A portable gas water heater with segmented combustion

Abstract

This utility model provides a segmented combustion portable gas water heater, comprising: a first casing; a burner; a gas pipeline structure, the gas pipeline structure including a gas pipe and a segmented valve, the segmented valve including a valve body and at least one first valve core, the valve body having at least two valve chambers sequentially arranged, the first valve core being movably disposed between two adjacent valve chambers, the gas pipe having a first gas outlet connected to the first valve chamber of the segmented valve, each valve chamber corresponding to a gas nozzle unit; and a water pipeline structure. This utility model, with its segmented valve, allows the first valve core to close the channel between two adjacent valve chambers during relatively hot weather, enabling at least one gas nozzle unit to operate and providing relatively cooler hot water; conversely, during relatively cold weather, the first valve core can open the channel between two adjacent valve chambers, enabling at least two gas nozzle units to provide relatively warmer hot water.

Description

Technical Field

[0001] This utility model belongs to the technical field of gas water heaters, specifically relating to a portable gas water heater. Background Technology

[0002] A gas water heater, also known as a gas water boiler, is a gas appliance that uses gas as fuel and heats water by transferring heat to cold water flowing through a heat exchanger.

[0003] Gas water heaters are divided into types such as household gas water heaters and portable gas water heaters. Household gas water heaters are generally used in homes, are relatively large, and cannot be moved after installation. Portable gas water heaters are smaller and can be carried or pushed and pulled. They are often used in some special application scenarios, such as when outdoors, users can take a shower with a portable gas water heater.

[0004] Portable gas water heaters in the relevant technology do not have a segmented or zoned combustion structure. Regardless of whether the weather is relatively cold or relatively hot, all of their gas nozzles are engaged in combustion. For example, when used in summer, portable gas water heaters in the relevant technology cannot produce hot water at a relatively low temperature, which not only affects the user's comfort but also results in high energy consumption. Utility Model Content

[0005] The purpose of this invention is to disclose a segmented combustion portable gas water heater. This invention is equipped with segmented valves. In relatively hot weather, the first valve core can close the channel between two adjacent valve chambers by movement, and at least one gas nozzle unit can work to obtain hot water at a relatively low temperature. In relatively cold weather, the first valve core can open the channel between two adjacent valve chambers by movement, and at least two gas nozzle units can obtain hot water at a relatively high temperature. The user experience is better, and energy consumption can be reduced.

[0006] To achieve the above objectives, this utility model discloses a segmented combustion portable gas water heater, comprising:

[0007] First casing;

[0008] The burner is located inside the first housing and includes at least two gas nozzle units.

[0009] The gas pipeline structure includes a gas pipe and a segmented valve. The segmented valve includes a valve body and at least one first valve core. At least two valve chambers are sequentially arranged on the valve body. A first valve core is movably arranged between two adjacent valve chambers. The first valve core opens and closes the channel between the two adjacent valve chambers by moving.

[0010] The gas pipe has a first gas outlet, which is connected to the first valve chamber in the segmented valve. Each valve chamber is connected to a gas nozzle unit.

[0011] The water pipeline structure includes water pipes, which exchange heat with the burner.

[0012] As an optional implementation, the segmented valve also includes a second valve core, a coil, and an elastic element, with the elastic element sleeved outside the first valve core and the coil sleeved outside the second valve core.

[0013] The first valve core is a moving iron core, and the second valve core is a fixed iron core;

[0014] When the coil is de-energized, the first valve core closes the passage between two adjacent valve chambers;

[0015] When the coil is energized, the first valve core opens the channel between two adjacent valve chambers.

[0016] As an optional implementation, the gas nozzle unit includes at least one gas burner, one end of which is provided with a plurality of flame holes, and the other end of which is provided with an ejector port. The valve chamber is provided with at least one second gas outlet, and the second gas outlet and the ejector port are connected in a one-to-one correspondence.

[0017] As an optional implementation, the valve body is provided with a second air inlet, and the first air outlet is connected to the valve chamber located at the first position in the segmented valve through the second air inlet.

[0018] As an optional implementation, the gas pipe has a first air inlet, and a connector is provided at the first air inlet position of the gas pipe, through which the gas pipe is connected to an external gas storage structure.

[0019] As an optional implementation, the burner includes a second housing and a flue gas hood. The second housing is connected to the flue gas hood, which is located at the outlet end of the burner. The flue gas hood has an exhaust port located on the side of the burner.

[0020] The first vent is provided on the side of the first housing, and the first vent is connected to the exhaust port.

[0021] As an optional implementation, the segmented combustion portable gas water heater includes a blower with an air inlet and an air outlet, the air outlet being connected to the air inlet of the burner.

[0022] The bottom of the first casing is provided with a second vent, which is connected to the air inlet.

[0023] As an optional implementation, the water pipeline structure also includes a first proportional valve and a temperature sensor, which are located near the water inlet end of the water pipe.

[0024] As an optional implementation, the gas pipeline structure also includes a second proportional valve, which is located near the gas inlet end of the gas pipeline.

[0025] As an alternative implementation, a handle is provided on the top of the first housing.

[0026] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0027] This invention features a segmented valve. In relatively hot weather, the first valve core can close the channel between two adjacent valve chambers, allowing at least one gas nozzle unit to operate and obtain hot water at a relatively lower temperature. In relatively cold weather, the first valve core can open the channel between two adjacent valve chambers, allowing at least two gas nozzle units to obtain hot water at a relatively higher temperature. This design improves user comfort and reduces energy consumption. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 This is a schematic diagram of the external structure of an embodiment of the present utility model.

[0030] Figure 2 This is a schematic diagram of the internal structure from a first-view perspective of an embodiment of the present invention.

[0031] Figure 3 This is a schematic diagram of the internal structure from a second perspective of an embodiment of this utility model.

[0032] Figure 4 This is a partial structural schematic diagram of the burner according to an embodiment of the present invention.

[0033] Figure 5 This is a first-view structural schematic diagram of the segmented valve according to an embodiment of the present invention.

[0034] Figure 6 This is a second-view structural schematic diagram of the segmented valve according to an embodiment of the present invention.

[0035] Figure 7 This is an embodiment of the present utility model. Figure 6A cross-sectional view along the AA direction, showing the coil de-energized at this point.

[0036] Figure 8 This is an embodiment of the present utility model. Figure 6 A cross-sectional view along the BB direction, showing the coil de-energized at this point.

[0037] Figure 9 This is an embodiment of the present utility model. Figure 7 A schematic diagram of the internal structure of the coil when it is energized.

[0038] Figure 10 This is an embodiment of the present utility model. Figure 8 Internal structure diagram of the coil when it is energized

[0039] Figure 11 This is a schematic diagram of the usage state structure of an embodiment of this utility model.

[0040] Explanation of key figure labels:

[0041] 10. First casing; 101. First vent; 102. Second vent; 20. Burner; 201. Gas nozzle unit; 2011. Gas burner; 20111. Flame hole; 20112. Injector; 202. Second casing; 203. Smoke and exhaust hood; 2031. Exhaust port; 30. Gas pipeline structure; 301. Gas pipe; 3011. First outlet; 3012. First inlet; 3013. Connector; 302. Sectional valve; 3021 1. Valve body; 3022. First valve core; 3023. Valve chamber; 3024. Channel; 3025. Second valve core; 3026. Coil; 3027. Elastic element; 3028. Second air outlet; 3029. Second air inlet; 303. Second proportional valve; 40. Water pipe structure; 401. Water pipe; 402. First proportional valve; 403. Temperature sensor; 50. Gas storage structure; 60. Blower; 601. Air inlet; 602. Air outlet; 70. Handle. Detailed Implementation

[0042] 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.

[0043] In this invention, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this invention and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0044] Furthermore, in addition to indicating direction or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this utility model according to the specific circumstances.

[0045] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; 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, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this utility model based on the specific circumstances.

[0046] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, components, or parts (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, components, or parts. Unless otherwise stated, "a plurality of" means two or more.

[0047] The technical solution of this utility model will be further described below with reference to the embodiments and accompanying drawings.

[0048] Please see Figures 1 to 11As shown, this utility model provides a segmented combustion portable gas water heater, including: a first housing 10; a burner 20 disposed inside the first housing 10, the burner 20 including at least two gas nozzle units 201; a gas pipeline structure 30, the gas pipeline structure 30 including a gas pipe 301 and a segmented valve 302, the segmented valve 302 including a valve body 3021 and at least one first valve core 3022, the valve body 3021 having at least two valve chambers 3023 sequentially arranged on it, two adjacent valves... A first valve core 3022 is movably disposed between the chambers 3023. The first valve core 3022 opens and closes the channel 3024 between two adjacent valve chambers 3023 by moving. The gas pipe 301 has a first gas outlet 3011, which is connected to the first valve chamber 3023 in the segmented valve 302. Each valve chamber 3023 is connected to a gas nozzle unit 201. The water pipe structure 40 includes a water pipe 401, which exchanges heat with the burner 20.

[0049] This utility model is equipped with a segmented valve 302. In relatively hot weather, the first valve core 3022 can close the channel 3024 between two adjacent valve chambers 3023 by moving, and at least one gas nozzle unit 201 can work to obtain hot water at a relatively low temperature. In relatively cold weather, the first valve core 3022 can open the channel 3024 between two adjacent valve chambers 3023 by moving, and at least two gas nozzle units 201 can obtain hot water at a relatively high temperature. The user experience is better and energy consumption is reduced.

[0050] For example, see Figures 4 to 10 The burner 20 includes two gas nozzle units 201; the segmented valve 302 includes a valve body 3021 and a first valve core 3022. Two valve chambers 3023 are sequentially arranged on the valve body 3021. The first valve core 3022 is movably arranged between the two adjacent valve chambers 3023. The first valve core 3022 opens and closes the channel 3024 between the two adjacent valve chambers 3023 by moving.

[0051] When the passage 3024 between two adjacent valve chambers 3023 is opened, gas enters the first valve chamber 3023 through the gas pipe 301, and gas enters the second valve chamber 3023 through the passage 3024 between the two adjacent valve chambers 3023. Thus, gas is supplied to both valve chambers 3023, and gas is supplied to both gas nozzle units 201 corresponding to the two valve chambers 3023. Both gas nozzle units 201 corresponding to the two valve chambers 3023 can then burn.

[0052] When the passage 3024 between two adjacent valve chambers 3023 is closed, gas enters the first valve chamber 3023 through the gas pipe 301, and gas cannot enter the second valve chamber 3023. Thus, gas is supplied to the gas nozzle unit 201 corresponding to the first valve chamber 3023, and the gas nozzle unit 201 corresponding to the first valve chamber 3023 can burn, while the gas nozzle unit 201 corresponding to the valve chamber 3023 that is not supplied with gas cannot burn.

[0053] Based on the above structure, this segmented combustion portable gas water heater can achieve segmented combustion.

[0054] In this embodiment of the utility model, the segmented valve 302 further includes a second valve core 3025, a coil 3026, and an elastic element 3027. The elastic element 3027 is sleeved outside the first valve core 3022, and the coil 3026 is sleeved outside the second valve core 3025. The first valve core 3022 is a moving iron core, and the second valve core 3025 is a fixed iron core. When the coil 3026 is de-energized, the first valve core 3022 closes the channel 3024 between two adjacent valve chambers 3023. When the coil 3026 is energized, the first valve core 3022 opens the channel 3024 between two adjacent valve chambers 3023.

[0055] It should be noted that both the first valve core 3022 and the second valve core 3025 are made of metal iron. The first valve core 3022 is movably connected to the valve body 3021, and the second valve core 3025 is fixedly connected to the valve body 3021; ​​the elastic element 3027 is a spring.

[0056] See Figures 7 to 8 When the coil 3026 is de-energized, the elastic force of the elastic element 3027 drives the first valve core 3022 away from the second valve core 3025, thereby closing the channel 3024 between the two adjacent valve chambers 3023.

[0057] See Figures 9 to 10 When the coil 3026 is energized, the second valve core 3025 is magnetized. The magnetic force of the second valve core 3025 overcomes the elastic force of the elastic element 3027, thereby causing the first valve core 3022 to approach the second valve core 3025, and then the first valve core 3022 opens the channel 3024 between the two adjacent valve chambers 3023.

[0058] In this embodiment of the utility model, the gas nozzle unit 201 includes at least one gas burner 2011. One end of the gas burner 2011 is provided with a plurality of flame holes 20111, and the other end of the gas burner 2011 is provided with an ejector port 20112. The valve chamber 3023 is provided with at least one second gas outlet 3028, and the second gas outlet 3028 is connected to the ejector port 20112 in a one-to-one correspondence.

[0059] For example, see Figure 4 , Figure 4 The valve chamber 3023 is provided with two gas nozzle units 201, each gas nozzle unit 201 includes three gas burners 2011, and each valve chamber 3023 is provided with three second gas outlets 3028.

[0060] Continue reading Figures 7 to 8 When gas is introduced into the first valve chamber 3023, the gas enters the injector 20112 of the corresponding gas burner 2011 through the three second gas outlets 3028 on the first valve chamber 3023, and finally burns at the burner hole 20111 of the corresponding gas burner 20111.

[0061] In this embodiment of the present invention, a second air inlet 3029 is provided on the valve body 3021, and the first air outlet 3011 is connected to the valve chamber 3023 located at the first position in the segmented valve 302 through the second air inlet 3029.

[0062] In this embodiment of the utility model, the gas pipe 301 has a first air inlet 3012, and a connector 3013 is provided at the first air inlet 3012 of the gas pipe 301. The gas pipe 301 is connected to the gas storage structure 50 through the connector 3013.

[0063] For example, see Figure 11 The gas storage structure 50 can be a gas cylinder, and the gas pipe 301 is connected to the gas storage structure 50 through the connector 3013. The connector 3013 can be a threaded connector or a snap-fit ​​connector, so that the gas pipe 301 can be detachably connected to the gas storage structure 50 through the connector 3013, which facilitates the use of the segmented combustion portable gas water heater.

[0064] In this embodiment of the present invention, the burner 20 includes a second housing 202 and a smoke collection and exhaust hood 203. The second housing 202 is connected to the smoke collection and exhaust hood 203. The smoke collection and exhaust hood 203 is disposed at the exhaust end of the burner 20 and has an exhaust port 2031. The exhaust port 2031 is disposed on the side of the burner 20. The side of the first housing 10 is provided with a first ventilation port 101, which is connected to the exhaust port 2031.

[0065] For example, see Figure 2 as well as Figure 3Since the smoke collection and exhaust hood 203 is provided with only one exhaust port 2031, and the exhaust port 2031 is located on the side of the burner 20, the flue gas generated by the burner 20 will not be directly discharged through the exhaust port 2031, but will be collected in the smoke collection and exhaust hood 203. Thus, the smoke collection and exhaust hood 203 can effectively collect the flue gas generated after combustion, and after being fully mixed, the flue gas changes from the axial direction of the burner 20 to the radial direction of the burner 20 before being discharged through the exhaust port 2031, which can effectively reduce the concentration of carbon monoxide and nitrogen oxides in the emitted flue gas.

[0066] In this embodiment of the utility model, the segmented combustion portable gas water heater includes a blower 60, which has an air inlet 601 and an air outlet 602. The air outlet 602 is connected to the air inlet end of the burner 20. A second ventilation port 102 is provided at the bottom of the first housing 10, and the second ventilation port 102 is connected to the air inlet 601.

[0067] For example, see Figure 2 as well as Figure 3 The blower 60 is a centrifugal blower 60. The blower 60 introduces external air into the interior of the burner 20 through the second vent 102, the air inlet 601, and the air outlet 602, providing sufficient air for the combustion of the burner 20, thereby reducing the emission of carbon monoxide in the flue gas.

[0068] In this embodiment of the utility model, the water pipeline structure 40 also includes a first proportional valve 402 and a temperature sensor 403, which are disposed near the water inlet end of the water pipe 401.

[0069] It should be noted that the first proportional valve 402 can be an existing proportional valve. The temperature sensor 403 detects the inlet water temperature of the water pipe 401. When the inlet water temperature of the water pipe 401 is low, the inlet water flow can be reduced through the first proportional valve 402, thereby achieving the effect of increasing the outlet water temperature.

[0070] In this embodiment of the utility model, the gas pipeline structure 30 further includes a second proportional valve 303, which is disposed near the gas inlet end of the gas pipeline 301.

[0071] It should be noted that the second proportional valve 303 can be an existing proportional valve. When the temperature sensor 403 detects that the inlet water temperature of the water pipe 401 is low, the gas flow can be increased through the second proportional valve 303, thereby achieving the effect of increasing the outlet water temperature.

[0072] It should be noted that existing technologies can be directly adopted for how to use temperature sensor 403 to detect water temperature, how the first proportional valve 402 adjusts the inlet water flow based on temperature sensor 403, and how the second proportional valve 303 adjusts the gas flow based on temperature sensor 403, and will not be elaborated here.

[0073] In this embodiment of the utility model, a handle 70 is provided on the top of the first housing 10.

[0074] See Figure 1 as well as Figure 11 Users can use the handle 70 to move the segmented combustion portable gas water heater for easy use.

[0075] The technical means disclosed in this utility model are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.

Claims

1. A portable gas water heater of the segmented combustion type, characterized in that, include: First casing; A burner, disposed inside the first housing, the burner comprising at least two gas nozzle units; A gas pipeline structure, the gas pipeline structure includes a gas pipe and a segmented valve, the segmented valve includes a valve body and at least one first valve core, at least two valve chambers are sequentially arranged on the valve body, and the first valve core is movably arranged between two adjacent valve chambers, the first valve core opens and closes the channel between the two adjacent valve chambers by moving. The gas pipe has a first gas outlet, which is connected to the first valve chamber in the segmented valve, and each valve chamber is connected to a corresponding gas nozzle unit. A water pipe structure, comprising water pipes, wherein the water pipes exchange heat with the burner.

2. The segmented combustion portable gas water heater according to claim 1, characterized in that: The segmented valve also includes a second valve core, a coil, and an elastic element. The elastic element is sleeved outside the first valve core, and the coil is sleeved outside the second valve core. The first valve core is a moving iron core, and the second valve core is a fixed iron core; When the coil is de-energized, the first valve core closes the passage between two adjacent valve chambers; When the coil is energized, the first valve core opens the channel between two adjacent valve chambers.

3. The segmented combustion portable gas water heater according to claim 1, characterized in that: The gas nozzle unit includes at least one gas burner, one end of which is provided with a plurality of flame holes, and the other end of which is provided with an ejector port. The valve chamber is provided with at least one second gas outlet, and the second gas outlet is connected to the ejector port in a one-to-one correspondence.

4. The segmented combustion portable gas water heater according to claim 1, characterized in that: The valve body is provided with a second air inlet, and the first air outlet is connected to the valve chamber located at the first position in the segmented valve through the second air inlet.

5. The segmented combustion portable gas water heater according to claim 1, characterized in that: The gas pipe has a first air inlet, and a connector is provided at the first air inlet position of the gas pipe. The gas pipe is connected to an external gas storage structure through the connector.

6. The segmented combustion portable gas water heater according to claim 1, characterized in that: The burner includes a second housing and a smoke collection and exhaust hood. The second housing is connected to the smoke collection and exhaust hood. The smoke collection and exhaust hood is located at the outlet end of the burner and has an exhaust port located on the side of the burner. The first housing has a first ventilation opening on its side, and the first ventilation opening is connected to the exhaust port.

7. The segmented combustion portable gas water heater according to claim 6, characterized in that: The segmented combustion portable gas water heater includes a blower, which has an air inlet and an air outlet, and the air outlet is connected to the air inlet of the burner; The bottom of the first housing is provided with a second ventilation opening, which is connected to the air inlet.

8. The segmented combustion portable gas water heater according to any one of claims 1-7, characterized in that: The water pipeline structure also includes a first proportional valve and a temperature sensor, which are located near the water inlet end of the water pipe.

9. The segmented combustion portable gas water heater according to any one of claims 1-7, characterized in that: The gas pipeline structure also includes a second proportional valve, which is located near the gas inlet end of the gas pipeline.

10. The segmented combustion portable gas water heater according to any one of claims 1-7, characterized in that: The top of the first housing is provided with a handle.

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