CN221076791U - Gas hot water heater - Google Patents
Gas hot water heater Download PDFInfo
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- CN221076791U CN221076791U CN202322106867.2U CN202322106867U CN221076791U CN 221076791 U CN221076791 U CN 221076791U CN 202322106867 U CN202322106867 U CN 202322106867U CN 221076791 U CN221076791 U CN 221076791U
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Abstract
The utility model belongs to the technical field of gas hot water heaters, and relates to a gas hot water heater. The shell is provided with an air inlet, a fan, a heat exchanger, a gas fire row, a first pipeline, a main control board and an air speed sensor are all arranged in the shell, the first pipeline is connected to a water inlet and a water outlet of the heat exchanger, the gas fire row is used for heating the heat exchanger, and the fan is used for pumping out air in the shell; the main control board is electrically connected with the wind speed sensor, and the wind speed sensor is positioned at the air inlet. The main control board is used for controlling the gas hot water heating furnace not to start or to close according to the fact that the wind speed signal detected by the wind speed sensor is lower than a preset value, and controlling the gas hot water heating furnace to start when the wind speed signal reaches the preset value. The combustion monitoring of the gas hot water heater is accurate and reliable, and the safety is high.
Description
Technical Field
The utility model relates to the technical field of gas hot water heaters, in particular to a gas hot water heater.
Background
The gas hot water heater is a device for heating water to a certain temperature by using gas combustion and realizing heating requirements through a heating pipeline and a radiator. The gas hot water heater can also provide warm water or hot water for a user. The existing gas hot water heater realizes the combustion monitoring of the gas hot water heater by installing a wind pressure switch or a wind pressure sensor at the air outlet of the fan.
Because the wind pressure switch or the wind pressure sensor can judge only after the fan is started and reaches a preset pressure value, the monitoring mode is poor in judging accuracy, the conditions such as false alarm or no alarm can occur frequently, the abnormal smoke in the combustion process of the gas hot water heater cannot be monitored accurately, and potential safety hazards exist. Meanwhile, the pressure taking port is arranged at the air outlet of the fan in such a monitoring mode, and the silica gel pipe or the aluminum pipe is connected with the wind pressure sensor port.
Disclosure of utility model
The utility model aims to provide a gas hot water heater, which has the advantages of accurate combustion monitoring and high safety.
The utility model discloses a gas hot water heater, which comprises a shell, a fan, a heat exchanger, a gas fire row, a first pipeline, a main control board and an air speed sensor, wherein the fan is arranged on the shell;
The shell is provided with an air inlet, a fan, a heat exchanger, a gas fire row, a first pipeline, a main control board and an air speed sensor are all arranged in the shell, the first pipeline is connected to a water inlet and a water outlet of the heat exchanger, the gas fire row is used for heating the heat exchanger, and the fan is used for pumping out air in the shell; the main control board is electrically connected with the wind speed sensor, and the wind speed sensor is positioned at the air inlet;
The main control board is used for controlling the gas hot water heating furnace not to start or to close according to the fact that the wind speed signal detected by the wind speed sensor is lower than a preset value, and controlling the gas hot water heating furnace to start when the wind speed signal reaches the preset value.
Optionally, the gas hot water heater further comprises an air box arranged in the shell, and the fan is arranged on the air box and communicated with the air box; the bellows is covered on the heat exchanger.
Optionally, the gas hot water heater further comprises a heating box installed in the casing, one side of the heating box is covered on one side of the heat exchanger opposite to the bellows, and the other side of the heating box is covered on the gas fire row.
Optionally, the gas hot water heater further comprises a water pump, a heat exchanger and an electric three-way valve which are arranged in the shell; the water pump and the electric three-way valve are electrically connected with the main control board; one end of the first pipeline is connected with the water pump, and the other end of the first pipeline is connected with the electric three-way valve; the electric three-way valve is connected with a first channel inlet of the heat exchanger, and a first channel outlet of the heat exchanger is connected with the water pump;
The water pump is connected with a first water inlet of the gas hot water heater, the electric three-way valve is connected with a first water outlet of the gas hot water heater, a second channel inlet of the heat exchanger is connected with a second water inlet of the gas hot water heater, and a second channel outlet of the heat exchanger is connected with a second water outlet of the gas hot water heater; heat exchange can be performed between the first channel and the second channel.
Optionally, the gas hot water heater further comprises a water pressure balance water tank installed in the casing, and the water pressure balance water tank is communicated with the first pipeline.
Optionally, the gas hot water heater further comprises an ignition detection integrated needle arranged in the shell, wherein the ignition detection integrated needle is electrically connected with the main control board and is positioned at the side of the gas fire row; the ignition detection integrated needle is used for igniting the gas fire grate and detecting whether the gas fire grate ignites successfully.
Optionally, the gas hot water heater further comprises a gas pipeline which is arranged in the shell and connected with the gas fire row, and a gas valve is arranged on the gas pipeline.
Optionally, an over Wen Ji electric appliance is arranged in a first pipeline between the heat exchanger and a first water outlet of the gas hot water heater, and the over-temperature relay is electrically connected with the main control board; when the water temperature in the first pipeline exceeds the preset temperature of the overtemperature relay, the main control board controls the gas valve to be disconnected according to the signal of the overtemperature relay.
Optionally, the gas hot water heater further comprises a water flow sensor arranged on the second channel water path of the heat exchanger, and the water flow sensor is electrically connected with the main control board;
When the water flow sensor detects that the second channel is in water flow, the main control board controls the electric three-way valve to be communicated with the first pipeline and the first channel.
Optionally, a water pressure sensor and a water pressure switch are arranged on the pipeline or the first pipeline of the heat exchanger, and the water pressure sensor and the water pressure switch are electrically connected with the main control board; the main control board controls the gas hot water heater to display water pressure according to the detection signal of the water pressure sensor; when the water pressure switch is closed, the main control board can control the starting of the gas water heater; when the water pressure switch is turned off, the gas hot water heater is not started or turned off.
The air speed sensor is arranged at the air inlet of the gas hot water heater, when the air speed entering the shell reaches a preset value, the air inlet in the shell is required, and the gas hot water heater is controlled to be started only when the oxygen is sufficient. When the wind speed detected by the wind speed sensor is lower than a preset value, the condition that the air inlet quantity in the shell cannot meet the requirement, the oxygen is insufficient, insufficient combustion easily occurs to produce carbon monoxide is indicated, the gas hot water heating furnace is controlled not to be started or closed at the moment, potential safety hazards caused by abnormal combustion are avoided, and the gas hot water heater is accurate in combustion monitoring and high in safety.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. It is evident that the figures in the following description are only some embodiments of the utility model, from which other figures can be obtained without inventive effort for a person skilled in the art. In the drawings:
FIG. 1 is a schematic diagram of a gas fired hot water heater according to an embodiment of the present utility model;
FIG. 2 is another schematic view of a gas fired hot water heater according to an embodiment of the present utility model;
FIG. 3 is an internal schematic view of a gas fired hot water heater according to an embodiment of the present utility model;
FIG. 4 is another internal schematic view of a gas fired hot water heater according to an embodiment of the present utility model;
FIG. 5 is another internal schematic view of a gas fired hot water heater according to an embodiment of the present utility model;
Fig. 6 is another internal schematic view of a gas fired hot water heater according to an embodiment of the present utility model.
1, A shell; 101. an air inlet; 2. a blower; 3. a heat exchanger; 4. a fuel gas fire row; 5. a first pipe; 6. a wind speed sensor; 7. a wind box; 8. a heating box; 9. a water pump; 10. a heat exchanger; 11. an electric three-way valve; 12. a first water inlet; 13. a first water outlet; 14. a second water inlet; 15. a second water outlet; 16. a water pressure balancing water tank; 17. an ignition detection integrated needle; 18. a gas pipeline; 19. a gas valve; 20. a water flow sensor; 21. a water pressure sensor; 22. and a gas port.
Detailed Description
It is to be understood that the terminology used herein, the specific structural and functional details disclosed are merely representative for the purpose of describing particular embodiments, but that the utility model may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.
The utility model is described in detail below with reference to the attached drawings and alternative embodiments.
As shown in fig. 1 to 6, as an embodiment of the present utility model, a gas fired hot water heater is disclosed. As shown in fig. 1 to 6, the gas water heater comprises a casing 1, a fan 2, a heat exchanger 3, a gas fire row 4, a first pipeline 5, a main control board and a wind speed sensor 6. The shell 1 is provided with an air inlet 101, a fan 2, a heat exchanger 3, a gas fire row 4, a first pipeline 5, a main control board and an air speed sensor 6 are all arranged in the shell 1, the first pipeline 5 is connected to a water inlet and a water outlet of the heat exchanger 3, the gas fire row 4 is used for heating the heat exchanger 3, and the fan 2 is used for pumping out air in the shell 1; the main control board is electrically connected with the wind speed sensor 6, and the wind speed sensor 6 is positioned at the air inlet 101. The main control board is used for controlling the gas hot water heating stove not to start or to close according to the wind speed signal detected by the wind speed sensor 6 is lower than a preset value, and controlling the gas hot water heating stove to start when the wind speed signal reaches the preset value.
The air speed sensor 6 is arranged at the air inlet 101 of the gas hot water heater, when the air speed entering the shell 1 reaches a preset value, the air inlet quantity in the shell 1 is required, the oxygen is sufficient, and the gas hot water heater is controlled to be started at the moment. When the wind speed detected by the wind speed sensor 6 is lower than a preset value, the condition that the air inlet quantity in the shell 1 cannot meet the requirement, the oxygen is insufficient, insufficient combustion easily occurs and carbon monoxide is generated is easily generated, the gas hot water heating furnace is controlled not to be started or closed at the moment, potential safety hazards caused by abnormal combustion are avoided, and the gas hot water heater is accurate in combustion monitoring and high in safety.
Meanwhile, the gas water heater adopts the wind speed sensor 6, and the wind speed sensor 6 is arranged at the air inlet 101, so that a silicone tube or an aluminum tube is not required to be arranged, condensation water is avoided, and the wind speed sensor 6 is not easy to damage, and is safe and reliable.
Specifically, the air outlet of the fan 2 may be located in the air inlet 101 of the casing 1, that is, the air pumped by the fan 2 is exhausted through the air inlet 101 of the casing 1, so as to simplify the structure. When the gas hot water heater works, the fan 2 is started to pump air in the shell 1 to the outside, and the outside air can enter the shell 1 through the air inlet 101. The gas fire row 4 is connected with gas and then ignites to generate flame, air entering the shell 1 provides oxygen for the flame, the gas fire row 4 heats the heat exchanger 3, water introduced by the first pipeline 5 is heated into hot water through the heat exchanger 3, and warm water or hot water can be provided for a user. Meanwhile, the air in the shell 1 is heated into warm air by the gas fire bars 4 and the heat exchanger 3 and then is discharged by the fan 2, so as to heat the user.
As shown in fig. 3 to 6, the gas hot water heater further comprises a bellows 7 installed in the housing 1, and the fan 2 is installed on the bellows 7 and communicates with the bellows 7; the bellows 7 is provided over the heat exchanger 3. The fan 2 is in butt joint communication with the heat exchanger 3 through the bellows 7, and under the pumping of the fan 2, air in the shell 1 can pass through the heat exchanger 3, so that the heating effect on the air in the shell 1 is improved, and the heating effect of the gas hot water heater is better.
As shown in fig. 3 to 6, the gas hot water heater further includes a heating box 8 installed in the cabinet 1, one side of the heating box 8 is covered on one side of the heat exchanger 3 opposite to the bellows 7, and the other side of the heating box 8 is covered on the gas fire grate 4. This scheme further sets up heating cabinet 8, and heating cabinet 8 one side cover is established on the one side of heat exchanger 3 relative with bellows 7 simultaneously, and the opposite side cover is established on the gas fire row 4, and 4 and heat exchanger 3 butt joint intercommunication are arranged to the gas fire through heating cabinet 8, avoid the heat to scatter and disappear, and the heating effect of gas fire row 4 to heat exchanger 3 is better. And, the setting of bellows 7 and heating cabinet 8 makes the gas fire arrange 4 and forms comparatively sealed passageway on the route to the air outlet of fan 2, and the air that gets into from the air intake 101 of casing 1 flows into in the heating cabinet 8 from the gas fire is arranged 4 bottoms, and the air is heated when providing oxygen for the burning to further heat through heat exchanger 3, finally discharge through the air outlet of fan 2, can further improve the heating effect of air, and the heating effect of gas hot water heater is better.
As shown in fig. 5 and 6, the gas hot water heater further comprises a water pump 9, a heat exchanger 10 and an electric three-way valve 11 which are installed in the casing 1; the water pump 9 and the electric three-way valve 11 are electrically connected with the main control board; one end of the first pipeline 5 is connected with the water pump 9, and the other end of the first pipeline is connected with the electric three-way valve 11; the electric three-way valve 11 is connected with a first channel inlet of the heat exchanger 10, and a first channel outlet of the heat exchanger 10 is connected with the water pump 9. The water pump 9 is connected with a first water inlet 12 of the gas hot water heater, the electric three-way valve 11 is connected with a first water outlet 13 of the gas hot water heater, a second channel inlet of the heat exchanger 10 is connected with a second water inlet 14 of the gas hot water heater, and a second channel outlet of the heat exchanger 10 is connected with a second water outlet 15 of the gas hot water heater; heat exchange can be performed between the first channel and the second channel. The gas hot water heater not only can heat, but also can provide warm water or hot water for users.
Specifically, the water pump 9 pumps water into the first pipe 5 through the first water inlet 12 and flows into the heat exchanger 3 for heating. The heated hot water is discharged through the first pipeline 5, and through controlling the electric three-way valve 11, the hot water can be directly discharged through the first water outlet 13 of the gas hot water heater, can also flow into the first channel of the heat exchanger 10, and flows out of the first channel to the water pump 9 for continuous circulation. At this time, the second channel of the heat exchanger 10 is connected with cold water through the second water inlet 14 of the gas hot water heater, and the cold water exchanges heat with hot water in the first channel to heat up into warm water or hot water and then flows out through the second water outlet 15 of the gas hot water heater, so that warm water or hot water is provided for a user.
As shown in fig. 5, the gas hot water heater further includes a water flow sensor 20 disposed on the second channel water path of the heat exchanger 10, and the water flow sensor 20 is electrically connected with the main control board. When the water flow sensor 20 detects that the second channel is in water flow, the main control board controls the electric three-way valve 11 to be communicated with the first pipeline 5 and the first channel. By detecting the water flow sensor 20, the hot water connected in the first channel can be accurately controlled to exchange heat. The water flow sensor 20 may be disposed in the second channel or may be disposed in a pipeline between the inlet of the second channel and the second water inlet 14 of the gas hot water heater, which are all the waterway ranges of the second channel.
As shown in fig. 5, the gas hot water heater further includes a water pressure balancing tank 16 installed in the cabinet 1, the water pressure balancing tank 16 being in communication with the first pipe 5. The water pressure balancing water tank 16 balances the water pressure of the first pipeline 5, and ensures the stability of the water pressure in the first pipeline 5.
As shown in fig. 5, the gas hot water heater further comprises an ignition detection integrated needle 17 installed in the casing 1, wherein the ignition detection integrated needle 17 is electrically connected with the main control board and is positioned beside the gas fire row 4; the ignition detection integrated needle 17 is used for igniting the gas fire grate 4 and detecting whether the gas fire grate 4 ignites successfully or not. The ignition detection integrated needle 17 can not only ignite the gas fire grate 4, but also detect whether the gas fire grate 4 ignites successfully. When the ignition is performed, the gas hot water heater supplies power to the ignition detection integrated needle 17 to ignite the gas fire row 4, and when the ignition detection integrated needle 17 detects that the gas fire row 4 has flame, the main control board controls the ignition detection integrated needle 17 to stop discharging.
As shown in fig. 5, the gas hot water heater further comprises a gas pipeline 18 which is installed in the casing 1 and connected with the gas fire row 4, a gas valve 19 is arranged on the gas pipeline 18, and the gas valve 19 is connected with a gas port 22 of the gas hot water heater. The gas valve 19 may be a solenoid valve. Further, an over Wen Ji electric appliance is arranged in the first pipeline 5 between the heat exchanger 3 and the first water outlet 13 of the gas hot water heater, and the over-temperature relay is electrically connected with the main control board; when the water temperature in the first pipeline 5 exceeds the preset temperature of the overtemperature relay, the main control board controls the gas valve 19 to be disconnected according to the signal of the overtemperature relay, so that the temperature of hot water is ensured not to be overheated. The overtemperature relay can be a 95 ℃ over Wen Ji electric appliance, namely when the water temperature in the first pipeline 5 exceeds 95 ℃, the overtemperature relay generates a control signal to the main control board, and the main control board controls the gas valve 19 to be disconnected, so that the gas fire bar 4 is extinguished.
A temperature sensor is also provided in the first conduit 5 between the heat exchanger 3 and the first water outlet 13 of the gas hot water heater, which can detect the temperature of the hot water in the first conduit 5.
As shown in fig. 5, a water pressure sensor 21 and a water pressure switch are arranged on the pipeline of the heat exchanger 3 or the first pipeline 5, and the water pressure sensor 21 and the water pressure switch are electrically connected with a main control board; the main control board controls the gas water heater to display the water pressure according to the detection signal of the water pressure sensor 21, so that a user can observe the water pressure of the gas water heater at any time. When the water pressure switch is closed, the main control board can control the starting of the gas water heater; when the water pressure switch is turned off, the gas hot water heater is not started or turned off. Whether the first pipeline 5 is normally connected with water can be judged through the water pressure switch, the gas hot water heater can be started when the first pipeline 5 is provided with water, and the gas hot water heater is not started or closed otherwise.
The above description of the utility model in connection with specific alternative embodiments is further detailed and it is not intended that the utility model be limited to the specific embodiments disclosed. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.
Claims (10)
1. The gas hot water heater is characterized by comprising a shell, a fan, a heat exchanger, a gas fire row, a first pipeline, a main control board and an air speed sensor;
The air inlet is formed in the shell, the fan, the heat exchanger, the gas fire row, the first pipeline, the main control board and the air speed sensor are all arranged in the shell, the first pipeline is connected to the water inlet and the water outlet of the heat exchanger, the gas fire row is used for heating the heat exchanger, and the fan is used for pumping out air in the shell; the main control board is electrically connected with the wind speed sensor, and the wind speed sensor is positioned at the air inlet;
The main control board is used for controlling the gas hot water heating furnace to be not started or closed when the wind speed signal detected by the wind speed sensor is lower than a preset value, and controlling the gas hot water heating furnace to be started when the wind speed signal reaches the preset value.
2. The gas fired hot water heater of claim 1, further comprising a bellows mounted within the housing, the blower being mounted on and in communication with the bellows; the bellows is covered on the heat exchanger.
3. The gas fired hot water heater of claim 2, further comprising a heater box mounted within the housing, one side of the heater box being covered on a side of the heat exchanger opposite the bellows, the other side of the heater box being covered on the gas fired grate.
4. A gas fired hot water heater as claimed in any of claims 1 to 3, further comprising a water pump, a heat exchanger and an electric three-way valve mounted within the housing; the water pump and the electric three-way valve are electrically connected with the main control board; one end of the first pipeline is connected with the water pump, and the other end of the first pipeline is connected with the electric three-way valve; the electric three-way valve is connected with a first channel inlet of the heat exchanger, and a first channel outlet of the heat exchanger is connected with the water pump;
The water pump is connected with a first water inlet of the gas hot water heater, the electric three-way valve is connected with a first water outlet of the gas hot water heater, a second channel inlet of the heat exchanger is connected with a second water inlet of the gas hot water heater, and a second channel outlet of the heat exchanger is connected with a second water outlet of the gas hot water heater; heat exchange can be performed between the first channel and the second channel.
5. A gas fired hot water heater as claimed in any of claims 1 to 3, further comprising a water pressure balancing tank mounted within the housing, the water pressure balancing tank being in communication with the first conduit.
6. A gas fired hot water heater as claimed in any one of claims 1 to 3, further comprising an ignition detection integrated needle mounted within the housing, the ignition detection integrated needle being electrically connected to the main control board and located sideways of the gas fired fire row; the ignition detection integrated needle is used for igniting the gas fire grate and detecting whether the gas fire grate is successfully ignited.
7. A gas fired hot water heater as claimed in any of claims 1 to 3, further comprising a gas conduit mounted within the housing for connection to the gas fire grate, the gas conduit having a gas valve disposed thereon.
8. The gas hot water heater according to claim 7, wherein an ultra Wen Ji electric relay is arranged in the first pipeline between the heat exchanger and the first water outlet of the gas hot water heater, and the ultra-temperature relay is electrically connected with the main control board; when the water temperature in the first pipeline exceeds the preset temperature of the overtemperature relay, the main control board controls the gas valve to be disconnected according to the signal of the overtemperature relay.
9. The gas fired hot water heater of claim 4, further comprising a water flow sensor disposed on the second channel water path of the heat exchanger, the water flow sensor being electrically connected to the main control board;
When the water flow sensor detects that the second channel is in water flow, the main control board controls the electric three-way valve to be communicated with the first pipeline and the first channel.
10. A gas fired hot water heater as claimed in any one of claims 1 to 3, wherein a water pressure sensor and a water pressure switch are provided on the pipe of the heat exchanger or on the first pipe, the water pressure sensor and the water pressure switch being electrically connected to the main control panel; the main control board controls the gas water heater to display water pressure according to the detection signal of the water pressure sensor; when the water pressure switch is closed, the main control board can control the starting of the gas water heater; when the water pressure switch is turned off, the gas hot water heater is not started or turned off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322106867.2U CN221076791U (en) | 2023-08-04 | 2023-08-04 | Gas hot water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322106867.2U CN221076791U (en) | 2023-08-04 | 2023-08-04 | Gas hot water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221076791U true CN221076791U (en) | 2024-06-04 |
Family
ID=91254463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322106867.2U Active CN221076791U (en) | 2023-08-04 | 2023-08-04 | Gas hot water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221076791U (en) |
-
2023
- 2023-08-04 CN CN202322106867.2U patent/CN221076791U/en active Active
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