A portable water heater

Abstract

The application discloses a portable water heater, which comprises a casing, a combustion assembly, a heat exchanger, a smoke exhaust cover and a controller arranged in the casing, and a water flow pipeline arranged on the heat exchanger; the combustion assembly comprises a burner, a gas distribution rod connected to one end of the burner and a sectional electromagnetic valve arranged on the gas distribution rod; the sectional electromagnetic valve is connected to the controller and used for controlling the combustion number of the burner; the gas distribution rod is communicated with an air inlet pipeline; a gas regulating valve is arranged on the air inlet pipeline; the gas regulating valve is connected with a gas regulating knob; the gas regulating knob is arranged on the outer surface of the casing and is used for rotating under the action of external force to adjust the air inlet flow of the gas regulating valve. The portable water heater can better control the temperature rise and avoid the excessively high water outlet temperature.

Description

Technical Field

[0001] This utility model relates to the field of water heater technology, and more specifically to a portable water heater. Background Technology

[0002] Enjoying a hot shower while camping or traveling outdoors is often considered a luxury. However, with technological advancements, portable water heaters offer a cost-effective option, enhancing the camping experience. Currently, most portable water heaters on the market lack segmented combustion functionality; their internal burners can only be turned on or off simultaneously, making it difficult to control the combustion temperature. Especially when the water flow is low or the inlet water temperature is high in summer, the water temperature can easily become too high, posing a risk of scalding and affecting the comfort of showering. Utility Model Content

[0003] In order to overcome the above-mentioned shortcomings of the prior art, this utility model provides a portable water heater that can better control the temperature rise through segmented control and avoid excessively high outlet water temperature.

[0004] The technical solution adopted by this utility model to solve its technical problem is: a portable water heater, including a casing, a combustion component, a heat exchanger, a smoke hood and a controller are provided inside the casing, and a water flow pipe is provided on the heat exchanger.

[0005] The combustion assembly includes a burner, a gas distribution rod connected to one end of the burner, and a segmented solenoid valve on the gas distribution rod. The segmented solenoid valve is connected to a controller to control the number of combustion rows of the burner. The gas distribution rod is connected to the intake pipe, and a gas regulating valve is provided on the intake pipe. The gas regulating valve is connected to a gas regulating knob, which is located on the outer surface of the housing and is used to rotate under external force to adjust the intake flow rate of the gas regulating valve.

[0006] In a preferred embodiment, a heat exchanger is connected above the combustion assembly, and a smoke hood is connected above the heat exchanger. The smoke hood has two smoke vents, which protrude from both sides of the upper part of the casing.

[0007] In a preferred embodiment, the outer surface of the casing is provided with a cold water inlet and a hot water outlet, which are respectively connected to the two ends of the water flow pipeline; a water flow sensor is provided on the water inlet pipe of the water flow pipeline, and the water flow sensor is electrically connected to the controller.

[0008] In a preferred embodiment, the inlet and outlet ends of the water flow pipeline are respectively equipped with an inlet water temperature sensor and an outlet water temperature sensor, both of which are electrically connected to the controller.

[0009] In a preferred embodiment, the outer surface of the housing is provided with a touch screen, a power input port and a power switch button. The touch screen is electrically connected to the controller, and the controller is electrically connected to the power input port through the power switch button.

[0010] In a preferred embodiment, a battery is also provided inside the housing. The battery is electrically connected to the controller, the burner, and the segmented solenoid valve, and is electrically connected to the power input port via a power switch button.

[0011] In a preferred embodiment, the outer surface of the housing is further provided with a water pump power interface and a solenoid valve control button. Both the water pump power interface and the solenoid valve control button are electrically connected to the controller. The water pump power interface is used to connect to the water pump and supply power to the water pump, and the solenoid valve control button is used to control the operation of the segmented solenoid valve.

[0012] In a preferred embodiment, the top of the housing is provided with a handle.

[0013] Furthermore, a handle is provided at each of the front and rear ends or the left and right ends of the top cover of the casing.

[0014] In a preferred embodiment, the bottom of the housing is provided with support feet, and ventilation openings are provided on the bottom plate and side plates of the housing.

[0015] As can be seen from the above technical solution, compared with the prior art, the beneficial effects of this utility model are: a portable water heater can control the segmented solenoid valve through the controller to realize the control of the number of combustion rows of the burner, thereby better controlling the temperature rise and avoiding excessively high outlet water temperature; at the same time, the gas regulating valve is manually controlled by the gas regulating knob, which is simple in structure and convenient to control.

[0016] In addition, other advantages of this invention will be set forth in the description which follows, in part will be obvious from the description, or may be learned by practice of this invention. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the internal structure of the portable water heater of this utility model;

[0019] Figure 2 This is a schematic diagram of the combustion assembly of this utility model;

[0020] Figure 3 This is a schematic diagram of the front structure of the portable water heater of this utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of the portable water heater of this utility model on the other side;

[0022] Figure 5 This is a schematic diagram of the back structure of the portable water heater of this utility model;

[0023] Figure 6 This is a schematic diagram of the bottom structure of the portable water heater of this utility model;

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Combustion assembly; 11. Burner; 12. Gas distributor; 13. Segmented solenoid valve; 14. Gas regulating valve; 15. Gas regulating knob; 16. Gas inlet; 2. Heat exchanger; 3. Fume hood; 30. Fume outlet; 4. Controller; 5. Water flow pipeline; 51. Cold water inlet; 52. Hot water outlet; 53. Water flow sensor; 54. Water pump power interface; 55. Solenoid valve control button; 6. Touch screen; 61. Power input port; 62. Power switch button; 7. Battery; 8. Handle; 9. Ventilation vent. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] In the description of this utility model, it should be understood that the terms "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. Furthermore, in the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0028] Reference Figure 1-6 This invention describes a portable water heater according to an embodiment of the present invention.

[0029] In one embodiment, such as Figure 1-6 As shown, a portable water heater includes a casing, inside which are a combustion assembly 1, a heat exchanger 2, a fume hood 3, and a controller 4. The heat exchanger 2 is provided with a water flow pipe 5.

[0030] Combustion assembly 1 includes a burner 11, a gas distribution rod 12 connected to one end of the burner 11, and a segmented solenoid valve 13 provided on the gas distribution rod 12. The segmented solenoid valve 13 is connected to a controller 4 and is used to control the number of combustion rows of the burner 11. The gas distribution rod 12 is connected to an intake pipe, and a gas regulating valve 14 is provided on the intake pipe. The gas regulating valve 14 is connected to a gas regulating knob 15. The gas regulating knob 15 is located on the outer surface of the housing and is used to rotate under the action of external force so that the gas regulating valve 14 can regulate the intake flow.

[0031] The back of the casing has a gas inlet 16, which is connected to the gas distribution rod 12 through an intake pipe. The burner 11 may include multiple combustion burners arranged side by side, which are interconnected through the gas distribution rod 12. A segmented solenoid valve 13 is located on the gas distribution rod 12. The controller 4 is connected to a touch screen 6 located on the outer surface of the casing, receives control commands from the user, and controls the operation of the segmented solenoid valve 13 according to the control commands. The segmented solenoid valve 13 may be a pulse self-priming valve.

[0032] In specific implementation, taking a burner 11 with 4 combustion bars as an example, the gas enters the gas distribution bar 12 through the gas inlet pipe and is ignited at the burner nozzle. At this time, the user can issue control commands to the controller 4 through the operation buttons on the control panel. The controller 4 can control the number of combustion bars of the burner 11 by controlling the segmented solenoid valve 13. For example, the burner 11 can have two working modes: 2 combustion bars or 4 combustion bars, thereby adjusting the outlet water temperature, reducing the minimum temperature rise, and preventing overheating.

[0033] The portable water heater provided in the above embodiment can control the number of combustion rows of the burner 11 through the segmented solenoid valve 13, thereby better controlling the temperature rise and avoiding excessively high outlet water temperature; at the same time, the gas regulating valve is manually controlled by the gas regulating knob, which is simple in structure and convenient to control.

[0034] In this embodiment, a heat exchanger 2 is connected above the combustion assembly 1, and a smoke hood 3 is connected above the heat exchanger 2. The smoke hood 3 is provided with two smoke vents 30, which protrude from both sides of the upper part of the casing.

[0035] Specifically, after the gas is burned inside the burner 11, the resulting flue gas enters the exhaust hood 3 through the heat exchanger 2 and is finally discharged from the exhaust ports 30 on both sides.

[0036] In this embodiment, the outer surface of the casing is provided with a cold water inlet 51 and a hot water outlet 52, which are respectively connected to the two ends of the water flow pipe 5; a water flow sensor 53 is provided on the water inlet pipe of the water flow pipe 5, and the water flow sensor 53 is electrically connected to the controller 4.

[0037] In practice, water flows into the water pipe 5 through the cold water inlet 51. After the water flow sensor 53 detects the water inlet, it sends a signal to the controller 4. The controller 4 controls the burner 11 to start working. After the water flows through the heat exchanger 2 and gains heat, it flows out from the hot water outlet 52.

[0038] In this embodiment, the inlet and outlet ends of the water flow pipeline 5 are respectively equipped with an inlet water temperature sensor and an outlet water temperature sensor, and both the inlet water temperature sensor and the outlet water temperature sensor are electrically connected to the controller 4.

[0039] In this embodiment, the outer surface of the casing is provided with a touch screen 6, a power input port 61 and a power switch button 62. The touch screen 6 is electrically connected to the controller 4, and the controller 4 is electrically connected to the power input port 61 through the power switch button 62.

[0040] Users can control the water heater via the touchscreen 6, which can also display the inlet and outlet water temperatures. After the power input port 61 is connected to an external power source, pressing the power switch button 62 connects it electrically to the controller 4. In specific implementations, the power input port 61 can be a 12V power input port, used to power the controller 4, the igniter of the burner 11, the segmented solenoid valve 13, and other components.

[0041] In this embodiment, a battery 7 is also provided inside the housing. The battery 7 is electrically connected to the controller 4, the burner 11 and the segmented solenoid valve 13 respectively, and is electrically connected to the power input port 61 through the power switch button 62.

[0042] The battery 7 can be a rechargeable battery; in specific implementations, the battery 7 can be charged by connecting to an external power source through the power input port 61.

[0043] In this embodiment, the outer surface of the housing is also provided with a water pump power interface 54 and a solenoid valve control button 55. Both the water pump power interface 54 and the solenoid valve control button 55 are electrically connected to the controller 4. The water pump power interface 54 is used to connect to the water pump and supply power to the water pump. The solenoid valve control button 55 is used to control the operation of the segmented solenoid valve 13. The number of combustion rows of the burner 11 can be manually adjusted, for example, switching between two combustion rows and four combustion rows.

[0044] The portable water heater uses an external water pump to draw water from an external water source, such as a bucket, to the cold water inlet 51. The portable water heater can supply power to the external water pump via a water pump power interface 54, making it more convenient to use.

[0045] In this embodiment, a handle 8 is provided on the top of the casing to facilitate movement and carrying, thereby improving portability.

[0046] In this embodiment, a handle 8 is provided at the front and rear ends or left and right ends of the top cover of the casing. Since the water heater is generally heavy, this embodiment provides two handles 8 to distribute the force evenly, making the water heater easier to lift.

[0047] In this embodiment, the bottom of the housing is provided with support feet, and ventilation openings 9 are provided on the bottom plate and side plates of the housing to draw in air through natural convection or with the assistance of a fan.

[0048] Other components and operations of the portable water heater according to the embodiments of this utility model are known to those skilled in the art and will not be described in detail here.

[0049] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0050] In the description of this specification, references to the terms "embodiment," "specific embodiment," "example," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example that is included in at least one embodiment or example of the present invention.

[0051] In this specification, the illustrative expressions of the terms used do not necessarily refer to the same embodiments or examples. Moreover, the specific features, structures, materials, or characteristics described may be combined with each other in any suitable manner in one or more embodiments or examples without interference or contradiction.

Claims

1. A portable water heater, comprising a casing, wherein a combustion assembly (1), a heat exchanger (2), a fume hood (3), and a controller (4) are disposed within the casing, and a water flow pipe (5) is provided on the heat exchanger (2), characterized in that: The combustion assembly (1) includes a burner (11), a gas distribution rod (12) connected to one end of the burner (11), and a segmented solenoid valve (13) provided on the gas distribution rod (12). The segmented solenoid valve (13) is connected to the controller (4) and is used to control the number of combustion rows of the burner (11). The gas distribution rod (12) is connected to the air intake pipe. A gas regulating valve (14) is provided on the air intake pipe. The gas regulating valve (14) is connected to a gas regulating knob (15). The gas regulating knob (15) is located on the outer surface of the housing and is used to rotate under the action of external force so that the gas regulating valve (14) regulates the air intake flow.

2. The portable water heater according to claim 1, characterized in that: The combustion assembly (1) is connected to the heat exchanger (2) above, and the heat exchanger (2) is connected to the exhaust hood (3) above. The exhaust hood (3) is provided with two exhaust ports (30), which protrude from both sides of the upper part of the casing.

3. The portable water heater according to claim 1, characterized in that: The outer surface of the casing is provided with a cold water inlet (51) and a hot water outlet (52), and the cold water inlet (51) and the hot water outlet (52) are respectively connected to the two ends of the water flow pipeline (5); a water flow sensor (53) is provided on the water inlet pipe of the water flow pipeline (5), and the water flow sensor (53) is electrically connected to the controller (4).

4. The portable water heater according to claim 1, characterized in that: The water inlet and outlet of the water pipe (5) are respectively equipped with an inlet water temperature sensor and an outlet water temperature sensor, and both the inlet water temperature sensor and the outlet water temperature sensor are electrically connected to the controller (4).

5. The portable water heater according to any one of claims 1 to 4, characterized in that: The outer surface of the casing is provided with a touch screen (6), a power input port (61) and a power switch button (62). The touch screen (6) is electrically connected to the controller (4), and the controller (4) is electrically connected to the power input port (61) through the power switch button (62).

6. The portable water heater according to claim 5, characterized in that: The casing is also equipped with a battery (7), which is electrically connected to the controller (4), the burner (11) and the segmented solenoid valve (13), and is electrically connected to the power input port (61) through the power switch button (62).

7. The portable water heater according to claim 6, characterized in that: The outer surface of the housing is also provided with a water pump power interface (54) and a solenoid valve control button (55). The water pump power interface (54) and the solenoid valve control button (55) are both electrically connected to the controller (4). The water pump power interface (54) is used to connect the water pump and supply power to the water pump. The solenoid valve control button (55) is used to control the operation of the segmented solenoid valve (13).

8. The portable water heater according to claim 1, characterized in that: The top of the housing is provided with a handle (8).

9. The portable water heater according to claim 8, characterized in that: The top cover of the housing is provided with a handle (8) at the front and rear ends or the left and right ends respectively.

10. The portable water heater according to claim 1, characterized in that: The bottom of the housing is provided with support feet, and ventilation openings (9) are provided on the bottom plate and the two side plates of the housing.

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