CN206831821U - Gas heater - Google Patents
Gas heater Download PDFInfo
- Publication number
- CN206831821U CN206831821U CN201720510407.8U CN201720510407U CN206831821U CN 206831821 U CN206831821 U CN 206831821U CN 201720510407 U CN201720510407 U CN 201720510407U CN 206831821 U CN206831821 U CN 206831821U
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- return airway
- gas heater
- housing
- burner
- heat exchanger
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Abstract
The utility model discloses a kind of gas heater, including：Housing, heat exchanger, the burner heated for heat exchanging device, return airway and blower fan, housing is provided with exhaust opening and air intlet, heat exchanger is located in housing, burner is located in housing and connected with exhaust opening, return airway is only has the seal of air inlet and air outlet, and return airway is located in housing, and air inlet connects with air intlet, air outlet is connected with burner, and blower fan is connected on return airway.The sealing effectiveness of return airway is added according to gas heater of the present utility model, prevent the damage of the gas heater caused by return airway leaks out, it also add the ventilation of gas heater, combustion gas is may advantageously facilitate fully to burn, and return airway can keep apart the distinguished and admirable electrical equipment original paper with gas heater, the distinguished and admirable damage electrical equipment original paper of high temperature is prevented.
Description
Technical field
Technical field of water heaters is the utility model is related to, in particular to a kind of gas heater.
Background technology
Gas heater in correlation technique uses flue gas balanced exchange mode, hotter because the temperature of return air is higher
Return air easily causes damage to the inside original paper of gas heater, influences the service life of gas heater, and return airway
Sealing effectiveness is poor, further influences the reliability of gas heater.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.
Therefore, the utility model proposes a kind of gas heater, the service life of the gas heater is longer, and seal
Can be preferably.
The application is made based on discovery of the utility model people to following facts and problem and understanding：It is new according to this practicality
The gas heater of type embodiment, including：Housing, heat exchanger, the burner for being heated to the heat exchanger, return air wind
Road and blower fan, the housing are provided with exhaust opening and air intlet, and the heat exchanger is located in the housing, and the burner is set
Connected in the housing and with the exhaust opening, the return airway is only has the seal of air inlet and air outlet, institute
State return airway to be located in the housing, the air inlet connects with the air intlet, the air outlet and the burner
Connection, the blower fan are connected on the return airway.
According to gas heater of the present utility model, by setting the return airway of absolute construction in housing, not only increase
The sealing effectiveness of return airway is added, has prevented the damage of the gas heater caused by return airway leaks out, also add combustion gas
The ventilation of water heater, it may advantageously facilitate combustion gas and fully burn, and then improve the efficiency of combustion and heating load of gas heater,
And return airway can keep apart the distinguished and admirable electrical equipment original paper with gas heater, prevent that the distinguished and admirable damage electrical equipment of high temperature is former
Part, moreover it is possible to prevent the loss of heat.
According to the gas heater of the utility model one embodiment, the return airway is integrated part, not only ensure that
The structure and stable performance of return airway, moreover it is possible to extend the service life of return airway.
According to the gas heater of the utility model one embodiment, the cross section of the return airway is rectangle and installation
On the rear inwall of the housing, on the basis of gas heater space-consuming is not increased, air quantity is farthest added,
It may advantageously facilitate the abundant burning of combustion gas.
Further, the heat exchanger is located at the front of the return airway, and the air inlet is located at the return airway
Preceding surface upper end, the air outlet is located at the lower end on the preceding surface of the return airway, the blower fan be connected to it is described go out
On air port.
According to the gas heater of the utility model one embodiment, backwind tube, the row are connected with the air inlet
Be connected with smoke exhaust pipe on mouth, the caliber of the backwind tube is more than the smoke exhaust pipe, the smoke exhaust pipe through the backwind tube with
The burner connection.Thus, the indoor oxygen consumption problem of gas heater can not only be eliminated, also reduces backwind tube and smoke evacuation
The space-consuming of pipe.
Alternatively, transfer tube is connected with the air inlet, the backwind tube is connected to the upper surface of the transfer tube.
Also include being used for the exhaust fume collecting hood for collecting flue gas caused by the burner, the exhaust fume collecting hood connects with the burner
And the smoke exhaust pipe is connected on the exhaust fume collecting hood.
According to the gas heater of the utility model one embodiment, the return airway closely pastes with the heat exchanger
Close, so as to reduce the volume of gas heater.
According to the gas heater of the utility model one embodiment, the housing includes：Drain pan and face-piece, the return air
Air channel is arranged on the drain pan, and the face-piece is removably mounted on the drain pan.
According to the utility model further embodiment, the junction of the face-piece and the drain pan is provided with sealing strip.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 is the front view according to the gas heater of the utility model embodiment.
Fig. 2 is the rearview according to the gas heater of the utility model embodiment.
Fig. 3 is the cut away left side view of structure in Fig. 2.
Fig. 4 is the structural representation according to the gas heater of the utility model embodiment.
Fig. 5 is the right side cross-sectional view of structure in Fig. 4.
Fig. 6 is the rearview of structure in Fig. 4.
Fig. 7 is the left side view of structure in Fig. 4.
Fig. 8 is the left side view according to the gas heater of the utility model embodiment.
Fig. 9 is enlarged drawing at A in Fig. 3.
Reference：
100：Gas heater；
10：Housing；11：Drain pan；111：Backboard；112：Side plate；1121：Side plate flange；
12：Face-piece；121：Face-piece flange；13：Exhaust fume collecting hood；
20：Heat exchanger；21：Heat exchanger tube；
30：Burner；
40：Return airway；41：Smoke exhaust pipe；42：Backwind tube；43：Transfer tube；
50：Blower fan；
60：Sealing strip.
Embodiment
The application is made based on discovery of the utility model people to following facts and problem and understanding：
Gas heater in correlation technique, its return airway are limited jointly by backboard and the air duct board on backboard
Fix, gas leakage and gas blowby easily occur between air duct board and backboard, influence the sealing of return airway.
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, it is to be understood that term " thickness ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " bottom " " interior ", " outer ", " axial direction ", " radial direction ", " circumference " are base
In orientation shown in the drawings or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or
Imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that
To limitation of the present utility model.In addition, define " first ", the feature of " second " can express or implicitly include one or
More this feature of person.In description of the present utility model, unless otherwise indicated, " multiple " be meant that two or two with
On.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Below with reference to the accompanying drawings gas heater 100 according to the utility model embodiment is described.
As shown in Figure 1-Figure 3, included according to the gas heater 100 of the utility model embodiment：Housing 10, heat exchanger
20th, burner 30, return airway 40 and blower fan 50.
Accommodating chamber (not shown) is limited in housing 10, there is heat exchanger 20 in accommodating chamber, the top of heat exchanger 20 is provided with
Exhaust opening (not shown), exhaust opening vertically (above-below direction as shown in Figure 1) run through housing 10 upper wall surface, exhaust opening
Outer ring formed with burner 30 is provided with along its air intlet (not shown) circumferentially, the bottom of heat exchanger 20, combustion gas is entered
Enter burner 30 to be burnt and carry out heat supply for heat exchanger 20, as shown in figure 3, the top connection exhaust opening of burner 30, under
Side has blower fan 50, and blower fan 50 will be the air blast of burner 30, promotes combustion gas fully to burn, the side of blower fan 50 is entered provided with air
Mouthful, air intlet runs through the side wall of housing 10 in the horizontal direction.
As shown in figure 3, being provided with return airway 40 between air intlet and burner 30, return airway 40 is located at housing 10
It is interior, and return airway 40 is formed as the seal only with air inlet and air outlet, passes through air channel between air inlet and air outlet
Connection, air inlet connect with air intlet, and air outlet connects with burner 30, and air enters return airway 40 from air intlet,
And then enter by blower fan 50 and under the drive of blower fan 50 burner 30, promote fuel gas buring.
Therefore, according to the gas heater 100 of the utility model embodiment, by setting absolute construction in housing 10
Return airway 40, the sealing effectiveness of return airway 40 is not only increased, prevent the gas and hot water caused by return airway 40 leaks out
The damage of device 100, the ventilation of gas heater 100 is also add, may advantageously facilitate combustion gas and fully burn, and then improve combustion
The efficiency of combustion and heating load of gas water heater 100, and return airway 40 can be by the distinguished and admirable electrical equipment with gas heater 100
Original paper is kept apart, and prevents the distinguished and admirable damage electrical equipment original paper of high temperature, moreover it is possible to prevent the loss of heat, enable heat in return air again
Gas heater 100 is returned to, improves the thermal efficiency of gas heater 100.
Further, return airway 40 is integrated part.That is, return airway 40 is formed as an overall structure, can
, can also welding fabrication to be that casting is integrally formed.The structural strength of integral piece is higher, and stability is stronger, extends return air wind
The service life in road 40, and attachment structure and technique between adjacent component are eliminated, improve the closed of return airway 40
Property, extend service life, moreover it is possible to lift the efficiency of assembling of gas heater 100.
In some specific examples, return airway 40 be arranged on the rear surface of housing 10 inner side, return airway 40 it is transversal
The rectangular cross-section in the air channel that chamber limit is formed in face and return airway 40, so not only can be in order to return airway 40 be set
Put in the housing 10 of rectangle, save the installing space of return airway 40, improve the utilization rate in space in housing 10, additionally it is possible to
Increase the wind flow of return airway 40, be advantageous to be lifted the efficiency of combustion of gas heater 100.
As shown in figure 5, according to a specific embodiment of the present utility model, before heat exchanger 20 is located at return airway 40
Side, the front of heat exchanger 20 is provided with display panel (not shown).Thus it can not only prevent that the high temperature in return airway 40 is distinguished and admirable
The electronic components such as display panel are caused to damage, also operates for user and is provided conveniently with observing display panel.
Wherein, air inlet is located at the upper end (upper end as shown in Figure 5) on the preceding surface of return airway 40, and air outlet is located at back
The lower end (lower end as shown in Figure 5) on the preceding surface in wind air channel 40, blower fan 50 is connected on air outlet, as shown in figure 5, return air wind
Road 40 is preceding surface towards the side of housing 10, and air inlet and air outlet are separately positioned on the upper and lower ends on preceding surface, can not only
It is enough distinguished and admirable unobstructed between guarantee air intlet and blower fan 50, and can be in order to return airway 40 and blower fan 50 and air intlet
Connection.
As shown in fig. 7, being connected with backwind tube 42 in some specific examples, on air inlet, backwind tube 42 is generally formed into
Column, is connected with smoke exhaust pipe 41 on exhaust opening, and smoke exhaust pipe 41 is similar with backwind tube 42 to be generally formed into column, and backwind tube 42
Caliber is more than smoke exhaust pipe 41, and smoke exhaust pipe 41 connects through backwind tube 42 with burner 30.That is, smoke exhaust pipe 41 is arranged on back
The inside of airduct 42.Specifically, smoke exhaust pipe 41 can be with coaxially arranged with backwind tube 42.
Thereby, it is possible to solve the problems, such as the oxygen consumption of gas heater 100 " wind resistance " and interior, the work of burner 30 is improved
Performance, and then the efficiency of combustion of combustion gas is improved, gas consumption can not only be reduced, moreover it is possible to prevent because of the insufficient production of fuel gas buring
The pernicious gases such as raw carbon monoxide.
Alternatively, transfer tube 43 is connected with air inlet, transfer tube 43 radially extends along backwind tube 42, and backwind tube 42 connects
The upper surface of transfer tube 43 is connected on, and backwind tube 42 connects with transfer tube 43, it is distinguished and admirable by transfer tube 43, enter from backwind tube 42
Into return airway 40.
Backwind tube 42 and return airway 40 are connected using transfer tube 43, backwind tube 42 and return airway 40 can not only be easy to
Connection, lift the connection seal between backwind tube 42 and return airway 40, moreover it is possible to increase backwind tube 42 and return airway 40
The cross-sectional area of junction, reduces back wind resistance.
In some alternatively embodiment, gas heater 100 also includes being used to collect flue gas caused by burner 30
Exhaust fume collecting hood 13, exhaust fume collecting hood 13 are generally formed into an inverted funnel-form, and the lower end of exhaust fume collecting hood 13 is located on heat exchanger 20 simultaneously
Connected with burner 30, burner 30 burns caused flue dust by the entrance exhaust fume collecting hood 13 of heat exchanger 20, the upper end of exhaust fume collecting hood 13
Smoke exhaust pipe 41 is connected, the flue dust in exhaust fume collecting hood 13 is discharged into outside housing 10 by smoke exhaust pipe 41.
Using flue dust caused by the collection burner 30 of exhaust fume collecting hood 13, flue dust can not only be prevented to be collected at housing 10 and influence to lead to
Wind, moreover it is possible to prevent flue dust from being run helter-skelter in housing 10, eliminate flue dust to damage caused by gas heater 100, and improve combustion
The clean and tidy degree of structure inside gas water heater 100.
Specifically, between return air channel 40, smoke exhaust pipe 41, backwind tube 42, transfer tube 43, exhaust fume collecting hood 13 and blower fan 50
There are sealing cotton, glue or sealing structure to be sealed.
As shown in fig. 7, in some specific embodiments of the present utility model, heat exchanger 20 includes several around being located at heat exchange
Heat exchanger tube 21 on device 20, the inner side of heat exchanger tube 21 is fitted tightly on heat exchanger 20, between heat exchanger tube 21 and return airway 40
Heat exchanger tube 21 on be brought into close contact towards the side of return airway 40 and return airway 40.
Thus, heat exchanger 20 can not only collect caused heat in burner 30, moreover it is possible to be collected into part outgoing airflow
In heat, on the one hand improve the energy utilization rate of gas heater 100, on the other hand, reduce the temperature of outgoing airflow,
Reduce damage of the high temperature gas flow to electronic component.
In some specific examples, housing 10 includes drain pan 11 and face-piece 12, as shown in figure 8, drain pan 11 is mainly by backboard
111 and side plate 112 form, neighboring of the side plate 112 along backboard 111 is along arrangement, and along the axially extending of backboard 111, backboard 111
Rear side connection return airway 40, the detachably connected face-piece 12 in front side of side plate 112.
Coordinate the outside for being wrapped in gas heater 100 using drain pan 11 and face-piece 12, gas and hot water can not only be ensured
The structural integrity of the outer surface of device 100, moreover it is possible to lift the aesthetic measure of gas heater 100, and external environment condition can be prevented
Corrode the inside original paper of gas heater 100.
In addition, by dismantling face-piece 12 structure in housing 10 can be made exposed, can be in order to the dimension of gas heater 100
Repair.
Further, the junction of face-piece 12 and drain pan 11 is provided with sealing strip 60, as shown in figure 9, the edge of face-piece 12
Formed with the face-piece flange 121 circumferentially extended along it, corresponded on the side plate 112 of drain pan 11 face-piece flange 121 position be provided with
Its corresponding flange of drain pan 11, sealing strip 60 are arranged between the flange of face-piece 12 and the flange of drain pan 11, and along the inner ring wall of side plate 112
The circumferentially extending in face, prevent that gap is produced between face-piece 12 and drain pan 11 influences the performance of gas heater 100, due to sealing strip
60 be elastomeric material or other flexible material parts, gas heater 100 by after removing and installing repeatedly, sealing strip 60 remain to compared with
Gap between good sealing face-piece 12 and drain pan 11, extend the service efficiency of gas heater 100.
It is possible thereby to realize the dual-seal of return airway 40 and housing 10, ensure more than 100 dismounting dimension of gas heater
Rear sealing property is repaiied to remain to meet national standard level.
According to other compositions of the gas heater 100 of the utility model embodiment and operate for the common skill in this area
All it is known for art personnel, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present utility model.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.Moreover, description specific features, structure, material or
Person's feature can combine in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle and objective of the present utility model, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (10)
- A kind of 1. gas heater, it is characterised in that including：Housing, the housing are provided with exhaust opening and air intlet；Heat exchanger, the heat exchanger are located in the housing；For the burner heated to the heat exchanger, the burner is located in the housing and connected with the exhaust opening It is logical；Return airway, only to have the seal of air inlet and air outlet, the return airway is located at described the return airway In housing, the air inlet connects with the air intlet, and the air outlet connects with the burner；Blower fan, the blower fan are connected on the return airway.
- 2. gas heater according to claim 1, it is characterised in that the return airway is integrated part.
- 3. gas heater according to claim 1, it is characterised in that the cross section of the return airway is rectangle and peace On the rear inwall of the housing.
- 4. gas heater according to claim 3, it is characterised in that before the heat exchanger is located at the return airway Side, the air inlet are located at the upper end on the preceding surface of the return airway, and the air outlet is located at the preceding table of the return airway The lower end in face, the blower fan are connected on the air outlet.
- 5. gas heater according to claim 1, it is characterised in that backwind tube is connected with the air inlet, it is described Smoke exhaust pipe is connected with exhaust opening, the caliber of the backwind tube is more than the smoke exhaust pipe, and the smoke exhaust pipe passes through the backwind tube Connected with the burner.
- 6. gas heater according to claim 5, it is characterised in that transfer tube is connected with the air inlet, it is described Backwind tube is connected to the upper surface of the transfer tube.
- 7. gas heater according to claim 5, it is characterised in that also include being used to collect caused by the burner The exhaust fume collecting hood of flue gas, the exhaust fume collecting hood is connected with the burner and the smoke exhaust pipe is connected on the exhaust fume collecting hood.
- 8. gas heater according to claim 1, it is characterised in that the return airway closely pastes with the heat exchanger Close.
- 9. gas heater according to claim 1, it is characterised in that the housing includes：Drain pan, the return airway are arranged on the drain pan；Face-piece, the face-piece are removably mounted on the drain pan.
- 10. gas heater according to claim 9, it is characterised in that the junction of the face-piece and the drain pan is set There is sealing strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720510407.8U CN206831821U (en) | 2017-05-09 | 2017-05-09 | Gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720510407.8U CN206831821U (en) | 2017-05-09 | 2017-05-09 | Gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206831821U true CN206831821U (en) | 2018-01-02 |
Family
ID=60771114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720510407.8U Active CN206831821U (en) | 2017-05-09 | 2017-05-09 | Gas heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206831821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101368A (en) * | 2017-05-09 | 2017-08-29 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
-
2017
- 2017-05-09 CN CN201720510407.8U patent/CN206831821U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101368A (en) * | 2017-05-09 | 2017-08-29 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
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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: 20230322 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 Wuhu economic and Technological Development Zone, Wuhu, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. |