Flue type gas water heater with ever-burning fire

Abstract

The utility model relates to a flue type gas water heater with ever-burning fire, which comprises a gas water heater main body provided with a water tank, a burner, a water-gas linkage valve, a piezoelectric switch and an ever-burning fire component, the burner comprises an ignition row, and an ever-burning fire gas channel acting on the ignition row of the burner is arranged between the ever-burning fire component and the water-gas linkage valve. A gas main channel entering the burner is arranged between the water-gas linkage valve and the burner, and a liquid inlet channel is arranged between the water-gas linkage valve and the water tank. An ever-burning fire gas channel is opened through a water-gas linkage valve, and an ever-burning fire assembly generates open fire acting on an ignition row through a piezoelectric switch; the water-gas linkage valve comprises a gas valve element acting on the gas main channel, liquid enters the water tank through the liquid inlet channel and pushes the gas valve element to open the gas main channel so that gas can enter the combustor and the gas water heater without being connected with a power source, convenience and rapidness are achieved, and the requirements of remote areas or some specific areas are met.

Description

Technical Field

[0001] The utility model relates to a gas water heater, in particular to a flue type gas water heater with a permanent open flame. Background Art

[0002] Chinese patent No. ZL202321301962.1 discloses a gas water heater, which includes a burner and a heat exchanger for performing heat exchange with the burner, the heat exchanger is connected to a water inlet pipe and a water outlet pipe, the water outlet pipe is provided with a first electric heating device, the first electric heating device is used to heat water flowing through the water outlet pipe, the first electric heating device is configured with a first electric energy storage device; when the first electric heating device is working, the first electric heating device is powered by the first electric energy storage device; when the first electric heating device is not working, the first electric energy storage device can be connected to the mains so as to store electric energy in the first electric energy storage device.

[0003] The gas water heater requires a battery to heat the hot water. Utility Model Content

[0004] The utility model aims to provide a flue gas water heater with a permanent flame, which does not require alternating current or batteries when working, is convenient and fast, and meets the needs of remote areas or certain specific areas.

[0005] The purpose of the utility model is achieved in this way:

[0006] A flue-type gas water heater with a pilot flame, comprising a gas water heater body provided with a water tank, a burner, a water-gas linkage valve, a piezoelectric switch, and a pilot flame assembly, the burner comprising an ignition row, a pilot flame gas passage acting on the burner ignition row is provided between the pilot flame assembly and the water-gas linkage valve, a main gas passage entering the burner is provided between the water-gas linkage valve and the burner, and a liquid inlet passage is provided between the water-gas linkage valve and the water tank; the pilot flame gas passage is opened by the water-gas linkage valve, and the pilot flame assembly generates an open flame acting on the ignition row by the piezoelectric switch; the water-gas linkage valve is used to open the pilot flame gas passage, and the piezoelectric switch is used to enable the pilot flame assembly to generate an open flame acting on the ignition row ... The valve includes a gas valve core acting on a main gas channel. Liquid enters the water tank through a liquid inlet channel and pushes the gas valve core to open the main gas channel to allow the gas to enter the burner. The piezoelectric switch acts on a pilot flame assembly to cause the pilot flame assembly to generate an open flame acting on an ignition row of the burner. In addition, the gas enters the burner through the main gas channel to heat the liquid in the water tank with the high-temperature flue gas generated by the burner. The gas water heater does not require a battery or a power source, which is convenient and fast and can meet the needs of remote areas or certain specific areas.

[0007] The pilot flame assembly includes a combustion head acting on the ignition row; the water-gas linkage valve includes a pilot flame interface and a gas regulating rod acting on the pilot flame gas channel; the pilot flame interface and the combustion head are connected by a pipeline, and the pipeline between the pilot flame interface and the combustion head forms a pilot flame gas channel; one end of the gas regulating rod acts on a movable valve core that is telescopically arranged on the pilot flame gas channel, and the movable valve core is pushed to move by pressing the gas regulating rod to open the pilot flame gas channel.

[0008] The water-gas linkage valve includes a seat body, a gas regulating rod is slidably arranged on the seat body, a movable valve core is elastically and telescopically arranged on the seat body, a compression spring is sleeved on the outer side of the movable valve core, one end of the gas regulating rod acts on the movable valve core, and by pressing the gas regulating rod, the movable valve core is elastically and telescopically moved and the long-fire gas channel is opened.

[0009] A limit block is provided on the movable valve core, one end of the compression spring elastically acts on the limit block, and the other end of the compression spring elastically acts on the inner cavity of the seat body, a slide groove is provided on the seat body, and a pressure plate inclinedly arranged on the top of the limit block is provided on the inner cavity of the seat body, one end of the gas regulating rod is inserted into the slide groove, and a sliding assembly is provided at the end of the gas regulating rod inserted into the slide groove, and the end of the gas regulating rod inserted into the slide groove passes through the sliding assembly and is provided with a pressure block contacting the pressure plate, and the gas regulating rod drives the pressure block to press down and contact the pressure plate under the action of pressing, and the pressure plate contacts the limit block of the movable valve core during the pressing process, and one end of the movable valve core moves relative to the long-fire gas channel and opens the long-fire gas channel.

[0010] The gas regulating rod drives the pressure block to slide back and forth on the slide groove under the action of external force, and the inclination of the pressure plate changes with the sliding position of the pressure block. The telescopic length of the movable valve core changes with the inclination of the pressure plate, thereby realizing sliding adjustment of the amount of gas entering the long-fire gas channel.

[0011] The pilot flame assembly also includes a thermocouple and an ignition needle. The piezoelectric switch and the ignition needle are electrically connected through a wire. The thermocouple includes a heated end and an adsorption end which are electrically connected to each other through a wire. The heated end and the ignition needle of the thermocouple are respectively close to the ignition row. The adsorption end of the thermocouple is connected to the main solenoid valve in the water-gas linkage valve. After the pilot flame gas channel is opened, the gas reaches the combustion head. The piezoelectric switch is pressed to discharge the ignition needle and ignite the pilot flame. The pilot flame heats the thermocouple, and the thermocouple opens the main solenoid valve of the water-gas linkage valve.

[0012] The water-gas linkage valve also includes a gas interface connected to a gas source.

[0013] The water-gas linkage valve also includes a water inlet for connecting to a water source, and a water flow regulating rod for regulating the size of the water inlet flow, and the water flow regulating rod is rotatably arranged on the water-gas linkage valve.

[0014] The water-gas linkage valve also includes a burner connection port, the burner connection port is connected to the burner, and a pipeline between the burner connection port and the burner forms a main gas channel.

[0015] A smoke collecting hood is provided in the main body of the gas water heater, and the water outlet end of the water tank is connected to the hot water outlet of the main body of the gas water heater through a pipe; the water tank is provided with cooling fins, and the high-temperature flue gas generated by the burner passes through the cooling fins and exchanges heat with the liquid in the water tank to heat the liquid in the water tank, and the high-temperature flue gas passes through the smoke collecting hood above the water tank and is discharged outside the main body of the gas water heater; a temperature sensor for detecting the temperature of the water tank is also provided in the main body of the gas water heater to detect the water temperature of the water tank, and the temperature probe of the temperature sensor can be abutted against the outside of the water tank, or the temperature probe of the temperature sensor can be extended into the water tank.

[0016] The working process of the gas water heater is as follows: the gas is connected to the gas interface of the water-gas linkage valve, the water inlet is connected to the water inlet of the water-gas linkage valve, and the outlet of the water tank is connected to the hot water outlet. Press the gas adjustment lever of the gas linkage valve to open the pilot flame gas channel, and the gas reaches the combustion head of the pilot flame assembly. The user manually presses the piezoelectric switch, and the ignition needle of the pilot flame assembly discharges, ignites the pilot flame, and the pilot flame heats the thermocouple. The thermocouple opens the main solenoid valve of the water-gas linkage valve, releases the gas adjustment lever, and then adjusts the gas adjustment lever to the right to the appropriate fire position. When hot water heating is required, cold water enters the water-gas linkage valve through the water inlet, pushing the gas valve core to open the main gas channel. Cold water enters the water tank through the water inlet pipe, and the heated cold water becomes hot water and is discharged through the hot water outlet; after the main gas channel is opened, the gas enters the burner and is ignited by the pilot flame at the same time. The high-temperature gas generated by the gas passes through the fins of the water tank and exchanges heat with the water passing through the water tank, heating the cold water in the water tank, and the exhaust gas is discharged through the smoke hood. The temperature of hot water can be adjusted by the gas adjustment lever and the water flow adjustment lever.

[0017] The beneficial effects of the utility model are as follows:

[0018] The piezoelectric switch acts on the pilot flame assembly, causing the pilot flame assembly to generate an open flame acting on the burner ignition row. In addition, the gas enters the burner through the main gas channel to heat the liquid in the water tank with the high-temperature flue gas generated by the burner. The gas water heater does not require batteries or power supply, which is convenient and fast, and can meet the needs of remote areas or certain specific areas. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of a gas water heater according to an embodiment of the utility model.

[0020] Figure 2 This is a schematic diagram of the structure of a gas water heater in another orientation according to an embodiment of the utility model.

[0021] Figure 3 It is a schematic structural diagram of a pilot flame assembly according to an embodiment of the utility model.

[0022] Figure 4 It is a structural schematic diagram of a water-gas linkage valve according to an embodiment of the utility model.

[0023] Figure 5 This is a schematic diagram of the structure of another orientation of the water-gas linkage valve in one embodiment of the utility model.

[0024] Figure 6 It is a structural schematic diagram of a movable valve core in one embodiment of the utility model. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0026] See also Figure 1-Figure 6 A flue-type gas water heater with a permanent open flame comprises a gas water heater body 6 provided with a water tank 2, a burner 3, a water-gas linkage valve 4, a piezoelectric switch 5, and a permanent open flame component 7. The burner 3 comprises an ignition row, a permanent open flame gas channel acting on the ignition row of the burner 3 is provided between the permanent open flame component 7 and the water-gas linkage valve 4, a main gas channel entering the burner 3 is provided between the water-gas linkage valve 4 and the burner 3, and a liquid inlet channel is provided between the water-gas linkage valve 4 and the water tank 2; the permanent open flame gas channel is opened by the water-gas linkage valve 4, and the permanent open flame component 7 generates an open flame acting on the ignition row by the piezoelectric switch 5; the water-gas linkage valve 4 comprises a gas valve core acting on the main gas channel, liquid enters the water tank 2 through the liquid inlet channel and pushes the gas valve core to open the main gas channel so that the gas enters the burner 3.

[0027] In this embodiment, the piezoelectric switch 5 is a structure of the prior art, and its specific structure will not be described in detail here.

[0028] In this embodiment, the gas valve core acts on the gas main channel through elastic activities of elastic members such as springs, etc. This is also common knowledge for those skilled in the art and will not be described in detail here.

[0029] The pilot flame assembly 7 includes a burner head 7.2 acting on the ignition row; the water-gas linkage valve 4 includes a pilot flame interface 4.5 and a gas regulating rod 4.4 acting on the pilot flame gas channel; the pilot flame interface 4.5 and the burner head 7.2 are connected by a pipeline, and the pipeline between the pilot flame interface 4.5 and the burner head 7.2 forms a pilot flame gas channel; one end of the gas regulating rod 4.4 acts on a movable valve core 4.41 telescopically arranged on the pilot flame gas channel, and the movable valve core 4.41 is pushed to move by pressing the gas regulating rod 4.4 to open the pilot flame gas channel.

[0030] The water-gas linkage valve 4 comprises a seat body 4.6, a gas regulating rod 4.4 is slidably arranged on the seat body 4.6, a movable valve core 4.41 which is elastically and telescopically arranged on the seat body 4.6 is arranged on the seat body 4.6, a compression spring 4.42 is sleeved on the outer side of the movable valve core 4.41, one end of the gas regulating rod 4.4 acts on the movable valve core 4.41, and by pressing the gas regulating rod 4.4, the movable valve core 4.41 is elastically and telescopically moved to open the long-fire gas passage.

[0031] A limit block 4.43 is provided on the movable valve core 4.41, one end of a compression spring 4.42 elastically acts on the limit block 4.43, and the other end of the compression spring 4.42 elastically acts on the inner cavity of a seat body 4.6, a slide groove 4.7 is provided on the seat body 4.6, and a pressure plate 4.44 is obliquely arranged on the top of the limit block 4.43 on the inner cavity of the seat body 4.6, one end of the gas regulating rod 4.4 is inserted into the slide groove 4.7, and one end of the gas regulating rod 4.4 inserted into the slide groove 4.7 is provided with a sliding assembly, and one end of the gas regulating rod 4.4 inserted into the slide groove 4.7 passes through the sliding assembly and is provided with a pressure block in contact with the pressure plate 4.44, and the gas regulating rod 4.4 drives the pressure block to press down and contact the pressure plate 4.44 under the action of pressing, and the pressure plate 4.44 contacts the limit block 4.43 of the movable valve core 4.41 during the pressing process, and one end of the movable valve core 4.41 moves relative to the ever-open flame gas channel and opens the ever-open flame gas channel.

[0032] In this embodiment, a pressing block is provided at the bottom of the chute 4.7, and the gas regulating rod 4.4 is connected to the pressing block, and the width of the pressing block is greater than the groove width of the chute 4.7.

[0033] The gas regulating rod 4.4 drives the pressing block to slide back and forth on the slide groove 4.7 under the action of external force, and the inclination of the pressing plate 4.44 changes with the sliding position of the pressing block, and the telescopic length of the movable valve core 4.41 changes with the inclination of the pressing plate 4.44, thereby realizing the sliding adjustment of the gas amount entering the long-fire gas channel.

[0034] The ever-open flame assembly 7 also includes a thermocouple 7.1 and an ignition needle 7.3. The piezoelectric switch 5 and the ignition needle 7.3 are electrically connected through a wire; the thermocouple 7.1 includes a heated end and an adsorption end electrically connected to each other through a wire, the heated end of the thermocouple and the ignition needle 7.3 are respectively close to the ignition row, and the adsorption end of the thermocouple 7.1 is connected to the main solenoid valve in the water-gas linkage valve 4. After the ever-open flame gas channel is opened, the gas reaches the combustion head 7.2, and the piezoelectric switch 5 is pressed to discharge the ignition needle 7.3, igniting the ever-open flame. The ever-open flame heats the thermocouple 7.1, and the thermocouple 7.1 opens the main solenoid valve of the water-gas linkage valve 4.

[0035] The water-gas linkage valve 4 also includes a gas interface 4.1 connected to a gas source.

[0036] The water-gas linkage valve 4 also includes a water inlet 4.2 for connecting to a water source, and a water flow regulating rod 4.3 for regulating the water inlet flow. The water flow regulating rod 4.3 is rotatably arranged on the water-gas linkage valve 4.

[0037] It is common knowledge for those skilled in the art to adjust the water inlet flow rate by means of the knob-type water flow adjustment rod 4.3, and will not be described in detail here.

[0038] The water-gas linkage valve 4 further comprises a burner connection port 4.8, the burner connection port 4.8 is connected to the burner 3, and a pipeline between the burner connection port 4.8 and the burner 3 forms a main gas channel.

[0039] A smoke collecting hood 1 is provided in the gas water heater main body 6, and the water outlet end of the water tank 2 is connected to the hot water outlet 9 of the gas water heater main body 6 through a pipe; the water tank 2 is provided with cooling fins, and the high-temperature flue gas generated by the burner 3 passes through the cooling fins and exchanges heat with the liquid in the water tank 2 to heat the liquid in the water tank 2, and the high-temperature flue gas passes through the smoke collecting hood 1 above the water tank 2 and is discharged outside the gas water heater main body 6; a temperature sensor 8 for detecting the temperature of the water tank 2 is also provided in the gas water heater main body 6.

[0040] In this embodiment, the temperature sensor 8 can be fixed in the gas water heater body 6 by a bracket.

[0041] In this embodiment, a plurality of cooling fins are provided on the outside of the water tank 2, and two adjacent cooling fins form a smoke inlet pipe, which connects the burner 3 with the smoke collecting hood 1. The high-temperature flue gas generated by the combustion of the burner 3 exchanges heat with the water tank 2 through the smoke inlet pipe, and finally the high-temperature flue gas is discharged from the gas water heater through the smoke collecting hood 1.

[0042] Alternatively, a spiral pipe is wound around the outside of the water tank 2 , one end of the spiral pipe is connected to the burner 3 , and the other end of the spiral pipe is connected to the smoke collecting hood 1 .

[0043] In this embodiment, a control area installation position is provided on the gas water heater main body 6, and the control area installation position is used to install the water-gas linkage valve 4. Part of the water-gas linkage valve 4 is inserted into the gas water heater main body 6 through the control area installation position, and the other part of the water-gas linkage valve 4 is fixed to the outside of the gas water heater main body 6 by screws.

[0044] In this embodiment, the pilot flame assembly 7 further comprises a fixing frame for fixing the thermocouple 7.1, the combustion head 7.2 and the ignition needle 7.3. The fixing frame is fixed inside the gas water heater body 6 by screws.

[0045] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A flue-type gas water heater with a pilot flame, comprising a gas water heater body (6) provided with a water tank (2), a burner (3), a water-gas linkage valve (4), a piezoelectric switch (5), and a pilot flame assembly (7), wherein the burner (3) includes an ignition row, and is characterized in that: A pilot flame gas passage acting on the ignition row of the burner (3) is provided between the pilot flame assembly (7) and the water-gas linkage valve (4); a main gas passage entering the burner (3) is provided between the water-gas linkage valve (4) and the burner (3); and a liquid inlet passage is provided between the water-gas linkage valve (4) and the water tank (2); the pilot flame gas passage is opened by the water-gas linkage valve (4), and the pilot flame assembly (7) generates an open flame acting on the ignition row by the piezoelectric switch (5); the water-gas linkage valve (4) comprises a gas valve core acting on the main gas passage; liquid enters the water tank (2) through the liquid inlet passage and pushes the gas valve core to open the main gas passage, so that gas enters the burner (3).

2. The flue-type gas water heater with a permanent flame according to claim 1, characterized in that: The ever-lit flame assembly (7) comprises a combustion head (7.2) acting on an ignition row; the water-gas linkage valve (4) comprises an ever-lit flame interface (4.5) and a gas regulating rod (4.4) acting on a ever-lit flame gas passage; the ever-lit flame interface (4.5) and the combustion head (7.2) are connected via a pipeline, and the pipeline between the ever-lit flame interface (4.5) and the combustion head (7.2) forms a ever-lit flame gas passage; one end of the gas regulating rod (4.4) acts on a movable valve core (4.41) telescopically arranged on the ever-lit flame gas passage, and the movable valve core (4.41) is pushed to move by pressing the gas regulating rod (4.4) to open the ever-lit flame gas passage.

3. The flue-type gas water heater with a permanent flame according to claim 2, characterized in that: The water-gas linkage valve (4) comprises a seat body (4.6), a gas regulating rod (4.4) being slidably arranged on the seat body (4.6), a movable valve core (4.41) being elastically and telescopically arranged on the seat body (4.6) being arranged on the seat body (4.6), a compression spring (4.42) being sleeved on the outer side of the movable valve core (4.41), one end of the gas regulating rod (4.4) acting on the movable valve core (4.41), and by pressing the gas regulating rod (4.4), the movable valve core (4.41) is elastically and telescopically movable and opens a permanent flame gas passage.

4. The flue-type gas water heater with a permanent flame according to claim 3, characterized in that: A limit block (4.43) is provided on the movable valve core (4.41), one end of the compression spring (4.42) elastically acts on the limit block (4.43), the other end of the compression spring (4.42) elastically acts on the inner cavity of the seat body (4.6), a slide groove (4.7) is provided on the seat body (4.6), a pressure plate (4.44) is provided on the inner cavity of the seat body (4.6) and is obliquely arranged on the top of the limit block (4.43), one end of the gas regulating rod (4.4) is inserted into the slide groove (4.7), and the gas regulating rod (4.4) One end inserted into the slide groove (4.7) is provided with a sliding assembly, and one end of the gas regulating rod (4.4) inserted into the slide groove (4.7) passes through the sliding assembly and is provided with a pressing block in contact with the pressing plate (4.44). The gas regulating rod (4.4) drives the pressing block to press down and contact the pressing plate (4.44) under the action of pressing. The pressing plate (4.44) contacts the limit block (4.43) of the movable valve core (4.41) during the pressing process. One end of the movable valve core (4.41) moves relative to the ever-open flame gas passage and opens the ever-open flame gas passage.

5. The flue-type gas water heater with a permanent flame according to claim 4, characterized in that: The gas regulating rod (4.4) drives the pressing block to slide back and forth on the slide groove (4.7) under the action of an external force, and the inclination of the pressing plate (4.44) changes with the sliding position of the pressing block, and the telescopic length of the movable valve core (4.41) changes with the inclination of the pressing plate (4.44), thereby realizing sliding adjustment of the amount of gas entering the long-fire gas channel.

6. The flue-type gas water heater with a permanent flame according to claim 2, characterized in that: The pilot flame assembly (7) further comprises a thermocouple (7.1) and an ignition needle (7.3); the piezoelectric switch (5) and the ignition needle (7.3) are electrically connected via a wire; the thermocouple (7.1) comprises a heated end and an adsorption end electrically connected to each other via the wire; the heated end of the thermocouple and the ignition needle (7.3) are respectively close to the ignition row; the adsorption end of the thermocouple (7.1) is connected to a main electromagnetic valve in a water-gas linkage valve (4); after the pilot flame gas passage is opened, the gas reaches the combustion head (7.2), the piezoelectric switch (5) is pressed to discharge the ignition needle (7.3), igniting the pilot flame; the pilot flame heats the thermocouple (7.1), and the thermocouple (7.1) opens the main electromagnetic valve of the water-gas linkage valve (4).

7. The flue-type gas water heater with a permanent flame according to claim 1, characterized in that: The water-gas linkage valve (4) also includes a gas interface (4.1) connected to a gas source.

8. The flue-type gas water heater with a permanent flame according to claim 1, characterized in that: The water-gas linkage valve (4) further comprises a water inlet (4.2) for connecting to a water source, and the water-gas linkage valve (4) further comprises a water flow regulating rod (4.3) for regulating the size of the water inlet flow, wherein the water flow regulating rod (4.3) is rotatably arranged on the water-gas linkage valve (4).

9. The flue-type gas water heater with a permanent flame according to claim 1, characterized in that: The water-gas linkage valve (4) further comprises a burner connection port (4.8), the burner connection port (4.8) being connected to the burner (3), and a pipeline between the burner connection port (4.8) and the burner (3) forming a main gas channel.

10. The flue-type gas water heater with a permanent flame according to claim 1, characterized in that: A smoke collecting hood (1) is provided in a gas water heater body (6); a water outlet end of a water tank (2) is connected to a hot water outlet (9) of the gas water heater body (6) via a pipe; a heat dissipation fin is provided on the water tank (2); high-temperature smoke generated by a burner (3) passes through the heat dissipation fin and performs heat exchange with liquid in the water tank (2) to heat the liquid in the water tank (2); the high-temperature smoke passes through the smoke collecting hood (1) above the water tank (2) and is discharged outside the gas water heater body (6); a temperature sensor (8) for detecting the temperature of the water tank (2) is also provided in the gas water heater body (6).

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