3 with premix chamber 3；
In this way, providing oxygen by air supply unit 71, combustion gas is provided by gas supply unit 72, later by air
It carries out being transferred in premix chamber 3 after mixing in premixed device 73 with combustion gas, avoids combustion gas and combustion gas mixing is uneven
Directly burning and bring is unstable.
The air supply unit 71 and gas supply unit 72 are connect with control assembly 5, for passing through control assembly 5
Control the additional amount of air and combustion gas.
The heat-exchanging component 1 includes heat exchanger chamber 11, heat exchanger, cold water inlet 12 and hot water outlet 13, the cold water
Entrance 12 and hot water outlet 13 are separately positioned on the two sides of heat exchanger chamber 11, and the heat exchanger is arranged in heat exchanger chamber 11；
In this way, cold water enters in heat exchanger chamber 11 through cold water inlet 12, after being heated under the action of burner 6, using
Heat exchanger heat exchange, finally for users to use from the discharge of hot water outlet 13, this process is simply easily realized.
The side of the exhaust fume collecting hood 2 is connected with outlet port 21, in this way, the exhaust gas generated when by burning is arranged by exhaust gas
21 uniform effluents of mouth, avoid the pollution to environment.
The oxygen determination component 4 includes oxygen sensor, in this way, being contained by oxygen in oxygen sensor detection premix chamber 3
Amount, it is convenient and reliable.
The gas supply unit 72 includes the gas pipeline 721 connecting with fuel gas source and is arranged in the gas pipeline
Ratio adjusting valve 722 on 721, the ratio adjusting valve 722 are connect with control assembly 5；The air supply unit 71 includes
Blower, the blower are connected to for air to be transferred in premixed device 73 with premixed device 73；In this way, passing through ratio adjusting valve 722
The additional amount for controlling combustion gas, the revolving speed by adjusting blower control the additional amount of oxygen.
The course of work: oxygen content in mixed gas in 4 real-time detection premix chamber 3 of oxygen determination component, and the oxygen is contained
Amount is transferred to control group component 5, and the control assembly 5 receives oxygen content, and by the oxygen content of receiving and is preset in control group
Oxygen and the ratio of combustion gas are compared under current loads in part 5 to adjust the content of oxygen in premix chamber 3, work as oxygen content
When less than oxygen under preset current loads and the ratio of combustion gas, control assembly 5 adjust blower revolving speed, make its revolving speed increase into
And make the enhanced oxygen entered in mixing chamber 3, on the contrary reduce the revolving speed of blower by control assembly 5, gas heater is made with this
Premix air ratio when optimum state burning is maintained, to guarantee the stability of full premix combustion.
Compared with prior art, the utility model guarantees full premix by being precisely controlled the mixed proportion of combustion gas and air
The stability of burning eliminates the phenomenon that burning turbulent flow, combustion oscillation etc. influence water heater normal use.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should
It is subject to the protection scope in claims.
Claims (8)
1. a kind of fully pre-mixing gas combustion water heater, which is characterized in that including heat-exchanging component (1), exhaust fume collecting hood (2), premix chamber (3), survey
Oxygen component (4), control assembly (5) and the burner (6) being arranged above heat-exchanging component (1), premix chamber (3) the sum aggregate cigarette
Cover (2) is separately positioned on the top and bottom of heat-exchanging component (1), is used in oxygen determination component (4) one end insertion premix chamber (3)
The oxygen content in premix chamber (3) interior mixed gas is detected, the other end contains with the oxygen that control assembly (5) is connect for will test
Amount is transferred to control assembly (5), and the control assembly (5) is according in the proportion adjustment premix chamber (3) of preset combustion gas and oxygen
The content of oxygen.
2. a kind of fully pre-mixing gas combustion water heater according to claim 1, which is characterized in that further comprise for mixing sky
The premix component (7) of gas and combustion gas, the premix component (7) include air supply unit (71), gas supply unit (72) with
And premixed device (73), the air supply unit (71) and gas supply unit (72) are connected to premixed device (73), described pre-
Mixed device (73) are connected to for the combustion gas after premixing and air to be transferred in premix chamber (3) with premix chamber (3).
3. a kind of fully pre-mixing gas combustion water heater according to claim 2, which is characterized in that the air supply unit (71)
It is connect with control assembly (5) with gas supply unit (72), for controlling the addition of air and combustion gas by control assembly (5)
Amount.
4. a kind of fully pre-mixing gas combustion water heater according to claim 3, which is characterized in that the heat-exchanging component (1) includes
Heat exchanger chamber (11), heat exchanger, cold water inlet (12) and hot water outlet (13), the cold water inlet (12) and hot water outlet
(13) two sides of heat exchanger chamber (11) are separately positioned on, the heat exchanger is arranged in heat exchanger chamber (11).
5. a kind of fully pre-mixing gas combustion water heater according to claim 4, which is characterized in that the side of the exhaust fume collecting hood (2)
It is connected with outlet port (21).
6. a kind of fully pre-mixing gas combustion water heater according to claim 5, which is characterized in that the oxygen determination component (4) includes
Oxygen sensor.
7. according to a kind of described in any item fully pre-mixing gas combustion water heaters of claim 2-6, which is characterized in that the gas supply
Unit (72) includes the ratio tune of the gas pipeline (721) connecting with fuel gas source and setting on the gas pipeline (721)
It saves valve (722), the ratio adjusting valve (722) connect with control assembly (5).
8. a kind of fully pre-mixing gas combustion water heater according to claim 7, which is characterized in that the air supply unit (71)
Including blower, the blower is connected to for air to be transferred in premixed device (73) with premixed device (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822064735.7U CN209689167U (en) | 2018-12-10 | 2018-12-10 | Full-premixing gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822064735.7U CN209689167U (en) | 2018-12-10 | 2018-12-10 | Full-premixing gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209689167U true CN209689167U (en) | 2019-11-26 |
Family
ID=68595769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822064735.7U Active CN209689167U (en) | 2018-12-10 | 2018-12-10 | Full-premixing gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209689167U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207363A (en) * | 2018-12-10 | 2019-09-06 | 华帝股份有限公司 | Fully-premixed gas water heater and control method thereof |
| CN111947315A (en) * | 2020-08-12 | 2020-11-17 | 华帝股份有限公司 | Fully-premixed gas water heater and control method thereof |
-
2018
- 2018-12-10 CN CN201822064735.7U patent/CN209689167U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207363A (en) * | 2018-12-10 | 2019-09-06 | 华帝股份有限公司 | Fully-premixed gas water heater and control method thereof |
| CN111947315A (en) * | 2020-08-12 | 2020-11-17 | 华帝股份有限公司 | Fully-premixed gas water heater and control method thereof |
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| GR01 | Patent grant |