CN218237859U - Gas water heater - Google Patents
Gas water heater Download PDFInfo
- Publication number
- CN218237859U CN218237859U CN202221717237.8U CN202221717237U CN218237859U CN 218237859 U CN218237859 U CN 218237859U CN 202221717237 U CN202221717237 U CN 202221717237U CN 218237859 U CN218237859 U CN 218237859U
- Authority
- CN
- China
- Prior art keywords
- pressure
- pressure sensor
- housing
- gas
- fan
- 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
Images
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model relates to a gas water heater, which comprises a shell; the combustor, the heat exchanger and the fan are positioned in the shell and arranged in sequence; a pressure detection part including a first pressure sensor and a second pressure sensor isolated from each other, the first pressure sensor being configured to detect a pressure signal upstream or downstream of a fan wheel, the second pressure sensor being configured to detect a pressure signal outside the casing; and the control unit is connected with the pressure detection part and the fan and controls the fan to operate according to pressure signals detected by the first pressure sensor and the second pressure sensor. The utility model provides a gas hot water system can accurate detection wind pressure signal, guarantees the stability of gas hot water system operation.
Description
Technical Field
The utility model relates to a water heater field especially relates to a gas hot water system.
Background
At present, in the use process of a gas water heater (such as a gas water heater or a burner of a wall-hanging stove), different requirements are required for the heat load of the gas water heater according to different hot water amounts and temperature requirements. For the heat load of the burner, the current cooperation control through the proportional valve and the fan is needed. Specifically, when a large thermal load is required, a large current needs to be supplied to the proportional valve, so that the proportional valve has a large opening degree, and more fuel gas can reach the combustor through the proportional valve to be combusted; meanwhile, the high current can be provided for the fan, so that the fan has high rotating speed, the combustion-supporting air quantity can be increased, the gas can be combusted more sufficiently in the combustor, and the combustor has high heat load.
However, in the actual use process, the gas water heater or the wall-hanging stove is often affected by the use environment, for example, in a windy environment, a reverse wind pressure may be generated at an exhaust passage of the gas water heater or the wall-hanging stove, so that the exhaust of the gas water heater or the wall-hanging stove is blocked, the rotation resistance of the fan is increased, the current is reduced, and further, the flow of combustion air is reduced, so that the combustion state is deteriorated. Therefore, a pressure detection element needs to be arranged on the gas water heating device, and in an actual use state, the internal and external wind pressure of the gas water heating device is detected through the pressure detection element, so that the internal and external wind pressure of the gas water heating device is ensured to be within an allowable range, and further the heat load of the gas water heating device is ensured to meet the requirement.
If the publication number is CN203731701U, the publication date is 2014.07.23, and the chinese patent named "gas water heater" discloses that the gas water heater includes a wind pressure detecting unit for detecting the wind pressure in the smoke exhaust pipe, and the wind pressure detecting unit converts the measured wind pressure value into a continuously output voltage signal and transmits the voltage signal to the control mainboard to realize the control of the gas proportional valve, the water proportional valve and the fan assembly, wherein the wind pressure detecting unit is preferably a differential pressure type transmitter, and if the publication number is CN104729101B, the publication date is 2017.06.30, the chinese patent named "gas water heater or wall-hanging furnace combustion control system and control method thereof" discloses that the system includes a wind pressure sensor component for detecting the pressure signal at the upstream of the stepless speed regulating fan, the signal output end of the wind pressure sensor component is connected with the control unit, and the rotating speed of the stepless speed regulating fan is further regulated by detecting the pressure signal at the upstream of the stepless speed regulating fan. However, the wind pressure detection unit or the wind pressure sensor assembly adopted in the prior art is a mechanical sensor, and has the problems of low detection precision and the like.
Therefore, the inventor provides a gas water heating device by virtue of experience and practice of related industries for many years, so as to overcome the defects of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas hot water system, through the optimization of structure, reduce the influence that factors such as environment, temperature detected to the wind pressure, can the accurate detection wind pressure signal, guarantee the stability of gas hot water system operation.
The purpose of the utility model can be realized by adopting the following scheme:
the utility model provides a gas hot water system, include:
a housing;
the combustor, the heat exchanger and the fan are positioned in the shell and arranged in sequence;
the pressure detection component comprises a first pressure sensor and a second pressure sensor which are isolated from each other, the first pressure sensor is used for detecting a pressure signal at the upstream or the downstream of the fan impeller, and the second pressure sensor is used for detecting a pressure signal outside the shell;
and the control unit is connected with the pressure detection part and the fan and controls the fan to operate according to pressure signals detected by the first pressure sensor and the second pressure sensor.
In a preferred embodiment of the present invention, the pressure detecting unit is disposed outside or at least partially inside the housing, and the second pressure sensor is communicated with the outside of the housing through a pressure measuring passage.
In a preferred embodiment of the present invention, the pressure detecting unit includes a housing, the first pressure sensor and the second pressure sensor are both located in the housing, and the pressure measuring passage passes through the housing and communicates with the outside of the housing.
In a preferred embodiment of the present invention, the pressure measuring channel is disposed on the pressure detecting unit, and the inlet of the pressure measuring channel communicates with the outside of the housing.
The utility model discloses an in a preferred embodiment, the first pressure pipe of getting is connected to the pressure measurement passageway, the one end of first pressure pipe with the access connection of pressure measurement passageway, the other end of first pressure pipe passes the casing and with the outside intercommunication of casing.
In a preferred embodiment of the present invention, the pressure detecting component further includes a circuit board, the first pressure sensor and the second pressure sensor are both disposed on the circuit board, and the first pressure sensor and the second pressure sensor are isolated from each other on the circuit board;
the circuit board is provided with a hollow-out portion, and the hollow-out portion is arranged around the first pressure sensor and the second pressure sensor.
In a preferred embodiment of the present invention, the first pressure sensor is connected to the upstream or downstream of the fan impeller through a second pressure sampling pipe.
In a preferred embodiment of the present invention, the first pressure sensor and the second pressure sensor are absolute pressure sensors, and the first pressure sensor and the second pressure sensor respectively include a first pressure measuring chip and a second pressure measuring chip.
In a preferred embodiment of the present invention, the pressure detecting part is mounted on the housing, a heat insulating part is disposed on a side of the pressure detecting part facing the inside of the housing, and a first gap is disposed between the heat insulating part and the pressure detecting part; the inlet of the pressure measuring channel is arranged on one side of the pressure detection component, which is opposite to or faces the interior of the shell.
In a preferred embodiment of the present invention, the pressure detecting unit is extended out of the housing from a side opposite to the inside of the housing.
In a preferred embodiment of the present invention, the casing is provided with a groove recessed outward along the inside of the casing, the pressure detection unit is disposed at least partially in the groove, and the bottom surface of the groove is provided with an opening.
In a preferred embodiment of the present invention, the pressure detecting part faces away from one side of the inside of the casing, and a housing is provided, and a second gap is provided between the housing and the pressure detecting part.
In a preferred embodiment of the present invention, the burner, the heat exchanger and the fan are disposed in the casing from bottom to top, and the pressure detecting unit is disposed on the upper portion of the casing and is close to the position of the fan.
The utility model discloses a in a preferred embodiment, gas hot water system still includes the collection petticoat pipe, the collection petticoat pipe set up in heat exchanger with between the fan, a pressure sensor is used for detecting the inside pressure signal of collection petticoat pipe.
From above, the utility model discloses a gas hot water system's characteristics and advantage are: set up the pressure measurement part on gas hot water system, with first pressure sensor and the mutual isolation of second pressure sensor in the pressure measurement part, detect fan wheel's the upper reaches or the pressure signal in low reaches through first pressure sensor, detect the outside atmospheric pressure signal of casing through the second pressure sensor to can the inside and outside wind pressure signal of accurate detection gas hot water system, guarantee the stability of gas hot water system operation.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
FIG. 1: is a schematic structural diagram of a gas water heater in one embodiment of the utility model.
FIG. 2 is a schematic diagram: is the assembly structure schematic diagram of the pressure detection component in one embodiment of the utility model.
FIG. 3: is a schematic structural diagram of the circuit board in an embodiment of the present invention.
FIG. 4 is a schematic view of: is the exploded structure schematic diagram of the pressure detection component in one embodiment of the present invention.
FIG. 5 is a schematic view of: is a partial enlarged view of the installation position of the pressure detection part in one embodiment of the present invention.
The utility model provides an reference numeral does:
1. a housing; 101. A first gap;
102. a second gap; 103. An opening;
2. a pressure detecting member; 201. A housing;
3. a first pressure sensor; 301. A first connection point;
4. a second pressure sensor; 401. A second connection point;
5. a pressure measuring channel; 6. A circuit board;
601. a hollowed-out portion; 7. A second pressure tapping pipe;
8. a heat insulating member; 9. A housing;
901. pressure tapping; 10. A connecting pipe;
100. a burner; 200. A heat exchanger;
300. a fan; 400. A fume collecting hood.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1 to 5, the utility model provides a gas water heater, this gas water heater includes casing 1, combustor 100, heat exchanger 200, fan 300, pressure detection part 2 and the control unit (not shown), combustor 100, heat exchanger 200 and fan 300 are located casing 1's inside and set gradually to its air outlet direction by the air intake of casing 1, fan 300 provides the suction to outside air, the air that is inhaled in casing 1 heats (with cold water heat transfer) in heat exchanger 200 department after combustor 100 burns, flue gas through heat exchanger 200 is discharged by the air outlet. The utility model discloses in, pressure detection part 2 includes first pressure sensor 3 and second pressure sensor 4, and first pressure sensor 3 is used for detecting the pressure signal of the upper reaches or the low reaches of fan 300 impeller, and second pressure sensor 4 is used for detecting the outside pressure signal of casing 1, and first pressure sensor 3 and second pressure sensor 4 are kept apart each other for first pressure sensor 3 and second pressure sensor 4 can carry out the pressure measurement respectively, avoid first pressure sensor 3 and second pressure sensor 4 to influence each other. The control unit is respectively connected with the pressure detection part 2 and the fan 300, receives the pressure signals detected by the first pressure sensor 3 and the second pressure sensor 4, and controls the fan 300 to operate according to the pressure signals detected by the first pressure sensor 3 and the second pressure sensor 4.
The utility model discloses set up pressure measurement part 2 on gas hot water system, with first pressure sensor 3 and the mutual isolation of second pressure sensor 4 in the pressure measurement part 2, detect the upstream or the pressure signal in low reaches of fan 300 impeller through first pressure sensor 3, detect the outside pressure signal of casing 1 through second pressure sensor 4, thereby can the inside wind pressure signal of accurate detection gas hot water system and outside atmospheric pressure signal, guarantee gas hot water system safety, steady operation.
Further, a pressure signal external to the fan 300 and upstream or downstream of the fan 300 may be detected by the first pressure sensor 3. It should be noted that since the suction force of the fan 300 is generated by the fan 300 impeller, the first pressure sensor 3 is located upstream or downstream of the fan 300 impeller, and preferably, the first pressure sensor 3 is used to detect the pressure signal at the exhaust fume collecting hood upstream of the fan 300.
The utility model discloses a control unit includes memory and controller, and the storage has the pressure signal that detects and the corresponding relation of the heat load of combustor 100 in the memory, and the controller can be according to the operation of corresponding relation control fan 300. In the working process of the gas water heating device, the rotating speed of the impeller of the fan 300 is regulated and controlled by detecting the pressure signal of the upstream or downstream of the impeller of the fan 300, so that the required air flow for supporting combustion of the combustor 100 can be provided, the heat load of the combustor 100 is maintained, and the normal work of the gas water heating device is ensured.
In an alternative embodiment of the present invention, the pressure detection part 2 may be directly disposed outside the housing 1, so that the second pressure sensor 4 detects an atmospheric pressure signal outside the housing 1. Of course, at least part of the pressure detecting component 2 may be disposed inside the housing 1, and the second pressure sensor 4 may be communicated with the outside of the housing 1 through the pressure measuring channel 5, so as to detect the pressure signal outside the housing 1.
Further, as shown in fig. 2, the pressure detection component 2 includes a housing 201, the first pressure sensor 3 and the second pressure sensor 4 are both fixedly disposed in the housing 201, the first pressure sensor 3 and the second pressure sensor 4 are protected by the housing 201, one end of the pressure measurement channel 5 is communicated with the second pressure sensor 4, and the other end of the pressure measurement channel 5 passes through the housing 201 and is communicated with the outside of the housing 1. The gas water heater is communicated with the external atmosphere through the pressure measuring channel 5, so that the external atmosphere can be directly detected, and the influence of factors such as air flow fluctuation and air flow disturbance in the gas water heater on the accuracy of the atmosphere pressure detected by the second pressure sensor 4 is avoided; in addition, the influence of temperature rise on the consistency and accuracy of the pressure measuring chip can be reduced, the accuracy of wind pressure signal detection is improved, and the stable operation of the gas water heater is ensured.
Further, as shown in FIG. 2, a pressure measuring channel 5 may be provided on the pressure detecting unit 2 (i.e., the pressure measuring channel 5 is directly formed on the pressure detecting unit 2), and an inlet of the pressure measuring channel 5 communicates with the outside of the case 1. Of course, in order to increase the length of the pressure measuring channel 5 and reduce the influence of the air flow and temperature inside the gas water heater on the pressure detection, the pressure measuring channel 5 may be connected to a first pressure measuring pipe (not shown), one end of the first pressure measuring pipe is connected to the inlet of the pressure measuring channel 5, and the other end of the first pressure measuring pipe passes through the housing 1 and is communicated with the outside of the housing 1.
In an optional embodiment of the present invention, as shown in fig. 2 and fig. 3, the pressure detecting component 2 further includes a circuit board 6, the first pressure sensor 3 and the second pressure sensor 4 are both disposed on the circuit board 6, and the first pressure sensor 3 and the second pressure sensor 4 are isolated on the circuit board 6, so that the first pressure sensor 3 and the second pressure sensor 4 can accurately detect the pressure signal of the detected region, thereby ensuring the stability of the operation of the gas water heating apparatus.
Further, as shown in fig. 2, a hollow portion 601 is disposed on the circuit board 6, the hollow portion 601 is disposed around the first pressure sensor 3 and the second pressure sensor 4, the first pressure sensor 3 is connected to the circuit board 6 through a first connection point 301, and the second pressure sensor 4 is connected to the circuit board 6 through a second connection point 401. Can be with between first pressure sensor 3 and the second pressure sensor 4 through fretwork portion 601 to and keep apart between first pressure sensor 3 and the second pressure sensor 4 and the circuit board 6, effectively prevent that circuit board 6 from taking place the influence of thermal radiation and temperature rise that deformation and gas hot water system produced to first pressure sensor 3 and second pressure sensor 4 under low temperature environment, avoid the fluctuation of the first pressure sensor 3 that leads to because of above-mentioned factor and second pressure sensor 4 detection pressure, guarantee the accuracy of pressure measurement.
In an optional embodiment of the present invention, the first pressure sensor 3 and the second pressure sensor 4 are absolute pressure sensors, the first pressure sensor 3 includes a first pressure measuring chip, the second pressure sensor 4 includes a second pressure measuring chip, the pressure signal inside the casing 1 is output to the first pressure measuring chip, and the pressure signal outside the casing 1 is transmitted to the second pressure measuring chip.
In the utility model discloses an optional embodiment, as shown in fig. 2, be provided with connecting pipe 10 on the shell 201, the one end and the first pressure sensor 3 intercommunication of connecting pipe 10, the second is got and is pressed pipe 7 is connected to the other end of connecting pipe 10, the second is got and is pressed pipe 7 and extend to the upstream or the low reaches of fan 300 impeller for first pressure sensor 3 can be through the upstream or the low reaches intercommunication of second pressure pipe 7 with fan 300 impeller, and then through the second pressure pipe 7 of getting to detect the inside wind pressure that just is close to fan 300 department of gas hot-water apparatus, improve the accuracy that detects the inside wind pressure of gas hot-water apparatus. Of course, the pressure measuring channel can be arranged or the mode that the pressure measuring channel is communicated with the second pressure sampling pipe 7 is adopted to detect the air pressure inside the gas water heater, and the requirement for detecting the air pressure close to the fan 300 can be met.
In an optional embodiment of the utility model, as shown in fig. 2, fig. 4, pressure detection part 2 is installed on casing 1, pressure detection part 2 stretches out casing 1 to one side inside casing 1 dorsad, pressure detection part 2 is provided with heat insulating part 8 in the face of one side inside casing 1, heat insulating part 8 is the platelike structure of connecting on casing 1, heat insulating part 8 separates to keep off between casing 1's inside and pressure detection part 2, play thermal-insulated effect, reduce the influence of factors such as the inside air current disturbance of gas hot water apparatus and temperature to the pressure measurement chip, improve the accuracy to the detection of wind pressure signal, guarantee gas hot water apparatus steady operation.
Further, as shown in fig. 2, the heat insulating member 8 is recessed toward the inside of the housing 1 to form a first gap 101, the first gap 101 is located between the heat insulating member 8 and the pressure detecting member 2, and the inlet of the pressure measuring passage 5 is disposed on the side of the pressure detecting member 2 opposite to or facing the inside of the housing 1. By providing the first gap 101, a further thermal insulation function can be provided between the thermal insulation member 8 and the inside of the casing 1.
In an optional embodiment of the present invention, a groove (which provides a mounting position for the pressure detection part 2) that is recessed outwards along the inside of the casing 1 may be provided on the casing 1, and the pressure detection part 2 is at least partially disposed in the groove.
In an optional embodiment of the present invention, as shown in fig. 5, a through hole 103 is disposed on the casing 1, the pressure detecting component 2 is disposed at the through hole 103, and one side of the pressure detecting component 2 opposite to the inside of the casing 1 passes through the through hole 103 and extends out of the casing 1, so as to directly detect an external atmospheric pressure signal.
In another optional embodiment of the present invention, as shown in fig. 2 and fig. 4, a cover 9 may be further disposed on a side of the pressure detecting part 2 opposite to the inside of the casing 1, the cover 9 is connected to the casing 1, the cover 9 is disposed between the pressure detecting part 2 and the outside of the casing 1, and a second gap 102 is disposed between the cover 9 and the pressure detecting part 2. Through the setting of housing 9 and second clearance 102, can play thermal-insulated, the effect of protection to pressure measurement part 2, avoid pressure measurement part 2 impaired to can improve pressure measurement part 2 and to the accuracy that the wind pressure signal detected, guarantee gas hot water system steady operation.
Further, as shown in fig. 2 and 4, a plurality of pressure tapping holes 901 are formed in the casing 9, and the plurality of pressure tapping holes 901 may be used as a part of the pressure measuring channel 5 to detect the pressure outside the casing 1.
In an optional embodiment of the present invention, as shown in fig. 1, the burner 100, the heat exchanger 200, and the fan 300 are sequentially disposed from bottom to top in the casing 1, the pressure detecting part 2 is disposed on the upper portion of the casing 1 and near the fan 300, an air inlet is disposed on the lower portion of the casing 1 and upstream of the burner 100, and an air outlet is disposed on the upper portion of the casing 1 and downstream of the fan 300. In the working process of the gas water heating device, under the action of suction force of the fan 300, external air enters the shell 1 through the air inlet, is heated by the burner 100 firstly, then heats cold water at the heat exchanger 200, and finally is discharged from the air outlet after passing through the heat exchanger 200.
In an optional embodiment of the present invention, the gas water heater further includes a smoke collecting cover 400, the smoke collecting cover 400 is disposed between the heat exchanger 200 and the fan 300, and the first pressure sensor 3 is used for detecting a pressure signal inside the smoke collecting cover 400.
The utility model discloses a gas hot water system's characteristics and advantage are:
1. in this gas hot water system, directly be linked together pressure measurement chip and gas hot water system's outside through pressure measurement passageway 5 and/or pressure sampling pipe, avoid gas hot water system inside pressure and air current disturbance to producing the influence to detecting the precision, improve the accuracy that the wind pressure detected, guarantee gas hot water system safety, steady operation.
2. In the gas water heating device, the heat insulation part 8 and the housing 9 are arranged to insulate the pressure detection part 2, so that the problem that the consistency and accuracy of a pressure measuring chip are poor due to temperature rise is solved; in addition, the pressure detection component 2 is arranged on the shell 1 and is far away from a region with higher temperature in the shell 1, so that the pressure measuring chip is prevented from affecting the accuracy of temperature detection due to sensitivity to temperature rise.
3. In the gas water heating device, the circuit board 6 is provided with the hollow part 601 around the pressure measuring chip, so that the influence of stress on the pressure measuring chip caused by the deformation of the circuit board 6 in a low-temperature environment is effectively prevented, the conditions that a fan side detection chip (namely, the first pressure sensor 3) and an atmosphere side detection chip (namely, the second pressure sensor 4) have pressure difference fluctuation and fluctuation inconsistency are avoided, and the pressure measuring accuracy is ensured.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications of the invention without departing from the spirit and principles of the invention should be considered within the scope of the invention.
Claims (14)
1. A gas-fired water heating apparatus, comprising:
a housing;
the combustor, the heat exchanger and the fan are positioned in the shell and arranged in sequence;
a pressure detection part including a first pressure sensor and a second pressure sensor isolated from each other, the first pressure sensor being configured to detect a pressure signal upstream or downstream of a fan wheel, the second pressure sensor being configured to detect a pressure signal outside the casing;
and the control unit is connected with the pressure detection part and the fan and controls the fan to operate according to pressure signals detected by the first pressure sensor and the second pressure sensor.
2. The gas-fired water heating apparatus according to claim 1, wherein the pressure detection unit is provided outside the case or at least a part of the pressure detection unit is provided inside the case, and the second pressure sensor communicates with the outside of the case through a pressure measurement passage.
3. The gas-fired water heating apparatus according to claim 2, wherein the pressure detecting member includes a housing, the first pressure sensor and the second pressure sensor are each located within the housing, and the pressure measuring passage passes through the housing and communicates with an outside of the case.
4. The gas-fired water heating apparatus according to claim 3, wherein the pressure sensing unit is provided with a pressure sensing passage, an inlet of which communicates with an outside of the case.
5. The gas-fired water heating apparatus according to claim 4, wherein the pressure measuring passage is connected to a first pressure taking pipe, one end of the first pressure taking pipe is connected to an inlet of the pressure measuring passage, and the other end of the first pressure taking pipe passes through the housing and communicates with the outside of the housing.
6. The gas-fired water heating apparatus according to claim 3, wherein said pressure detecting means further comprises a circuit board, said first pressure sensor and said second pressure sensor being disposed on said circuit board, said first pressure sensor being isolated from said second pressure sensor on said circuit board;
the circuit board is provided with a hollow part, and the hollow part surrounds the first pressure sensor and the second pressure sensor.
7. The gas-fired water heating apparatus according to claim 2, wherein said first pressure sensor communicates with upstream or downstream of said fan wheel through a second pressure tapping pipe.
8. The gas-fired water heating apparatus according to any one of claims 1 to 7, wherein the first pressure sensor and the second pressure sensor are both absolute pressure sensors, the first pressure sensor and the second pressure sensor including a first pressure chip and a second pressure chip, respectively.
9. The gas-fired water heating apparatus according to claim 3, wherein said pressure detecting member is mounted on said housing, a side of said pressure detecting member facing an inside of said housing is provided with a heat insulating member, and a first gap is provided between said heat insulating member and said pressure detecting member; the inlet of the pressure measuring channel is arranged on one side of the pressure detection component, which is opposite to or faces the interior of the shell.
10. The gas-fired water heating apparatus of claim 9 wherein a side of said pressure sensing member facing away from the interior of said housing extends out of said housing.
11. The gas-fired water heating apparatus as claimed in claim 9, wherein said housing is provided with a groove recessed outwardly along the interior of the housing, said pressure sensing member is disposed at least partially in said groove, and the bottom surface of said groove is provided with an opening.
12. The gas-fired water heating apparatus according to claim 9, wherein a cover is provided on a side of said pressure detecting member facing away from an interior of said housing, and a second gap is provided between said cover and said pressure detecting member.
13. The gas-fired water heating apparatus according to claim 9, wherein the burner, the heat exchanger and the fan are sequentially disposed in the housing from bottom to top, and the pressure detecting member is disposed at an upper portion of the housing and near the fan.
14. The gas fired water heater of claim 1, further comprising a smoke collection hood disposed between the heat exchanger and the fan, the first pressure sensor for detecting a pressure signal inside the smoke collection hood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221717237.8U CN218237859U (en) | 2022-07-05 | 2022-07-05 | Gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221717237.8U CN218237859U (en) | 2022-07-05 | 2022-07-05 | Gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218237859U true CN218237859U (en) | 2023-01-06 |
Family
ID=84673531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221717237.8U Active CN218237859U (en) | 2022-07-05 | 2022-07-05 | Gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218237859U (en) |
-
2022
- 2022-07-05 CN CN202221717237.8U patent/CN218237859U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106642711B (en) | Dual sensing combustion system | |
| CN104729101B (en) | Gas heater or wall-hung boiler combustion control system and its control method | |
| US6377426B2 (en) | Gas furnace with variable speed draft inducer | |
| CN103842726B (en) | Hot-water heating system with oxygen sensor | |
| US8230825B2 (en) | Boiler control system | |
| CN218237859U (en) | Gas water heater | |
| US4102627A (en) | Draft tell-tale for fired furnaces | |
| CN106168591B (en) | Combustible gas detecting device in a kind of furnace | |
| CN208058931U (en) | Temperature sensor and gas-cooker | |
| JP3777041B2 (en) | Combustion equipment | |
| GB2237665A (en) | Boiler control | |
| AU2014263407B2 (en) | Apparatus for measuring differential pressure in air blower | |
| MXPA05001399A (en) | Differential static pressure measuring device. | |
| CN210624586U (en) | Temperature sensor with cooling function and gas stove using temperature sensor | |
| CA1096008A (en) | Furnace pressure sensor | |
| AU603689B2 (en) | Flueless combustion safety system | |
| JP3030167B2 (en) | Water heater combustion control device | |
| CN108592409A (en) | A kind of Intelligent gas water heater based on Intelligent bracelet | |
| CN218156584U (en) | Maintenance detection device of temperature-sensitive detector | |
| KR102493784B1 (en) | Boiler with supply air temperature sensor | |
| CN216384619U (en) | Wall-mounted furnace based on full premixed combustion | |
| KR880000184B1 (en) | Control apparatus of fan for heating system | |
| CN214791887U (en) | Environment self-adaptive full-premix condensing gas heating and bathing dual-purpose furnace | |
| JP3115829B2 (en) | Flow sensor diagnostic device | |
| CA1325745C (en) | Exhaust apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |