CN208349595U - Gas heater - Google Patents
Gas heater Download PDFInfo
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- CN208349595U CN208349595U CN201820882239.XU CN201820882239U CN208349595U CN 208349595 U CN208349595 U CN 208349595U CN 201820882239 U CN201820882239 U CN 201820882239U CN 208349595 U CN208349595 U CN 208349595U
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- gas
- controller
- temperature controller
- blower
- heater
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Abstract
The utility model discloses a kind of gas heater, the gas heater includes: shell, the inside of the shell forms combustion chamber and gas distributing chamber, and the top of the gas distributing chamber is connected to the combustion chamber, offers mixed gas air inlet below the gas distributing chamber；Burner assembly, the burner assembly are mounted in the combustion chamber；Gas inlet pipeline, the gas inlet pipe road are equipped with gas inlet valve；Blower, the air inlet of the blower are connected to the gas inlet pipeline, and the air outlet of the blower is connected to the mixed gas air inlet；Controller, the controller are electrically connected with the blower；And temperature controller, the temperature controller are used to measure the temperature in the gas distributing chamber, the temperature controller is electrically connected with the controller and the gas inlet valve.The utility model gas heater, which can effectively prevent, occurs tempering phenomenon in gas distributing chamber, avoid gas heater from being damaged, ensure the safety of user.
Description
Technical field
The utility model relates to combustion heat-exchange technical field, in particular to a kind of gas heater.
Background technique
Currently, the mode that gas heater generallys use fully premixed combustion heats cold water, fully premixed combustion
It is big with combustion intensity, flame is short, do not need auxiliary air and have biggish area heat release rate and volume calorific intensity, can contract
The advantages that small combustion apparatus volume, and CO and NOx content are all relatively low in combustion product, and can be equably with convection current, radiation side
Formula is conducted heat, and the thermal efficiency is higher.
But the radiations heat energy that burner assembly burning generates in gas heater, meeting heat gas distributor chamber, heat are poly-
Rally increases the temperature of gas distributing chamber, and temperature is higher, and the tendency being tempered is higher.Although having in the prior art logical
The steady flame measure for taking cooling burner head etc. to prevent tempering is crossed, but due to the variability of use environment, the above measure is easy
Failure cannot be effectively prevented the generation of tempering, and be tempered once occurring, and can not only damage gas heater, or even can jeopardize
The safety of user.
Utility model content
The main purpose of the utility model is to propose a kind of gas heater, it is intended to solve gas heater in the prior art
The technical issues of generation of tempering cannot be effectively prevented.
To achieve the above object, the utility model proposes a kind of gas heater include:
Shell, the inside of the shell form combustion chamber and gas distributing chamber, and the top of the gas distributing chamber is connected to institute
Combustion chamber is stated, mixed gas air inlet is offered below the gas distributing chamber；
Burner assembly, the burner assembly are mounted in the combustion chamber；
Gas inlet pipeline, the gas inlet pipe road are equipped with gas inlet valve；
Blower, the air inlet of the blower are connected to the gas inlet pipeline, and the air outlet of the blower is mixed with described
Close gas inlet connection；
Controller, the controller are electrically connected with the blower；And
Temperature controller, the temperature controller are used to monitor the temperature in the gas distributing chamber, the temperature controller and the control
Device and gas inlet valve electrical connection.
Preferably, the temperature controller is mounted on the outer wall of the shell and the corresponding gas distributing chamber is arranged, described
Temperature controller is connect by connecting terminal with the controller.
Preferably, the outer wall of the shell is provided with mounting base, and the temperature controller is fixed in the mounting base.
Preferably, the mounting base and the shell, which are integrally formed, is arranged.
Preferably, the temperature controller is arranged close to the combustion chamber.
Preferably, the quantity of the temperature controller is multiple, multiple temperature controller arranged for interval.
Preferably, the gas heater further includes warning device, and the controller is electrically connected with the warning device.
Preferably, the warning device includes display and buzzer, the display and the buzzer with it is described
Controller electrical connection.
Preferably, the gas heater further includes pre-mixing apparatus, and the pre-mixing apparatus is provided with gas inlet, combustion-supporting
Gas inlet and mixed gas gas outlet, the gas inlet pipeline are connected to the gas inlet, the air inlet of the blower
Mouth is connected to the mixed gas gas outlet.
Preferably, the pre-mixing apparatus is venturi gas mixing device.
The utility model gas heater can carry out the temperature information in gas distributing chamber real-time by setting temperature controller
Measurement, monitoring, and when the temperature in gas distributing chamber reaches preset temperature, temperature controller disconnects, so that gas inlet valve is closed
And the supply of combustion gas is blocked, stop burning to control burner assembly, and blower is controlled by controller and is run at high speed come to gas
Body distributor chamber conveys air to carry out fast cooling, effectively prevent that tempering phenomenon occurs in gas distributing chamber, avoids gas and hot water
Device is damaged, while ensureing the safety of user, has the advantages that structure is simple, easily operated and safe and reliable.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the partial schematic diagram of the utility model embodiment gas heater；
Fig. 2 is the schematic cross-section of the utility model embodiment gas heater；
Fig. 3 is the structural block diagram of the utility model embodiment gas heater.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 1 | Shell | 2 | Gas distributing chamber |
| 21 | Mixed gas air inlet | 3 | Burner assembly |
| 4 | Temperature controller | 5 | Connecting terminal |
| 6 | Mounting base | 7 | Gas inlet pipeline |
| 71 | Gas inlet valve | 8 | Blower |
| 9 | Controller | 10 | Detection circuit |
| 11 | Pre-mixing apparatus | 12 | Warning device |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of gas heaters.
As shown in Figure 1, in an embodiment of the utility model, gas heater includes shell 1, burner assembly 3, combustion gas
Air inlet pipeline 7, blower 8, controller 9 and temperature controller 4.Wherein, the inside of shell 1 forms combustion chamber (not shown) and gas point
With room 2, the top of gas distributing chamber 2 is connected to combustion chamber, and the lower section of gas distributing chamber 2 offers mixed gas air inlet 21.Combustion
Burner component 3 is installed in the combustion chamber.Gas inlet valve 71 is installed on gas inlet pipeline 7.The gas inlet of the present embodiment
Pipeline 7 is used for delivery of fuel gas, and gas inlet valve 71 controls the on-off of gas inlet pipeline 7, the gas inlet valve 71 of the present embodiment
The prior art can be used.It is to be appreciated that the combustion-supporting gas of the present embodiment is air, air can pass through combustion-supporting gas air inlet pipeline
To convey.The air inlet of blower 8 is connected to gas inlet pipeline 7, and the air outlet of blower 8 is connected to mixed gas air inlet 21.
Using fully-premixed, i.e. air and combustion gas is pre-mixed to enter back into blower 8 after mixed gas the present embodiment.Controller 9 and wind
Machine 8 is electrically connected；Temperature controller 4 is used to monitor the temperature in gas distributing chamber 2, temperature controller 4 and controller 9 and 71 electricity of gas inlet valve
Connection.
The present embodiment gas heater at work, after combustion gas and air mixing the mixed gas that is formed from blower 8 into
Air port enters in blower 8, and mixed gas passes through blade after mixing evenly in blower 8, sends out and passes through from the air outlet of blower 8
Mixed gas air inlet 21 enters in gas distributing chamber 2, and mixed gas is equably delivered to combustion by gas distributing chamber 2
Room is burnt, so that burner assembly 3 burns.
Specifically, during burner assembly 3 burns, temperature controller 4 is closed, and temperature controller 4 and gas inlet valve 71 are gone here and there
Connection connection, the circuit between gas inlet valve 71 and temperature controller 4 is in the conductive state, and temperature controller 4 is to the temperature in gas distributing chamber 2
It spends information and carries out real-time measurement, monitoring.When temperature controller 4, which measures the Current Temperatures in gas distributing chamber 2, reaches preset temperature, temperature
Device 4 to be controlled to disconnect, the circuit between gas inlet valve 71 and temperature controller 4 is in dissengaged positions, and gas inlet valve 71 is closed after powering off,
Blocked 7 delivery of fuel gas of gas inlet pipeline, burner assembly 3 cannot get stopping burning after the supply of combustion gas, blower 8 then only to
Gas distributing chamber 2 sends out air to cool down to gas distributing chamber 2, also, when temperature controller 4 disconnects, controller 9 controls wind
Machine 8 runs at high speed, and to increase air quantity, is conducive to 2 fast cooling of gas distributing chamber, to effectively prevent occurring in gas distributing chamber 2
Tempering phenomenon.It is to be appreciated that preset temperature described in the present embodiment is the operating temperature of temperature controller 4, i.e., preset temperature is temperature
The operating temperature that control device 4 switches between closed state or off-state.The preset temperature is to occur close to gas distributing chamber 2
The temperature of tempering, generally 150 DEG C or so.
The present embodiment burner can survey in real time the temperature information in gas distributing chamber 2 by setting temperature controller 4
Amount, monitoring, and when the temperature in gas distributing chamber 2 reaches preset temperature, temperature controller 4 disconnects, so that gas inlet valve 71 closes
Close and block the supply of combustion gas, with control burner assembly 3 stop burning, and by controller 9 control blower 8 run at high speed come
Air is conveyed to carry out fast cooling to gas distributing chamber 2, is effectively prevent that tempering phenomenon occurs in gas distributing chamber 2, is avoided firing
Gas water heater is damaged, while ensureing the safety of user, has the advantages that structure is simple, easily operated and safe and reliable.
In the present embodiment, temperature controller 4 is mounted on the outer wall of shell 1 and corresponding gas distributing chamber 2 is arranged, and temperature controller
4 are connect by connecting terminal 5 with controller 9, and installation is facilitated.Controller 9 can judge temperature controller 4 by a detection circuit 10
Break-make situation.When the preset temperature is not up to the preset temperature, temperature controller 4 is always maintained at closed state, and controller 9 can
Judge that temperature controller 4 is in closed state by detection circuit 10, controller 9 controls blower 8 and operates by normal wind speed；When described pre-
If temperature reaches the preset temperature, temperature controller 4 is disconnected, and controller 9 judges that temperature controller 4 is in by detection circuit 10 and disconnects
State, controller 9 then control blower 8 and run at high speed to increase wind speed, realize the fast cooling of gas distributing chamber 2.It is understood that
Ground, when temperature controller 4, which monitors the temperature in gas distributing chamber 2, restores normal, temperature controller 4 can switch back into closure from off-state
State, gas inlet valve 71 are opened after being powered, and delivery of fuel gas, burner assembly 3 obtain the confession of combustion gas to gas inlet pipeline 7 again
It is rekindled after giving, controller 9 then controls blower 8 and restores rated speed, and gas heater works normally.It is to be appreciated that this
Implement csr controller 9 to be electrically connected with gas inlet valve 71, to control gas inlet valve 71 when gas heater works normally
Aperture.
In the present embodiment, the outer wall of shell 1 is provided with mounting base 6, and temperature controller 4 is fixed in mounting base 6, is easily installed temperature
Control device 4.Further, mounting base 6 and shell 1, which are integrally formed, is arranged, and has the advantages that convenient for making and saving cost.
Since gas distributing chamber 2 is located at the lower section of combustion chamber, the temperature of the position of close combustion chamber is high on gas distributing chamber 2
Temperature controller 4 is arranged close to combustion chamber in temperature in the position on gas distributing chamber 2 far from combustion chamber, i.e., temperature controller 4 is mounted on
Close to the position of combustion chamber on gas distributing chamber 2, convenient for more accurately grasping the opportunity that gas distributing chamber 2 may be tempered,
It effectively prevent that tempering phenomenon occurs in gas distributing chamber 2.
Preferably, the quantity of temperature controller 4 is multiple, multiple 4 arranged for interval of temperature controller in the present embodiment.Further, originally
Everywhere in multiple temperature controllers 4 can be distributed on the outer wall of gas distributing chamber 2 in embodiment gas heater, so as to gas
Distributor chamber 2 carries out Multi-azimuth monitoring.Multiple temperature controllers 4 can be connected in series, when the temperature that any one temperature controller 4 detects is greater than
When preset temperature, which is disconnected, and is closed gas inlet valve 71 and is blocked the supply of combustion gas, and improving prevents combustion gas hot
The validity that hydrophone is tempered.
In the present embodiment, gas heater further includes warning device 12, and controller 9 is electrically connected with warning device 12.Into one
Step ground, warning device 12 include display and buzzer, and display and buzzer are electrically connected with controller 9.The present embodiment
The prior art can be used in display and buzzer, judges that temperature controller 4 is in closed state by detection circuit 10 in controller 9
While, controller 9 controls display and shows fault code, and controls buzzer and carry out the alarm that pipes, to prompt user
It takes relevant measure to prevent the generation of tempering in time, such as cuts off the power.The display and buzzer of the present embodiment can be adopted
Use the prior art.In other embodiments, other acoustic-optic alarms 12 in the prior art can be used in warning device 12.
In the present embodiment, gas heater further includes pre-mixing apparatus 11, and pre-mixing apparatus 11 is provided with gas inlet, combustion-supporting
Gas inlet and mixed gas gas outlet, gas inlet pipeline 7 are connected to gas inlet, and the air inlet of blower 8 is connected to mixing
Gas outlet.Combustion gas enters pre-mixing apparatus 11 by the gas inlet of pre-mixing apparatus 11, and air passes through combustion-supporting gas air inlet
Mouthful enter after pre-mixing apparatus 11, air and combustion gas mixs in pre-mixing apparatus 11 formation mixed gas and from mixed gas gas outlet
Outflow, then entering inside blower 8 by the air inlet of blower 8, mixed gas in blower 8 by blade after mixing evenly
Enter gas distributing chamber 2 by the air outlet of blower 8.The blower 8 of the present embodiment can use explosion-proof fan in the prior art
8, the structure design of explosion-proof fan 8 is more reasonable, has the advantages that performance is good and noise is low.
In the present embodiment, venturi gas mixing device in the prior art is can be used in pre-mixing apparatus 11, and gas heater has
Gas inlet pipeline 7 and combustion-supporting gas air inlet pipeline, the gas inlet of venturi gas mixing device and going out for gas inlet pipeline 7
Port connection, the combustion-supporting gas air inlet of venturi gas mixing device are connected to the gas outlet of combustion-supporting gas air inlet pipeline.Combustion gas is logical
Gas inlet pipeline 7 is crossed out of, gas inlet enters venturi gas mixing device mixing chamber, air by combustion-supporting gas into
Air pipe is out of, combustion-supporting gas air inlet enters venturi gas mixing device mixing chamber.Pass through the literary mound of venturi gas mixing device
In effect, using combustion gas as the gas being adsorbed, air and combustion gas can be made to realize sufficient using air as gas compressed
Mixing, to keep burning more abundant.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
Under the utility model design of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of gas heater, which is characterized in that the gas heater includes:
Shell, the inside of the shell form combustion chamber and gas distributing chamber, and the top of the gas distributing chamber is connected to the combustion
Room is burnt, offers mixed gas air inlet below the gas distributing chamber；
Burner assembly, the burner assembly are mounted in the combustion chamber；
Gas inlet pipeline, the gas inlet pipe road are equipped with gas inlet valve；
Blower, the air inlet of the blower are connected to the gas inlet pipeline, the air outlet of the blower and the gaseous mixture
The connection of body air inlet；
Controller, the controller are electrically connected with the blower；And
Temperature controller, the temperature controller be used to monitor temperature in the gas distributing chamber, the temperature controller and the controller and
The gas inlet valve electrical connection.
2. gas heater as described in claim 1, which is characterized in that the temperature controller is mounted on the outer wall of the shell
And the corresponding gas distributing chamber setting, the temperature controller are connect by connecting terminal with the controller.
3. gas heater as claimed in claim 2, which is characterized in that the outer wall of the shell is provided with mounting base, described
Temperature controller is fixed in the mounting base.
4. gas heater as claimed in claim 3, which is characterized in that the mounting base is set with shell integrated molding
It sets.
5. gas heater as claimed in claim 2, which is characterized in that the temperature controller is arranged close to the combustion chamber.
6. gas heater as claimed in claim 2, which is characterized in that the quantity of the temperature controller be it is multiple, it is multiple described
Temperature controller arranged for interval.
7. such as gas heater of any of claims 1-6, which is characterized in that the gas heater further includes report
Alarm device, the controller are electrically connected with the warning device.
8. gas heater as claimed in claim 7, which is characterized in that the warning device includes display and buzzer,
The display and the buzzer are electrically connected with the controller.
9. such as gas heater of any of claims 1-6, which is characterized in that the gas heater further includes pre-
Mixing device, the pre-mixing apparatus are provided with gas inlet, combustion-supporting gas air inlet and mixed gas gas outlet, the combustion gas into
Air pipe is connected to the gas inlet, and the air inlet of the blower is connected to the mixed gas gas outlet.
10. gas heater as claimed in claim 9, which is characterized in that the pre-mixing apparatus is venturi gas mixing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820882239.XU CN208349595U (en) | 2018-06-07 | 2018-06-07 | Gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820882239.XU CN208349595U (en) | 2018-06-07 | 2018-06-07 | Gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208349595U true CN208349595U (en) | 2019-01-08 |
Family
ID=64882643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820882239.XU Active CN208349595U (en) | 2018-06-07 | 2018-06-07 | Gas heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208349595U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353084A (en) * | 2020-09-29 | 2022-04-15 | 芜湖美的厨卫电器制造有限公司 | Burner assembly, hot water equipment and temperature detection device |
| CN115183234A (en) * | 2021-04-02 | 2022-10-14 | 芜湖美的厨卫电器制造有限公司 | Gas distribution device, combustor and gas equipment |
-
2018
- 2018-06-07 CN CN201820882239.XU patent/CN208349595U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353084A (en) * | 2020-09-29 | 2022-04-15 | 芜湖美的厨卫电器制造有限公司 | Burner assembly, hot water equipment and temperature detection device |
| CN115183234A (en) * | 2021-04-02 | 2022-10-14 | 芜湖美的厨卫电器制造有限公司 | Gas distribution device, combustor and gas equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230406 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East District, Wuhu economic and Technological Development Zone, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. |