Automatic ignition device of gas water heater

Abstract

The utility model provides an automatic ignition device of a gas water heater, belongs to the technical field of gas water heaters, mainly aims to solve the problem that a traditional ignition device cannot monitor the combustion condition, and adopts the technical scheme that the automatic ignition device comprises a combustion chamber mounted in a water heater body, and is characterized in that a monitoring component is arranged on the combustion chamber; the monitoring assembly comprises a flame detection sensor, a combustion cavity is formed in the top of the combustion chamber, a first mounting hole is formed in the inner wall of the combustion cavity, the flame detection sensor is arranged in the first mounting hole, an ignition assembly is further arranged in the combustion cavity, and a control module is arranged on one side of the water heater body. The flame detection sensor and the ignition assembly are both electrically connected with the control module. Through the arrangement of the monitoring assembly, the flame condition in the combustion chamber can be monitored in real time through the flame detection sensor, the ignition reliability is improved, potential safety hazards possibly caused by unsuccessful ignition or abnormal combustion are avoided, and the safety of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gas hot water furnace technical field, more specifically, especially relate to a gas hot water furnace automatic ignition device. BACKGROUND

[0002] In modern family and industrial field, gas hot water furnace is the important equipment of providing hot water and heating, it provides the convenient hot water supply and comfortable heating service for people, and needs to carry out ignition operation first when using gas hot water furnace.

[0003] Such as patent number for 201921073497.4 Chinese utility model patent, provide a kind of control system pulse ignition device of gas heating hot water furnace, the device is set by conducting wire, conducting head, ignition needle and ground needle, in use, by conducting wire power supply, by conducting head for ignition needle conducting, ignition needle generates current, and inducts with ground needle, to generate spark to ignite;However, traditional gas hot water furnace needs to rely on the sound of flame burning to judge whether flame is successfully ignited after ignition, and cannot monitor abnormal situation in combustion process, leading to lack of security. UTILITY MODEL CONTENT

[0004] To solve the above technical problem, the utility model provides a kind of gas hot water furnace automatic ignition device to solve the technical problem that traditional gas hot water furnace needs to rely on the sound of flame burning to judge whether flame is successfully ignited after ignition in prior art, and cannot monitor abnormal situation in combustion process, leading to lack of security.

[0005] The purpose and function of the utility model a kind of gas hot water furnace automatic ignition device are achieved by the following specific technical means:

[0006] A kind of gas hot water furnace automatic ignition device, including the combustion chamber of installation in hot water furnace body, monitoring assembly is arranged on the combustion chamber, the monitoring assembly includes flame detection sensor, the combustion chamber top is provided with combustion cavity, first mounting hole is opened on the inner wall of combustion cavity, the flame detection sensor is arranged in the first mounting hole, ignition assembly is further arranged in the combustion cavity, control module is arranged on the side of hot water furnace body, the flame detection sensor and the ignition assembly are electrically connected with the control module.

[0007] According to a preferred embodiment, the bottom of the hot water furnace body is provided with a gas inlet pipe, and the top of the gas inlet pipe is provided with a solenoid valve, and the top of the solenoid valve is connected with the combustion chamber through a pipeline.

[0008] According to a preferred embodiment, the monitoring assembly further comprises an infrared temperature sensor, a hot water tank is arranged above the combustion chamber, the infrared temperature sensor for monitoring water temperature is arranged on the top of the hot water tank, and the electromagnetic valve and the infrared temperature sensor are electrically connected with the control module.

[0009] According to a preferred embodiment, the ignition assembly comprises an insulating sleeve, the mounting plate is arranged on one side of the combustion chamber, the insulating sleeve is arranged on one side of the mounting plate, and the connecting wire is arranged in the insulating sleeve.

[0010] According to a preferred embodiment, the ignition assembly further comprises a grounding pin and a ceramic rod, the grounding pin and the ceramic rod are arranged on the other side of the mounting plate, two groups of second mounting holes are arranged on one side of the combustion chamber, and the grounding pin and the ceramic rod are arranged in the two groups of second mounting holes, respectively.

[0011] According to a preferred embodiment, the ceramic rod is provided with an ignition pin at one end corresponding to the grounding pin, and two groups of fixing seats are arranged on the periphery of the mounting plate, and the two groups of fixing seats are fixedly connected with the combustion chamber through screws.

[0012] According to a preferred embodiment, the combustion chamber is provided with a burner, a heat exchanger is arranged between the combustion chamber and the hot water tank, the heat exchanger is provided with a zigzag heat exchange pipe, one end of the heat exchange pipe is connected with the hot water tank, and the other end of the heat exchange pipe is connected with a water inlet pipe.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. Through the arrangement of the monitoring assembly, the flame detection sensor is used to monitor the flame in the combustion chamber in real time when the device is used, the reliability of ignition is improved, the sensor is electrically connected with the control module, the control module can obtain information in time once the flame is not successfully ignited or abnormality occurs in the combustion process; at the same time, the integrated control from ignition triggering to combustion state monitoring is realized in cooperation with the ignition assembly, the safety hidden danger possibly caused by unsuccessful ignition or abnormal combustion is avoided, and the safety of the device is improved.

[0015] 2. Through the infrared temperature sensor for monitoring water temperature, when it is detected that the water temperature is too high or too low, the control module can adjust the gas supply in time, so that the hot water temperature can be kept in the comfortable range set by the user all the time, not only can the user be provided with constant-temperature hot water supply, but also the water temperature can be effectively avoided from being too high or too low, and the comfort of the user is improved.

[0016] 3. Through the setting of the ignition assembly, when ignition is carried out, power supply is carried out to the ignition needle through the connecting line, so that the ignition needle and the grounding needle are inducted to generate sparks to carry out ignition, through the adoption of the high-temperature-resistant ceramic rod and the insulating sleeve with insulation effect, the stability of the ignition process is ensured, and the stability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic view of the automatic ignition device of the gas water heater of the utility model;

[0018] Figure 2 It is an explosion view of the automatic ignition device of the gas water heater of the utility model;

[0019] Figure 3 It is a structure schematic view of the automatic ignition device of the gas water heater of the utility model after the combustion chamber and the ignition assembly are assembled;

[0020] Figure 4 It is Figure 3 A split structure schematic view;

[0021] Figure 5 It is a principle block diagram of the control module in the automatic ignition device of the gas water heater of the utility model.

[0022] In the drawing, the corresponding relationship between the component name and the drawing number is:

[0023] 11, water heater body; 12, combustion chamber; 13, combustion cavity; 14, control module; 15, gas inlet pipe; 16, electromagnetic valve; 17, hot water tank; 18, burner; 19, heat exchanger; 21, flame detection sensor; 22, first mounting hole; 23, infrared temperature sensor; 31, insulating sleeve; 32, mounting plate; 33, connecting line; 34, grounding needle; 35, ceramic rod; 36, second mounting hole; 37, ignition needle; 38, fixed seat; 41, heat exchange pipe; 42, water inlet pipe. DETAILED DESCRIPTION

[0024] The embodiment of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0025] Example:

[0026] As shown in the accompanying Figure 1 to the accompanying Figure 5 It is shown that:

[0027] The utility model provides a kind of gas hot water furnace automatic ignition device, including the combustion chamber 12 being installed in hot water furnace body 11, combustion chamber 12 is equipped with monitoring component, monitoring component includes flame detection sensor 21, combustion chamber 12 top is provided with combustion cavity 13, first mounting hole 22 is opened on the inner wall of combustion cavity 13, flame detection sensor 21 is just installed in this first mounting hole 22, can carry out real-time monitoring to the flame condition in combustion chamber 12;Flame detection sensor 21 can select HS-S07A mode of Hello STEM brand, improve the reliability of ignition, avoid the uncertainty of relying on user subjective judgment;Meanwhile, the device is also provided with control module 14 on the side of hot water furnace body 11, control module 14 can select OHR-PR10 mode of Hong Run brand, flame detection sensor 21 and ignition component are electrically connected with control module 14;When flame fails to ignite successfully or abnormal situation appears in combustion process, control module 14 can obtain relevant information in time, and take corresponding safety measures, such as closing electromagnetic valve 16 and cutting off gas supply, effectively prevent potential safety hazard.

[0028] Please refer to as Figure 2 Indicated, the bottom of hot water furnace body 11 is provided with gas inlet pipe 15, for introducing gas into combustion chamber 12, at the top of gas inlet pipe 15, electromagnetic valve 16 is installed, this electromagnetic valve 16 not only can control the flow direction of gas, can also cut off or restore gas supply according to the instruction of control module 14;The top of electromagnetic valve 16 is connected with combustion chamber 12 by pipeline, ensure that gas can enter combustion chamber 12 smoothly, provide necessary fuel for ignition and combustion.

[0029] Please refer to as Figure 1 And Figure 2 Indicated, monitoring component also includes infrared temperature sensor 23, the top of hot water tank 17 is provided with hot water tank 17, infrared temperature sensor 23 is installed on the top of hot water tank 17, for real-time monitoring the temperature change of hot water;Infrared temperature sensor 23 can select SA10AS mode of Shao brand, this infrared temperature sensor 23 is electrically connected with control module 14, can transmit the water temperature data detected to control module 14, when infrared temperature sensor 23 detects that hot water temperature exceeds the comfortable range set by user, whether too high or too low, control module 14 can immediately respond, it will adjust the gas supply amount by controlling the opening and closing of electromagnetic valve 16, to ensure that hot water temperature always remains in ideal state, not only can provide constant-temperature hot water supply for user, also can effectively avoid the security risk caused by too high or too low water temperature, improve the use experience and sense of security of user.

[0030] Please refer to as Figure 3 And Figure 4As shown, the ignition assembly includes an insulating sleeve 31, the combustion chamber 12 is provided with a mounting plate 32, the mounting plate 32 is provided with an insulating sleeve 31, the insulating sleeve 31 is firmly fixed on the combustion chamber 12, and a reliable basis is provided for subsequent ignition operation; the inside of the insulating sleeve 31 is provided with a connecting line 33 for providing necessary power supply for the ignition assembly.

[0031] As shown in Figure 3 With Figure 4 As shown, the ignition assembly further includes a grounding needle 34 and a ceramic rod 35, the other side of the mounting plate 32 is provided with the grounding needle 34, and the ceramic rod 35 cooperates with the grounding needle 34, the two components are respectively threaded in the two groups of second mounting holes 36 opened on one side of the combustion chamber 12, wherein the ceramic rod 35 is provided with an ignition needle 37 at one end corresponding to the grounding needle 34, the ignition needle 37 is powered by the connecting line 33, so that it can generate inductive discharge with the grounding needle 34, thereby generating the spark required for ignition; this ignition method based on inductive discharge not only can ensure the reliability of ignition, but also can greatly improve the safety of ignition, avoiding the hidden danger of direct contact of open flame with fuel, in order to ensure the stability of the ignition assembly, the peripheral side of the mounting plate 32 is also provided with two groups of fixing seats 38, which are fixed on the combustion chamber 12 by screws, enhancing the durability of the entire ignition assembly, and ensuring that it maintains good positioning and alignment state during long-term use, further improving the stability of ignition.

[0032] As shown in Figure 2 As shown, the combustion chamber 13 is provided with a burner 18 at the bottom for dispersing and burning fuel gas, and a heat exchanger 19 is arranged between the combustion chamber 12 and the hot water tank 17, the heat exchanger 19 is provided with a zigzag heat exchange pipe 41, the heat exchanger 19 is heated by combustion, and the heat exchanger 19 heats the water in the heat exchange pipe 41 by its heat, one end of the heat exchange pipe 41 is connected with the hot water tank 17, and the other end is connected with a water inlet pipe 42.

[0033] The embodiments of the present application are given for the purpose of example and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described in order to better illustrate the principles and practical application of the present application, and to enable those skilled in the art to understand the present application so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A gas water heater automatic ignition device, comprising a combustion chamber (12) installed in a water heater body (11), characterized in that: The monitoring assembly is arranged on the combustion chamber (12), and comprises a flame detection sensor (21); a combustion cavity (13) is arranged on the top of the combustion chamber (12); a first mounting hole (22) is arranged on the inner wall of the combustion cavity (13); the flame detection sensor (21) is arranged in the first mounting hole (22); an ignition assembly is further arranged in the combustion cavity (13); a control module (14) is arranged on one side of the hot water stove body (11); the flame detection sensor (21) and the ignition assembly are electrically connected with the control module (14).

2. An automatic igniter for a gas water heater as defined in claim 1, wherein: The hot water stove body (11) is provided with a gas inlet pipe (15) at the bottom; the gas inlet pipe (15) is provided with an electromagnetic valve (16) at the top; the electromagnetic valve (16) is connected with the combustion chamber (12) through a pipeline.

3. An automatic igniter for a gas water heater as defined in claim 2 wherein: The monitoring assembly further comprises an infrared temperature sensor (23); a hot water tank (17) is arranged above the combustion chamber (12); the infrared temperature sensor (23) for monitoring water temperature is arranged on the top of the hot water tank (17); the electromagnetic valve (16) and the infrared temperature sensor (23) are electrically connected with the control module (14).

4. An automatic igniter for gas water heater as claimed in claim 1 wherein: The ignition assembly comprises an insulating sleeve (31); an installation plate (32) is arranged on one side of the combustion chamber (12); the installation plate (32) is provided with the insulating sleeve (31) on one side; a connecting wire (33) is arranged in the insulating sleeve (31).

5. The automatic ignition device for a gas-fired hot water boiler as described in claim 4, characterized in that: The ignition assembly further comprises a grounding pin (34); the grounding pin (34) and a ceramic rod (35) are arranged on the other side of the installation plate (32); two groups of second mounting holes (36) are arranged on one side of the combustion chamber (12); the grounding pin (34) and the ceramic rod (35) are arranged in the two groups of second mounting holes (36) respectively.

6. A gas water heater automatic ignition device as claimed in claim 5 wherein: One end of the ceramic rod (35) is provided with an ignition pin (37) corresponding to the grounding pin (34); two groups of fixing seats (38) are arranged on the periphery of the installation plate (32); the two groups of fixing seats (38) are fixedly connected with the combustion chamber (12) through screws.

7. The automatic ignition device for a gas-fired hot water boiler as described in claim 1, characterized in that: A burner (18) is arranged at the bottom of the combustion cavity (13); a heat exchanger (19) is arranged between the combustion chamber (12) and the hot water tank (17); the heat exchanger (19) is provided with a zigzag heat exchange pipe (41); one end of the heat exchange pipe (41) is connected with the hot water tank (17), and the other end is connected with a water inlet pipe (42).

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